[Bug 83677] [HSW] GPU HANG: ecode 0:0x87d3bffa on ctx load

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83677

--- Comment #102 from Barry Scott <barry.scott at onelan.co.uk> ---
Created attachment 109331
  --> https://bugs.freedesktop.org/attachment.cgi?id=109331&action=edit
1037U kernel BUG traceback in i915 code

The picture shows a kernel BUG that we can reproduce on IvyBridge CPUs.
This traceback is from a 1037U running the kernel patched by Simon Farnsworth
with the advice of Chris Wilson.

We can reproduce but not at will.
We have test code that will provoke the bug given enough test runs.

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