[Bug 90394] New: [SNB Regression]igt/kms_plane/plane-position-hole-dpms-pipe-a-plane-1 fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90394

            Bug ID: 90394
           Summary: [SNB
                    Regression]igt/kms_plane/plane-position-hole-dpms-pipe
                    -a-plane-1 fails
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115678
  --> https://bugs.freedesktop.org/attachment.cgi?id=115678&action=edit
dmesg

==System Environment==
--------------------------
Regression: yes

good commit:75d04a3773ecee617847de963ae4195d6aa74c28
bad commit: c457879f0d8f664050e46092afde46fec58c9e67

Non-working platforms: SNB

==kernel==
--------------------------
drm-intel-nightly/a1e469d124cad96cd0d0e149c84f7ebd43ca1893
commit a1e469d124cad96cd0d0e149c84f7ebd43ca1893
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Fri May 8 17:48:23 2015 +0200

    drm-intel-nightly: 2015y-05m-08d-15h-47m-50s UTC integration manifest

==Bug detailed description==
-----------------------------
It fails on SNB with drm-intel-nightly and drm-intel-next-queued kernel.
kms_plane at plane-position-hole-dpms-pipe-b-plane-1 also fails.

output:
IGT-Version: 1.10-g9b0a32d (x86_64) (Linux:
4.1.0-rc2_drm-intel-nightly_a1e469_20150509+ x86_64)
Testing connector LVDS-1 using pipe A plane 1
Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:207:
Failed assertion: a->crc[i] == b->crc[i]
error: 0xc7ee5 != 0xfc2ff
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [igt_assert_crc_equal+0x78]
  #2 [test_plane_position.constprop.9+0x2eb]
  #3 [run_tests_for_pipe_plane.constprop.6+0x279]
  #4 [__real_main407+0x5a]
  #5 [main+0x21]
  #6 [__libc_start_main+0xf5]
  #7 [_start+0x29]
  #8 [<unknown>+0x29]
Subtest plane-position-hole-dpms-pipe-A-plane-1 failed.
**** DEBUG ****
Test requirement passed: !(pipe >= data->display.n_pipes)
Test requirement passed: !(plane >= data->display.pipes[pipe].n_planes)
Testing connector LVDS-1 using pipe A plane 1
display: LVDS-1: set_pipe(A)
igt_create_fb_with_bo_size(width=1600, height=900, format=0x34325258 [bpp=32],
tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=1, pitch=6400)
display: A.0: plane_set_fb(53)
display: commit {
display:     LVDS-1: Selecting pipe A
display:     LVDS-1: SetCrtc pipe A, fb 53, panning (0, 0), mode 1600x900
display: }
display: A.0: plane_set_fb(0)
display: commit {
display:     LVDS-1: Selecting pipe A
display:     LVDS-1: SetCrtc pipe A, disabling
display: }
CRC for a (0.00,1.00,0.00) fb: 00691509 00549e8a 00691509 001bb5a0 00691509
display: LVDS-1: set_pipe(A)
igt_create_fb_with_bo_size(width=1600, height=900, format=0x34325258 [bpp=32],
tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=1, pitch=6400)
display: A.0: plane_set_fb(53)
igt_create_fb_with_bo_size(width=64, height=64, format=0x34325258 [bpp=32],
tiling=0x0, size=0
igt_create_fb_with_bo_size(handle=2, pitch=256)
display: A.1: plane_set_fb(54)
display: A.1: plane_set_position(132,132)
display: commit {
display:     LVDS-1: Selecting pipe A
display:     LVDS-1: SetCrtc pipe A, fb 53, panning (0, 0), mode 1600x900
display:     LVDS-1: SetPlane A.1, fb 54, src = (0, 0) 64x64 dst = (132, 132)
64x64
display: }
Test assertion failure function igt_assert_crc_equal, file igt_debugfs.c:207:
Failed assertion: a->crc[i] == b->crc[i]
error: 0xc7ee5 != 0xfc2ff
****  END  ****
Subtest plane-position-hole-dpms-pipe-A-plane-1: FAIL (1.485s)

==Reproduce steps==
---------------------------- 
1. ./kms_plane --run-subtest plane-position-hole-dpms-pipe-A-plane-1

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