[Bug 89959] [SKL]igt/gem_concurrent_blit subcase sporadically causes system hang and *ERROR* blitter: timed out waiting for forcewake ack to clear.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89959

--- Comment #4 from lu hua <huax.lu at intel.com> ---
Created attachment 115618
  --> https://bugs.freedesktop.org/attachment.cgi?id=115618&action=edit
dmesg(netconsole)

update dmesg.

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