mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Dirk Behme]

Hi,

trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board with 
rootfs on SD card I'm getting [1].

Last time I think I used v4.13 in the same environment and I think it 
worked fine, most probably because renesas_sdhi_internal_dmac wasn't 
there, yet ;)

I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything 
newer regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but 
doesn't look so.

Any idea what I missed?

Best regards

Dirk


[1]

...
Freeing unused kernel memory: 512K
usb 3-1: new high-speed USB device number 2 using ehci-platform
usb 3-1: New USB device found, idVendor=0424, idProduct=2514
usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
hub 3-1:1.0: USB hub found
hub 3-1:1.0: 4 ports detected
systemd[1]: System time before build time, advancing clock.
renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz: 
524288 bytes)
renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for 
524288 bytes
Unable to handle kernel paging request at virtual address ffffffffc0000000
Mem abort info:
   Exception class = DABT (current EL), IL = 32 bits
   SET = 0, FnV = 0
   EA = 0, S1PTW = 0
Data abort info:
   ISV = 0, ISS = 0x00000144
   CM = 1, WnR = 1
swapper pgtable: 4k pages, 48-bit VAs, pgd = ffff000008aa5000
[ffffffffc0000000] *pgd=0000000000000000
Internal error: Oops: 96000144 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.0-rc4-dirty #1
Hardware name: Bosch board based on r8a7795 (DT)
task: ffff00000890e900 task.stack: ffff000008900000
PC is at __dma_inv_area+0x40/0x58
LR is at __swiotlb_unmap_sg_attrs+0xa8/0xb8
pc : [<ffff000008094414>] lr : [<ffff0000080929f0>] pstate: 400001c5
sp : ffff000008003df0
x29: ffff000008003df0 x28: ffff0000088e6000
x27: 000000000000000a x26: ffff000008811000
x25: 0000000000000000 x24: 0000000000000002
x23: 0000000000000001 x22: ffff8006f991f280
x21: 0000000000000001 x20: ffff8006faa56010
x19: ffff8006f991f280 x18: 000000000000000a
x17: 000000000000000e x16: 0000000000000007
x15: 000000000009d4ff x14: 00003d08e7ffed39
x13: 0000000000008235 x12: 0000000000000002
x11: 7fffffffffffffff x10: 0000000000000002
x9 : ffff000008926640 x8 : 000000000000006d
x7 : ffff000008926638 x6 : 0000000000000000
x5 : ffff000008092948 x4 : 0000000000000000
x3 : 000000000000003f x2 : 0000000000000040
x1 : ffffffffc0080000 x0 : ffffffffc0000000
Process swapper/0 (pid: 0, stack limit = 0xffff000008900000)
Call trace:
Exception stack(0xffff000008003cb0 to 0xffff000008003df0)
3ca0:                                   ffffffffc0000000 ffffffffc0080000
3cc0: 0000000000000040 000000000000003f 0000000000000000 ffff000008092948
3ce0: 0000000000000000 ffff000008926638 000000000000006d ffff000008926640
3d00: 0000000000000002 7fffffffffffffff 0000000000000002 0000000000008235
3d20: 00003d08e7ffed39 000000000009d4ff 0000000000000007 000000000000000e
3d40: 000000000000000a ffff8006f991f280 ffff8006faa56010 0000000000000001
3d60: ffff8006f991f280 0000000000000001 0000000000000002 0000000000000000
3d80: ffff000008811000 000000000000000a ffff0000088e6000 ffff000008003df0
3da0: ffff0000080929f0 ffff000008003df0 ffff000008094414 00000000400001c5
3dc0: 0000000000000000 0000000000000000 0001000000000000 0000000000000000
3de0: ffff000008003df0 ffff000008094414
[<ffff000008094414>] __dma_inv_area+0x40/0x58
[<ffff0000084c8fcc>] 
renesas_sdhi_internal_dmac_complete_tasklet_fn+0x7c/0xa8
[<ffff00000809f270>] tasklet_action+0xd8/0x144
[<ffff0000080810e4>] __do_softirq+0x2d4/0x394
[<ffff00000809eb18>] irq_exit+0x60/0xac
[<ffff0000080e1ccc>] __handle_domain_irq+0xa0/0xec
[<ffff000008080c80>] gic_handle_irq+0x80/0xac
Exception stack(0xffff000008903dd0 to 0xffff000008903f10)
3dc0:                                   0000000000000000 ffff0000087a9ee0
3de0: 0000000000000001 ffff0000088e6000 ffff000008a57b70 0000000000000000
3e00: 0000000000000446 00000000000000c0 ffff00000890f3e0 ffff000008903e90
3e20: 0000000000000a80 ffff8006fff16fc0 0000000000000001 0000000000000000
3e40: 6620656361707320 000000000009d4ff 0000000000000007 000000000000000e
3e60: 000000000000000a 0000000000000000 0000000000000000 ffff0000088eee10
3e80: ffff000008908aa0 ffff8006fffffa00 ffff0000088d2028 0000000000000000
3ea0: 0000000000000000 0000000000000000 0000000049880018 ffff000008903f10
3ec0: ffff0000080849b0 ffff000008903f10 ffff0000080849b4 0000000000000045
3ee0: ffff0000088eee10 ffff000008908aa0 ffffffffffffffff ffff0000088d2028
3f00: ffff000008903f10 ffff0000080849b4
[<ffff0000080828f4>] el1_irq+0xb4/0x12c
[<ffff0000080849b4>] arch_cpu_idle+0x140/0x19c
[<ffff0000086583ec>] default_idle_call+0x2c/0x34
[<ffff0000080d297c>] do_idle+0xfc/0x19c
[<ffff0000080d2b78>] cpu_startup_entry+0x20/0x24
[<ffff0000086534a8>] rest_init+0xc8/0xd4
[<ffff000008880b70>] start_kernel+0x38c/0x3a0
Code: 8a230000 54000060 d50b7e20 14000002 (d5087620)
---[ end trace 6a04242e7e1f35dd ]---
Kernel panic - not syncing: Fatal exception in interrupt
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x002004
Memory Limit: 4096 MB
---[ end Kernel panic - not syncing: Fatal exception in interrupt

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Geert Uytterhoeven]

Hi Dirk,

On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com> wrote:
> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board with
> rootfs on SD card I'm getting [1].
>
> Last time I think I used v4.13 in the same environment and I think it worked
> fine, most probably because renesas_sdhi_internal_dmac wasn't there, yet ;)
>
> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything newer
> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't look so.
>
> Any idea what I missed?

