[Bug 67462] [SNB DP] WARNING: pipe_off wait timed out in ironlake_crtc_disable

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67462

--- Comment #13 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #10)
> (In reply to comment #6)
> > I've forgotten to actually add my question ;-) Which of the two types of
> > calltraces do you see on snb-hsw, even without DP?
> 
> I test latest -next-queued kernel on a hsw desktop without any display
> ports, it seems like we also have two types of calltraces. I grabbed the
> dmesg. :)

This is again a different calltrace:

[    1.168965] WARNING: CPU: 1 PID: 1258 at
drivers/gpu/drm/i915/i915_gem.c:3440
i915_gem_object_set_cache_level+0x1bd/0x1dc [i915]()


Please consult the section about backtraces in the bug filing BKM about how to
properly differentiate calltraces in dmesg. We can't just smash all the
calltraces into one bug report ;-)

Differentiating calltraces properly is imo a very important part of the
first-stage bug traiging QA does.

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