[Bug 106640] New: [CI][IGT] Hang with test sequence: gem_tiled_swapping at non-threaded drv_suspend at sysfs-reader

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106640

            Bug ID: 106640
           Summary: [CI][IGT] Hang with test sequence:
                    gem_tiled_swapping at non-threaded
                    drv_suspend at sysfs-reader
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tomi.p.sarvela at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Intel gens newer than ILK (SNB+) seem to hang/reboot reliably with test
sequence:

igt at kms_frontbuffer_tracking@fbc-rgb101010-draw-mmap-wc
igt at gem_tiled_swapping@non-threaded
igt at drv_suspend@sysfs-reader

Example:
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_47/fi-kbl-guc/igt@drv_suspend@sysfs-reader.html

>From Chris Wilson:
the race between i915 trying to swapin and scsi turning off is real

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