[Bug 97428] Specific OpenGL applications deadlock on AMD GPU drivers

[Bug 97428] Specific OpenGL applications deadlock on AMD GPU drivers

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=97428

            Bug ID: 97428
           Summary: Specific OpenGL applications deadlock on AMD GPU
                    drivers
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: tmp6154@yandex.ru

I've been experiencing problems with open-source AMD GPU driver and specific
OpenGL applications. Particularly, Tabletop Simulator and Left 4 Dead 2 exhibit
this behavior. After a few minutes since game launches, it (apparently
randomly) deadlocks, screen stops to refresh. If game is minimized and
maximized again, it will show black screen. From this state, it could only be
closed with SIGINT in terminal or SIGKILL. Left 4 Dead 2 has similar issue, but
unlike Tabletop Simulator, it doesn't seem to deadlock in main menu.

My configuration:

Gentoo Linux
Dual AMD Radeon RX 480 (Polaris 10).
4.7.0 kernel with AMD GPU built as module (PowerPlay component enabled).
mesa git (9999).
xf86-video-amdgpu git (9999).
XOrg 1.17.4

Direct Rendering works, GPU is detected according to glxinfo:

direct rendering: Yes

OpenGL renderer string: Gallium 0.4 on AMD POLARIS10 (DRM 3.2.0 / 4.7.1-gentoo,
LLVM 3.7.1)

XOrg log shows GPUs are initialized:

[    30.903] (II) AMDGPU(G0): [DRI2] Setup complete 
[    30.903] (II) AMDGPU(G0): [DRI2]   DRI driver: radeonsi 
[    30.903] (II) AMDGPU(G0): [DRI2]   VDPAU driver: radeonsi 
[    30.905] (**) AMDGPU(G0): DRI3 enabled 
[    30.963] (II) AMDGPU(0): [DRI2] Setup complete 
[    30.963] (II) AMDGPU(0): [DRI2]   DRI driver: radeonsi 
[    30.963] (II) AMDGPU(0): [DRI2]   VDPAU driver: radeonsi 
[    30.964] (**) AMDGPU(0): DRI3 enabled 
[    31.036] (II) GLX: Initialized DRI2 GL provider for screen 0

DRI3 is enabled (though GLX uses DRI2 for some reason).

Here's my device configuration:

Section "Device" 
    Identifier  "AMD Radeon RX 480 (POLARIS10)" 
    Driver      "amdgpu" 
    BusID       "PCI:1:0:0" 
    Option      "DRI"         "3" 
    Option      "AccelMethod" "glamor" 
EndSection

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[Bug 97428] Specific OpenGL applications deadlock on AMD GPU drivers

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https://bugs.freedesktop.org/show_bug.cgi?id=97428

--- Comment #1 from Vitaly Ostrosablin <tmp6154@yandex.ru> ---
Before deadlock, nothing is printed to terminal. I've also attempted using
GALLIUM_HUD environment variable to display various information. There's
nothing unusual right before deadlock (no VRAM usage spike, no high GPU load,
etc). Deadlocks seem to be completely random (I see no relation between scene
complexity, CPU load, etc). I.e. it may deadlock both on idle scene and during
active physics simulation (in case of Tabletop Simulator). Looks like an AMD
GPU issue.

If additional info is needed, let me know.

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[Bug 97428] Specific OpenGL applications deadlock on AMD GPU drivers

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https://bugs.freedesktop.org/show_bug.cgi?id=97428

--- Comment #2 from Michel Dänzer <michel@daenzer.net> ---
This could be a duplicate of bug 97174, try the LD_PRELOAD / LIBGL_DRI3_DISABLE
workarounds described there.

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[Bug 97428] Specific OpenGL applications deadlock on AMD GPU drivers

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https://bugs.freedesktop.org/show_bug.cgi?id=97428

Vitaly Ostrosablin <tmp6154@yandex.ru> changed:

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

--- Comment #3 from Vitaly Ostrosablin <tmp6154@yandex.ru> ---
Yes, that worked, many thanks! Looks like this was Steam's bug rather than
driver's failure.

*** This bug has been marked as a duplicate of bug 97174 ***

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