ubuntu-x-swat team mailing list archive

[Bryce Harrington <714719@xxxxxxxxxxxxxxxxxx>]

>From the upstream bug report, they suggest testing with the following
kernel patch:

This patch would confirm my hypothesis that is an invalid unfenced
alignment:

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index f136899..c970b81 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1416,6 +1416,7 @@ i915_gem_get_unfenced_gtt_alignment(struct
drm_i915_gem_ob
            obj->tiling_mode == I915_TILING_NONE)
                return 4096;

+       return i915_gem_get_gtt_size(obj);
        /*
         * Older chips need unfenced tiled buffers to be aligned to the left
         * edge of an even tile row (where tile rows are counted as if the bo
is

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in ubuntu.
https://bugs.launchpad.net/bugs/714719

Title:
  [i915gm] GPU lockup (ESR: 0x00000001 IPEHR: 0x02000004)