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From: Christian Zigotzky <chzigotzky@xenosoft.de>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-arch@vger.kernel.org,
	Darren Stevens <darren@stevens-zone.net>,
	linux-kernel@vger.kernel.org, Julian Margetson <runaway@candw.ms>,
	linux-mm@kvack.org, iommu@lists.linux-foundation.org,
	Paul Mackerras <paulus@samba.org>,
	Olof Johansson <olof@lixom.net>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: use generic DMA mapping code in powerpc V4
Date: Thu, 31 Jan 2019 13:48:26 +0100
Message-ID: <96762cd2-65fc-bce5-8c5b-c03bc3baf0a1@xenosoft.de> (raw)
In-Reply-To: <F4AB3D9A-97EC-45D7-9061-A750D0934C3C@xenosoft.de>

Hi Christoph,

I compiled kernels for the X5000 and X1000 from your branch 
'powerpc-dma.6' today.

Gitweb: 
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6

git clone git://git.infradead.org/users/hch/misc.git -b powerpc-dma.6 a

The X1000 and X5000 boot but unfortunately the P.A. Semi Ethernet 
doesn't work.

Error messages (X1000):

[   17.371736] pci 0000:00:1a.0: overflow 0x00000002691bf802+1646 of DMA 
mask ffffffff bus mask 0
[   17.371760] WARNING: CPU: 0 PID: 2496 at kernel/dma/direct.c:43 
.dma_direct_map_page+0x11c/0x200
[   17.371762] Modules linked in:
[   17.371769] CPU: 0 PID: 2496 Comm: NetworkManager Not tainted 
5.0.0-rc4-3_A-EON_AmigaOne_X1000_Nemo-54580-g8d7a724-dirty #2
[   17.371772] NIP:  c00000000010395c LR: c000000000103a30 CTR: 
c000000000726f70
[   17.371775] REGS: c00000026900e9a0 TRAP: 0700   Not tainted 
(5.0.0-rc4-3_A-EON_AmigaOne_X1000_Nemo-54580-g8d7a724-dirty)
[   17.371777] MSR:  9000000000029032 <SF,HV,EE,ME,IR,DR,RI> CR: 
24002222  XER: 20000000
[   17.371786] IRQMASK: 0
                GPR00: c000000000103a30 c00000026900ec30 
c000000001923f00 0000000000000052
                GPR04: c00000026f206778 c00000026f20d458 
0000000000000000 0000000000000346
                GPR08: 0000000000000007 0000000000000000 
0000000000000000 0000000000000010
                GPR12: 0000000022002444 c000000001b10000 
0000000000000000 0000000000000000
                GPR16: 0000000010382410 0000000000000000 
0000000000000000 c00000026bd9d820
                GPR20: 0000000000000000 c00000026919c000 
0000000000000000 0000000000000000
                GPR24: 0000000000000800 c000000269190000 
c0000002692a4180 c000000269190000
                GPR28: c000000277ada1c8 000000000000066e 
c00000026d3c68b0 0000000000000802
[   17.371823] NIP [c00000000010395c] .dma_direct_map_page+0x11c/0x200
[   17.371827] LR [c000000000103a30] .dma_direct_map_page+0x1f0/0x200
[   17.371829] Call Trace:
[   17.371833] [c00000026900ec30] [c000000000103a30] 
.dma_direct_map_page+0x1f0/0x200 (unreliable)
[   17.371840] [c00000026900ecd0] [c00000000099b7ec] 
.pasemi_mac_replenish_rx_ring+0x12c/0x2a0
[   17.371846] [c00000026900eda0] [c00000000099dc64] 
.pasemi_mac_open+0x384/0x7c0
[   17.371853] [c00000026900ee40] [c000000000c6f484] .__dev_open+0x134/0x1e0
[   17.371858] [c00000026900eee0] [c000000000c6f9ec] 
.__dev_change_flags+0x1bc/0x210
[   17.371863] [c00000026900ef90] [c000000000c6fa88] 
.dev_change_flags+0x48/0xa0
[   17.371869] [c00000026900f030] [c000000000c8c88c] .do_setlink+0x3dc/0xf60
[   17.371875] [c00000026900f1b0] [c000000000c8dd84] 
.__rtnl_newlink+0x5e4/0x900
[   17.371880] [c00000026900f5f0] [c000000000c8e10c] .rtnl_newlink+0x6c/0xb0
[   17.371885] [c00000026900f680] [c000000000c89838] 
.rtnetlink_rcv_msg+0x2e8/0x3d0
[   17.371891] [c00000026900f760] [c000000000cc0f90] 
.netlink_rcv_skb+0x120/0x170
[   17.371896] [c00000026900f820] [c000000000c87318] 
.rtnetlink_rcv+0x28/0x40
[   17.371901] [c00000026900f8a0] [c000000000cc03f8] 
.netlink_unicast+0x208/0x2f0
[   17.371906] [c00000026900f950] [c000000000cc09a8] 
.netlink_sendmsg+0x348/0x460
[   17.371911] [c00000026900fa30] [c000000000c38774] .sock_sendmsg+0x44/0x70
[   17.371915] [c00000026900fab0] [c000000000c3a79c] 
.___sys_sendmsg+0x30c/0x320
[   17.371920] [c00000026900fca0] [c000000000c3c3b4] 
.__sys_sendmsg+0x74/0xf0
[   17.371926] [c00000026900fd90] [c000000000cb4da0] 
.__se_compat_sys_sendmsg+0x40/0x60
[   17.371932] [c00000026900fe20] [c00000000000a21c] system_call+0x5c/0x70
[   17.371934] Instruction dump:
[   17.371937] 60000000 f8610070 3d20ffff 6129fffe 79290020 e8e70000 
7fa74840 409d00b8
[   17.371946] 3d420001 892acb59 2f890000 419e00b8 <0fe00000> 382100a0 
3860ffff e8010010
[   17.371954] ---[ end trace a81f3c344f625f76 ]---
[   17.396654] IPv6: ADDRCONF(NETDEV_UP): enp0s20f3: link is not ready

