[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

            Bug ID: 107940
           Summary: libdrm 2.4.94-1 causes blender to crash on opencl
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libdrm
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: yachtsoma@hotmail.com

Running Arch Linux on AMD FX-8350 with Radeon Pro WX-5100 GPU

version 2.4.94-1 of libdrm caused blender to crash with the following error

amdgpu_device_initialize: amdgpu_query_info(ACCEL_WORKING) failed (-9)

downgraded to 2.4.93-1 as a temporary fix.

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #1 from Mowley <yachtsoma@hotmail.com> ---
can provide more info if required but was unsure as to what specifically I
should attach in order to help.

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
Can you bisect?

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
Please attach the Xorg log file and the output of dmesg and xrandr.

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #4 from Augusto Fraga Giachero <augustofg96@gmail.com> ---
I've found the commit that introduces this bug:
7aa1a511336dd7cb26dafef81d76edd6978a6cdf

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #5 from Mowley <yachtsoma@hotmail.com> ---
(In reply to Augusto Fraga Giachero from comment #4)
> I've found the commit that introduces this bug:
> 7aa1a511336dd7cb26dafef81d76edd6978a6cdf

I'm guessing that my XOrg log file would now be superfluous?

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ckoenig.leichtzumerken@gmai
                   |                            |l.com

--- Comment #6 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Mowley from comment #5)
> I'm guessing that my XOrg log file would now be superfluous?

Yeah, actually comment 3 was intended for another bug report, sorry.


Christian, any idea how the commit below could cause this?

commit 7aa1a511336dd7cb26dafef81d76edd6978a6cdf
Author: Christian König <christian.koenig@amd.com>
Date:   Wed Aug 1 20:44:44 2018 +0200

    amdgpu: stop using the hash table for fd_tab

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

--- Comment #7 from Christian König <ckoenig.leichtzumerken@gmail.com> ---
(In reply to Michel Dänzer from comment #6)
> Christian, any idea how the commit below could cause this?

-EBADF means the file descriptor number is already closed.

So maybe the application is trying to open/close the device multiple times and
we have a bug in amdgpu_device_free_internal?

Christian.

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[Bug 107940] libdrm 2.4.94-1 causes blender to crash on opencl

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https://bugs.freedesktop.org/show_bug.cgi?id=107940

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

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

--- Comment #8 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/drm/issues/22.

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