On 12/10/2013 04:23 PM, Daniel Vetter wrote:
On Tue, Dec 10, 2013 at 12:27:55PM +0400, Eugene Shatokhin wrote:
Hi,
I have recently observed a NULL pointer dereference in i915 driver
on my Eee PC running ROSA Linux with kernel 3.10.21.
The crash occurs during shutdown but quite rarely, not
0 (32-bit, prefetchable) [size=256M]
Memory at f7d0 (32-bit, non-prefetchable) [size=1M]
Expansion ROM at [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Kernel driver in use: i915
t all against
concurrent closing of the master fd. And it can't really since that
requires us to grab a mutex.
Instead of jumping through hoops and offloading this to a worker
thread just block this bit of code for the modesetting driver.
Reported-by: Eugene Shatokhin
Cc: Eugene Shatokhi
commit da2bc1b9db3351addd293e5b82757efe1f77ed1d
drm/i915: add poweroff_late handler
If I revert that change, hibernation works well.
Regards,
Eugene
--
Eugene Shatokhin, ROSA
www.rosalab.com
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