[Bug 96526] New: [BAT] [IGT] gem_exec_suspend basic-s4 GPU hang after resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96526

            Bug ID: 96526
           Summary: [BAT] [IGT] gem_exec_suspend basic-s4 GPU hang after
                    resume
           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: marius.c.vlad at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org
     i915 platform: BSW/CHT

Created attachment 124525
  --> https://bugs.freedesktop.org/attachment.cgi?id=124525&action=edit
dump from intel_error_decode

Time        0:01:18.061184
            IGT-Version: 1.15-g3ce58b6 (x86_64) (Linux: 4.7.0-rc1+ x86_64)
            rtcwake: wakeup from "disk" using /dev/rtc0 at Fri Jun  3 12:20:58
2016
            Stack trace:
              #0 [__igt_fail_assert+0xf1]
              #1 [sig_abort+0x3a]
              #2 [killpg+0x40]
              #3 [ioctl+0x7]
              #4 [drmIoctl+0x28]
              #5 [__gem_execbuf+0x15]
Stdout        #6 [gem_has_ring+0x54]
              #7 [test_all+0x40]
              #8 [run_test+0x3fe]
              #9 [__real_main227+0x26f]
              #10 [main+0x23]
              #11 [__libc_start_main+0xf0]
              #12 [_start+0x29]
              #13 [<unknown>+0x29]
            Subtest basic-S4: FAIL (7.956s)


            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
gem_has_ring(fd, 0)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
can_mi_store_dword(gen, 0)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed: nengine
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
gem_has_ring(fd, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
can_mi_store_dword(gen, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed: nengine
            (gem_exec_suspend:7902) ioctl-wrappers-DEBUG: Test requirement
passed: __gem_set_caching(fd, handle, caching) == 0
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
__gem_execbuf(fd, &execbuf) == 0
            (gem_exec_suspend:7902) DEBUG: Verifying result
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
gem_has_ring(fd, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
can_mi_store_dword(gen, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed: nengine
            (gem_exec_suspend:7902) ioctl-wrappers-DEBUG: Test requirement
passed: __gem_set_caching(fd, handle, caching) == 0
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
__gem_execbuf(fd, &execbuf) == 0
            (gem_exec_suspend:7902) DEBUG: Verifying result
Stderr      (gem_exec_suspend:7902) DEBUG: Test requirement passed:
gem_has_ring(fd, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
can_mi_store_dword(gen, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed: nengine
            (gem_exec_suspend:7902) ioctl-wrappers-DEBUG: Test requirement
passed: __gem_set_caching(fd, handle, caching) == 0
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
__gem_execbuf(fd, &execbuf) == 0
            (gem_exec_suspend:7902) DEBUG: Verifying result
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
gem_has_ring(fd, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
can_mi_store_dword(gen, engine)
            (gem_exec_suspend:7902) DEBUG: Test requirement passed: nengine
            (gem_exec_suspend:7902) ioctl-wrappers-DEBUG: Test requirement
passed: __gem_set_caching(fd, handle, caching) == 0
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
__gem_execbuf(fd, &execbuf) == 0
            (gem_exec_suspend:7902) DEBUG: Verifying result
            (gem_exec_suspend:7902) ioctl-wrappers-DEBUG: Test requirement
passed: __gem_set_caching(fd, handle, caching) == 0
            (gem_exec_suspend:7902) DEBUG: Test requirement passed:
__gem_execbuf(fd, &execbuf) == 0
            (gem_exec_suspend:7902) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
            (gem_exec_suspend:7902) igt-aux-DEBUG: Test requirement passed:
system("rtcwake -n -s 30 -m disk" SQUELCH) == 0
            (gem_exec_suspend:7902) DEBUG: Verifying result
            (gem_exec_suspend:7902) igt-aux-CRITICAL: Test assertion failure
function sig_abort, file igt_aux.c:399:
            (gem_exec_suspend:7902) igt-aux-CRITICAL: Failed assertion: !"GPU
hung"


dmesg:

[  642.918976] [drm] stuck on blitter ring
[  642.918987] [drm] stuck on bsd ring
[  642.918993] [drm] stuck on video enhancement ring
[  642.930715] [drm] GPU HANG: ecode 8:1:0x5ccddf92, in gem_exec_suspen [6045],
reason: Engine(s) hung, action: reset
[  642.930921] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  642.930925] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  642.930929] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  642.930932] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  642.930935] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  642.938079] [drm:i915_set_reset_status [i915]] *ERROR* gpu hanging too fast,
banning!


S3 and S4 works fine without issuing batch commands to the GPU.

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