How much swiotlb memory do you have? The default is 64 MiB:

    software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
[ffffffc037fff000-ffffffc03bffefff]

Then, who else is consuming lots of swiotlb memory?

> Freeing unused kernel memory: 512K
> usb 3-1: new high-speed USB device number 2 using ehci-platform
> usb 3-1: New USB device found, idVendor=0424, idProduct=2514
> usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
> hub 3-1:1.0: USB hub found
> hub 3-1:1.0: 4 ports detected
> systemd[1]: System time before build time, advancing clock.
> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz: 524288
> bytes)
> renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for
> 524288 bytes
> Unable to handle kernel paging request at virtual address ffffffffc0000000

Ugh, and the mapping failure isn't even handled correctly...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Dirk Behme]

Hi Geert,

On 11.10.2017 14:42, Geert Uytterhoeven wrote:
> Hi Dirk,
> 
> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com> wrote:
>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board with
>> rootfs on SD card I'm getting [1].
>>
>> Last time I think I used v4.13 in the same environment and I think it worked
>> fine, most probably because renesas_sdhi_internal_dmac wasn't there, yet ;)
>>
>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything newer
>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't look so.
>>
>> Any idea what I missed?
> 
> How much swiotlb memory do you have? The default is 64 MiB:
> 
>      software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
> [ffffffc037fff000-ffffffc03bffefff]


Same here:

software IO TLB [mem 0x4ffff000-0x53fff000] (64MB) mapped at 
[ffff80000ffff000-ffff800013ffefff]


> Then, who else is consuming lots of swiotlb memory?


Hmm, any idea how to find that?

The dmesg doesn't seem to have more infos about that (?)


>> Freeing unused kernel memory: 512K
>> usb 3-1: new high-speed USB device number 2 using ehci-platform
>> usb 3-1: New USB device found, idVendor=0424, idProduct=2514
>> usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
>> hub 3-1:1.0: USB hub found
>> hub 3-1:1.0: 4 ports detected
>> systemd[1]: System time before build time, advancing clock.
>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz: 524288
>> bytes)
>> renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for
>> 524288 bytes
>> Unable to handle kernel paging request at virtual address ffffffffc0000000
> 
> Ugh, and the mapping failure isn't even handled correctly...


:(


Best regards

Dirk

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Geert Uytterhoeven]

Hi Dirk,

On Wed, Oct 11, 2017 at 2:57 PM, Dirk Behme <dirk.behme@de.bosch.com> wrote:
> On 11.10.2017 14:42, Geert Uytterhoeven wrote:
>> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com>
>> wrote:
>>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board with
>>> rootfs on SD card I'm getting [1].
>>>
>>> Last time I think I used v4.13 in the same environment and I think it
>>> worked
>>> fine, most probably because renesas_sdhi_internal_dmac wasn't there, yet
>>> ;)
>>>
>>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything newer
>>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't look
>>> so.
>>>
>>> Any idea what I missed?
>>>
>> How much swiotlb memory do you have? The default is 64 MiB:
>>
>>      software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
>> [ffffffc037fff000-ffffffc03bffefff]
>
> Same here:

OK.

>> Then, who else is consuming lots of swiotlb memory?

Or, not freeing allocated memory.

> Hmm, any idea how to find that?
>
> The dmesg doesn't seem to have more infos about that (?)

I'm afraid you have to add some prints to swiotlb_tbl_map_single()
(and swiotlb_tbl_unmap_single())...

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Dirk Behme]

On 11.10.2017 15:20, Geert Uytterhoeven wrote:
> Hi Dirk,
> 
> On Wed, Oct 11, 2017 at 2:57 PM, Dirk Behme <dirk.behme@de.bosch.com> wrote:
>> On 11.10.2017 14:42, Geert Uytterhoeven wrote:
>>> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com>
>>> wrote:
>>>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board with
>>>> rootfs on SD card I'm getting [1].
>>>>
>>>> Last time I think I used v4.13 in the same environment and I think it
>>>> worked
>>>> fine, most probably because renesas_sdhi_internal_dmac wasn't there, yet
>>>> ;)
>>>>
>>>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything newer
>>>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't look
>>>> so.
>>>>
>>>> Any idea what I missed?
>>>>
>>> How much swiotlb memory do you have? The default is 64 MiB:
>>>
>>>       software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
>>> [ffffffc037fff000-ffffffc03bffefff]
>>
>> Same here:
> 
> OK.
> 
>>> Then, who else is consuming lots of swiotlb memory?
> 
> Or, not freeing allocated memory.
> 
>> Hmm, any idea how to find that?
>>
>> The dmesg doesn't seem to have more infos about that (?)
> 
> I'm afraid you have to add some prints to swiotlb_tbl_map_single()
> (and swiotlb_tbl_unmap_single())...


With [1] I'm getting [2]. What doesn't look that bad, at least quite 
symmetric. Having a quick look I can't find any obvious not freed mem. 
Hmm ...

Best regards

Dirk


[1]

--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -510,6 +510,8 @@ phys_addr_t swiotlb_tbl_map_single(struct device *hwdev,
         if (sme_active())
                 pr_warn_once("SME is active and system is using DMA 
bounce buffers\n");

+       dev_warn(hwdev, "swiotlb_tbl_map_single: trying to map %zd 
bytes\n", size);
+
         mask = dma_get_seg_boundary(hwdev);

         tbl_dma_addr &= mask;
@@ -639,6 +641,8 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, 
phys_addr_t tlb_addr,
         int index = (tlb_addr - io_tlb_start) >> IO_TLB_SHIFT;
         phys_addr_t orig_addr = io_tlb_orig_addr[index];

+       dev_warn(hwdev, "swiotlb_tbl_unmap_single: trying to unmap %zd 
bytes\n", size);
+
         /*
          * First, sync the memory before unmapping the entry
          */


[2]


