Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel

[Julian Margetson <runaway@candw.ms>]

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On 12/19/2015 1:19 PM, Måns Rullgård wrote:
> Julian Margetson <runaway@candw.ms> writes:
>
>> On 12/19/2015 1:05 PM, Måns Rullgård wrote:
>>> Andy Shevchenko <andy.shevchenko@gmail.com> writes:
>>>
>>>> On Sat, Dec 19, 2015 at 5:40 PM, Måns Rullgård <mans@mansr.com> wrote:
>>>>
>>>>> OK, I've found something.  The dma setup errors are benign, caused by
>>>>> the driver calling dmaengine_prep_slave_sg() even for non-dma
>>>>> operations.
>>>> I suppose the following is a quick fix to avoid preparing descriptor
>>>> for non-DMA operations (not tested anyhow)
>>>>
>>>> a/drivers/ata/sata_dwc_460ex.c
>>>> +++ b/drivers/ata/sata_dwc_460ex.c
>>>> @@ -1041,6 +1041,9 @@ static void sata_dwc_qc_prep_by_tag(struct
>>>> ata_queued_cmd *qc, u8 tag)
>>>>                   __func__, ap->port_no, get_dma_dir_descript(qc->dma_dir),
>>>>                    qc->n_elem);
>>>>
>>>> +       if (!is_slave_direction(qc->dma_dir))
>>>> +               return;
>>>> +
>>>>           desc = dma_dwc_xfer_setup(qc);
>>>>           if (!desc) {
>>>>                   dev_err(ap->dev, "%s: dma_dwc_xfer_setup returns NULL\n",
>>> I already have a better patch sitting here.
>>>
>>>>> The real error is the lock recursion that's reported
>>>>> later.  I wasn't seeing it since I was running a UP non-preempt kernel.
>>>>> With lock debugging enabled, I get the same error.  This patch should
>>>>> fix it.
>>>>> -       spin_lock_irqsave(&ap->host->lock, flags);
>>>>>           hsdevp->cmd_issued[tag] = cmd_issued;
>>>>> -       spin_unlock_irqrestore(&ap->host->lock, flags);
>>>>> +
>>>> This will create a second empty line, though I don't care it is so minor.
>>> The patch leaves one blank line before the following block comment.  I
>>> think it looks better that way.
>>>
>> Still can't get the patch applied .
> Sorry, didn't realise it conflicted with an intervening patch I had in
> my tree.  Try this one.
>


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=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2015.12.19 14:44:52 =~=~=~=~=~=~=~=~=~=~=~=


U-Boot 2015.a (May 16 2015 - 14:20:11)

CPU:   AMCC PowerPC 460EX Rev. B at 1155 MHz (PLB=231 OPB=115 EBC=115)
       No Security/Kasumi support
       Bootstrap Option H - Boot ROM Location I2C (Addr 0x52)
       Internal PCI arbiter enabled
       32 kB I-Cache 32 kB D-Cache
Board: Sam460ex/cr, PCIe 4x + SATA-2
I2C:   ready
DRAM:  2 GiB (ECC not enabled, 462 MHz, CL4)
PCI:   Bus Dev VenId DevId Class Int
        00  04  1095  3512  0104  00
        00  06  126f  0501  0380  00
PCIE1: successfully set as root-complex
        02  00  1002  683f  0300  ff
Net:   ppc_4xx_eth0
FPGA:  Revision 03 (2010-10-07)
SM502: found
PERMD2:not found
VGA:   1
VESA:  OK
[    0.000000] Using Canyonlands machine description
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 4.4.0-rc5-Sam460ex (root@julian-VirtualBox) (gcc version 4.8.2 (Ubuntu 4.8.2-16ubuntu3) ) #1 PREEMPT Sat Dec 19 14:25:55 AST 2015
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x0000000000000000-0x000000002fffffff]
[    0.000000]   Normal   empty
[    0.000000]   HighMem  [mem 0x0000000030000000-0x000000007fffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x000000007fffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000007fffffff]
[    0.000000] MMU: Allocated 1088 bytes of context maps for 255 contexts
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 522752
[    0.000000] Kernel command line: root=/dev/sda8 console=ttyS0,115200 console=tty1 dw_dmac_core.dyndbg dw_dmac.dyndbg
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Sorting __ex_table...
[    0.000000] Memory: 2068868K/2097152K available (6732K kernel code, 332K rwdata, 3232K rodata, 236K init, 368K bss, 28284K reserved, 0K cma-reserved, 1310720K highmem)
[    0.000000] Kernel virtual memory layout:
[    0.000000]   * 0xfffcf000..0xfffff000  : fixmap
[    0.000000]   * 0xffc00000..0xffe00000  : highmem PTEs
[    0.000000]   * 0xffa00000..0xffc00000  : consistent mem
[    0.000000]   * 0xffa00000..0xffa00000  : early ioremap
[    0.000000]   * 0xf1000000..0xffa00000  : vmalloc & ioremap
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] Build-time adjustment of leaf fanout to 32.
[    0.000000] NR_IRQS:512 nr_irqs:512 16
[    0.000000] UIC0 (32 IRQ sources) at DCR 0xc0
[    0.000000] UIC1 (32 IRQ sources) at DCR 0xd0
[    0.000000] UIC2 (32 IRQ sources) at DCR 0xe0
[    0.000000] UIC3 (32 IRQ sources) at DCR 0xf0
[    0.000013] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x10a60dda894, max_idle_ns: 440795207041 ns
[    0.000023] clocksource: timebase mult[dda520] shift[24] registered
[    0.000144] Console: colour dummy device 80x25
[    0.000712] console [tty1] enabled
[    0.000749] pid_max: default: 32768 minimum: 301
[    0.000859] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000886] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.004722] devtmpfs: initialized
[    0.007452] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.007891] xor: measuring software checksum speed
[    0.017379]    8regs     :   856.000 MB/sec
[    0.027386]    8regs_prefetch:   784.000 MB/sec
[    0.037420]    32regs    :  1120.000 MB/sec
[    0.047456]    32regs_prefetch:   996.000 MB/sec
[    0.047476] xor: using function: 32regs (1120.000 MB/sec)
[    0.047525] prandom: seed boundary self test passed
[    0.049987] prandom: 100 self tests passed
[    0.050597] NET: Registered protocol family 16
[    0.053577] cpuidle: using governor ladder
[    0.056611] cpuidle: using governor menu
[    0.057024] 256k L2-cache enabled
[    0.057143] PCIE0: Port disabled via device-tree
[    0.057205] PCIE1: Checking link...