--------

Additionally, Xorg doesn't start on a virtual e5500 QEMU machine 
anymore. I tested with the following QEMU command:

./qemu-system-ppc64 -M ppce500 -cpu e5500 -m 2048 -kernel 
/home/christian/Downloads/vmlinux-5.0-rc4-3-AmigaOne_X1000_X5000/X5000_and_QEMU_e5500/uImage-5.0 
-drive 
format=raw,file=/home/christian/Downloads/Fienix-Beta120418.img,index=0,if=virtio 
-nic user,model=e1000 -append "rw root=/dev/vda" -device virtio-vga 
-device virtio-mouse-pci -device virtio-keyboard-pci -usb -soundhw 
es1370 -smp 4

Cheers,
Christian


On 30 January 2019 at 05:40AM, Christian Zigotzky wrote:
> Hi Christoph,
>
> Thanks a lot for the updates. I will test the full branch tomorrow.
>
> Cheers,
> Christian
>
> Sent from my iPhone
>
>> On 29. Jan 2019, at 17:34, Christoph Hellwig <hch@lst.de> wrote:
>>
>>> On Tue, Jan 29, 2019 at 05:14:11PM +0100, Christoph Hellwig wrote:
>>>> On Tue, Jan 29, 2019 at 04:03:32PM +0100, Christian Zigotzky wrote:
>>>> Hi Christoph,
>>>>
>>>> I compiled kernels for the X5000 and X1000 from your new branch
>>>> 'powerpc-dma.6-debug.2' today. The kernels boot and the P.A. Semi Ethernet
>>>> works!
>>> Thanks for testing!  I'll prepare a new series that adds the other
>>> patches on top of this one.
>> And that was easier than I thought - we just had a few patches left
>> in powerpc-dma.6, so I've rebased that branch on top of
>> powerpc-dma.6-debug.2:
>>
>>     git://git.infradead.org/users/hch/misc.git powerpc-dma.6
>>
>> Gitweb:
>>
>>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/powerpc-dma.6
>>
>> I hope the other patches are simple enough, so just testing the full
>> branch checkout should be fine for now.



