https://bugs.kde.org/show_bug.cgi?id=412249
Bug ID: 412249
Summary: Random freezing with Radeon VII
Product: kwin
Version: 5.15.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: aide.br...@googlemail.com
Target Milestone: ---
SUMMARY
Frequent freezes in Kubuntu 19.04 using a Radeon VII. The freezes did not occur
with a Vega64 on the same system. Windows on the same system is stable.
STEPS TO REPRODUCE
1. Random freezes.
2.
3.
OBSERVED RESULT
The freezes can occur at any time. But they are more frequent soon after
rebooting. The screen completely locks up. Some times sound will continue and
then also freeze shortly afterwards. This can happen in any application. I can
still SSH into the machine from another machine so the rest of the machine is
still responsive. I see the following errors in /var/log/syslog:
Sep 23 17:04:43 Hades dbus-daemon[1681]: [session uid=1000 pid=1681] Activating
service name='org.kubuntu.DriverManager' requested by ':1.6' (uid=1000 pid=1761
comm="kded5 [kdeinit5] " label="unconfined")
Sep 23 17:04:43 Hades dbus-daemon[1681]: [session uid=1000 pid=1681]
Successfully activated service 'org.kubuntu.DriverManager'
Sep 23 17:05:04 Hades kernel: [ 257.532173] [drm:amdgpu_job_timedout [amdgpu]]
*ERROR* ring gfx timeout, signaled seq=9177, emitted seq=9179
Sep 23 17:05:04 Hades kernel: [ 257.532294] [drm:amdgpu_job_timedout [amdgpu]]
*ERROR* Process information: process kwin_x11 pid 1803 thread kwin_x11:cs0 pid
1891
Sep 23 17:05:04 Hades kernel: [ 257.532301] amdgpu 0000:05:00.0: GPU reset
begin!
Sep 23 17:05:14 Hades kernel: [ 267.762205] [drm:amdgpu_dm_atomic_check
[amdgpu]] *ERROR* [CRTC:47:crtc-0] hw_done or flip_done timed out
EXPECTED RESULT
No freezing.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: Kubuntu 19.04 kernel 5.0.0-29-generic
(available in About System)
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.56.0
Qt Version: 5.12.2
ADDITIONAL INFORMATION
CPU is an Intel i7-3930K at stock speed, with 32gb RAM
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