[    0.057222] PCIE1: Device detected, waiting for link...
[    0.057241] PCIE1: link is up !
[    0.159445] PCI host bridge /plb/pciex@d20000000 (primary) ranges:
[    0.159496]  MEM 0x0000000e80000000..0x0000000effffffff -> 0x0000000080000000 
[    0.159531]  MEM 0x0000000f00100000..0x0000000f001fffff -> 0x0000000000000000 
[    0.159563]   IO 0x0000000f80010000..0x0000000f8001ffff -> 0x0000000000000000
[    0.159602] 4xx PCI DMA offset set to 0x00000000
[    0.159620] 4xx PCI DMA window base to 0x0000000000000000
[    0.159638] DMA window size 0x0000000080000000
[    0.159674] PCIE1: successfully set as root-complex
[    0.159750] PCI host bridge /plb/pci@c0ec00000 (primary) ranges:
[    0.159779]  MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000 
[    0.159814]  MEM 0x0000000c0ee00000..0x0000000c0eefffff -> 0x0000000000000000 
[    0.159845]   IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000
[    0.159875] 4xx PCI DMA offset set to 0x00000000
[    0.159892] 4xx PCI DMA window base to 0x0000000000000000
[    0.159911] DMA window size 0x0000000080000000
[    0.160397] PCI: Probing PCI hardware
[    0.160515] PCI host bridge to bus 0000:80
[    0.160545] pci_bus 0000:80: root bus resource [io  0xfffe0000-0xfffeffff] (bus address [0x0000-0xffff])
[    0.160583] pci_bus 0000:80: root bus resource [mem 0xe80000000-0xeffffffff] (bus address [0x80000000-0xffffffff])
[    0.160620] pci_bus 0000:80: root bus resource [mem 0xf00100000-0xf001fffff] (bus address [0x00000000-0x000fffff])
[    0.160659] pci_bus 0000:80: root bus resource [bus 80-ff]
[    0.160795] PCI: Hiding 4xx host bridge resources 0000:80:00.0
[    0.161683] pci 0000:80:00.0: PCI bridge to [bus 81-bf]
[    0.161913] PCI host bridge to bus 0001:00
[    0.161939] pci_bus 0001:00: root bus resource [io  0x0000-0xffff]
[    0.161965] pci_bus 0001:00: root bus resource [mem 0xd80000000-0xdffffffff] (bus address [0x80000000-0xffffffff])
[    0.162018] pci_bus 0001:00: root bus resource [mem 0xc0ee00000-0xc0eefffff] (bus address [0x00000000-0x000fffff])
[    0.162057] pci_bus 0001:00: root bus resource [bus 00-ff]
[    0.162684] pci 0000:80:00.0: BAR 9: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.162727] pci 0000:80:00.0: BAR 8: assigned [mem 0xe90000000-0xe900fffff]
[    0.162752] pci 0000:80:00.0: BAR 7: assigned [io  0xfffe1000-0xfffe1fff]
[    0.162783] pci 0000:81:00.0: BAR 0: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.162826] pci 0000:81:00.0: BAR 2: assigned [mem 0xe90000000-0xe9003ffff 64bit]
[    0.162865] pci 0000:81:00.0: BAR 6: assigned [mem 0xe90040000-0xe9005ffff pref]
[    0.162899] pci 0000:81:00.1: BAR 0: assigned [mem 0xe90060000-0xe90063fff 64bit]
[    0.162937] pci 0000:81:00.0: BAR 4: assigned [io  0xfffe1000-0xfffe10ff]
[    0.162965] pci 0000:80:00.0: PCI bridge to [bus 81-bf]
[    0.162989] pci 0000:80:00.0:   bridge window [io  0xfffe1000-0xfffe1fff]
[    0.163035] pci 0000:80:00.0:   bridge window [mem 0xe90000000-0xe900fffff]
[    0.163063] pci 0000:80:00.0:   bridge window [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.163166] pci 0001:00:06.0: BAR 0: assigned [mem 0xd80000000-0xd83ffffff]
[    0.163197] pci 0001:00:06.0: BAR 1: assigned [mem 0xd84000000-0xd841fffff]
[    0.163225] pci 0001:00:04.0: BAR 6: assigned [mem 0xd84200000-0xd8427ffff pref]
[    0.163257] pci 0001:00:04.0: BAR 5: assigned [mem 0xd84280000-0xd842801ff]
[    0.163284] pci 0001:00:04.0: BAR 4: assigned [io  0x1000-0x100f]
[    0.163310] pci 0001:00:04.0: BAR 0: assigned [io  0x1010-0x1017]
[    0.163335] pci 0001:00:04.0: BAR 2: assigned [io  0x1018-0x101f]
[    0.163361] pci 0001:00:04.0: BAR 1: assigned [io  0x1020-0x1023]
[    0.163386] pci 0001:00:04.0: BAR 3: assigned [io  0x1024-0x1027]
[    0.190311] raid6: int32x1  gen()   300 MB/s
[    0.207465] raid6: int32x1  xor()   173 MB/s
[    0.224491] raid6: int32x2  gen()   433 MB/s
[    0.241540] raid6: int32x2  xor()   240 MB/s
[    0.258633] raid6: int32x4  gen()   476 MB/s
[    0.275712] raid6: int32x4  xor()   267 MB/s
[    0.292769] raid6: int32x8  gen()   234 MB/s
[    0.309941] raid6: int32x8  xor()   218 MB/s
[    0.309965] raid6: using algorithm int32x4 gen() 476 MB/s
[    0.309984] raid6: .... xor() 267 MB/s, rmw enabled
[    0.310003] raid6: using intx1 recovery algorithm
[    0.310317] vgaarb: device added: PCI:0000:81:00.0,decodes=io+mem,owns=none,locks=none
[    0.310361] vgaarb: loaded
[    0.310376] vgaarb: bridge control possible 0000:81:00.0
[    0.310654] SCSI subsystem initialized
[    0.311053] usbcore: registered new interface driver usbfs
[    0.311124] usbcore: registered new interface driver hub
[    0.311189] usbcore: registered new device driver usb
[    0.311301] pps_core: LinuxPPS API ver. 1 registered
[    0.311321] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.311372] PTP clock support registered
[    0.311531] EDAC MC: Ver: 3.0.0
[    0.311931] Advanced Linux Sound Architecture Driver Initialized.
