[Bug 96448] New: [BDW]igt at kms_pipe_crc_basic@suspend-read-crc-pipe-? cause dmesg warn

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96448

            Bug ID: 96448
           Summary: [BDW]igt at kms_pipe_crc_basic@suspend-read-crc-pipe-?
                    cause dmesg warn
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: coredump at live.cn
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Meet this in ABAT:
https://patchwork.freedesktop.org/series/7208/

Platform: ro-bdw-i7-5557U
Error message:

/opt/igt/tests/kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-A  
dmesg [  389.107576] Suspending console(s) (use no_console_suspend to debug)
[  389.108905] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  389.111748] sd 0:0:0:0: [sda] Stopping disk
[  389.263721] Broke affinity for irq 23
[  389.263724] Broke affinity for irq 42
[  389.263726] Broke affinity for irq 43
[  389.273575]  cache: parent cpu1 should not be sleeping
[  389.280149]  cache: parent cpu2 should not be sleeping
[  389.285083]  cache: parent cpu3 should not be sleeping
[  389.329483] sd 0:0:0:0: [sda] Starting disk
[  389.845328] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to enable link training
[  389.928992] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization

 /opt/igt/tests/kms_pipe_crc_basic --run-subtest suspend-read-crc-pipe-B  
dmesg [  404.434876] Suspending console(s) (use no_console_suspend to debug)
[  404.436248] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[  404.440614] sd 0:0:0:0: [sda] Stopping disk
[  404.596305] Broke affinity for irq 42
[  404.605813]  cache: parent cpu1 should not be sleeping
[  404.612288]  cache: parent cpu2 should not be sleeping
[  404.617202]  cache: parent cpu3 should not be sleeping
[  404.670701] sd 0:0:0:0: [sda] Starting disk
[  405.174083] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR*
failed to enable link training
[  405.257779] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization

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