On Sun, Mar 17, 2013 at 03:11:21PM -0700, animelo...@gmail.com wrote:
> On Sun, 17 Mar 2013 21:37:23 +0000
> Chris Wilson <ch...@chris-wilson.co.uk> wrote:
>
> > On Sun, Mar 17, 2013 at 01:21:57PM -0700, animelo...@gmail.com wrote:
> > > Hi,
> > >
> > > After upgrade to intel-xorg-video 2.21.4 driver, (Intel 945GM chipset)
> > > xserver 1.12.4 crash repeatingly
> > > with sna enabled in xorg.conf.
> >
> > Your kernel is buggy.
> > -Chris
> >
> > --
> > Chris Wilson, Intel Open Source Technology Centre
>
> Yes i realize perhaps kernel 3.4.11 is unstable with this chipset... thus I
> will try upgrading to latest stable kernel (3.6.x) and rebuild intel video
> driver to see if i can repeat this bug with a more recent/updated version.
The bug wasn't fixed until v3.7, I thought it was much earlier:
commit e79e0fe380847493266fba557217e2773c61bd1b
Author: Dmitry Rogozhkin <dmitry.v.rogozh...@intel.com>
Date: Wed Oct 3 17:15:26 2012 +0300
drm/i915: EBUSY status handling added to i915_gem_fault().
Subsequent threads returning EBUSY from vm_insert_pfn() was not handled
correctly. As a result concurrent access from new threads to
mmapped data caused SIGBUS.
Note that this fixes i-g-t/tests/gem_threaded_tiled_access.
Tested-by: Mika Kuoppala <mika.kuopp...@intel.com>
Signed-off-by: Dmitry Rogozhkin <dmitry.v.rogozh...@intel.com>
Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
I need to add some runtime detection for broken kernels. :(
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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