  reply index

Thread overview: 187+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14  8:22 Christoph Hellwig
2018-11-14  8:22 ` [PATCH 01/34] powerpc: use mm zones more sensibly Christoph Hellwig
2018-12-06 14:09   ` Christoph Hellwig
2018-12-07 12:18     ` Michael Ellerman
2018-12-07 14:09       ` Christoph Hellwig
2018-12-07 15:04         ` Christian Zigotzky
2018-11-14  8:22 ` [PATCH 02/34] powerpc: allow NOT_COHERENT_CACHE for amigaone Christoph Hellwig
2018-12-06 14:09   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 03/34] powerpc/dma: remove the unused ARCH_HAS_DMA_MMAP_COHERENT define Christoph Hellwig
2018-12-06 14:09   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 04/34] powerpc/dma: remove the unused ISA_DMA_THRESHOLD export Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 05/34] powerpc/dma: remove the unused dma_iommu_ops export Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 06/34] powerpc/dma: split the two __dma_alloc_coherent implementations Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 07/34] powerpc/dma: remove the no-op dma_nommu_unmap_{page, sg} routines Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 08/34] powerpc/dma: untangle vio_dma_mapping_ops from dma_iommu_ops Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 09/34] powerpc/dma: handle iommu bypass in dma_iommu_ops Christoph Hellwig
2018-11-14  8:22 ` [PATCH 10/34] powerpc/pseries: unwind dma_get_required_mask_pSeriesLP a bit Christoph Hellwig
2018-11-14  8:22 ` [PATCH 11/34] powerpc/pseries: use the generic iommu bypass code Christoph Hellwig
2018-11-14  8:22 ` [PATCH 12/34] powerpc/cell: move dma direct window setup out of dma_configure Christoph Hellwig
2018-12-09 10:23   ` Michael Ellerman
2018-12-12 14:36     ` Christoph Hellwig
2018-12-14 13:29       ` Michael Ellerman
2018-12-14 16:42         ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 13/34] powerpc/cell: use the generic iommu bypass code Christoph Hellwig
2018-11-14  8:22 ` [PATCH 14/34] powerpc/dart: remove dead cleanup code in iommu_init_early_dart Christoph Hellwig
2018-12-06 14:11   ` Christoph Hellwig
2018-11-14  8:22 ` [PATCH 15/34] powerpc/dart: use the generic iommu bypass code Christoph Hellwig
2018-11-14  8:22 ` [PATCH 16/34] powerpc/powernv: remove pnv_pci_ioda_pe_single_vendor Christoph Hellwig
2018-11-14  8:22 ` [PATCH 17/34] powerpc/powernv: remove pnv_npu_dma_set_mask Christoph Hellwig
2018-11-14  8:22 ` [PATCH 18/34] powerpc/powernv: use the generic iommu bypass code Christoph Hellwig
2018-11-14  8:22 ` [PATCH 19/34] cxl: drop the dma_set_mask callback from vphb Christoph Hellwig
2018-12-06 14:10   ` Christoph Hellwig
2018-11-14  8:23 ` [PATCH 20/34] powerpc/dma: stop overriding dma_get_required_mask Christoph Hellwig
2018-11-14  8:23 ` [PATCH 21/34] powerpc/pci: remove the dma_set_mask pci_controller ops methods Christoph Hellwig
2018-11-14  8:23 ` [PATCH 22/34] powerpc/dma: remove the iommu fallback for coherent allocations Christoph Hellwig
2018-11-14  8:23 ` [PATCH 23/34] powerpc/dma: remove get_pci_dma_ops Christoph Hellwig
2018-11-14  8:23 ` [PATCH 24/34] powerpc/dma: move pci_dma_dev_setup_swiotlb to fsl_pci.c Christoph Hellwig
2018-11-14  8:23 ` [PATCH 25/34] powerpc/dma: remove max_direct_dma_addr Christoph Hellwig
2018-11-14  8:23 ` [PATCH 26/34] powerpc/dma: fix an off-by-one in dma_capable Christoph Hellwig
2018-11-14  8:23 ` [PATCH 27/34] powerpc/fsl_pci: simplify fsl_pci_dma_set_mask Christoph Hellwig
2018-11-14  8:23 ` [PATCH 28/34] dma-mapping, powerpc: simplify the arch dma_set_mask override Christoph Hellwig
2018-11-14  8:23 ` [PATCH 29/34] powerpc/dma: use phys_to_dma instead of get_dma_offset Christoph Hellwig
2018-11-14  8:23 ` [PATCH 30/34] powerpc/dma: remove dma_nommu_mmap_coherent Christoph Hellwig
2018-11-14  8:23 ` [PATCH 31/34] powerpc/dma: use generic direct and swiotlb ops Christoph Hellwig
2018-11-14  8:23 ` [PATCH 32/34] powerpc/dma: remove get_dma_offset Christoph Hellwig
2018-11-14  8:23 ` [PATCH 33/34] powerpc/dma: remove set_dma_offset Christoph Hellwig
2018-11-14  8:23 ` [PATCH 34/34] powerpc/dma: trim the fat from <asm/dma-mapping.h> Christoph Hellwig
2018-11-27  7:42 ` use generic DMA mapping code in powerpc V4 Christoph Hellwig
2018-11-27 22:05   ` Benjamin Herrenschmidt
2018-11-28 11:05   ` Michael Ellerman
2018-11-28 15:55     ` Christian Zigotzky
2018-11-28 20:02       ` Christian Zigotzky
2018-11-28 20:35       ` Michal Suchánek
2018-11-29 17:03         ` Christoph Hellwig
2019-12-19 13:54       ` Christian Zigotzky
2018-11-29 12:05     ` Christian Zigotzky
2018-11-29 15:30       ` Christian Zigotzky
2018-11-29 17:03       ` Christoph Hellwig
2018-11-29 23:07         ` Christian Zigotzky
2018-11-30 10:53           ` Christoph Hellwig
2018-11-30 12:23             ` Christian Zigotzky
2018-11-30 13:10               ` Christoph Hellwig
2018-11-30 15:29                 ` Christian Zigotzky
2018-12-04  7:31                   ` Christian Zigotzky
2018-12-04  9:53                     ` Christian Zigotzky
2018-12-04 14:24                       ` Christoph Hellwig
2018-12-05  9:44                         ` Christian Zigotzky
2018-12-05 14:05                           ` Christoph Hellwig
2018-12-06 10:55                             ` Christian Zigotzky
2018-12-06 17:10                               ` Christian Zigotzky
2018-12-06 19:36                                 ` Christoph Hellwig
2018-12-07  7:48                                   ` Christian Zigotzky
2018-12-07 13:45                               ` Christian Zigotzky
2018-12-07 18:33                                 ` Christian Zigotzky
2018-12-08 10:29                                   ` Christian Zigotzky
2018-12-08 13:47                                     ` Christian Zigotzky
2018-12-09 14:20                                       ` Christian Zigotzky
2018-12-09 18:26                                         ` Christian Zigotzky
2018-12-10 15:54                                           ` Christian Zigotzky
2018-12-11 14:28                                             ` Christian Zigotzky
2018-12-11 18:17                                               ` Christian Zigotzky
2018-12-12  0:47                                                 ` Benjamin Herrenschmidt
2018-12-12  7:03                                                   ` Christian Zigotzky
2018-12-12 14:15                                                 ` Christoph Hellwig
2018-12-12 14:39                                                   ` Christian Zigotzky
2018-12-13  8:41                                                     ` Christian Zigotzky
2018-12-13  9:10                                                       ` Christoph Hellwig
2018-12-13  9:47                                                         ` Christian Zigotzky
