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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [kbl-h] GPU HANG: ecode 9:0:0xfedffffa, in Xorg [1345], reason: Hang on rcs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105373#c26">Comment # 26</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [kbl-h] GPU HANG: ecode 9:0:0xfedffffa, in Xorg [1345], reason: Hang on rcs0, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105373">bug 105373</a>
from <span class="vcard"><a class="email" href="mailto:mika.kuoppala@intel.com" title="Mika Kuoppala <mika.kuoppala@intel.com>"> <span class="fn">Mika Kuoppala</span></a>
</span></b>
<pre>Not much has changed. The gpu has not even picked up the work item given for it
by Xorg to execution.
Can you ssh to the box after the boot has failed and do a following:
# intel_reg read 0x2358
# intel_reg read 0x2358
it is a timestamp register so let's see it the gpu is completely dead at
this point.
Also please enable everything under "drm/i915 Debugging" kernel config
for more detailed traces.
You could also add the following to the previous kernel command line
options: intel_idle.max_cstate=1 intel_pstate=disable</pre>
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