[Bug 107613] [amdgpu] reproducible crashes in 3D games, amdgpu_dm_commit_planes: acrtc 0, already busy

* [Bug 107613] [amdgpu] reproducible crashes in 3D games, amdgpu_dm_commit_planes: acrtc 0, already busy
@ 2018-08-18 15:35 bugzilla-daemon
  2019-01-02  0:29 ` bugzilla-daemon
  2019-11-19  8:47 ` bugzilla-daemon
  0 siblings, 2 replies; 3+ messages in thread
From: bugzilla-daemon @ 2018-08-18 15:35 UTC (permalink / raw)
  To: dri-devel

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https://bugs.freedesktop.org/show_bug.cgi?id=107613

            Bug ID: 107613
           Summary: [amdgpu] reproducible crashes in 3D games,
                    amdgpu_dm_commit_planes: acrtc 0, already busy
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: jlanzobr@gmail.com

Created attachment 141182
  --> https://bugs.freedesktop.org/attachment.cgi?id=141182&action=edit
kmsg trace

I am experiencing consistent, reproducible crashes when running games on my
Radeon R9-285 with amdgpu. My system also has a Ryzen 2700X on an Asus ROG
STRIX X470-F GAMING motherboard (latest firmware as of August 15, 2018). The
system is not overclocked.

Kernel: 4.18.1-arch1-1-ARCH #1 SMP PREEMPT Wed Aug 15 21:11:55 UTC 2018 x86_64
GNU/Linux

1. This occurs on any kernel from 4.15 to 4.18.
2. This DOES NOT occur on the kernel provided by the Arch linux-lts package
(kernel 4.14.63).

TO REPRODUCE: start Quake 3 Arena (or OpenArena), have 2 bots fight each other
and spectate one of them, and simply let the machine run until it crashes.
(Note: it happens in multiple other games but this is the easiest way to
reproduce it.) Sometimes it will happen immediately, sometimes it can run for
2-3 hours before a crash, but it will always crash eventually.

[See the attachment for a kmsg trace.]

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