[    0.000000] software IO TLB [mem 0x4ffff000-0x53fff000] (64MB) mapped 
at [ffff80000ffff000-ffff800013ffefff]
[    1.761965] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 8 bytes
[    1.771422] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 8 bytes
[    1.781012] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 64 bytes
[    1.791699] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 64 bytes
[    1.801044] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 64 bytes
[    1.811740] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 64 bytes
[    1.811766] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 64 bytes
[    1.813534] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 64 bytes
[    1.814690] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    1.815455] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    1.815583] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    1.816244] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    1.816335] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    1.816996] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    1.817084] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    1.817746] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.085510] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    2.105646] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    2.117384] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    2.128299] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    2.138851] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.354719] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    2.355176] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.356206] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.356239] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.357260] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.357293] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.358314] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.358348] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.359369] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.359403] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.360426] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.360461] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.361481] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.361515] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.362535] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.362567] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.363587] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.363622] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.364642] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.364677] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.365696] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.365732] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.366751] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.366786] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.367806] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.367841] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.368864] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.368898] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.369917] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.369950] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.370969] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 128 bytes
[    2.371002] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 128 bytes
[    2.373197] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.373558] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.373645] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.373780] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.373846] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.373978] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.374054] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.374188] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.374255] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.374431] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.374530] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.374779] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.374844] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.375021] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.375085] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.375219] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.375289] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.375423] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.375489] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    2.375622] renesas_sdhi_internal_dmac ee160000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    2.499250] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.499256] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 64 bytes
[    2.500151] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.500156] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 64 bytes
[    2.627236] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.628153] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.655235] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.655241] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 18 bytes
[    2.656161] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656165] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 18 bytes
[    2.656194] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656199] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 9 bytes
[    2.656269] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656272] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 9 bytes
[    2.656285] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656290] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 41 bytes
[    2.656393] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656397] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 41 bytes
[    2.656600] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656636] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656728] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656733] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 15 bytes
[    2.656766] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656770] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 15 bytes
[    2.656788] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656893] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.656935] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.656940] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 2 bytes
[    2.657018] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.657022] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 2 bytes
[    2.657034] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.657038] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 4 bytes
[    2.657143] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.657147] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 4 bytes
[    2.657257] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.657293] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.657305] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.657393] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.657404] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.657518] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.657529] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.657643] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.759240] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.759245] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 4 bytes
[    2.760172] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.760176] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 4 bytes
[    2.760189] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.760194] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 4 bytes
[    2.760278] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.760282] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 4 bytes
[    2.760293] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.760298] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 4 bytes
[    2.760403] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.760407] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 4 bytes
[    2.760419] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.760424] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 4 bytes
[    2.760528] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    2.760532] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 4 bytes
[    2.760543] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 1 bytes
[    2.762704] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 1 bytes
[    2.762719] ehci-platform ee0a0100.usb: swiotlb_tbl_map_single: 
trying to map 8 bytes
[    2.762744] ehci-platform ee0a0100.usb: swiotlb_tbl_unmap_single: 
trying to unmap 8 bytes
[    3.397784] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    3.407247] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    3.416687] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    3.434467] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    3.443908] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    3.453355] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 512 bytes
[    3.462799] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 512 bytes
[    3.472311] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.481983] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.491598] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.501264] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.510919] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.520602] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.530149] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.539829] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.549376] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.559057] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.568604] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.578282] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.587834] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.597512] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.607059] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.616737] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.626282] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.635960] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.645506] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.655170] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.664716] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.674386] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.683938] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.693603] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.703149] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.712814] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.722360] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.732025] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.741571] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.751239] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.760786] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.770456] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.780002] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.789667] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.799213] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.808886] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.818432] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.828097] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.837643] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.847309] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.856856] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.866522] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.876068] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.885746] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.895291] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.904968] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.914514] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.924192] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.933738] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.943416] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.952962] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.962641] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.972187] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    3.981867] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    3.991413] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.001092] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.010639] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.020320] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.029866] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.039532] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.049078] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.058743] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.068293] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.077958] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.087505] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.097170] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.106716] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.116381] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.125927] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.135608] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.145341] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.155002] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.164888] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.182208] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.211343] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.221295] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.238815] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.248481] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.258023] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.267690] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.277236] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.286903] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.296449] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.306113] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.315659] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.325325] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.334875] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.344541] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.354086] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.363751] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.373297] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.382974] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.392520] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.402197] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.411742] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.421420] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.430965] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.440643] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.450188] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.459868] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.469413] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.479092] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.488638] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.498318] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.507863] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.517543] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.527088] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.536754] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.546298] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.555965] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.565509] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[    4.575175] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[    4.584719] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 20480 bytes
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swiotlb_tbl_unmap_single: trying to unmap 20480 bytes
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swiotlb_tbl_map_single: trying to map 90112 bytes
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swiotlb_tbl_unmap_single: trying to unmap 90112 bytes
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swiotlb_tbl_map_single: trying to map 12288 bytes
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swiotlb_tbl_unmap_single: trying to unmap 12288 bytes
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swiotlb_tbl_map_single: trying to map 12288 bytes
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swiotlb_tbl_unmap_single: trying to unmap 12288 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 94208 bytes
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swiotlb_tbl_unmap_single: trying to unmap 94208 bytes
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swiotlb_tbl_map_single: trying to map 36864 bytes
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swiotlb_tbl_unmap_single: trying to unmap 36864 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 61440 bytes
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swiotlb_tbl_unmap_single: trying to unmap 61440 bytes
[    9.265684] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 69632 bytes
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swiotlb_tbl_unmap_single: trying to unmap 69632 bytes
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swiotlb_tbl_map_single: trying to map 53248 bytes
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swiotlb_tbl_unmap_single: trying to unmap 53248 bytes
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swiotlb_tbl_map_single: trying to map 77824 bytes
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swiotlb_tbl_unmap_single: trying to unmap 77824 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 28672 bytes
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swiotlb_tbl_unmap_single: trying to unmap 28672 bytes
