[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-26 Thread Chris Wilson
On Thu, 26 Aug 2010 02:15:20 +0200, Peter Stuge wrote: > It could be - the resetting backlight thing happened also before the > backlight commit. Before pulling I was using the directly preceding > commit. https://bugs.freedesktop.org/show_bug.cgi?id=29716 That patch isn't complete but is on the

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-26 Thread Chris Wilson
On Thu, 26 Aug 2010 02:15:20 +0200, Peter Stuge wrote: > It could be - the resetting backlight thing happened also before the > backlight commit. Before pulling I was using the directly preceding > commit. https://bugs.freedesktop.org/show_bug.cgi?id=29716 That patch isn't complete but is on the

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-26 Thread Peter Stuge
Chris Wilson wrote: > > > > Xv performance > > > > > > That should now be fixed in -intel, > > > > Sounds good! I'd love to test. Which branch/commit is that? > > Master with -vo xv should be good, if it doesn't hang. Doesn't hang, mplayer says: X11 error: BadAlloc (insufficient resources for

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-26 Thread Peter Stuge
Hi again, Chris Wilson wrote: > > In general, Xv performance with KMS leaves me with a feeling that > > something is not quite right in terms of playback, both with mplayer > > and vlc. But while movies are nice, this stalling issue is more > > important. > > That should now be fixed in -intel,

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-26 Thread Chris Wilson
On Thu, 26 Aug 2010 01:33:15 +0200, Peter Stuge wrote: > Hi again, > > Chris Wilson wrote: > > > In general, Xv performance with KMS leaves me with a feeling that > > > something is not quite right in terms of playback, both with mplayer > > > and vlc. But while movies are nice, this stalling iss

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Peter Stuge wrote: > Hello, new on list but not to the kernel. I also have the issue on > ThinkPad X40. As another data point, it seems that there was a similar problem with drm/radeon: https://bugs.freedesktop.org/show_bug.cgi?id=28411 [Bug 28411] Output polling causes latency every 10 seconds

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Hello, new on list but not to the kernel. I also have the issue on ThinkPad X40. 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) (prog-if 00 [VGA controller]) Subsystem: IBM Device 0557 Flags: bus master, fast devsel, latency 0,

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Chris Wilson
On Wed, 25 Aug 2010 21:15:06 +0200, Peter Stuge wrote: > In general, Xv performance with KMS leaves me with a feeling that > something is not quite right in terms of playback, both with mplayer > and vlc. But while movies are nice, this stalling issue is more > important. That should now be fixed

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Chris Wilson wrote: > > > > Xv performance > > > > > > That should now be fixed in -intel, > > > > Sounds good! I'd love to test. Which branch/commit is that? > > Master with -vo xv should be good, if it doesn't hang. Doesn't hang, mplayer says: X11 error: BadAlloc (insufficient resources for

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Chris Wilson
On Thu, 26 Aug 2010 01:33:15 +0200, Peter Stuge wrote: > Hi again, > > Chris Wilson wrote: > > > In general, Xv performance with KMS leaves me with a feeling that > > > something is not quite right in terms of playback, both with mplayer > > > and vlc. But while movies are nice, this stalling iss

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Hi again, Chris Wilson wrote: > > In general, Xv performance with KMS leaves me with a feeling that > > something is not quite right in terms of playback, both with mplayer > > and vlc. But while movies are nice, this stalling issue is more > > important. > > That should now be fixed in -intel,

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Chris Wilson
On Wed, 25 Aug 2010 21:15:06 +0200, Peter Stuge wrote: > In general, Xv performance with KMS leaves me with a feeling that > something is not quite right in terms of playback, both with mplayer > and vlc. But while movies are nice, this stalling issue is more > important. That should now be fixed

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Peter Stuge wrote: > Hello, new on list but not to the kernel. I also have the issue on > ThinkPad X40. As another data point, it seems that there was a similar problem with drm/radeon: https://bugs.freedesktop.org/show_bug.cgi?id=28411 [Bug 28411] Output polling causes latency every 10 seconds

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-25 Thread Peter Stuge
Hello, new on list but not to the kernel. I also have the issue on ThinkPad X40. 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated Graphics Device (rev 02) (prog-if 00 [VGA controller]) Subsystem: IBM Device 0557 Flags: bus master, fast devsel, latency 0,