[    0.331842] DMA-API: preallocated 65536 debug entries
[    0.331884] DMA-API: debugging enabled by kernel config
[    0.331942] clocksource: Switched to clocksource timebase
[    0.338558] NET: Registered protocol family 2
[    0.339172] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    0.339292] TCP bind hash table entries: 8192 (order: 5, 163840 bytes)
[    0.339616] TCP: Hash tables configured (established 8192 bind 8192)
[    0.339750] UDP hash table entries: 512 (order: 2, 24576 bytes)
[    0.339832] UDP-Lite hash table entries: 512 (order: 2, 24576 bytes)
[    0.340194] NET: Registered protocol family 1
[    0.340530] RPC: Registered named UNIX socket transport module.
[    0.340561] RPC: Registered udp transport module.
[    0.340579] RPC: Registered tcp transport module.
[    0.340597] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.341360] Could not remap bcsr
[    0.344557] genirq: Setting trigger mode 3 for irq 45 failed (uic_set_irq_type+0x0/0x160)
[    0.347390] futex hash table entries: 256 (order: 0, 7168 bytes)
[    0.357568] ntfs: driver 2.1.32 [Flags: R/W].
[    0.358144] fuse init (API version 7.23)
[    0.362340] async_tx: api initialized (async)
[    0.362465] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    0.362503] io scheduler noop registered
[    0.362657] io scheduler cfq registered (default)
[    0.364648] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[    0.364677] crc32: self tests passed, processed 225944 bytes in 891710 nsec
[    0.365711] crc32c: CRC_LE_BITS = 64
[    0.365733] crc32c: self tests passed, processed 225944 bytes in 446662 nsec
[    0.432164] crc32_combine: 8373 self tests passed
[    0.498786] crc32c_combine: 8373 self tests passed
[    0.498853] glob: 64 self-tests passed, 0 failed
[    0.537119] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[    0.537917] console [ttyS0] disabled
[    0.558115] serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 22, base_baud = 691200) is a U6_16550A
[    1.492787] console [ttyS0] enabled
[    1.516911] serial8250.0: ttyS1 at MMIO 0x4ef600400 (irq = 23, base_baud = 691200) is a U6_16550A
[    1.526796] console [ttyS0] disabled
[    0.000000] Using Canyonlands machine description
[    0.000000] Initializing cgroup subsys cpu
[    0.000000] Linux version 4.4.0-rc5-Sam460ex (root@julian-VirtualBox) (gcc version 4.8.2 (Ubuntu 4.8.2-16ubuntu3) ) #1 PREEMPT Sat Dec 19 14:25:55 AST 2015
[    0.000000] Zone ranges:
[    0.000000]   DMA      [mem 0x0000000000000000-0x000000002fffffff]
[    0.000000]   Normal   empty
[    0.000000]   HighMem  [mem 0x0000000030000000-0x000000007fffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x000000007fffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000007fffffff]
[    0.000000] MMU: Allocated 1088 bytes of context maps for 255 contexts
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 522752
[    0.000000] Kernel command line: root=/dev/sda8 console=ttyS0,115200 console=tty1 dw_dmac_core.dyndbg dw_dmac.dyndbg
[    0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[    0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[    0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Sorting __ex_table...
[    0.000000] Memory: 2068868K/2097152K available (6732K kernel code, 332K rwdata, 3232K rodata, 236K init, 368K bss, 28284K reserved, 0K cma-reserved, 1310720K highmem)
[    0.000000] Kernel virtual memory layout:
[    0.000000]   * 0xfffcf000..0xfffff000  : fixmap
[    0.000000]   * 0xffc00000..0xffe00000  : highmem PTEs
[    0.000000]   * 0xffa00000..0xffc00000  : consistent mem
[    0.000000]   * 0xffa00000..0xffa00000  : early ioremap
[    0.000000]   * 0xf1000000..0xffa00000  : vmalloc & ioremap
[    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] Build-time adjustment of leaf fanout to 32.
[    0.000000] NR_IRQS:512 nr_irqs:512 16
[    0.000000] UIC0 (32 IRQ sources) at DCR 0xc0
[    0.000000] UIC1 (32 IRQ sources) at DCR 0xd0
[    0.000000] UIC2 (32 IRQ sources) at DCR 0xe0
[    0.000000] UIC3 (32 IRQ sources) at DCR 0xf0
[    0.000013] clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x10a60dda894, max_idle_ns: 440795207041 ns
[    0.000023] clocksource: timebase mult[dda520] shift[24] registered
[    0.000144] Console: colour dummy device 80x25
[    0.000712] console [tty1] enabled
[    0.000749] pid_max: default: 32768 minimum: 301
[    0.000859] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000886] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.004722] devtmpfs: initialized
[    0.007452] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.007891] xor: measuring software checksum speed
[    0.017379]    8regs     :   856.000 MB/sec
[    0.027386]    8regs_prefetch:   784.000 MB/sec
[    0.037420]    32regs    :  1120.000 MB/sec
[    0.047456]    32regs_prefetch:   996.000 MB/sec
[    0.047476] xor: using function: 32regs (1120.000 MB/sec)
[    0.047525] prandom: seed boundary self test passed
[    0.049987] prandom: 100 self tests passed
[    0.050597] NET: Registered protocol family 16
[    0.053577] cpuidle: using governor ladder
[    0.056611] cpuidle: using governor menu
[    0.057024] 256k L2-cache enabled
[    0.057143] PCIE0: Port disabled via device-tree
[    0.057205] PCIE1: Checking link...
[    0.057222] PCIE1: Device detected, waiting for link...
[    0.057241] PCIE1: link is up !