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swiotlb_tbl_map_single: trying to map 36864 bytes
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swiotlb_tbl_unmap_single: trying to unmap 36864 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 69632 bytes
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swiotlb_tbl_unmap_single: trying to unmap 69632 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 12288 bytes
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swiotlb_tbl_unmap_single: trying to unmap 12288 bytes
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swiotlb_tbl_map_single: trying to map 57344 bytes
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swiotlb_tbl_unmap_single: trying to unmap 57344 bytes
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swiotlb_tbl_map_single: trying to map 73728 bytes
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swiotlb_tbl_unmap_single: trying to unmap 73728 bytes
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swiotlb_tbl_map_single: trying to map 8192 bytes
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swiotlb_tbl_unmap_single: trying to unmap 8192 bytes
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swiotlb_tbl_map_single: trying to map 40960 bytes
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swiotlb_tbl_unmap_single: trying to unmap 40960 bytes
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swiotlb_tbl_map_single: trying to map 73728 bytes
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swiotlb_tbl_unmap_single: trying to unmap 73728 bytes
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swiotlb_tbl_map_single: trying to map 36864 bytes
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swiotlb_tbl_unmap_single: trying to unmap 36864 bytes
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swiotlb_tbl_map_single: trying to map 12288 bytes
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swiotlb_tbl_unmap_single: trying to unmap 12288 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 49152 bytes
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swiotlb_tbl_unmap_single: trying to unmap 49152 bytes
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swiotlb_tbl_map_single: trying to map 57344 bytes
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swiotlb_tbl_unmap_single: trying to unmap 57344 bytes
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swiotlb_tbl_map_single: trying to map 73728 bytes
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swiotlb_tbl_unmap_single: trying to unmap 73728 bytes
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swiotlb_tbl_map_single: trying to map 49152 bytes
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swiotlb_tbl_unmap_single: trying to unmap 49152 bytes
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swiotlb_tbl_map_single: trying to map 65536 bytes
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swiotlb_tbl_unmap_single: trying to unmap 65536 bytes
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swiotlb_tbl_map_single: trying to map 20480 bytes
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swiotlb_tbl_unmap_single: trying to unmap 20480 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 86016 bytes
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swiotlb_tbl_unmap_single: trying to unmap 86016 bytes
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swiotlb_tbl_map_single: trying to map 24576 bytes
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swiotlb_tbl_unmap_single: trying to unmap 24576 bytes
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swiotlb_tbl_map_single: trying to map 106496 bytes
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swiotlb_tbl_unmap_single: trying to unmap 106496 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 114688 bytes
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swiotlb_tbl_unmap_single: trying to unmap 114688 bytes
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swiotlb_tbl_map_single: trying to map 131072 bytes
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swiotlb_tbl_unmap_single: trying to unmap 131072 bytes
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swiotlb_tbl_map_single: trying to map 131072 bytes
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swiotlb_tbl_unmap_single: trying to unmap 131072 bytes
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swiotlb_tbl_map_single: trying to map 77824 bytes
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swiotlb_tbl_unmap_single: trying to unmap 77824 bytes
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swiotlb_tbl_map_single: trying to map 36864 bytes
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swiotlb_tbl_unmap_single: trying to unmap 36864 bytes
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swiotlb_tbl_map_single: trying to map 53248 bytes
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swiotlb_tbl_unmap_single: trying to unmap 53248 bytes
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swiotlb_tbl_map_single: trying to map 131072 bytes
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swiotlb_tbl_unmap_single: trying to unmap 131072 bytes
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swiotlb_tbl_map_single: trying to map 131072 bytes
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swiotlb_tbl_unmap_single: trying to unmap 131072 bytes
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swiotlb_tbl_map_single: trying to map 77824 bytes
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swiotlb_tbl_unmap_single: trying to unmap 77824 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 106496 bytes
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swiotlb_tbl_unmap_single: trying to unmap 106496 bytes
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swiotlb_tbl_map_single: trying to map 24576 bytes
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swiotlb_tbl_unmap_single: trying to unmap 24576 bytes
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swiotlb_tbl_map_single: trying to map 131072 bytes
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swiotlb_tbl_unmap_single: trying to unmap 131072 bytes
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swiotlb_tbl_map_single: trying to map 40960 bytes
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swiotlb_tbl_unmap_single: trying to unmap 40960 bytes
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swiotlb_tbl_map_single: trying to map 49152 bytes
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swiotlb_tbl_unmap_single: trying to unmap 49152 bytes
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swiotlb_tbl_map_single: trying to map 57344 bytes
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swiotlb_tbl_unmap_single: trying to unmap 57344 bytes
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swiotlb_tbl_map_single: trying to map 16384 bytes
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swiotlb_tbl_unmap_single: trying to unmap 16384 bytes
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swiotlb_tbl_map_single: trying to map 8192 bytes
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swiotlb_tbl_unmap_single: trying to unmap 8192 bytes
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swiotlb_tbl_map_single: trying to map 28672 bytes
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swiotlb_tbl_unmap_single: trying to unmap 28672 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
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swiotlb_tbl_map_single: trying to map 4096 bytes
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[   11.776336] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.785881] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.795548] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.805093] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.814757] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.824302] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.833967] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.843578] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.853246] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.863158] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.872825] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.882370] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.892039] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.901585] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.911252] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.920796] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.930462] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.940008] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.949674] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.959227] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.968892] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.978437] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   11.988104] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   11.997649] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.007318] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.016864] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.026530] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.036345] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.046016] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.055566] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.065233] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.074778] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.084446] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.093991] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.103659] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.113205] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.122872] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.132416] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.142086] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.151631] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.161297] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.170842] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.180510] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.190054] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.199728] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.209273] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.218941] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.228486] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.238153] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.247697] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.257363] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.266908] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.276576] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.286121] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.295788] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.305334] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.315000] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.324545] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.334212] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.343756] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 32768 bytes
[   12.354744] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 32768 bytes
[   12.364607] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 53248 bytes
[   12.376563] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 53248 bytes
[   12.386214] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.395881] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.405425] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 8192 bytes
[   12.415263] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 8192 bytes
[   12.424810] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 32768 bytes
[   12.436033] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 32768 bytes
[   12.445677] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 8192 bytes
[   12.455636] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 8192 bytes
[   12.465307] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 12288 bytes
[   12.475408] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 12288 bytes
[   12.485335] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.494999] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.504611] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.514274] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.523823] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.533490] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.543035] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.552698] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.562243] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.571907] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.581451] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.591115] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.600661] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.610324] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.619870] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.629539] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.639089] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.648754] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.658299] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.667963] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.677508] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.687171] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.696716] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.706379] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.715924] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.725587] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.735133] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.744795] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.754340] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.764004] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.773549] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.783213] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.792758] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.802423] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.811967] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.821631] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.831176] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.840838] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.850383] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.860044] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.869590] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.879252] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.888797] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.898457] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.908001] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.917663] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.927207] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.936868] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.946412] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.956074] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.965620] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.975281] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   12.984826] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   12.994486] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.004031] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.013692] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.023257] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.032919] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.042465] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.052127] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.061677] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.071364] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.080909] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.090595] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.100139] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.109824] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.119369] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.129032] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.138638] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.148306] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.157915] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.167583] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.177216] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.187180] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.196725] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.206403] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.215948] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.225634] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.235180] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.244861] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.255058] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.264740] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.274285] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.283966] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.293510] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.303189] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.312734] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.322415] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.331959] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 4096 bytes
[   13.341643] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 4096 bytes
[   13.351188] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 45056 bytes
[   13.362696] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 45056 bytes
[   13.372348] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 262144 bytes
[   13.393108] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_unmap_single: trying to unmap 262144 bytes
[   13.402957] renesas_sdhi_internal_dmac ee100000.sd: 
swiotlb_tbl_map_single: trying to map 524288 bytes
[   13.412421] renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is 
full (sz: 524288 bytes)