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Chris Wilson
On Tue, 24 Aug 2010 09:49:02 +0100, Sitsofe Wheeler wrote: > On Tue, Aug 24, 2010 at 09:16:50AM +0100, Chris Wilson wrote: > > > > Ok, I'm a little happier that the hangcheck could be just another symptom > > of the problem... > > > > I think it is safe to assume that the bug is in i915, so res

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Sitsofe Wheeler
On Tue, Aug 24, 2010 at 09:16:50AM +0100, Chris Wilson wrote: > > Ok, I'm a little happier that the hangcheck could be just another symptom > of the problem... > > I think it is safe to assume that the bug is in i915, so restricting the > bisect to just drm seems plausible: > > git bisect start

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Chris Wilson
On Tue, 24 Aug 2010 08:57:41 +0100, Sitsofe Wheeler wrote: > The stalls became a bit better with the patch but there were still very > small pauses but the tearing with more recent X bits is definitely still > there. Additionally videos in totem would play as a tiny one pixel high > row about a q

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Sitsofe Wheeler
On Tue, Aug 24, 2010 at 01:12:22AM +0100, Chris Wilson wrote: > > From the error message, I'd suggest we'd tackle hangcheck - it simply > shouldn't be firing at all under normal circumstances. (Looking at it we > don't handle the introduction of the BSD ring correctly, but that is > irrelevant on

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Sitsofe Wheeler
On Tue, Aug 24, 2010 at 09:16:50AM +0100, Chris Wilson wrote: > > Ok, I'm a little happier that the hangcheck could be just another symptom > of the problem... > > I think it is safe to assume that the bug is in i915, so restricting the > bisect to just drm seems plausible: > > git bisect start

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Sitsofe Wheeler
On Tue, Aug 24, 2010 at 01:12:22AM +0100, Chris Wilson wrote: > > From the error message, I'd suggest we'd tackle hangcheck - it simply > shouldn't be firing at all under normal circumstances. (Looking at it we > don't handle the introduction of the BSD ring correctly, but that is > irrelevant on

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Chris Wilson
On Tue, 24 Aug 2010 09:49:02 +0100, Sitsofe Wheeler wrote: > On Tue, Aug 24, 2010 at 09:16:50AM +0100, Chris Wilson wrote: > > > > Ok, I'm a little happier that the hangcheck could be just another symptom > > of the problem... > > > > I think it is safe to assume that the bug is in i915, so rest

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Chris Wilson
On Tue, 24 Aug 2010 08:57:41 +0100, Sitsofe Wheeler wrote: > The stalls became a bit better with the patch but there were still very > small pauses but the tearing with more recent X bits is definitely still > there. Additionally videos in totem would play as a tiny one pixel high > row about a qu

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Chris Wilson
On Tue, 24 Aug 2010 00:35:51 +0100, Sitsofe Wheeler wrote: > Hi, > > With 2.6.36-rc2 I see periodic stalls when running with a stock Ubuntu > 10.04 userspace. These stalls were not present in 2.6.36-rc1 on an EeePC > 900 with an i915.

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-24 Thread Sitsofe Wheeler
Hi, With 2.6.36-rc2 I see periodic stalls when running with a stock Ubuntu 10.04 userspace. These stalls were not present in 2.6.36-rc1 on an EeePC 900 with an i915. Attempts to bisect the issue are not successful - most kernels in between rc1 and rc2 just make the system come up with a black scr

[REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-23 Thread Sitsofe Wheeler
Hi, With 2.6.36-rc2 I see periodic stalls when running with a stock Ubuntu 10.04 userspace. These stalls were not present in 2.6.36-rc1 on an EeePC 900 with an i915. Attempts to bisect the issue are not successful - most kernels in between rc1 and rc2 just make the system come up with a black scr

Re: [REGRESSION, i915]: Periodic stalls with 2.6.36-rc2

2010-08-23 Thread Chris Wilson
On Tue, 24 Aug 2010 00:35:51 +0100, Sitsofe Wheeler wrote: > Hi, > > With 2.6.36-rc2 I see periodic stalls when running with a stock Ubuntu > 10.04 userspace. These stalls were not present in 2.6.36-rc1 on an EeePC > 900 with an i915. >From the error message, I'd suggest we'd tackle hangcheck -