https://bugzilla.kernel.org/show_bug.cgi?id=43367
Summary: radeon: NULL pointer dereference on switching to dynpm power method Product: Drivers Version: 2.5 Kernel Version: 3.5-rc2 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) AssignedTo: drivers_video-dri@kernel-bugs.osdl.org ReportedBy: haagch.christoph@googlemail.com Regression: Yes
Created an attachment (id=73570) --> (https://bugzilla.kernel.org/attachment.cgi?id=73570) console log of the bug
After changing to dynpm with # echo dynpm > /sys/class/drm/card0/device/power_method I immediately get the attached kernel Oops.
Power profiles work fine.
https://bugzilla.kernel.org/show_bug.cgi?id=43367
--- Comment #1 from Alex Deucher alexdeucher@gmail.com 2012-06-13 21:58:48 --- Created an attachment (id=73588) --> (https://bugzilla.kernel.org/attachment.cgi?id=73588) possible fix
This patch should fix it.
https://bugzilla.kernel.org/show_bug.cgi?id=43367
Christoph Haag haagch.christoph@googlemail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |CODE_FIX
--- Comment #2 from Christoph Haag haagch.christoph@googlemail.com 2012-06-14 19:45:24 --- The patch fixes it. Thank you. :)
https://bugzilla.kernel.org/show_bug.cgi?id=43367
Florian Mickler florian@mickler.org changed:
What |Removed |Added ---------------------------------------------------------------------------- CC| |florian@mickler.org
--- Comment #3 from Florian Mickler florian@mickler.org 2012-07-01 09:44:25 --- A patch referencing this bug report has been merged in Linux v3.5-rc4:
commit 0ec0612a80f957000999c3f7b31a84e3558c719d Author: Alex Deucher alexander.deucher@amd.com Date: Thu Jun 14 15:54:57 2012 -0400
drm/radeon: fix regression in dynpm due to multi-ring rework
dri-devel@lists.freedesktop.org
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