[Bug 111805] Constant "Resetting rcs0 for hang on rcs0" and machine lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111805

--- Comment #43 from arek.burdach at gmail.com ---
(In reply to arek.burdach from comment #42)
> Tried kernel from Linus tree (5.4-rc6) - ended up with GPU HANG id dmesg,
> and now on today's drm-tip (e7de48a8b1161a99f4b8e4483bc1bb85f5d31039) -
> ended up with "Resetting rcs0 for hang on rcs0".

My mistake, on 5.4-rc6 it was:
>  GPU HANG: ecode 9:0:0x00000000, hang on rcs0

And on drm-tip it is (from syslog):
> Nov  9 14:07:03 arek-xps13 kernel: [  705.899311] i915 0000:00:02.0: Resetting rcs0 for preemption time out
> Nov  9 14:07:03 arek-xps13 /usr/lib/gdm3/gdm-x-session[1555]: i965: Failed to submit batchbuffer: Input/output error
> Nov  9 14:07:03 arek-xps13 gnome-terminal-[3004]: gnome-terminal-server: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
> Nov  9 14:07:03 arek-xps13 evolution-alarm[2152]: evolution-alarm-notify: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
> Nov  9 14:07:03 arek-xps13 pulseaudio[1543]: X connection to :0 broken (explicit kill or server shutdown).
> Nov  9 14:07:03 arek-xps13 at-spi-bus-launcher[1721]: X connection to :0 broken (explicit kill or server shutdown).
> Nov  9 14:07:03 arek-xps13 update-notifier[3351]: update-notifier: Fatal IO error 11 (Resource temporarily unavailable) on X server :0.
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: #
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: # A fatal error has been detected by the Java Runtime Environment:
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: #
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: #  SIGSEGV (0xb) at pc=0x00007f04aa039b76, pid=4644, tid=4694
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: #
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: # JRE version: OpenJDK Runtime Environment (11.0.4+10) (build 11.0.4+10-b304.77)
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: # Java VM: OpenJDK 64-Bit Server VM (11.0.4+10-b304.77, mixed mode, tiered, compressed oops, 
concurrent mark sweep gc, linux-amd64)
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: # Problematic frame:
> Nov  9 14:07:03 arek-xps13 jetbrains-idea.desktop[1809]: # C  [libc.so.6+0x49b76]

I'll attach java_error.log. It looks like drm get some "hiccups" which cause
hang on 5.4-rc6 and is better handled on drm-tip.

I see in log, that the problem was during rendering MemoryUsagePanel @Leho do
you also have it enabled? I'll check if it will be the same stack trace another
time.

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