Re: [Intel-gfx] [PATCH] drm/i915: Include HW status page in error capture

2014-01-24 Thread Ville Syrjälä
On Thu, Jan 23, 2014 at 10:40:36PM +, Chris Wilson wrote: > Many times in the past we have concluded that the cause of the GPU hang > has been that the hw status page was stale, usually because the GPU and > CPU disagreed over the address of the page. Having stumbled across yet > another issue

[Intel-gfx] [PATCH] drm/i915: Include HW status page in error capture

2014-01-23 Thread Chris Wilson
Many times in the past we have concluded that the cause of the GPU hang has been that the hw status page was stale, usually because the GPU and CPU disagreed over the address of the page. Having stumbled across yet another issue that seems to be related to the HWSP, it is time to include that infor