[Bug 63453] [ILK] testdisplay cause Call Trace with DP pipe
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sun Apr 14 23:17:25 PDT 2013
https://bugs.freedesktop.org/show_bug.cgi?id=63453
--- Comment #2 from shui yangwei <yangweix.shui at intel.com> ---
Created attachment 77974
--> https://bugs.freedesktop.org/attachment.cgi?id=77974&action=edit
dmesg : 3.9-rc display call trace with DP
(In reply to comment #1)
> Is this still an issue on latest kernels? If not please attach a new
> drm.debug=0xe dmesg form 3.9-rc or so.
>
> The original WARN was a bit broken, but this should be fixed since
>
> commit 75c5da279e06577190abba52cabf0dc2a56edb97
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date: Mon Sep 10 21:58:29 2012 +0200
>
> drm/i915: fix up the IBX transcoder B check
OK, I used latest -next-queued kernel, this issue also can be reproduced.
Before I report this bug, I have tried many kernels, include 3.9-rc 3.8-rc
3.7-rc and 3.6-rc, until I go back to 3.6-rc, then I find a good commit.
Now I attached the latest -next-queued 3.9-rc dmesg, and kernel info like
below:
----------------------
Kernel: (drm-intel-nightly)4ab815b56a3886ac01a8e5d031dfa9733650df2d
Some additional commit info:
Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date: Fri Mar 22 14:16:38 2013 -0300
drm/i915: don't touch the PF regs if the power well is down
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