[Bug 105373] [kbl-h] GPU HANG: ecode 9:0:0xfedffffa, in Xorg [1345], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105373

--- Comment #26 from Mika Kuoppala <mika.kuoppala at intel.com> ---
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

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