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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL] random system hang with RC6 enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95063#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL] random system hang with RC6 enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95063">bug 95063</a>
from <span class="vcard"><a class="email" href="mailto:bugzilla@colorremedies.com" title="bugzilla@colorremedies.com">bugzilla@colorremedies.com</a>
</span></b>
<pre>I'm still hitting this on kernel 4.9.0, even with both firmwares enabled as
boot parameters
[25414.982139] f25h kernel: WARNING: CPU: 2 PID: 1532 at
drivers/gpu/drm/i915/intel_display.c:14189 intel_atomic_commit_tail+0xfd0/0xff0
[i915]
[25414.982140] f25h kernel: pipe A vblank wait timed out
BOOT_IMAGE=/vmlinuz-4.9.0-1.fc26.x86_64
root=UUID=c45caf39-a048-4c44-90c9-535dc8003c71 ro rootflags=subvol=root
elevator=noop i915.enable_guc_loading=-1 i915.enable_guc_submission=-1
# cat /sys/class/drm/card0/error
no error state collected</pre>
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