If you do see this regularly and want to test something, please try
applying this to your kernel:
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
b/drivers/gpu/drm/i915/i915_gem_context.c
index a1e8ecb..b9b8917 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -315,7 +315,7 @@ mi_set_context(struct intel_ring_buffer *ring,
* explicitly, so we rely on the value at ring init, stored in
* itlb_before_ctx_switch.
*/
- if (IS_GEN6(ring->dev) && ring->itlb_before_ctx_switch) {
+ if (ring->itlb_before_ctx_switch) {
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, 0);
if (ret)
return ret;
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1152165
Title:
[ivb] GPU lockup IPEHR: 0xffffffff upon context restore
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1152165/+subscriptions
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