From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 36642] Oops on vgaswitcheroo from intel IGD to radeon DIS.
Date: Sun, 25 Mar 2012 12:40:24 GMT
Message-ID: <201203251240.q2PCeOvm008922@bugzilla.kernel.org>
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https://bugzilla.kernel.org/show_bug.cgi?id=36642
Daniel Vetter changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |daniel@ffwll.ch
Component|Video(DRI - Intel) |Video(DRI - non Intel)
AssignedTo|drivers_video-dri-intel@ker |drivers_video-dri@kernel-bu
|nel-bugs.osdl.org |gs.osdl.org
--- Comment #2 from Daniel Reurich 2011-06-04 13:15:16 ---
Sorry should have mentioned it happened on a Hewlett Packard Pavilion
DV7-6015tx laptop (17.3" Widescreen with after market ram upgrade to 8GB and
Intel 160GB MLC SSD.
Also, to clarify, the order of events was:
1) issued "echo DDIS > /sys/kernel/debug/vgaswitcheroo/switch" in ssh remote
terminal.
2) issued "/etc/init.d/gdm3 restart"
3) gdm shutdown and the lcd screen went blank and my ssh session froze.
4) attempted to establish another ssh session. This failed too.
5) attempted ctrl-alt-delete followed by pressing the power button.
I currently only have remote (ssh) access to the machine and rely on others to
be the eyes and ears.
I'm trying to get the ability to switch between the Integrated intel graphics
and the Discrete AMD/ATI radeon graphics devices.
Keen to help debug this further.
Daniel.
--- Comment #3 from Daniel Vetter 2012-03-25 12:40:22 ---
I'm gonna blame radeon on this one ;-) Especially since the hang seems to only
happen when we start rendering on the radeon gpu (gdm3 starting), and at that
point drm/i915 shouldn't interfere with anything anymore at all ...
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