[Bug 75244] [BYT Regression]igt/gem_concurrent_blit/gtt-gpu-read-after-write-forked causes *ERROR* timed out waiting for Punit

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75244

--- Comment #6 from lu hua <huax.lu at intel.com> ---
Created attachment 100700
  --> https://bugs.freedesktop.org/attachment.cgi?id=100700&action=edit
dmesg

(In reply to comment #5)
> Created attachment 100521 [details] [review]
> increase punit timeout
> 
> Can you try this one instead?

Test this patch, It still has this error.

output:
IGT-Version: 1.6-g18d2130 (x86_64) (Linux: 3.15.0-rc8_kcloud_d26d81_20140609+
x86_64)
using 2x512 buffers, each 1MiB
Subtest gtt-gpu-read-after-write-forked: SUCCESS

# dmesg -r | egrep "<[1-3]>" |grep drm
<3>[  415.785361] [drm:vlv_set_rps_idle] *ERROR* timed out waiting for Punit

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