[Bug 51344] New: massive corruption on RV515

[Bug 51344] New: massive corruption on RV515

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=51344

             Bug #: 51344
           Summary: massive corruption on RV515
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: bugzi11.fdo.tormod@xoxy.net


Created attachment 63356
  --> https://bugs.freedesktop.org/attachment.cgi?id=63356
Xorg.0.log

This happened early May on drm-next somewhere between 4f256e8..d3029b4, and is
still there in 3.5rc3 (and in current drm-next).

Things are smeared out vertically. Looks like desktop background is not
corrupted. By turning off "EXABitmaps" there is less corruption.

I haven't done git bisecting, only download bisecting from
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/ and
v3.4-rc6-295-g4f256e8 from May 8th was good and v3.4-rc6-315-gd3029b4 from May
10th was bad. Unfortunately the build from May 9th has been deleted in the
meantime so I can not narrow it down further this way. So the commits in
question should be:

d3029b4 drm/radeon/kms: fix warning on 32-bit in atomic fence printing
f2e3922 drm/radeon: make the ib an inline object
f237750 drm/radeon: remove r600 blit mutex v2
68470ae drm/radeon: move the semaphore from the fence into the ib
7c0d409 drm/radeon: immediately free ttm-move semaphore
c507f7e drm/radeon: rip out the ib pool
a8c0594 drm/radeon: simplify semaphore handling v2
c3b7fe8 drm/radeon: multiple ring allocator v3
0085c950 drm/radeon: use one wait queue for all rings add fence_wait_any v2
557017a drm/radeon: define new SA interface v3
2e0d991 drm/radeon: make sa bo a stand alone object
e6661a9 drm/radeon: keep start and end offset in the SA
711a972 drm/radeon: add sub allocator debugfs file
a651c55 drm/radeon: add proper locking to the SA v3
dd8bea2 drm/radeon: use inline functions to calc sa_bo addr
8a47cc9 drm/radeon: rework locking ring emission mutex in fence deadlock
detection v2
3b7a2b2 drm/radeon: rework fence handling, drop fence list v7
bb63556 drm/radeon: convert fence to uint64_t v4
d6999bc drm/radeon: replace the per ring mutex with a global one
133f4cb drm/radeon: fix possible lack of synchronization btw ttm and other ring

01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI
Radeon Mobility X700 (PCIE) [1002:5653]

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[Bug 51344] massive corruption on RV410

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=51344

Tormod Volden <bugzi11.fdo.tormod@xoxy.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|massive corruption on RV515 |massive corruption on RV410

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #1 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-06-22 11:22:39 PDT ---
Created attachment 63357
  --> https://bugs.freedesktop.org/attachment.cgi?id=63357
dmesg output

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #2 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-06-22 11:50:37 PDT ---
Created attachment 63359
  --> https://bugs.freedesktop.org/attachment.cgi?id=63359
screenshot (no xorg.conf options)

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #3 from Tom Stellard <tstellar@gmail.com> 2012-06-24 10:57:40 PDT ---
Can you try to bisect this using git bisect and find the first bad commit?

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #4 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-06-27 12:33:37 PDT ---
Sorry, I don't know when I can have time to do that. I'll try harder if the bug
can be confirmed by other people too. Maybe the right developer can make an
educated guess if it's limited to this card.

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #5 from Andrea <mariofutire@googlemail.com> 2012-08-27 20:00:41 UTC ---
Hi guys,

can this be related to 

https://bugs.freedesktop.org/show_bug.cgi?id=54129

?

I ended up in the same area of the git log.

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #6 from Jerome Glisse <glisse@freedesktop.org> 2012-08-27 20:26:28 UTC ---
Also can you test if booting with radeon.no_wb=1 fix the issue ?

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #7 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-08-28 07:22:14 UTC ---
Thanks, will test this later. BTW I already tried
http://people.freedesktop.org/~glisse/0001-drm-radeon-extra-type-safe-for-fence-emission.patch
which came up on the dri-devel list, but that did not fix it.

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #8 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-08-28 18:29:07 UTC ---
No, booting with radeon.no_wb=1 didn't help.

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[Bug 51344] massive corruption on RV410

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #9 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-09-10 20:27:54 UTC ---
Created attachment 66942
  --> https://bugs.freedesktop.org/attachment.cgi?id=66942
backport of Christian's patch

I tried backporting Christian's patch from
https://bugs.freedesktop.org/show_bug.cgi?id=54129#c11 but it did not help
either. I suppose the following /sys/kernel/debug/dri/0/radeon_fence_info
output indicates that the patch took effect, since the emitted numbers are
above 0x100000000LL?

--- ring 0 ---
Last signaled fence 0x000000020000149f
Last emitted  0x0000000100001a9a

--- ring 0 ---
Last signaled fence 0x000000020000149f
Last emitted  0x0000000100002041

--- ring 0 ---
Last signaled fence 0x000000020000149f
Last emitted  0x000000010000294a

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #10 from Tormod Volden <bugzi11.fdo.tormod@xoxy.net> 2012-09-11 18:42:32 UTC ---
Created attachment 66986
  --> https://bugs.freedesktop.org/attachment.cgi?id=66986
backport of Christian's v2 patch

I tried backporting the v2 patch from
http://lists.freedesktop.org/archives/dri-devel/2012-September/027608.html to
kernel 3.5.2, see attached, but it did not help either. Maybe my card has
another issue?

Output from /sys/kernel/debug/dri/0/radeon_fence_info

--- ring 0 ---
Last signaled fence 0x00000000deadbeef
Last emitted  0x0000000000000670

--- ring 0 ---
Last signaled fence 0x00000000deadbeef
Last emitted  0x0000000000000c44

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[Bug 51344] massive corruption on RV410

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https://bugs.freedesktop.org/show_bug.cgi?id=51344

--- Comment #11 from Christian König <deathsimple@vodafone.de> 2012-09-12 09:55:57 UTC ---
(In reply to comment #10)
> Output from /sys/kernel/debug/dri/0/radeon_fence_info
> 
> --- ring 0 ---
> Last signaled fence 0x00000000deadbeef
> Last emitted  0x0000000000000670
> 
> --- ring 0 ---
> Last signaled fence 0x00000000deadbeef
> Last emitted  0x0000000000000c44

WTF? Well that's a very interesting information you've got us here, thanks
allot.

"deadbeef" is a pattern we usually use for ring and IB tests, and I have no
idea how that ended up as last signaled fence value.

Could you try Jeromes debugging patch
(http://people.freedesktop.org/~glisse/0001-debug-fence-emission-reception.patch)
and attach the resulting output.

Thx,
Christian.

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[Bug 51344] massive corruption on RV410

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=51344

Christian König <deathsimple@vodafone.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
         AssignedTo|dri-devel@lists.freedesktop |deathsimple@vodafone.de
                   |.org                        |
  Attachment #66942|0                           |1
        is obsolete|                            |
  Attachment #66986|0                           |1
        is obsolete|                            |

--- Comment #12 from Christian König <deathsimple@vodafone.de> 2012-09-12 11:49:46 UTC ---
Created attachment 67047
  --> https://bugs.freedesktop.org/attachment.cgi?id=67047
Possible fix

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