2018-12-13 11:19                                                           ` Christian Zigotzky
2018-12-13 11:25                                                             ` Christoph Hellwig
2018-12-13 13:34                                                               ` Christian Zigotzky
2018-12-13 17:48                                                                 ` Christian Zigotzky
2018-12-13 21:53                                                                   ` Christian Zigotzky
2018-12-14 12:00                                                                     ` Christian Zigotzky
2018-12-14 16:45                                                                       ` Christoph Hellwig
2019-01-03  7:36                                                                       ` Christoph Hellwig
2019-01-03 19:26                                                                         ` Christian Zigotzky
2019-01-05 16:03                                                                           ` Christian Zigotzky
2019-01-09  9:31                                                                             ` Christian Zigotzky
2019-01-11  2:10                                                                               ` Christian Zigotzky
2019-01-12 18:14                                                                                 ` Christian Zigotzky
2019-01-15  8:07                                                                                   ` Christian Zigotzky
2019-01-15  8:49                                                                                     ` Christian Zigotzky
2019-01-15 10:55                                                                                       ` Christian Zigotzky
2019-01-15 13:35                                                                                         ` Christoph Hellwig
2019-01-15 13:56                                                                                           ` Christian Zigotzky
2019-01-15 15:17                                                                                             ` Christoph Hellwig
2019-01-17  9:21                                                                                               ` Christian Zigotzky
2019-01-17  9:31                                                                                                 ` Christoph Hellwig
2019-01-17  9:44                                                                                                   ` Christian Zigotzky
2019-01-18  8:35                                                                                                 ` Christoph Hellwig
2019-01-18 11:10                                                                                                   ` Christian Zigotzky
2019-01-18 11:28                                                                                                     ` Christoph Hellwig
2019-01-18 12:07                                                                                                       ` Christian Zigotzky
2019-01-18 12:18                                                                                                         ` Christoph Hellwig
2019-01-18 12:46                                                                                                           ` Christian Zigotzky
2019-01-18 12:55                                                                                                             ` Christoph Hellwig
2019-01-18 15:06                                                                                                               ` Christian Zigotzky
2019-01-19 11:40                                                                                                                 ` Christian Zigotzky
2019-01-19 11:52                                                                                                                   ` Christian Zigotzky
2019-01-19 13:02                                                                                                                     ` Christoph Hellwig
2019-01-19 14:04                                                                                                                       ` Christoph Hellwig
2019-01-21 14:38                                                                                                                         ` Christian Zigotzky
2019-01-23 14:34                                                                                                                           ` Christian Zigotzky
2019-01-25 13:37                                                                                                                             ` Christian Zigotzky
2019-01-27 13:13                                                                                                                               ` Christian Zigotzky
2019-01-28  7:04                                                                                                                                 ` Christoph Hellwig
2019-01-28 16:22                                                                                                                                   ` Christoph Hellwig
2019-01-28 16:52                                                                                                                                     ` Christian Zigotzky
2019-01-29 15:03                                                                                                                                       ` Christian Zigotzky
2019-01-29 16:14                                                                                                                                         ` Christoph Hellwig
2019-01-29 16:34                                                                                                                                           ` Christoph Hellwig
2019-01-30  4:40                                                                                                                                             ` Christian Zigotzky
2019-01-31 12:48                                                                                                                                               ` Christian Zigotzky [this message]
2019-02-01  8:04                                                                                                                                                 ` Christoph Hellwig
2019-02-01 16:54                                                                                                                                                   ` Christian Zigotzky
2019-02-03 16:49                                                                                                                                                     ` Christian Zigotzky
