etnaviv-gpu 134000.gpu: MMU fault status 0x00000002 on i.XM6 Quad Plus

[Russell King - ARM Linux]

On Thu, Nov 02, 2017 at 03:05:38PM +0000, Luís Mendes wrote:
> Hi,
> 
> Wladimir, Fabio: Thanks for pointing out this patch. I have applied the
> patch and compiled mesa, but it produced no relevant change regarding the
> MMU fault that I am getting. For me it makes sense that it isn't related to
> this issue because I am running no 3D applications, just logging in into
> the Ubuntu MATE Desktop. Since I am using xf86-video-armada It is expected
> that GC320 is the only unit busy, working, during this stage of the desktop
> initialization.
> 
> Russel, Lucas: The etna-gpu-tools compiled cleanly... I got this log and
> some .bin files with the dumps. I have no clue about the GC320 registers as
> I have no knowledge about the unit, however I if could get the stack of the
> calling process, would be great...
> [   56.173613] etnaviv-gpu 134000.gpu: MMU fault status
> 0x00000002
> [   56.179955] etnaviv-gpu 134000.gpu: MMU 0 fault addr
> 0x0803ffc0
> [   56.185905] etnaviv-gpu 134000.gpu: MMU 1 fault addr
> 0x00000000
> [   56.191843] etnaviv-gpu 134000.gpu: MMU 2 fault addr
> 0x00000000
> [   56.197778] etnaviv-gpu 134000.gpu: MMU 3 fault addr
> 0x00000000
> [   59.258367] etnaviv-gpu 134000.gpu: hangcheck detected gpu
> lockup!
> [   59.265910] etnaviv-gpu 134000.gpu:      completed fence:
> 378
> [   59.271737] etnaviv-gpu 134000.gpu:      active fence:
> 383
> [   59.277930] etnaviv-gpu 134000.gpu: hangcheck
> recover!
> [   59.393270] etnaviv-gpu 134000.gpu: MMU fault status
> 0x00000002
> [   59.399256] etnaviv-gpu 134000.gpu: MMU 0 fault addr
> 0x00343fc0
> [   59.405207] etnaviv-gpu 134000.gpu: MMU 1 fault addr
> 0x00000000
> [   59.411143] etnaviv-gpu 134000.gpu: MMU 2 fault addr
> 0x00000000
> [   59.417082] etnaviv-gpu 134000.gpu: MMU 3 fault addr
> 0x00000000
> [   61.272368] etnaviv-gpu 134000.gpu: hangcheck detected gpu
> lockup!
> [   61.278633] etnaviv-gpu 134000.gpu:      completed fence:
> 384
> [   61.284515] etnaviv-gpu 134000.gpu:      active fence:
> 387
> [   61.290110] etnaviv-gpu 134000.gpu: hangcheck
> recover!
> [   62.278720] etnaviv-gpu 134000.gpu: MMU fault status
> 0x00000002
> [   62.284699] etnaviv-gpu 134000.gpu: MMU 0 fault addr
> 0x0803ffc0
> [   62.290681] etnaviv-gpu 134000.gpu: MMU 1 fault addr
> 0x00000000
> [   62.296644] etnaviv-gpu 134000.gpu: MMU 2 fault addr
> 0x00000000
> [   62.302603] etnaviv-gpu 134000.gpu: MMU 3 fault addr
> 0x00000000
> [   64.306760] etnaviv-gpu 134000.gpu: hangcheck detected gpu
> lockup!
> [   64.313031] etnaviv-gpu 134000.gpu:      completed fence:
> 387
> [   64.318907] etnaviv-gpu 134000.gpu:      active fence:
> 403
> [   64.325477] etnaviv-gpu 134000.gpu: hangcheck recover!
> 
> === Register dump
> 0000000c = 000000df
> 00000000 = 00040900
> 00000004 = 7ffffff8 Idle: FE- DE- PE- SH+ PA+ SE+ RA+ TX+ VG+ IM+ FP+ TS+
> 00000008 = 00002200
> 00000014 = ffffffff
> 00000018 = 14010000
> 0000001c = e02c7eca
> 00000020 = 00000320
> 00000024 = 00005303
> 00000028 = 20140510
> 0000002c = 20353900
> 00000034 = e9399eff
> 00000038 = e9399eff
> 00000070 = 00000000
> 00000100 = 00140021
> 00000104 = 00000000
> 00000108 = 000000fa
> 0000010c = 00000000
> 00000400 = 00000000
> 00000404 = 00000000
> 00000408 = 00000000
> 0000040c = 00000000
> 00000410 = 00000000
> 00000414 = 3c000000
> 00000418 = 00000000
> 0000041c = 00000000
> 00000420 = 00000000
> 00000424 = 00000000
> 00000428 = 00000000
> 0000042c = 00030000
> 00000480 = 000000a8
> 0000065c = 00000001
> 00000660 = 00000803 Cmd: [load0 DMA: idle Fetch: valid] Req idle Cal idle
> 00000664 = 00001230 Command DMA address
> 00000668 = 00000040 FE fetched word 0
> 0000066c = 00000000 FE fetched word 1
> 00000670 = 00000000

Okay, so we stopped at 0x1230.

> ===
> Buffers
> 
>  Num Name  IOVA     Size
>    0 reg   00000000 00000128      296
>    1 mmu   00000000 00401000  4198400
>    2 ring  00000000 00001000     4096
> *  3 cmd   00001000 00000320      800
>    4 cmd   00002000 00000190      400
>    5 cmd   00003000 00000320      800
>    6 cmd   00004000 00000190      400
>    7 cmd   00005000 00000188      392
>    8 bomap 00000000 000018f0     6384
>    9 bo    00040000 00300000  3145728
>   10 bo    00340000 00001000     4096
>   11 bo    00341000 00002000     8192
>   12 bo    02e60000 00001000     4096
>   13 bo    030c3000 00001000     4096
>   14 bo    030c4000 00001000     4096
>   15 bo    030c5000 00018000    98304
> Checking MMU entries... ok

So, buffer 3 is the command buffer we were processing, it's only 800
bytes long.  You should find that along side the log file, called
"cmd-00001000.bin".  Please send me this file.  Thanks.

-- 
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