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Dirk Behme]

On 12.10.2017 10:20, Dirk Behme wrote:
> On 11.10.2017 15:20, Geert Uytterhoeven wrote:
>> Hi Dirk,
>>
>> On Wed, Oct 11, 2017 at 2:57 PM, Dirk Behme <dirk.behme@de.bosch.com> 
>> wrote:
>>> On 11.10.2017 14:42, Geert Uytterhoeven wrote:
>>>> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com>
>>>> wrote:
>>>>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board 
>>>>> with
>>>>> rootfs on SD card I'm getting [1].
>>>>>
>>>>> Last time I think I used v4.13 in the same environment and I think it
>>>>> worked
>>>>> fine, most probably because renesas_sdhi_internal_dmac wasn't 
>>>>> there, yet
>>>>> ;)
>>>>>
>>>>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything 
>>>>> newer
>>>>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't 
>>>>> look
>>>>> so.
>>>>>
>>>>> Any idea what I missed?
>>>>>
>>>> How much swiotlb memory do you have? The default is 64 MiB:
>>>>
>>>>       software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
>>>> [ffffffc037fff000-ffffffc03bffefff]
>>>
>>> Same here:
>>
>> OK.
>>
>>>> Then, who else is consuming lots of swiotlb memory?
>>
>> Or, not freeing allocated memory.
>>
>>> Hmm, any idea how to find that?
>>>
>>> The dmesg doesn't seem to have more infos about that (?)
>>
>> I'm afraid you have to add some prints to swiotlb_tbl_map_single()
>> (and swiotlb_tbl_unmap_single())...
> 
> 
> With [1] I'm getting [2]. What doesn't look that bad, at least quite 
> symmetric. Having a quick look I can't find any obvious not freed mem. 
> Hmm ...


Ok, it seems to be somehow easy ;) It seems that the 524288 bytes them 
self are the issue, independent on the usage of the swiotlb memory.

Doing a hack like [3], i.e. trying to map 524288 bytes at the first 
access, already, crashes, too [4].

So seems we have two issues?

a) swiotlb_tbl_map_single() can't handle 524288 bytes

and

b) failing swiotlb_tbl_map_single() results in a kernel crash


Now, I'm not sure whom to address both to? Is it an issue of 
renesas_sdhi_internal_dmac() which shouldn't call swiotlb with 524288 
bytes? Or is this an error of swiotlb? Same for the kernel crash.


Best regards

Dirk

[3]

--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -510,6 +510,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device 
*hwdev,
         if (sme_active())
                 pr_warn_once("SME is active and system is using DMA 
bounce buffers\n");

+       dev_warn(hwdev, "swiotlb_tbl_map_single: trying to map %zd 
bytes\n", size);
+       size = (size_t)524288;
+       dev_warn(hwdev, "swiotlb_tbl_map_single: test: size modified to 
%zd bytes\n", size);
+
         mask = dma_get_seg_boundary(hwdev);

         tbl_dma_addr &= mask;

[4]

renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: trying 
to map 8 bytes
renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test: 
size modified to 524288 bytes
renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz: 
524288 bytes)
renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for 8 
bytes
Unable to handle kernel paging request at virtual address ffffffffc0000000

RE: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Yoshihiro Shimoda]

Hi Dirk-san,

> From: Dirk Behme, Sent: Thursday, October 12, 2017 6:13 PM
> 
> On 12.10.2017 10:20, Dirk Behme wrote:
> > On 11.10.2017 15:20, Geert Uytterhoeven wrote:
> >> Hi Dirk,
> >>
> >> On Wed, Oct 11, 2017 at 2:57 PM, Dirk Behme <dirk.behme@de.bosch.com>
> >> wrote:
> >>> On 11.10.2017 14:42, Geert Uytterhoeven wrote:
> >>>> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com>
> >>>> wrote:
> >>>>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board
> >>>>> with
> >>>>> rootfs on SD card I'm getting [1].
> >>>>>
> >>>>> Last time I think I used v4.13 in the same environment and I think it
> >>>>> worked
> >>>>> fine, most probably because renesas_sdhi_internal_dmac wasn't
> >>>>> there, yet
> >>>>> ;)
> >>>>>
> >>>>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything
> >>>>> newer
> >>>>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't
> >>>>> look
> >>>>> so.
> >>>>>
> >>>>> Any idea what I missed?
> >>>>>
> >>>> How much swiotlb memory do you have? The default is 64 MiB:
> >>>>
> >>>>       software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
> >>>> [ffffffc037fff000-ffffffc03bffefff]
> >>>
> >>> Same here:
> >>
> >> OK.
> >>
> >>>> Then, who else is consuming lots of swiotlb memory?
> >>
> >> Or, not freeing allocated memory.
> >>
> >>> Hmm, any idea how to find that?
> >>>
> >>> The dmesg doesn't seem to have more infos about that (?)
> >>
> >> I'm afraid you have to add some prints to swiotlb_tbl_map_single()
> >> (and swiotlb_tbl_unmap_single())...
> >
> >
> > With [1] I'm getting [2]. What doesn't look that bad, at least quite
> > symmetric. Having a quick look I can't find any obvious not freed mem.
> > Hmm ...
> 
> 
> Ok, it seems to be somehow easy ;) It seems that the 524288 bytes them
> self are the issue, independent on the usage of the swiotlb memory.
> 
> Doing a hack like [3], i.e. trying to map 524288 bytes at the first
> access, already, crashes, too [4].
> 
> So seems we have two issues?
> 
> a) swiotlb_tbl_map_single() can't handle 524288 bytes
> 
> and
> 
> b) failing swiotlb_tbl_map_single() results in a kernel crash
> 
> 
> Now, I'm not sure whom to address both to? Is it an issue of
> renesas_sdhi_internal_dmac() which shouldn't call swiotlb with 524288
> bytes? Or is this an error of swiotlb? Same for the kernel crash.

Our team also reproduced this issue if we did the following command on H3.
 # dd if=/dev/mmcblk0 of=/dev/null bs=512k count=200

I investigate the issue and then if I modified the value of IO_TLB_SEGSIZE to 256,
the issue disappeared. However, other issue happens if I dropped "count=200"...
So, I will investigate the issues more...

IIUC,
- Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
 - So, swiotlb will got request 64kbyte+ size. This is different with previous version.

