[Bug 84450] [SNB]igt/gem_concurrent_blit some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84450

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #4 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #3)
> It complains of an invalid GTT entry from the TLB cache. Odd.
> 
> Could you dig out a few old kernels and check if this problem has always
> existed?
> 
> (For the record, my snb seems to run through this test just fine.)

I tried some kernels, they all fail. The early -next-queued kernel I tried is
34548e510657af829032f23120c01ebe48ef2(2014_07_20)

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