Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-08-31 Thread Ben Widawsky
On Mon, 22 Aug 2011 09:53:11 -0700 Jesse Barnes jbar...@virtuousgeek.org wrote: On Fri, 10 Jun 2011 10:06:39 -0400 Andrew Lutomirski l...@mit.edu wrote: On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt e...@anholt.net wrote: I fear this bug is just getting more asynchronous with the GPU

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-08-31 Thread Andrew Lutomirski
On Mon, Aug 22, 2011 at 12:53 PM, Jesse Barnes jbar...@virtuousgeek.org wrote: On Fri, 10 Jun 2011 10:06:39 -0400 Andrew Lutomirski l...@mit.edu wrote: On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt e...@anholt.net wrote: I fear this bug is just getting more asynchronous with the GPU means we

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-08-31 Thread Keith Packard
On Wed, 31 Aug 2011 14:30:00 -0400, Andrew Lutomirski l...@mit.edu wrote: Yes. On the latest -rc, the system still freezes hard when mutter starts up if I set i915.semaphores=1. Ok. You said that you were running compiz before and that failed, and are now running mutter and that fails also?

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-08-31 Thread Andrew Lutomirski
Yes. I suspect that, as soon as any 3D happens, the machine locks hard. How does it even get into a state that makes the hardware reset button not work? On Aug 31, 2011 3:08 PM, Keith Packard kei...@keithp.com wrote: On Wed, 31 Aug 2011 14:30:00 -0400, Andrew Lutomirski l...@mit.edu wrote:

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-08-22 Thread Jesse Barnes
On Fri, 10 Jun 2011 10:06:39 -0400 Andrew Lutomirski l...@mit.edu wrote: On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt e...@anholt.net wrote: I fear this bug is just getting more asynchronous with the GPU means we trigger race conditions on the GPU more easily.  On that note, could you

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-06-10 Thread Andrew Lutomirski
On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt e...@anholt.net wrote: On Thu, 19 May 2011 16:50:00 -0400, Andrew Lutomirski l...@mit.edu wrote: On Thu, May 19, 2011 at 3:56 PM, Keith Packard kei...@keithp.com wrote: On Fri, 13 May 2011 12:14:54 -0400, Andy Lutomirski l...@mit.edu wrote: My

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-05-24 Thread Andrew Lutomirski
On Thu, May 19, 2011 at 4:50 PM, Andrew Lutomirski l...@mit.edu wrote: On Thu, May 19, 2011 at 3:56 PM, Keith Packard kei...@keithp.com wrote: On Fri, 13 May 2011 12:14:54 -0400, Andy Lutomirski l...@mit.edu wrote: My Q67 / i7-2600 box has rev09 Sandy Bridge graphics.  It hangs instantly when

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-05-24 Thread Keith Packard
On Tue, 24 May 2011 13:10:27 -0400, Andrew Lutomirski l...@mit.edu wrote: I'm getting hangs on my X220 Core i7 laptop as well with 2.6.39 and i915.semaphores=1. They're not as reliable -- sometimes the system hangs on log in, sometimes after a few seconds, and sometimes it doesn't hang.

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-05-19 Thread Keith Packard
On Fri, 13 May 2011 12:14:54 -0400, Andy Lutomirski l...@mit.edu wrote: My Q67 / i7-2600 box has rev09 Sandy Bridge graphics. It hangs instantly when GNOME loads and it hangs so hard the reset button doesn't work. Setting i915.semaphore=0 fixes it. Can you describe precisely what hardware

Re: [Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0

2011-05-15 Thread Keith Packard
On Fri, 13 May 2011 12:14:54 -0400, Andy Lutomirski l...@mit.edu wrote: -unsigned int i915_semaphores = 1; +unsigned int i915_semaphores = 0; module_param_named(semaphores, i915_semaphores, int, 0600); Acked-by: Keith Packard kei...@keithp.com -- keith.pack...@intel.com pgphrzmB2DHbN.pgp