2019-02-04  7:56                                                                                                                                                       ` Christoph Hellwig
2019-02-04 12:13                                                                                                                                                         ` Christian Zigotzky
2019-02-04 12:38                                                                                                                                                           ` Christoph Hellwig
2019-02-06 13:45                                                                                                                                                             ` Christian Zigotzky
2019-02-06 15:15                                                                                                                                                               ` Christoph Hellwig
2019-02-06 15:16                                                                                                                                                                 ` Christoph Hellwig
2019-02-07  4:34                                                                                                                                                                   ` Christian Zigotzky
2019-02-08  9:01                                                                                                                                                                     ` Christian Zigotzky
2019-02-08  9:18                                                                                                                                                                       ` Christoph Hellwig
2019-02-08 10:59                                                                                                                                                                         ` Christian Zigotzky
2019-02-09 19:26                                                                                                                                                                         ` Darren Stevens
2019-02-09 21:10                                                                                                                                                                         ` Darren Stevens
2019-02-11  7:41                                                                                                                                                                           ` Christoph Hellwig
2019-02-10 12:00                                                                                                                                                                         ` Christian Zigotzky
     [not found]                                                                                                                                                                           ` <0042290A-2939-4EBA-A638-D404FA2055ED@xenosoft.de>
2019-02-11  7:21                                                                                                                                                                             ` Christian Zigotzky
2019-02-11  7:38                                                                                                                                                                           ` Christoph Hellwig
2019-02-12 12:42                                                                                                                                                                             ` Christian Zigotzky
2019-02-12 15:25                                                                                                                                                                               ` Christoph Hellwig
2019-02-12 19:31                                                                                                                                                                                 ` Christian Zigotzky
2019-02-12 19:50                                                                                                                                                                                   ` Christian Zigotzky
2019-02-12 19:52                                                                                                                                                                                     ` Christoph Hellwig
     [not found]                                                                               ` <46025f1b-db20-ac23-7dcd-10bc43bbb6ee@xenosoft.de>
     [not found]                                                                                 ` <20191105162856.GA15402@lst.de>
2019-11-07  9:53                                                                                   ` Bug 205201 - overflow of DMA mask and bus mask Christian Zigotzky
2019-11-10  7:27                                                                                     ` Christian Zigotzky
2019-11-11  8:12                                                                                       ` Christian Zigotzky
2019-11-11  8:16                                                                                         ` Christian Zigotzky
2019-11-11 12:22                                                                                           ` Christian Zigotzky
2019-11-12 14:41                                                                                             ` Christoph Hellwig
2019-11-12 22:58                                                                                               ` Christian Zigotzky
2019-11-13 10:14                                                                                               ` Christian Zigotzky
2019-11-13 11:02                                                                                                 ` Christoph Hellwig
2018-11-29 17:02     ` use generic DMA mapping code in powerpc V4 Christoph Hellwig
2018-12-08 17:03 ` Christoph Hellwig
2018-12-16 16:51 ` Christoph Hellwig
2018-12-17  1:14   ` Michael Ellerman
2018-11-29 19:45 Rui Salvaterra
2018-11-30 10:32 ` Christoph Hellwig
2018-11-30 11:44   ` Rui Salvaterra
2018-11-30 16:41     ` Rui Salvaterra
2018-12-02  6:11     ` Benjamin Herrenschmidt
2018-12-08 17:17       ` Christoph Hellwig
2018-12-10 17:04         ` Rui Salvaterra
2018-12-10 19:33           ` Christoph Hellwig
2018-12-10 20:03             ` Rui Salvaterra
2018-12-10 20:49             ` Benjamin Herrenschmidt
2018-12-11  9:37               ` Rui Salvaterra

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