On Tue, Aug 13, 2013 at 6:34 PM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > On Tue, Aug 13, 2013 at 06:23:29PM +0200, Sedat Dilek wrote: >> On Tue, Aug 13, 2013 at 5:59 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> > 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). > > No indication of a GPU hang? I'm puzzled as to how this ends up with the > scanout being misread. > > cat /sys/kernel/debug/dri/0/i915_gem_stolen > cat /sys/kernel/debug/dri/0/i915_gem_framebuffer > > would be interesting. With revert-patch applied: $ sudo cat /sys/kernel/debug/dri/0/i915_gem_stolen Stolen: ffff88007f6f5200: p g 4128KiB 77 00 0 0 0 uncached (name: 1) (pinned x 1) (display) (ggtt offset: 00072000, size: 00408000) (stolen: 00000000) (p mappable) Total 1 objects, 4227072 bytes, 4227072 GTT size $ sudo cat /sys/kernel/debug/dri/0/i915_gem_framebuffer fbcon size: 1366 x 768, depth 24, 32 bpp, refcount 2, obj ffff88007f6f5200: p g 4128KiB 77 00 0 0 0 uncached (name: 1) (pinned x 1) (display) (ggtt offset: 00072000, size: 00408000) (stolen: 00000000) (p mappable) user size: 1366 x 768, depth 24, 32 bpp, refcount 3, obj ffff88007f6f5080: pXg 5120KiB 36 02 124873 124873 0 uncached dirty (name: 3) (pinned x 1) (display) (fence: 0) (ggtt offset: 0047a000, size: 00500000) (p mappable) (blitter ring) - Sedat - _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