Best regards,
Yoshihiro Shimoda

> 
> Best regards
> 
> Dirk
> 
> [3]
> 
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -510,6 +510,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device
> *hwdev,
>          if (sme_active())
>                  pr_warn_once("SME is active and system is using DMA
> bounce buffers\n");
> 
> +       dev_warn(hwdev, "swiotlb_tbl_map_single: trying to map %zd
> bytes\n", size);
> +       size = (size_t)524288;
> +       dev_warn(hwdev, "swiotlb_tbl_map_single: test: size modified to
> %zd bytes\n", size);
> +
>          mask = dma_get_seg_boundary(hwdev);
> 
>          tbl_dma_addr &= mask;
> 
> [4]
> 
> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: trying
> to map 8 bytes
> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
> size modified to 524288 bytes
> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
> 524288 bytes)
> renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for 8
> bytes
> Unable to handle kernel paging request at virtual address ffffffffc0000000

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Geert Uytterhoeven]

CC LinusW, Ulf, linux-mmc

On Mon, Oct 16, 2017 at 10:36 AM, Yoshihiro Shimoda
<yoshihiro.shimoda.uh@renesas.com> wrote:
>> From: Dirk Behme, Sent: Thursday, October 12, 2017 6:13 PM
>> On 12.10.2017 10:20, Dirk Behme wrote:
>> > On 11.10.2017 15:20, Geert Uytterhoeven wrote:
>> >> On Wed, Oct 11, 2017 at 2:57 PM, Dirk Behme <dirk.behme@de.bosch.com>
>> >> wrote:
>> >>> On 11.10.2017 14:42, Geert Uytterhoeven wrote:
>> >>>> On Wed, Oct 11, 2017 at 2:23 PM, Dirk Behme <dirk.behme@de.bosch.com>
>> >>>> wrote:
>> >>>>> trying to boot recent mainline v4.14-rc4 on a custom H3 ES2.0 board
>> >>>>> with
>> >>>>> rootfs on SD card I'm getting [1].
>> >>>>>
>> >>>>> Last time I think I used v4.13 in the same environment and I think it
>> >>>>> worked
>> >>>>> fine, most probably because renesas_sdhi_internal_dmac wasn't
>> >>>>> there, yet
>> >>>>> ;)
>> >>>>>
>> >>>>> I checked renesas-drivers-2017-10-03-v4.14-rc3 if there is anything
>> >>>>> newer
>> >>>>> regarding drivers/mmc/host/renesas_sdhi_internal_dmac.c but doesn't
>> >>>>> look
>> >>>>> so.
>> >>>>>
>> >>>>> Any idea what I missed?
>> >>>>>
>> >>>> How much swiotlb memory do you have? The default is 64 MiB:
>> >>>>
>> >>>>       software IO TLB [mem 0x77fff000-0x7bfff000] (64MB) mapped at
>> >>>> [ffffffc037fff000-ffffffc03bffefff]
>> >>>
>> >>> Same here:
>> >>
>> >> OK.
>> >>
>> >>>> Then, who else is consuming lots of swiotlb memory?
>> >>
>> >> Or, not freeing allocated memory.
>> >>
>> >>> Hmm, any idea how to find that?
>> >>>
>> >>> The dmesg doesn't seem to have more infos about that (?)
>> >>
>> >> I'm afraid you have to add some prints to swiotlb_tbl_map_single()
>> >> (and swiotlb_tbl_unmap_single())...
>> >
>> >
>> > With [1] I'm getting [2]. What doesn't look that bad, at least quite
>> > symmetric. Having a quick look I can't find any obvious not freed mem.
>> > Hmm ...
>>
>>
>> Ok, it seems to be somehow easy ;) It seems that the 524288 bytes them
>> self are the issue, independent on the usage of the swiotlb memory.
>>
>> Doing a hack like [3], i.e. trying to map 524288 bytes at the first
>> access, already, crashes, too [4].
>>
>> So seems we have two issues?
>>
>> a) swiotlb_tbl_map_single() can't handle 524288 bytes
>>
>> and
>>
>> b) failing swiotlb_tbl_map_single() results in a kernel crash
>>
>>
>> Now, I'm not sure whom to address both to? Is it an issue of
>> renesas_sdhi_internal_dmac() which shouldn't call swiotlb with 524288
>> bytes? Or is this an error of swiotlb? Same for the kernel crash.
>
> Our team also reproduced this issue if we did the following command on H3.
>  # dd if=/dev/mmcblk0 of=/dev/null bs=512k count=200
>
> I investigate the issue and then if I modified the value of IO_TLB_SEGSIZE to 256,
> the issue disappeared. However, other issue happens if I dropped "count=200"...
> So, I will investigate the issues more...
>
> IIUC,
> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
>  - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
>
> Best regards,
> Yoshihiro Shimoda
>
>>
>> Best regards
>>
>> Dirk
>>
>> [3]
>>
>> --- a/lib/swiotlb.c
>> +++ b/lib/swiotlb.c
>> @@ -510,6 +510,10 @@ phys_addr_t swiotlb_tbl_map_single(struct device
>> *hwdev,
>>          if (sme_active())
>>                  pr_warn_once("SME is active and system is using DMA
>> bounce buffers\n");
>>
>> +       dev_warn(hwdev, "swiotlb_tbl_map_single: trying to map %zd
>> bytes\n", size);
>> +       size = (size_t)524288;
>> +       dev_warn(hwdev, "swiotlb_tbl_map_single: test: size modified to
>> %zd bytes\n", size);
>> +
>>          mask = dma_get_seg_boundary(hwdev);
>>
>>          tbl_dma_addr &= mask;
>>
>> [4]
>>
>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: trying
>> to map 8 bytes
>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
>> size modified to 524288 bytes
>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
>> 524288 bytes)
>> renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for 8
>> bytes
>> Unable to handle kernel paging request at virtual address ffffffffc0000000

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Linus Walleij]

On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
<geert@linux-m68k.org> wrote:

>> IIUC,
>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
>>  - So, swiotlb will got request 64kbyte+ size. This is different with previous version.

Other people reported problems with that. Sorry about this...

This problem should be solved by upstream
commit de3ee99b097dd51938276e3af388cd4ad0f2750a
"mmc: Delete bounce buffer handling"

I just killed off the bounce buffers so they can't hurt anyone anymore.

Can you check that you have this patch in your tree?

