[Bug 81373] [ILK/IVB]dmesg error "[drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 193" after boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81373

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[ILK]dmesg error            |[ILK/IVB]dmesg error
                   |"[drm:drm_edid_block_valid] |"[drm:drm_edid_block_valid]
                   |*ERROR* EDID checksum is    |*ERROR* EDID checksum is
                   |invalid, remainder is 193"  |invalid, remainder is 193"
                   |after boot                  |after boot

--- Comment #3 from Guo Jinxian <jinxianx.guo at intel.com> ---
The failure is able to reproduce on latest
-nightly(8d1dbeed28a28ecf964769bf089503f0c90ffdaa) on IVB

[root at x-ivb9 tests]# ./kms_cursor_crc --run-subtest cursor-64x64-random
IGT-Version: 1.8-gbba1cd0 (x86_64) (Linux:
3.17.0_drm-intel-nightly_8d1dbe_20141020_debug+ x86_64)
Beginning cursor-64x64-random on pipe A, connector VGA-1
..................................................
cursor-64x64-random on pipe A, connector VGA-1: PASSED

Beginning cursor-64x64-random on pipe B, connector VGA-1
..................................................
cursor-64x64-random on pipe B, connector VGA-1: PASSED

Beginning cursor-64x64-random on pipe C, connector VGA-1
..................................................
cursor-64x64-random on pipe C, connector VGA-1: PASSED

Subtest cursor-64x64-random: SUCCESS (27.987s)
[root at x-ivb9 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[  423.651740] [drm:drm_edid_block_valid [drm]] *ERROR* EDID checksum is
invalid, remainder is 191
[root at x-ivb9 tests]#

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