[    0.159445] PCI host bridge /plb/pciex@d20000000 (primary) ranges:
[    0.159496]  MEM 0x0000000e80000000..0x0000000effffffff -> 0x0000000080000000 
[    0.159531]  MEM 0x0000000f00100000..0x0000000f001fffff -> 0x0000000000000000 
[    0.159563]   IO 0x0000000f80010000..0x0000000f8001ffff -> 0x0000000000000000
[    0.159602] 4xx PCI DMA offset set to 0x00000000
[    0.159620] 4xx PCI DMA window base to 0x0000000000000000
[    0.159638] DMA window size 0x0000000080000000
[    0.159674] PCIE1: successfully set as root-complex
[    0.159750] PCI host bridge /plb/pci@c0ec00000 (primary) ranges:
[    0.159779]  MEM 0x0000000d80000000..0x0000000dffffffff -> 0x0000000080000000 
[    0.159814]  MEM 0x0000000c0ee00000..0x0000000c0eefffff -> 0x0000000000000000 
[    0.159845]   IO 0x0000000c08000000..0x0000000c0800ffff -> 0x0000000000000000
[    0.159875] 4xx PCI DMA offset set to 0x00000000
[    0.159892] 4xx PCI DMA window base to 0x0000000000000000
[    0.159911] DMA window size 0x0000000080000000
[    0.160397] PCI: Probing PCI hardware
[    0.160515] PCI host bridge to bus 0000:80
[    0.160545] pci_bus 0000:80: root bus resource [io  0xfffe0000-0xfffeffff] (bus address [0x0000-0xffff])
[    0.160583] pci_bus 0000:80: root bus resource [mem 0xe80000000-0xeffffffff] (bus address [0x80000000-0xffffffff])
[    0.160620] pci_bus 0000:80: root bus resource [mem 0xf00100000-0xf001fffff] (bus address [0x00000000-0x000fffff])
[    0.160659] pci_bus 0000:80: root bus resource [bus 80-ff]
[    0.160795] PCI: Hiding 4xx host bridge resources 0000:80:00.0
[    0.161683] pci 0000:80:00.0: PCI bridge to [bus 81-bf]
[    0.161913] PCI host bridge to bus 0001:00
[    0.161939] pci_bus 0001:00: root bus resource [io  0x0000-0xffff]
[    0.161965] pci_bus 0001:00: root bus resource [mem 0xd80000000-0xdffffffff] (bus address [0x80000000-0xffffffff])
[    0.162018] pci_bus 0001:00: root bus resource [mem 0xc0ee00000-0xc0eefffff] (bus address [0x00000000-0x000fffff])
[    0.162057] pci_bus 0001:00: root bus resource [bus 00-ff]
[    0.162684] pci 0000:80:00.0: BAR 9: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.162727] pci 0000:80:00.0: BAR 8: assigned [mem 0xe90000000-0xe900fffff]
[    0.162752] pci 0000:80:00.0: BAR 7: assigned [io  0xfffe1000-0xfffe1fff]
[    0.162783] pci 0000:81:00.0: BAR 0: assigned [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.162826] pci 0000:81:00.0: BAR 2: assigned [mem 0xe90000000-0xe9003ffff 64bit]
[    0.162865] pci 0000:81:00.0: BAR 6: assigned [mem 0xe90040000-0xe9005ffff pref]
[    0.162899] pci 0000:81:00.1: BAR 0: assigned [mem 0xe90060000-0xe90063fff 64bit]
[    0.162937] pci 0000:81:00.0: BAR 4: assigned [io  0xfffe1000-0xfffe10ff]
[    0.162965] pci 0000:80:00.0: PCI bridge to [bus 81-bf]
[    0.162989] pci 0000:80:00.0:   bridge window [io  0xfffe1000-0xfffe1fff]
[    0.163035] pci 0000:80:00.0:   bridge window [mem 0xe90000000-0xe900fffff]
[    0.163063] pci 0000:80:00.0:   bridge window [mem 0xe80000000-0xe8fffffff 64bit pref]
[    0.163166] pci 0001:00:06.0: BAR 0: assigned [mem 0xd80000000-0xd83ffffff]
[    0.163197] pci 0001:00:06.0: BAR 1: assigned [mem 0xd84000000-0xd841fffff]
[    0.163225] pci 0001:00:04.0: BAR 6: assigned [mem 0xd84200000-0xd8427ffff pref]
[    0.163257] pci 0001:00:04.0: BAR 5: assigned [mem 0xd84280000-0xd842801ff]
[    0.163284] pci 0001:00:04.0: BAR 4: assigned [io  0x1000-0x100f]
[    0.163310] pci 0001:00:04.0: BAR 0: assigned [io  0x1010-0x1017]
[    0.163335] pci 0001:00:04.0: BAR 2: assigned [io  0x1018-0x101f]
[    0.163361] pci 0001:00:04.0: BAR 1: assigned [io  0x1020-0x1023]
[    0.163386] pci 0001:00:04.0: BAR 3: assigned [io  0x1024-0x1027]
[    0.190311] raid6: int32x1  gen()   300 MB/s
[    0.207465] raid6: int32x1  xor()   173 MB/s
[    0.224491] raid6: int32x2  gen()   433 MB/s
[    0.241540] raid6: int32x2  xor()   240 MB/s
[    0.258633] raid6: int32x4  gen()   476 MB/s
[    0.275712] raid6: int32x4  xor()   267 MB/s
[    0.292769] raid6: int32x8  gen()   234 MB/s
[    0.309941] raid6: int32x8  xor()   218 MB/s
[    0.309965] raid6: using algorithm int32x4 gen() 476 MB/s
[    0.309984] raid6: .... xor() 267 MB/s, rmw enabled
[    0.310003] raid6: using intx1 recovery algorithm
[    0.310317] vgaarb: device added: PCI:0000:81:00.0,decodes=io+mem,owns=none,locks=none
[    0.310361] vgaarb: loaded
[    0.310376] vgaarb: bridge control possible 0000:81:00.0
[    0.310654] SCSI subsystem initialized
[    0.311053] usbcore: registered new interface driver usbfs
[    0.311124] usbcore: registered new interface driver hub
[    0.311189] usbcore: registered new device driver usb
[    0.311301] pps_core: LinuxPPS API ver. 1 registered
[    0.311321] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.311372] PTP clock support registered
[    0.311531] EDAC MC: Ver: 3.0.0
[    0.311931] Advanced Linux Sound Architecture Driver Initialized.
[    0.331842] DMA-API: preallocated 65536 debug entries
[    0.331884] DMA-API: debugging enabled by kernel config
[    0.331942] clocksource: Switched to clocksource timebase
[    0.338558] NET: Registered protocol family 2
[    0.339172] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[    0.339292] TCP bind hash table entries: 8192 (order: 5, 163840 bytes)
[    0.339616] TCP: Hash tables configured (established 8192 bind 8192)
[    0.339750] UDP hash table entries: 512 (order: 2, 24576 bytes)
[    0.339832] UDP-Lite hash table entries: 512 (order: 2, 24576 bytes)
[    0.340194] NET: Registered protocol family 1
[    0.340530] RPC: Registered named UNIX socket transport module.
[    0.340561] RPC: Registered udp transport module.
[    0.340579] RPC: Registered tcp transport module.
[    0.340597] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.341360] Could not remap bcsr
[    0.344557] genirq: Setting trigger mode 3 for irq 45 failed (uic_set_irq_type+0x0/0x160)
[    0.347390] futex hash table entries: 256 (order: 0, 7168 bytes)
[    0.357568] ntfs: driver 2.1.32 [Flags: R/W].