Yours,
Linus Walleij

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Geert Uytterhoeven]

Hi Linus,

On Mon, Oct 16, 2017 at 1:41 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
> On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
>>> IIUC,
>>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
>>>  - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
>
> Other people reported problems with that. Sorry about this...
>
> This problem should be solved by upstream
> commit de3ee99b097dd51938276e3af388cd4ad0f2750a
> "mmc: Delete bounce buffer handling"
>
> I just killed off the bounce buffers so they can't hurt anyone anymore.
>
> Can you check that you have this patch in your tree?

Given Dirk saw the issue with v4.14-rc4, I'm afraid that patch is already
included :-(

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Linus Walleij]

On Mon, Oct 16, 2017 at 2:07 PM, Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
> On Mon, Oct 16, 2017 at 1:41 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
>> On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
>> <geert@linux-m68k.org> wrote:
>>>> IIUC,
>>>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
>>>>  - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
>>
>> Other people reported problems with that. Sorry about this...
>>
>> This problem should be solved by upstream
>> commit de3ee99b097dd51938276e3af388cd4ad0f2750a
>> "mmc: Delete bounce buffer handling"
>>
>> I just killed off the bounce buffers so they can't hurt anyone anymore.
>>
>> Can you check that you have this patch in your tree?
>
> Given Dirk saw the issue with v4.14-rc4, I'm afraid that patch is already
> included :-(

So the first issue is definately gone.

Then it seems the driver is specifying to high ->max_seg_size
since the buffer cannot be mapped?

Unless you're using ADMA drivers/mmc/host/sdhci.c sets it as:
mmc->max_seg_size = mmc->max_req_size;

And:
mmc->max_req_size = 524288;

>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
>> size modified to 524288 bytes
>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
>> 524288 bytes)

So if your driver cannot handle 524288 bytes, why is it saying it can
handle 524288 bytes?

The MMC core will believe the claim is true, I guess maybe something
in the current tree (such as coalesced blocks or whatever) is finally
making this size of requests hit the driver (which is a good thing...)
just that it was never doing that before and now it turns out it can't
really handle that because of how the memory architecture or something
works.

I guess you need to figure out how big requests/segments this hardware
can really handle and pass that to mmc->mas_req_size, mmc->max_seg_size.

Sorry if my reasoning is dumb... need more coffee.

Yours,
Linus Walleij

RE: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Yoshihiro Shimoda]

Hi Linus-san,

> From: Linus Walleij, Sent: Monday, October 16, 2017 9:22 PM
> 
> On Mon, Oct 16, 2017 at 2:07 PM, Geert Uytterhoeven
> <geert@linux-m68k.org> wrote:
> > On Mon, Oct 16, 2017 at 1:41 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
> >> On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
> >> <geert@linux-m68k.org> wrote:
> >>>> IIUC,
> >>>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
> >>>>  - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
> >>
> >> Other people reported problems with that. Sorry about this...
> >>
> >> This problem should be solved by upstream
> >> commit de3ee99b097dd51938276e3af388cd4ad0f2750a
> >> "mmc: Delete bounce buffer handling"
> >>
> >> I just killed off the bounce buffers so they can't hurt anyone anymore.
> >>
> >> Can you check that you have this patch in your tree?
> >
> > Given Dirk saw the issue with v4.14-rc4, I'm afraid that patch is already
> > included :-(
> 
> So the first issue is definately gone.
> 
> Then it seems the driver is specifying to high ->max_seg_size
> since the buffer cannot be mapped?
> 
> Unless you're using ADMA drivers/mmc/host/sdhci.c sets it as:
> mmc->max_seg_size = mmc->max_req_size;

Thank you for the comment!
On R-Car Gen3, it's using drivers/mmc/host/renesas_sdhi_internal_dmac.c,
and sets the max_seg_size to very big size (0xffffffff * 512) now...

So, I modified the value to 262144 and rebase the kernel to v4.14-rc5
(-rc4 seems have other issue in block driver.), the "swiotlb buffer is full" issue disappeared.

> And:
> mmc->max_req_size = 524288;
> 
> >> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
> >> size modified to 524288 bytes
> >> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
> >> 524288 bytes)
> 
> So if your driver cannot handle 524288 bytes, why is it saying it can
> handle 524288 bytes?

I think the "swiotlb buffer is full" came from lib/swiotlb.c.
I'm not sure the detail of swiotlb.c, but IIUC, it has a memory size limitation.

- In lib/swiotlb.c, it calculates nslots.
 - The size of one slot is 2048 bytes because IO_TLB_SHIFT in include/linux/swiotlb.h is set to 11.
- IO_TLB_SEGSIZE is set to 128 in include/linux/swiotlb.h.
 - This value is number of maximum slots.
  - So, maximum size for a single map of swiotlb is 256kbytes (2048 * 128).

So, I will submit a patch to set the max_req_size to 256kbytes today.

Best regards,
Yoshihiro Shimoda

Re: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Dirk Behme]

Limiting the thread to Renesas only, again, to discuss the other issue:

On 17.10.2017 06:51, Yoshihiro Shimoda wrote:
> Hi Linus-san,
> 
>> From: Linus Walleij, Sent: Monday, October 16, 2017 9:22 PM
>>
>> On Mon, Oct 16, 2017 at 2:07 PM, Geert Uytterhoeven
>> <geert@linux-m68k.org> wrote:
>>> On Mon, Oct 16, 2017 at 1:41 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
>>>> On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
>>>> <geert@linux-m68k.org> wrote:
>>>>>> IIUC,
>>>>>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
>>>>>>   - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
>>>>
>>>> Other people reported problems with that. Sorry about this...
>>>>
>>>> This problem should be solved by upstream
>>>> commit de3ee99b097dd51938276e3af388cd4ad0f2750a
>>>> "mmc: Delete bounce buffer handling"
>>>>
>>>> I just killed off the bounce buffers so they can't hurt anyone anymore.
>>>>
>>>> Can you check that you have this patch in your tree?
>>>
>>> Given Dirk saw the issue with v4.14-rc4, I'm afraid that patch is already
>>> included :-(
>>
>> So the first issue is definately gone.
>>
>> Then it seems the driver is specifying to high ->max_seg_size
>> since the buffer cannot be mapped?
>>
>> Unless you're using ADMA drivers/mmc/host/sdhci.c sets it as:
>> mmc->max_seg_size = mmc->max_req_size;
> 
> Thank you for the comment!
> On R-Car Gen3, it's using drivers/mmc/host/renesas_sdhi_internal_dmac.c,
> and sets the max_seg_size to very big size (0xffffffff * 512) now...
> 
> So, I modified the value to 262144 and rebase the kernel to v4.14-rc5
> (-rc4 seems have other issue in block driver.), the "swiotlb buffer is full" issue disappeared.
> 
>> And:
>> mmc->max_req_size = 524288;
>>
>>>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
>>>> size modified to 524288 bytes
>>>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
>>>> 524288 bytes)
>>
>> So if your driver cannot handle 524288 bytes, why is it saying it can
>> handle 524288 bytes?
> 
> I think the "swiotlb buffer is full" came from lib/swiotlb.c.
> I'm not sure the detail of swiotlb.c, but IIUC, it has a memory size limitation.
> 
> - In lib/swiotlb.c, it calculates nslots.
>   - The size of one slot is 2048 bytes because IO_TLB_SHIFT in include/linux/swiotlb.h is set to 11.
> - IO_TLB_SEGSIZE is set to 128 in include/linux/swiotlb.h.
>   - This value is number of maximum slots.
>    - So, maximum size for a single map of swiotlb is 256kbytes (2048 * 128).
> 
> So, I will submit a patch to set the max_req_size to 256kbytes today.


