[Bug 66961] New: Kernel BUG/Oops during radeon gpu stall

[Bug 66961] New: Kernel BUG/Oops during radeon gpu stall

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

          Priority: medium
            Bug ID: 66961
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Kernel BUG/Oops during radeon gpu stall
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: knut.tidemann@gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 82479
  --> https://bugs.freedesktop.org/attachment.cgi?id=82479&action=edit
dmesg output

I've noticed a kernel BUG/Oops during a GPU stall when playing Legend of
Grimrock (closed source).

The oops causes X to become a defunct process with no entires in the Xorg.log
file. The screen goes into standby mode and the only way to solve this is to
reboot the computer. The machine is responsive via ssh and I've attached my
dmesg output after the oops.

I have not played this game with another kernel, so I don't know if it's new or
not.

I have a Radeon HD 4850, on an Intel Core2Duo with 8GB of ram.

Running 'latest' git (gb616d01).

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[Bug 66961] radeon gpu stall with Legend of Grimrock

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Kernel BUG/Oops during      |radeon gpu stall with
                   |radeon gpu stall            |Legend of Grimrock

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
What version of mesa are you using?  Does disabling hyperz help?  Set env var
R600_DEBUG=nohyperz (git) or R600_HYPERZ=0 (older mesa releases).

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[Bug 66961] radeon gpu stall with Legend of Grimrock

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Also, if this is a 32-bit game running on a 64-bit distro, make sure you have a
recent version of the 32-bit 3D driver.

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[Bug 66961] radeon gpu stall with Legend of Grimrock

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

--- Comment #3 from Knut Andre Tidemann <knut.tidemann@gmail.com> ---
Yes it is, both the 32 bit and the 64 bit are compiled from the same commit.

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[Bug 66961] radeon gpu stall with Legend of Grimrock

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

--- Comment #4 from Knut Andre Tidemann <knut.tidemann@gmail.com> ---
This might be due to a overheat issue.

I just got another GPU lockup while playing the game (after a few hours) and it
did not cause the kernel OOPS/Bug in question, so everything went on as normal
after the GPU recovered.

However, after a few minutes I lost the display (it went black). Logging in
over SSH and checking the temperature sensor revealed that the radeon GPU
reported 127.5C. 

So unless someone else has seen this issue, I think it can be discarded.

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[Bug 66961] radeon gpu stall with Legend of Grimrock

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https://bugs.freedesktop.org/show_bug.cgi?id=66961

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

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

--- Comment #5 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/452.

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