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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 9:0:0x87d6fffe, in X [836], reason: Hang on render ring, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99696#c13">Comment # 13</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - GPU HANG: ecode 9:0:0x87d6fffe, in X [836], reason: Hang on render ring, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99696">bug 99696</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Hmm, it does have the double 3DSTATE_VERTEX_ELEMENTS that I'm guessing is an
issue from skl+, i.e. that's a patch in
<a href="https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/">https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/</a> to prevent that
sequence. As you seem to be reliably hitting this, testing -intel would be
invaluable feedback.
Alternatively, you can disable some acceleration using
/etc/X11/xorg.conf.d/intel.conf:
Section "Device"
Identifier "igfx"
Driver "intel"
Option "AccelMethod" "blt"
EndSection
or try modesetting, same file:
Section "Device"
Identifier "igfx"
Driver "modesetting"
EndSection</pre>
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