On Tue, Aug 13, 2013 at 5:59 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > On Tue, Aug 13, 2013 at 4:45 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> On Tue, Aug 13, 2013 at 4:07 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >>> On Tue, Aug 13, 2013 at 11:57 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >>>> On Tue, Aug 13, 2013 at 11:52 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >>>>> On Tue, Aug 13, 2013 at 11:47:19AM +0200, Sedat Dilek wrote: >>>>>> On Tue, Aug 13, 2013 at 11:39 AM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >>>>>> > On Tue, Aug 13, 2013 at 11:35:53AM +0200, Sedat Dilek wrote: >>>>>> >> After a logout from my "BROKEN" Unity-2D session - the login-screen >>>>>> >> for LightDM seems to be OK. >>>>>> >> Then entering my Unity-2D desktop is OK - no screen corruptions. >>>>>> > >>>>>> > What hardware and display do you have? >>>>>> >>>>>> It's a Samsung ultrabook with SandyBridge CPU. >>>>>> >>>>>> [ 333.291] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD >>>>>> Graphics 3000 >>>>> >>>>> using LVDS. >>>>> >>>>>> - Sedat - >>>>>> >>>>>> P.S.: I switched to intel-ddx v2-21-14-35-g5840bf in the meantime. >>>>> >>>>> Did that make a difference? It shouldn't if the error is occuring before >>>>> X even starts... >>>> >>>> NO, was just confused not seeing "GT2" (HD-3000 was new to me) in my >>>> Xorg.log :-). >>>> >>>> As said logging out of Unity-2D and entering LightDM greeter - screen is fine. >>>> Starting again a Unity-2D session - no screen corruption, too. >>>> >>>> - Sedat - >>> >>> Some more testing: >>> >>> [1] With my X stack: >>> >>> FIRST BAD: next-20130812 >>> LAST GOOD: next-20130809 >>> >>> [2] With Ubuntu's X stack: >>> >>> next-20130813 is OK (Xorg.log attached) >>> >> >> drm-intel-nightly is also BAD with my X stack (with Ubuntu's X stack >> no problems). >> > > I have bisected the issue on Linux v3.11-rc5 + drm-intel-nightly: > > 5456fe3882812aba251886e36fe55bfefb8e8829 is the first bad commit > commit 5456fe3882812aba251886e36fe55bfefb8e8829 > Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Date: Thu Aug 8 14:41:07 2013 +0100 > > drm/i915: Allocate LLC ringbuffers from stolen > > As stolen objects now behave identically (wrt to default LLC cacheing) > as their normal system counterparts, we no longer have to differentiate > our usage for ringbuffers. So allocate them from stolen on SNB+ as well. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > > :040000 040000 de063a052f39095f4d2f51b49caef9f827df41e8 > 1c819aa5501a9fcc9912a5c7c037c71b9b9e9a6b M drivers > > See also attached files! > With the attached revert-patch my system is OK (with my customized X stack). - Sedat -
Attachment:
0001-Revert-drm-i915-Allocate-LLC-ringbuffers-from-stolen.patch
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