Created attachment 46042 [details] call trace of testdisplay System Environment: -------------------------- kernel keithp/drm-intel-fixes commit:5c72d064f7ead1126bed6faab0c2bfb7418036e2 platform piketon Bug detailed description: ------------------------- I use testdisplay to test DP + VGA. when I press "q" or "ctrl + c" to exit testdisplay, there will be Call Trace. Or Command "testdisplay -a 10" to test DP and VGA all mode in turn will cause Call Trace after DP last mode has been shown. Attachment is CallTrace info. Reproduce steps: ---------------- 1. testdisplay 2. press q or CTRL +c to exit
Now ickle/drm-intel-staging commit 8ff887c847a8c88cee2cddffb8b94f41ebd5e4db Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Sun Apr 17 06:38:35 2011 +0100 drm/i915/dp: Be paranoid in case we disable a DP before it is attached This issue I have tested doesn't exist in this commit.
So this looks to be the same bug, definitely the same calltrace as the patch was written to address. *** This bug has been marked as a duplicate of bug 36456 ***
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.