[    0.358144] fuse init (API version 7.23)
[    0.362340] async_tx: api initialized (async)
[    0.362465] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251)
[    0.362503] io scheduler noop registered
[    0.362657] io scheduler cfq registered (default)
[    0.364648] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[    0.364677] crc32: self tests passed, processed 225944 bytes in 891710 nsec
[    0.365711] crc32c: CRC_LE_BITS = 64
[    0.365733] crc32c: self tests passed, processed 225944 bytes in 446662 nsec
[    0.432164] crc32_combine: 8373 self tests passed
[    0.498786] crc32c_combine: 8373 self tests passed
[    0.498853] glob: 64 self-tests passed, 0 failed
[    0.537119] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[    0.537917] console [ttyS0] disabled
[    0.558115] serial8250.0: ttyS0 at MMIO 0x4ef600300 (irq = 22, base_baud = 691200) is a U6_16550A
[    1.492787] console [ttyS0] enabled
[    1.516911] serial8250.0: ttyS1 at MMIO 0x4ef600400 (irq = 23, base_baud = 691200) is a U6_16550A
[    1.526796] console [ttyS0] disabled
[    1.530484] 4ef600300.serial: ttyS0 at MMIO 0x4ef600300 (irq = 22, base_baud = 691200) is a 16550
[    2.489954] console [ttyS0] enabled
[    2.494119] 4ef600400.serial: ttyS1 at MMIO 0x4ef600400 (irq = 23, base_baud = 691200) is a 16550
[    2.503487] Generic non-volatile memory driver v1.1
[    2.508673] [drm] Initialized drm 1.1.0 20060810
[    2.513408] [drm] radeon kernel modesetting enabled.
[    2.519148] [drm] initializing kernel modesetting (VERDE 0x1002:0x683F 0x1545:0x7750).
[    2.527166] [drm] register mmio base: 0xe90000000
[    2.531913] [drm] register mmio size: 262144
[    2.867988] ATOM BIOS: C44501
[    2.871252] radeon 0000:81:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M used)
[    2.880177] radeon 0000:81:00.0: GTT: 2048M 0x0000000040000000 - 0x00000000BFFFFFFF
[    2.887863] [drm] Detected VRAM RAM=1024M, BAR=256M
[    2.892757] [drm] RAM width 128bits DDR
[    2.896796] [TTM] Zone  kernel: Available graphics memory: 379074 kiB
[    2.903284] [TTM] Zone highmem: Available graphics memory: 1034434 kiB
[    2.909836] [TTM] Initializing pool allocator
[    2.914306] [drm] radeon: 1024M of VRAM memory ready
[    2.919314] [drm] radeon: 2048M of GTT memory ready.
[    2.924368] [drm] Loading verde Microcode
[    2.928434] [drm] Internal thermal controller with fan control
[    2.934512] [drm] probing gen 2 caps for device aaa1:bed1 = 18cc41/0
[    2.988191] [drm] radeon: dpm initialized
[    2.992443] radeon 0000:81:00.0: Direct firmware load for radeon/TAHITI_vce.bin failed with error -2
[    3.001666] radeon 0000:81:00.0: radeon_vce: Can't load firmware "radeon/TAHITI_vce.bin"
[    3.009844] [drm] GART: num cpu pages 524288, num gpu pages 524288
[    3.026592] [drm] probing gen 2 caps for device aaa1:bed1 = 18cc41/0
[    3.096671] [drm] PCIE GART of 2048M enabled (table at 0x0000000000277000).
[    3.104050] radeon 0000:81:00.0: WB enabled
[    3.108278] radeon 0000:81:00.0: fence driver on ring 0 use gpu addr 0x0000000040000c00 and cpu addr 0xedccec00
[    3.118404] radeon 0000:81:00.0: fence driver on ring 1 use gpu addr 0x0000000040000c04 and cpu addr 0xedccec04
[    3.128525] radeon 0000:81:00.0: fence driver on ring 2 use gpu addr 0x0000000040000c08 and cpu addr 0xedccec08
[    3.138647] radeon 0000:81:00.0: fence driver on ring 3 use gpu addr 0x0000000040000c0c and cpu addr 0xedccec0c
[    3.148768] radeon 0000:81:00.0: fence driver on ring 4 use gpu addr 0x0000000040000c10 and cpu addr 0xedccec10
[    3.189308] radeon 0000:81:00.0: fence driver on ring 5 use gpu addr 0x0000000000075a18 and cpu addr 0xf5135a18
[    3.199454] radeon 0000:81:00.0: VCE init error (-22).
[    3.204623] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    3.211269] [drm] Driver supports precise vblank timestamp query.
[    3.217389] radeon 0000:81:00.0: radeon: MSI limited to 32-bit
[    3.223320] genirq: Setting trigger mode 3 for irq 45 failed (uic_set_irq_type+0x0/0x160)
[    3.231596] radeon 0000:81:00.0: radeon: using MSI.
[    3.236556] [drm] radeon: irq initialized.
