Created attachment 115145 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes

good commit: 2d1070b21e004609a5bebafdb4303bb021f5477c
bad commit: 097f8261ddda4b1896dd335dec95dedeecfeaa1b

Non-working platforms: BSW

==kernel==
--------------------------
drm-intel-nightly/d600654ab94b325f253e267422dcf60302120ea0
commit d600654ab94b325f253e267422dcf60302120ea0
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Apr 16 17:54:10 2015 +0200

    drm-intel-nightly: 2015y-04m-16d-15h-53m-28s UTC integration manifest

==Bug detailed description==
-----------------------------
It fails on BSW with drm-intel-nightly and drm-intel-next-queued kernel.
Following cases also fails:
igt@gem_evict_alignment@minor-interruptible
igt@gem_evict_alignment@minor-normal
igt@gem_evict_everything@minor-hang
igt@gem_evict_everything@minor-interruptible
igt@gem_evict_everything@minor-normal

output:
IGT-Version: 1.10-gbeddb3b (x86_64) (Linux: 4.0.0-rc7_drm-intel-next-queued_097f82_20150417+ x86_64)
Test assertion failure function copy, file gem_evict_alignment.c:130:
Failed assertion: ret == error
error: 0 != 28
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [major_evictions.constprop.0+0x0]
  #2 [minor_evictions.constprop.1+0x14e]
  #3 [__real_main194+0x1bc]
  #4 [main+0x21]
  #5 [__libc_start_main+0xf5]
  #6 [_start+0x29]
  #7 [<unknown>+0x29]
Subtest minor-hang failed.
**** DEBUG ****
Checking 3072 surfaces of size 1048576 bytes (total 3222798336) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Test assertion failure function copy, file gem_evict_alignment.c:130:
Failed assertion: ret == error
error: 0 != 28
****  END  ****
Subtest minor-hang: FAIL (2.920s)

==Reproduce steps==
---------------------------- 
1. ./gem_evict_alignment --run-subtest minor-hang