Great, many thanks! I'll try to test that in the next days, then.

While above fixes the swiotlb full issue, we still have the issue that 
it looks like the driver doesn't handle that issue correctly and 
crashes, then:

renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for 
524288 bytes
-> Unable to handle kernel paging request at virtual address 
ffffffffc0000000 <-

I'd propose to fix that, too. Have you looked into that issue, too?

I'm no expert on this, but it looks to me that other drivers are 
checking the return value of dma_map_sg() differently?

ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, dir);
	if (ret < 0)
		return;

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/mmc/host/renesas_sdhi_internal_dmac.c#n165

They check for (ret == 0)?

Sorry if I'm wrong on that ;)

Best regards

Dirk

RE: mainline 4.14-rc4: renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full?

[Yoshihiro Shimoda]

Hi Dirk-san,

> From: Dirk Behme, Sent: Tuesday, October 17, 2017 2:08 PM
> 
> Limiting the thread to Renesas only, again, to discuss the other issue:
> 
> On 17.10.2017 06:51, Yoshihiro Shimoda wrote:
> > Hi Linus-san,
> >
> >> From: Linus Walleij, Sent: Monday, October 16, 2017 9:22 PM
> >>
> >> On Mon, Oct 16, 2017 at 2:07 PM, Geert Uytterhoeven
> >> <geert@linux-m68k.org> wrote:
> >>> On Mon, Oct 16, 2017 at 1:41 PM, Linus Walleij <linus.walleij@linaro.org> wrote:
> >>>> On Mon, Oct 16, 2017 at 11:02 AM, Geert Uytterhoeven
> >>>> <geert@linux-m68k.org> wrote:
> >>>>>> IIUC,
> >>>>>> - Since the MMC_BOUNCE disappeared in v4.14-rc1, the MMC core will request a command with 64kbyte+ size.
> >>>>>>   - So, swiotlb will got request 64kbyte+ size. This is different with previous version.
> >>>>
> >>>> Other people reported problems with that. Sorry about this...
> >>>>
> >>>> This problem should be solved by upstream
> >>>> commit de3ee99b097dd51938276e3af388cd4ad0f2750a
> >>>> "mmc: Delete bounce buffer handling"
> >>>>
> >>>> I just killed off the bounce buffers so they can't hurt anyone anymore.
> >>>>
> >>>> Can you check that you have this patch in your tree?
> >>>
> >>> Given Dirk saw the issue with v4.14-rc4, I'm afraid that patch is already
> >>> included :-(
> >>
> >> So the first issue is definately gone.
> >>
> >> Then it seems the driver is specifying to high ->max_seg_size
> >> since the buffer cannot be mapped?
> >>
> >> Unless you're using ADMA drivers/mmc/host/sdhci.c sets it as:
> >> mmc->max_seg_size = mmc->max_req_size;
> >
> > Thank you for the comment!
> > On R-Car Gen3, it's using drivers/mmc/host/renesas_sdhi_internal_dmac.c,
> > and sets the max_seg_size to very big size (0xffffffff * 512) now...
> >
> > So, I modified the value to 262144 and rebase the kernel to v4.14-rc5
> > (-rc4 seems have other issue in block driver.), the "swiotlb buffer is full" issue disappeared.
> >
> >> And:
> >> mmc->max_req_size = 524288;
> >>
> >>>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb_tbl_map_single: test:
> >>>> size modified to 524288 bytes
> >>>> renesas_sdhi_internal_dmac ee100000.sd: swiotlb buffer is full (sz:
> >>>> 524288 bytes)
> >>
> >> So if your driver cannot handle 524288 bytes, why is it saying it can
> >> handle 524288 bytes?
> >
> > I think the "swiotlb buffer is full" came from lib/swiotlb.c.
> > I'm not sure the detail of swiotlb.c, but IIUC, it has a memory size limitation.
> >
> > - In lib/swiotlb.c, it calculates nslots.
> >   - The size of one slot is 2048 bytes because IO_TLB_SHIFT in include/linux/swiotlb.h is set to 11.
> > - IO_TLB_SEGSIZE is set to 128 in include/linux/swiotlb.h.
> >   - This value is number of maximum slots.
> >    - So, maximum size for a single map of swiotlb is 256kbytes (2048 * 128).
> >
> > So, I will submit a patch to set the max_req_size to 256kbytes today.
> 
> 
> Great, many thanks! I'll try to test that in the next days, then.
> 
> While above fixes the swiotlb full issue, we still have the issue that
> it looks like the driver doesn't handle that issue correctly and
> crashes, then:
> 
> renesas_sdhi_internal_dmac ee100000.sd: DMA: Out of SW-IOMMU space for
> 524288 bytes
> -> Unable to handle kernel paging request at virtual address
> ffffffffc0000000 <-
> 
> I'd propose to fix that, too. Have you looked into that issue, too?
> 
> I'm no expert on this, but it looks to me that other drivers are
> checking the return value of dma_map_sg() differently?
> 
> ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, dir);
> 	if (ret < 0)
> 		return;
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/mmc/host/renesas_sdhi_internal_dmac.
> c#n165
> 
> They check for (ret == 0)?
> 
> Sorry if I'm wrong on that ;)

Thank you for the comments! You're correct. We should check for (ret == 0) at least.
I also think we should set host->force_pio = true and
call renesas_sdhi_internal_dmac_enable_dma(host, false) to do PIO if "ret == 0".

I will make such a patch and submit it.

Best regards,
Yoshihiro Shimoda

> Best regards
> 
> Dirk