[    3.994859] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed (scratch(0x850C)=0xCAFEDEAD)
[    4.003713] radeon 0000:81:00.0: disabling GPU acceleration
[    4.212268] [drm] Radeon Display Connectors
[    4.216549] [drm] Connector 0:
[    4.219649] [drm]   HDMI-A-1
[    4.222555] [drm]   HPD4
[    4.225112] [drm]   DDC: 0x6570 0x6570 0x6574 0x6574 0x6578 0x6578 0x657c 0x657c
[    4.232531] [drm]   Encoders:
[    4.235517] [drm]     DFP1: INTERNAL_UNIPHY2
[    4.239805] [drm] Connector 1:
[    4.242877] [drm]   DVI-I-1
[    4.245690] [drm]   HPD2
[    4.248246] [drm]   DDC: 0x6560 0x6560 0x6564 0x6564 0x6568 0x6568 0x656c 0x656c
[    4.255663] [drm]   Encoders:
[    4.258650] [drm]     DFP2: INTERNAL_UNIPHY
[    4.262852] [drm]     CRT1: INTERNAL_KLDSCP_DAC1
[    4.379931] [drm] fb mappable at 0x80678000
[    4.384155] [drm] vram apper at 0x80000000
[    4.388268] [drm] size 8294400
[    4.391342] [drm] fb depth is 24
[    4.394588] [drm]    pitch is 7680
[    4.672176] Console: switching to colour frame buffer device 240x67
[    4.750398] radeon 0000:81:00.0: fb0: radeondrmfb frame buffer device
[    4.760008] [drm] Initialized radeon 2.43.0 20080528 for 0000:81:00.0 on minor 0
[    4.777246] brd: module loaded
[    4.784997] loop: module loaded
[    4.788683] sata_sil 0001:00:04.0: Applying R_ERR on DMA activate FIS errata fix
[    4.797149] scsi host0: sata_sil
[    4.800896] scsi host1: sata_sil
[    4.804483] ata1: SATA max UDMA/100 mmio m512@0xd84280000 tf 0xd84280080 irq 21
[    4.812234] ata2: SATA max UDMA/100 mmio m512@0xd84280000 tf 0xd842800c0 irq 21
[    4.820585] PPC 4xx OCP EMAC driver, version 3.54
[    4.826158] MAL v2 /plb/mcmal, 2 TX channels, 16 RX channels
[    4.832370] ZMII /plb/opb/emac-zmii@ef600d00 initialized
[    4.838113] RGMII /plb/opb/emac-rgmii@ef601500 initialized with MDIO support
[    4.845684] TAH /plb/opb/emac-tah@ef601350 initialized
[    4.851177] TAH /plb/opb/emac-tah@ef601450 initialized
[    4.856890] /plb/opb/emac-rgmii@ef601500: input 0 in RGMII mode
[    4.864367] eth0: EMAC-0 /plb/opb/ethernet@ef600e00, MAC 00:50:c2:80:d5:c5
[    4.871663] eth0: found Generic MII PHY (0x00)
[    4.876557] /plb/opb/emac-rgmii@ef601500: input 1 in RGMII mode
[    4.884012] eth1: EMAC-1 /plb/opb/ethernet@ef600f00, MAC 00:00:00:00:00:00
[    4.891302] eth1: found Generic MII PHY (0x01)
[    4.896062] PPP generic driver version 2.4.2
[    4.900761] PPP BSD Compression module registered
[    4.905762] PPP Deflate Compression module registered
[    4.911120] NET: Registered protocol family 24
[    4.916046] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    4.923119] ppc-of-ehci 4bffd0400.ehci: OF EHCI
[    4.928105] ppc-of-ehci 4bffd0400.ehci: new USB bus registered, assigned bus number 1
[    4.936964] ppc-of-ehci 4bffd0400.ehci: irq 31, io mem 0x4bffd0400
[    4.948963] ppc-of-ehci 4bffd0400.ehci: USB 2.0 started, EHCI 1.00
[    4.955692] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    4.962895] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    4.970533] usb usb1: Product: OF EHCI
[    4.974510] usb usb1: Manufacturer: Linux 4.4.0-rc5-Sam460ex ehci_hcd
[    4.981323] usb usb1: SerialNumber: PPC-OF USB
[    4.986434] hub 1-0:1.0: USB hub found
[    4.990478] hub 1-0:1.0: 1 port detected
[    5.008916] ehci-pci: EHCI PCI platform driver
[    5.027442] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    5.047810] ppc-of-ohci 4bffd0000.usb: OF OHCI
[    5.066389] ppc-of-ohci 4bffd0000.usb: new USB bus registered, assigned bus number 2
[    5.088409] ppc-of-ohci 4bffd0000.usb: irq 32, io mem 0x4bffd0000
[    5.149970] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[    5.205018] ata1.00: ATA-8: WDC WD5000AAKS-00V1A0, 05.01D05, max UDMA/133
[    5.244946] ata1.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 0/32)
[    5.295221] ata1.00: configured for UDMA/100
[    5.327957] usb 1-1: new high-speed USB device number 2 using ppc-of-ehci
[    5.366216] scsi 0:0:0:0: Direct-Access     ATA      WDC WD5000AAKS-0 1D05 PQ: 0 ANSI: 5
[    5.412147] sd 0:0:0:0: Attached scsi generic sg0 type 0
[    5.432841] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
[    5.476206] sd 0:0:0:0: [sda] Write Protect is off
[    5.517072] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    5.542158] usb 1-1: New USB device found, idVendor=0424, idProduct=2517
[    5.584951] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[    5.620404]  sda: RDSK (512) sda1 (DOS^G)(res 2 spb 1) sda2 (SFS^@)(res 2 spb 1) sda3 (SFS^@)(res 2 spb 1) sda4 (SFS^@)(res 2 spb 1) sda5 (SFS^@)(res 2 spb 1) sda6 (SFS^@)(res 2 spb 1) sda7 (NTFS)(res 2 spb 2) sda8 (EXT^C)(res 2 spb 1)
[    5.673046] hub 1-1:1.0: USB hub found
[    5.713974] hub 1-1:1.0: 7 ports detected
[    5.740586] sd 0:0:0:0: [sda] Attached SCSI disk
[    5.797971] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[    5.862084] ata2.00: ATAPI: ASUS    DRW-24B3ST   i, 1.00, max UDMA/100
[    5.915067] ata2.00: configured for UDMA/100
[    5.966291] scsi 1:0:0:0: CD-ROM            ASUS     DRW-24B3ST   i   1.00 PQ: 0 ANSI: 5
[    6.045416] sr 1:0:0:0: [sr0] scsi3-mmc drive: 48x/48x writer dvd-ram cd/rw xa/form2 cdda tray
[    6.072004] usb 1-1.1: new high-speed USB device number 3 using ppc-of-ehci
[    6.120963] cdrom: Uniform CD-ROM driver Revision: 3.20
[    6.168804] sr 1:0:0:0: Attached scsi generic sg1 type 5
[    6.207627] usb 1-1.1: New USB device found, idVendor=1a40, idProduct=0101
[    6.234663] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    6.259920] usb 1-1.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    6.285565] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    6.311367] usb 1-1.1: Product: USB 2.0 Hub
[    6.333945] usb usb2: Product: OF OHCI
[    6.356279] usb usb2: Manufacturer: Linux 4.4.0-rc5-Sam460ex ohci_hcd
[    6.381296] hub 1-1.1:1.0: USB hub found
[    6.403487] usb usb2: SerialNumber: PPC-OF USB
[    6.426252] hub 1-1.1:1.0: 4 ports detected
[    6.449129] hub 2-0:1.0: USB hub found
[    6.471142] hub 2-0:1.0: 1 port detected
[    6.493637] ohci-pci: OHCI PCI platform driver
[    6.516516] usbcore: registered new interface driver usblp
