[Bug 64431] [ivy bridge] intel_crtc_wait_for_pending_flips crash

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=64431

Tobias Jakobi <liquid.acid at gmx.net> changed:

           What    |Removed                     |Added
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                 CC|                            |liquid.acid at gmx.net

--- Comment #11 from Tobias Jakobi <liquid.acid at gmx.net> ---
Created attachment 153271
  --> https://bugzilla.kernel.org/attachment.cgi?id=153271&action=edit
trimmed dmesg output

I'm seeing a similar problem here on an i7-4700HQ Haswell.

WARNING: CPU: 5 PID: 2290 at drivers/gpu/drm/i915/intel_display.c:3324
intel_crtc_wait_for_pending_flips+0x160/0x170()

The internal display of this laptop system is attached via eDP. The mentioned
switching between VT and X didn't restore the display. I had to reboot to get
it into useable state again.

Kernel is 3.16.5. The issue doesn't appear very often, this is maybe the second
time I've experienced it.

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