[Bug 101235] New: [BAT][HSW] igt at gem_exec_flush@basic-batch-kernel-default-cmd hard hanged

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101235

            Bug ID: 101235
           Summary: [BAT][HSW]
                    igt at gem_exec_flush@basic-batch-kernel-default-cmd hard
                    hanged
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

The machine fi-hsw-4770r hard-hanged when running
igt at gem_exec_flush@basic-batch-kernel-default-cmd on CI_DRM_2671. The only
thing that looks a little suspicious in the logs is this:


[  104.040011] [IGT] gem_exec_fence: starting subtest await-hang-default
[  106.726854] [drm:missed_breadcrumb [i915]] vecs0 missed breadcrumb at
intel_breadcrumbs_hangcheck+0x5c/0x80 [i915], irq posted? no, current
seqno=4f3d, last=4f3e
[  112.762486] [drm] GPU HANG: ecode 7:0:0xe757feff, in gem_exec_fence [1670],
reason: Hang on rcs0, action: reset
[  112.762778] [drm:i915_reset_and_wakeup [i915]] resetting chip
[  112.762851] drm/i915: Resetting chip after gpu hang
[  112.763002] [drm:i915_gem_reset [i915]] context gem_exec_fence[1670]/0
marked guilty (score 10) banned? no
[  112.763035] [drm:i915_gem_reset [i915]] resetting rcs0 to restart from tail
of request 0x5966c
[  112.763205] [drm:intel_print_rc6_info [i915]] Enabling RC6 states: RC6 on
[  112.763379] [drm:init_workarounds_ring [i915]] rcs0: Number of context
specific w/a: 0
[  112.774296] [IGT] gem_exec_fence: exiting, ret=0

Full logs:
https://intel-gfx-ci.01.org/CI/CI_DRM_2671/fi-hsw-4770r/igt@gem_exec_flush@basic-batch-kernel-default-cmd.html

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