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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [skl] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason: Hang on render ring, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101288#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [skl] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason: Hang on render ring, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101288">bug 101288</a>
from <span class="vcard"><a class="email" href="mailto:bjorn@mork.no" title="Bjørn Mork <bjorn@mork.no>"> <span class="fn">Bjørn Mork</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=138770" name="attach_138770" title="/sys/class/drm/card0/error with Linux v4.16 and i915/skl_dmc_ver1_27.bin firmware">attachment 138770</a> <a href="attachment.cgi?id=138770&action=edit" title="/sys/class/drm/card0/error with Linux v4.16 and i915/skl_dmc_ver1_27.bin firmware">[details]</a></span>
/sys/class/drm/card0/error with Linux v4.16 and i915/skl_dmc_ver1_27.bin
firmware
OK, so I just had another hang. This time with the i915/skl_dmc_ver1_27.bin
firmware. The reset behaviour was a lot nicer than before, though. It
actually worked without killing the X server.
The new /sys/class/drm/card0/error is attached. Relevant log messages:
[drm] GPU HANG: ecode 9:0:0x84dfbffc, in Xorg [1152], reason: Hang on rcs0,
action: reset
[drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including
userspace.
[drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI ->
DRM/Intel
[drm] drm/i915 developers can then reassign to the right component if it's not
a kernel issue.
[drm] The gpu crash dump is required to analyze gpu hangs, so please always
attach it.
[drm] GPU crash dump saved to /sys/class/drm/card0/error
i915 0000:00:02.0: Resetting rcs0 after gpu hang</pre>
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