[    6.540181] usbcore: registered new interface driver usb-storage
[    6.564182] usbcore: registered new interface driver usbserial
[    6.587598] usbcore: registered new interface driver usbserial_generic
[    6.611586] usbserial: USB Serial support registered for generic
[    6.635634] mousedev: PS/2 mouse device common for all mice
[    6.658820] usb 1-1.2: new low-speed USB device number 4 using ppc-of-ehci
[    6.683462] i2c /dev entries driver
[    6.707001] rtc-m41t80 8-0068: rtc core: registered m41t80 as rtc0
[    6.731898] ibm-iic 4ef600700.i2c: using standard (100 kHz) mode
[    6.755876] ibm-iic 4ef600800.i2c: using standard (100 kHz) mode
[    6.779566] md: linear personality registered for level -1
[    6.802743] md: raid0 personality registered for level 0
[    6.825602] md: raid1 personality registered for level 1
[    6.848254] md: raid10 personality registered for level 10
[    6.871203] md: raid6 personality registered for level 6
[    6.893795] md: raid5 personality registered for level 5
[    6.916250] md: raid4 personality registered for level 4
[    6.938994] device-mapper: ioctl: 4.34.0-ioctl (2015-10-28) initialised: dm-devel@redhat.com
[    6.965000] EDAC PPC4xx MC: v1.0.0
[    6.985796] EDAC PPC4xx MC: Reporting type: interrupt
[    7.008501] hidraw: raw HID events driver (C) Jiri Kosina
[    7.031236] usb 1-1.2: New USB device found, idVendor=04f2, idProduct=0116
[    7.056117] usbcore: registered new interface driver usbhid
[    7.079177] usb 1-1.1.1: new full-speed USB device number 5 using ppc-of-ehci
[    7.103874] usb 1-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    7.128754] usbhid: USB HID core driver
[    7.150544] usbcore: registered new interface driver snd-usb-audio
[    7.174386] usb 1-1.2: Product: USB Keyboard
[    7.196169] usb 1-1.2: Manufacturer: CHICONY
[    7.217767] usbcore: registered new interface driver snd-ua101
[    7.241275] usbcore: registered new interface driver snd-usb-usx2y
[    7.264985] ipip: IPv4 over IPv4 tunneling driver
[    7.287361] Initializing XFRM netlink socket
[    7.310406] input: CHICONY USB Keyboard as /devices/platform/plb/4bffd0400.ehci/usb1/1-1/1-1.2/1-1.2:1.0/0003:04F2:0116.0001/input/input0
[    7.341527] NET: Registered protocol family 10
[    7.363506] usb 1-1.1.1: New USB device found, idVendor=0d8c, idProduct=000c
[    7.388596] sit: IPv6 over IPv4 tunneling driver
[    7.409658] usb 1-1.1.1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    7.434390] NET: Registered protocol family 17
[    7.455542] NET: Registered protocol family 15
[    7.476716] hid-generic 0003:04F2:0116.0001: input,hidraw0: USB HID v1.10 Keyboard [CHICONY USB Keyboard] on usb-PPC-OF USB-1.2/input0
[    7.505967] usb 1-1.1.1: Product: C-Media USB Audio Device   
[    7.532414] Key type encrypted registered
[    7.555617] rtc-m41t80 8-0068: setting system clock to 2015-12-19 14:44:56 UTC (1450536296)
[    7.581487] ALSA device list:
[    7.601317]   No soundcards found.
[    7.621469] usb 1-1.6: new full-speed USB device number 6 using ppc-of-ehci
[    7.663014] input: C-Media USB Audio Device    as /devices/platform/plb/4bffd0400.ehci/usb1/1-1/1-1.1/1-1.1.1/1-1.1.1:1.3/0003:0D8C:000C.0002/input/input1
[    7.745229] hid-generic 0003:0D8C:000C.0002: input,hidraw1: USB HID v1.00 Device [C-Media USB Audio Device   ] on usb-PPC-OF USB-1.1.1/input3
[    7.776204] md: Waiting for all devices to be available before autodetect
[    7.801075] md: If you don't use raid, use raid=noautodetect
[    7.825267] md: Autodetecting RAID arrays.
[    7.847145] md: Scanned 0 and added 0 devices.
[    7.869366] md: autorun ...
[    7.889749] md: ... autorun DONE.
[    7.913439] usb 1-1.6: New USB device found, idVendor=046d, idProduct=c52b
[    7.938157] EXT4-fs (sda8): mounting ext3 file system using the ext4 subsystem
[    7.963391] usb 1-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[    7.989049] usb 1-1.6: Product: USB Receiver
[    8.011633] usb 1-1.6: Manufacturer: Logitech
[    8.034449] EXT4-fs (sda8): INFO: recovery required on readonly filesystem
[    8.059985] EXT4-fs (sda8): write access will be enabled during recovery
[    8.088434] input: Logitech USB Receiver as /devices/platform/plb/4bffd0400.ehci/usb1/1-1/1-1.6/1-1.6:1.0/0003:046D:C52B.0003/input/input2
[    8.171295] hid-generic 0003:046D:C52B.0003: input,hidraw2: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-PPC-OF USB-1.6/input0
[    8.209081] input: Logitech USB Receiver as /devices/platform/plb/4bffd0400.ehci/usb1/1-1/1-1.6/1-1.6:1.1/0003:046D:C52B.0004/input/input3
[    8.259216] EXT4-fs (sda8): recovery complete
[    8.292334] hid-generic 0003:046D:C52B.0004: input,hidraw3: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-PPC-OF USB-1.6/input1
[    8.325075] EXT4-fs (sda8): mounted filesystem with ordered data mode. Opts: (null)
[    8.353890] VFS: Mounted root (ext3 filesystem) readonly on device 8:8.
[    8.386332] hid-generic 0003:046D:C52B.0005: hidraw4: USB HID v1.11 Device [Logitech USB Receiver] on usb-PPC-OF USB-1.6/input2
[    8.441310] devtmpfs: mounted
[    8.466464] Freeing unused kernel memory: 236K (c09be000 - c09f9000)
[    8.516992] usb 1-1.7: new high-speed USB device number 7 using ppc-of-ehci
[    8.637540] usb 1-1.7: New USB device found, idVendor=0424, idProduct=2240
[    8.666661] usb 1-1.7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    8.696348] usb 1-1.7: Product: Ultra Fast Media 
[    8.723062] usb 1-1.7: Manufacturer: Generic
[    8.749519] usb 1-1.7: SerialNumber: 000000225001
[    8.778007] usb-storage 1-1.7:1.0: USB Mass Storage device detected
[    8.807176] scsi host2: usb-storage 1-1.7:1.0
[    8.896160] random: nonblocking pool is initialized
[    9.771882] systemd[1]: Failed to insert module 'kdbus': Function not implemented
[    9.834197] scsi 2:0:0:0: Direct-Access     Generic  Ultra HS-COMBO   1.98 PQ: 0 ANSI: 0
[    9.866400] sd 2:0:0:0: Attached scsi generic sg2 type 0
[    9.895894] sd 2:0:0:0: [sdb] Attached SCSI removable disk
[    9.948896] systemd[1]: systemd 228 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN)
[    9.990635] systemd[1]: Detected architecture ppc.
