On Sun, Jul 28, 2013 at 01:43:02AM +0800, Chuansheng Liu wrote:
It is possible that during i915 device suspending with one pending hotplug work, one of cases is the device resume/suspend quickly.
At this case, the hotplug work will be executed even after device is OFF, in Intel Android platform, it will cause system hang.
See
1343070574-23917-1-git-send-email-chris@chris-wilson.co.uk http://lists.freedesktop.org/archives/intel-gfx/2012-July/019144.html
which is in response to the bug raised here
s5hlilr4s9h.wl%tiwai@suse.de http://lists.freedesktop.org/archives/intel-gfx/2012-April/016738.html -Chris