[Bug 59592] New: Reproducable GPU lockups since 3.8

[Bug 59592] New: Reproducable GPU lockups since 3.8

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

          Priority: medium
            Bug ID: 59592
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Reproducable GPU lockups since 3.8
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: nine@detonation.org
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 73293
  --> https://bugs.freedesktop.org/attachment.cgi?id=73293&action=edit
dmesg after lockups

Since upgrading my kernel to 3.8.0-rc3 using openSUSE packages, I reproducably
get GPU lockups when running FlightGear right after the simulation starts.
Takes a couple of minutes with some screen blanking to quit the application
again. Afterwards the system continues running fine. Activating KDE's desktop
effects may produce the same behaviour.

I'm using the following versions:
Mesa-9.1_git20130117-230.1.x86_64
libdrm2-2.4.99_git20130117-1.1.x86_64

X.Org X Server 1.12.3
Release Date: 2012-07-09
[    17.264] X Protocol Version 11, Revision 0
[    17.264] Build Operating System: openSUSE SUSE LINUX
[    17.264] Current Operating System: Linux sphinx 3.8.0-rc3-1-desktop #1 SMP
PREEMPT Thu Jan 10 20:49:22 UTC 2013 (7ce28dd) x86_64
[    17.264] Kernel command line: BOOT_IMAGE=/vmlinuz-3.8.0-rc3-1-desktop
root=/dev/mapper/system-root resume=/dev/system/swap quiet splash=silent
[    17.264] Build Date: 08 January 2013  11:56:04AM


I could do some git bisecting on the kernel or on Mesa if it helps and I'm
fluent in C. Just tell me how I can help fixing this.

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups since kernel 3.8

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

nine@detonation.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Reproducable GPU lockups    |Radeon HD 5670:
                   |since 3.8                   |reproducable GPU lockups
                   |                            |since kernel 3.8

--- Comment #1 from nine@detonation.org ---
I spent the afternoon bisecting the kernel and found the commit seeming to
cause the GPU lockups

4ac0533abaec2b83a7f2c675010eedd55664bc26 is the first bad commit
commit 4ac0533abaec2b83a7f2c675010eedd55664bc26
Author: Jerome Glisse <jglisse@redhat.com>
Date:   Thu Dec 13 12:08:11 2012 -0500

    drm/radeon: fix htile buffer size computation for command stream checker

    Fix the size computation of the htile buffer.

    Signed-off-by: Jerome Glisse <jglisse@redhat.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 cf30bb09a4096c41959a27c6fc7d391dfa718028
fc571d6379b3b697a2bad0e5d097797f77c0a1b6 M      drivers

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups since kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

nine@detonation.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |regression

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups since kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|DRI                         |Mesa
            Version|XOrg CVS                    |git
          Component|DRM/Radeon                  |Drivers/Gallium/r600

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
I think this is actually a mesa bug.  The kernel commit you bisected just
allows the problematic feature to be enabled in mesa.  The mesa commits are:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=24b1206ab2dcd506aaac3ef656aebc8bc20cd27a
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6532eb17baff6e61b427f29e076883f8941ae664

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups since kernel 3.8

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

--- Comment #3 from nine@detonation.org ---
I can confirm that
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6532eb17baff6e61b427f29e076883f8941ae664
is the first Mesa commit where the lockups occur.

With
http://cgit.freedesktop.org/mesa/mesa/commit/?id=24b1206ab2dcd506aaac3ef656aebc8bc20cd27a
it still works on kernel 3.8.0-rc4

Is there anything else I can do to help fixing this bug?

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Radeon HD 5670:             |Radeon HD 5670:
                   |reproducable GPU lockups    |reproducable GPU lockups
                   |since kernel 3.8            |with htile enabled

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anonymous@dodgeit.com

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 60347 has been marked as a duplicate of this bug. ***

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

--- Comment #5 from Jerome Glisse <glisse@freedesktop.org> ---
Created attachment 74707
  --> https://bugs.freedesktop.org/attachment.cgi?id=74707&action=edit
Mesa fix

Please try if attached mesa patch fix it

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

--- Comment #6 from nine@detonation.org ---
The patch seems to fix the problem indeed. I've been trying more than half an
hour to get the GPU to lock up without result. Thank you very very much!

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

Jerome Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Jerome Glisse <glisse@freedesktop.org> ---
Proper fix commited to mesa

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

nine@detonation.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |---

--- Comment #8 from nine@detonation.org ---
While it did seem to work in my first test with your patch, I've experienced
frequent GPU lockups since. Last weekend I tried to bisect it, since it got
back to reliable immediate lockups during fadeout of the splash screen. 
Unfortunately they were not as reliable as they looked like, making the whole
bisection useless.

Unfortunately I don't have more information yet. I'm running with
--enable-debug but never got any assertion failures.

What can I do to debug this problem?

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

--- Comment #9 from Jerome Glisse <glisse@freedesktop.org> ---
Please check if below patch fix the issue:

http://people.freedesktop.org/~glisse/0001-r600g-force-full-cache-for-hyperz.patch

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

--- Comment #10 from nine@detonation.org ---
Sorry for the late reply. Took me some time to get my test setup working after
a distribution upgrade. It seems like your patch does indeed fix the problem.
I've played around with FlightGear for several hours without any lockups
whatsoever with R600_HYPERZ=1. Before I tried it without your patch and got an
immediate lockup.

It seems like your patch is already committed to master. After upgrading to
current master it continues to work flawlessly. Thanks!

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[Bug 59592] Radeon HD 5670: reproducable GPU lockups with htile enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=59592

Jerome Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #11 from Jerome Glisse <glisse@freedesktop.org> ---
Closing pushed to master and going to push to 9.1

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