[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

            Bug ID: 93784
           Summary: Hybrid graphics: GPU lockup when running glxgears
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/radeonsi
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: nioko1337@googlemail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 121146
  --> https://bugs.freedesktop.org/attachment.cgi?id=121146&action=edit
dmesg output

My laptop has the following discrete graphics card (lspci output):

0a:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Sun LE
[Radeon HD 8550M / R5 M230] (rev ff)

When running glxgears (or any graphical application) with DRI_PRIME=1, the
window appears but it stays just black (also it does not print any FPS in the
console).

After starting glxgears the first time, the GPU locks up (see dmesg.txt).

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

Nicolas Koch <nioko1337@googlemail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nioko1337@googlemail.com

--- Comment #1 from Nicolas Koch <nioko1337@googlemail.com> ---
I just noticed after failing glxgears, the radeonsi driver (or at least a
kworker) eats up an entire CPU core of my machine until I reboot.

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
Does booting with radeon.runpm=0 on the kernel command line in grub help?

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #3 from Nicolas Koch <nioko1337@googlemail.com> ---
No it doesn't :(

Additionally, here is my output of `glxinfo | grep -i renderer`:
OpenGL renderer string: Gallium 0.4 on AMD HAINAN (DRM 2.43.0, LLVM 3.7.0)

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #4 from Nicolas Koch <nioko1337@googlemail.com> ---
Forgot to mention, of course I ran glxinfo with DRI_PRIME=1

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #5 from bartos.petr@gmail.com ---
(In reply to Nicolas Koch from comment #4)
> Forgot to mention, of course I ran glxinfo with DRI_PRIME=1

Same problem here with ThinkPad L450

05:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Jet XT
[Radeon R5 M240] (rev ff)

I found than setting both integrated and discrete gpu to DRI3 allows to run
glxgears, however it hard-freezes once any gpu intensive application is run for
more than few minutes. Using additional vblank_mode=0 causes this hard-freeze
to appear faster. Before hard-freeze there is massive fps drop during which it
is possible to kill the application and avoid freeze.

Also using

echo "DDIS" > /sys/kernel/debug/vgaswitcheroo/switch

and restarting X causes black screen (with backlight turned of) but that might
be another bug

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #6 from bartos.petr@gmail.com ---
I'm on Mesa 11.1.0 (git-525f3c2). Happens with kernel 4.3.x and 4.4.x on Fedora
23

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

--- Comment #7 from Nicolas Koch <nioko1337@googlemail.com> ---
I could fix this problem by enabling DRI3 for the intel driver like this:

cat /etc/X11/xorg.conf.d/020-intel.conf

Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "TearFree" "true"
   Option      "DRI" "3"
EndSection

No more GPU hangups and other funny stuff happening, at least glxgears works
now (no more black screen).

It would be nice, if someone found out why this is behaving strange when only
DRI2 is enabled, though.

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[Bug 93784] Hybrid graphics: GPU lockup when running glxgears

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https://bugs.freedesktop.org/show_bug.cgi?id=93784

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/mesa/issues/1228.

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