[   10.114170] systemd[1]: Set hostname to <Sam460ex>.
[   10.430027] systemd-fstab-generator[118]: Mount point  is not a valid path, ignoring.
[   10.540161] systemd[112]: /lib/systemd/system-generators/systemd-fstab-generator terminated by signal ABRT.
[   11.573296] systemd[1]: Listening on udev Kernel Socket.
[   11.626202] systemd[1]: Reached target Swap.
[   11.737606] systemd[1]: Listening on udev Control Socket.
[   11.788878] systemd[1]: Listening on Syslog Socket.
[   11.839318] systemd[1]: Listening on Journal Socket.
[   11.889173] systemd[1]: Listening on Journal Socket (/dev/log).
[   11.939675] systemd[1]: Listening on fsck to fsckd communication Socket.
[   11.991072] systemd[1]: Reached target User and Group Name Lookups.
[   12.041786] systemd[1]: Reached target Remote File Systems (Pre).
[   12.090896] systemd[1]: Reached target Remote File Systems.
[   12.140111] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[   12.194126] systemd[1]: Created slice System Slice.
[   12.251816] systemd[1]: Mounting POSIX Message Queue File System...
[   12.313016] systemd[1]: Created slice system-getty.slice.
[   12.367311] systemd[1]: Mounting Debug File System...
[   12.444114] systemd[1]: Starting Load Kernel Modules...
[   12.499363] systemd[1]: Started Read required files in advance.
[   12.561905] systemd[1]: Reached target Encrypted Volumes.
[   12.621171] systemd[1]: Starting Create list of required static device nodes for the current kernel...
[   12.683372] systemd[1]: Starting Uncomplicated firewall...
[   12.738039] systemd[1]: Starting Journal Service...
[   12.789812] systemd[1]: Created slice system-serial\x2dgetty.slice.
[   12.860133] systemd[1]: Created slice User and Session Slice.
[   12.909170] systemd[1]: Reached target Slices.
[   12.960588] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[   13.018690] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[   13.073877] systemd[1]: Mounted Debug File System.
[   13.122813] systemd[1]: Mounted POSIX Message Queue File System.
[   13.173066] systemd[1]: systemd-modules-load.service: Main process exited, code=exited, status=1/FAILURE
[   13.204691] systemd[1]: Failed to start Load Kernel Modules.
[   13.279254] systemd[1]: systemd-modules-load.service: Unit entered failed state.
[   13.307514] systemd[1]: systemd-modules-load.service: Failed with result 'exit-code'.
[   13.337076] systemd[1]: Started Create list of required static device nodes for the current kernel.
[   13.391116] systemd[1]: Started Uncomplicated firewall.
[   13.515688] systemd[1]: Starting Create Static Device Nodes in /dev...
[   13.576034] systemd[1]: Mounting FUSE Control File System...
[   13.678518] systemd[1]: Mounting Configuration File System...
[   13.826185] systemd[1]: Starting Apply Kernel Variables...
[   13.941289] systemd[1]: Mounted FUSE Control File System.
[   14.019401] systemd[1]: Mounted Configuration File System.
[   18.066162] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   18.140281] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   18.201170] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   48.749032] ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x6 frozen
[   48.773172] ata3.00: failed command: READ FPDMA QUEUED
[   48.794325] ata3.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
[   48.794325]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   48.841107] ata3.00: status: { DRDY }
[   49.170183] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   49.213882] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   49.246675] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   79.725042] ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x6 frozen
[   79.750800] ata3.00: failed command: READ FPDMA QUEUED
[   79.773537] ata3.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 ncq 4096 in
[   79.773537]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[   79.823712] ata3.00: status: { DRDY }
[   80.155178] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   80.200724] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[   80.236592] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  110.765053] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  110.796325] ata3.00: failed command: READ DMA
[  110.820037] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  110.820037]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  110.874532] ata3.00: status: { DRDY }
[  111.208179] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  111.255494] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  111.290174] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  141.805055] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  141.834436] ata3.00: failed command: READ DMA
[  141.859342] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  141.859342]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  141.917879] ata3.00: status: { DRDY }
[  142.252179] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  142.301168] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  142.337181] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL

Ubuntu Xenial Xerus (development branch) Sam460ex ttyS0

Sam460ex login: [  172.781021] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  172.797974] ata3.00: failed command: READ DMA
[  172.810916] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  172.810916]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  172.842254] ata3.00: status: { DRDY }
[  173.166111] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  173.194004] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  173.226119] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  203.756840] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  203.772759] ata3.00: failed command: READ DMA
[  203.782755] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  203.782755]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  203.813751] ata3.00: status: { DRDY }
[  204.133166] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  204.156842] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  204.187917] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  204.213926] blk_update_request: I/O error, dev sdc, sector 0
[  204.232756] Buffer I/O error on dev sdc, logical block 0, async page read
[  234.732616] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  234.743829] ata3.00: failed command: READ DMA
[  234.750115] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  234.750115]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  234.772174] ata3.00: status: { DRDY }
[  235.091981] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  235.115781] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  235.148746] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  265.772472] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  265.786863] ata3.00: failed command: READ DMA
[  265.793886] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  265.793886]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  265.811814] ata3.00: status: { DRDY }
[  266.126563] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  266.142484] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  266.165588] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  296.812257] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  296.822343] ata3.00: failed command: READ DMA
[  296.826779] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  296.826779]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  296.842395] ata3.00: status: { DRDY }
[  297.166402] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  297.193327] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  297.218386] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  328.044081] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[  328.054177] ata3.00: failed command: READ DMA
[  328.058614] ata3.00: cmd c8/00:08:00:00:00/00:00:00:00:00/e0 tag 0 dma 4096 in
[  328.058614]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  328.074088] ata3.00: status: { DRDY }
[  328.397217] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  328.418136] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL
[  328.439213] sata-dwc 4bffd1000.sata: sata_dwc_qc_prep_by_tag: dma_dwc_xfer_setup returns NULL