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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BAT] igt@gem_exec_nop@basic-parallel - Failed assertion: !"GPU hung" - and its aftermath"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103514#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [BAT] igt@gem_exec_nop@basic-parallel - Failed assertion: !"GPU hung" - and its aftermath"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103514">bug 103514</a>
              from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
        <pre>Here is a patchwork example, although the patch was about enabling runtime_pm,
this pattern is repeating itself.
starting at:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@gem_exec_nop@basic-series.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@gem_exec_nop@basic-series.html</a>
fail:   
(gem_exec_nop:1852) igt-aux-CRITICAL: Test assertion failure function
sig_abort, file igt_aux.c:484:
(gem_exec_nop:1852) igt-aux-CRITICAL: Failed assertion: !"GPU hung"
Subtest basic-series failed.
dmesg:  
[  226.781384] Setting dangerous option reset - tainting kernel
[  243.856241] i915 0000:00:02.0: Resetting chip after gpu hang
[  245.063521] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[  245.063716] [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -5

then:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-a.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-a.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-b.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-c.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@hang-read-crc-pipe-c.html</a>
fail:
(kms_pipe_crc_basic:2326) igt-gt-CRITICAL: Test assertion failure function
igt_force_gpu_reset, file igt_gt.c:406:
(kms_pipe_crc_basic:2326) igt-gt-CRITICAL: Failed assertion: !wedged
(kms_pipe_crc_basic:2326) igt-gt-CRITICAL: Last errno: 9, Bad file descriptor
Subtest hang-read-crc-pipe-A failed.

and finally:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_6996/fi-glk-dsi/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html</a>
dmesg-warn:
[  375.382594] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[  375.382740] WARN_ON(reset && reset != -19)
[  375.382776] ------------[ cut here ]------------
[  375.382812] WARNING: CPU: 2 PID: 2383 at
drivers/gpu/drm/i915/i915_gem.c:4724 i915_gem_sanitize+0x52/0x80 [i915]
[  375.382814] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 x86_pkg_temp_thermal intel_powerclamp coretemp
crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm mei_me r8169 mii mei prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
[  375.382892] CPU: 2 PID: 2383 Comm: kworker/u8:7 Tainted: G     U         
4.14.0-rc8-CI-Patchwork_6996+ #1
[  375.382894] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[  375.382899] Workqueue: events_unbound async_run_entry_fn
[  375.382903] task: ffff88016e980040 task.stack: ffffc90002164000
[  375.382937] RIP: 0010:i915_gem_sanitize+0x52/0x80 [i915]
[  375.382939] RSP: 0018:ffffc90002167c58 EFLAGS: 00010292
[  375.382943] RAX: 000000000000001e RBX: ffff880166e00000 RCX:
0000000000000006
[  375.382945] RDX: 0000000000000006 RSI: ffffffff81d0ed64 RDI:
ffffffff81cc294e
[  375.382947] RBP: ffffc90002167c68 R08: 0000000000000000 R09:
0000000000000001
[  375.382949] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff880166e00070
[  375.382951] R13: 0000000000000000 R14: 0000000000000000 R15:
ffffffff81cea9cf
[  375.382954] FS:  0000000000000000(0000) GS:ffff88017fd00000(0000)
knlGS:0000000000000000
[  375.382957] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  375.382959] CR2: 000055b4ccc93068 CR3: 0000000003e0f000 CR4:
00000000003406e0
[  375.382961] Call Trace:
[  375.382997]  i915_gem_suspend+0x111/0x170 [i915]
[  375.383027]  i915_drm_suspend+0x6d/0x170 [i915]
[  375.383057]  i915_pm_suspend+0x28/0x40 [i915]
[  375.383063]  pci_pm_suspend+0x78/0x140
[  375.383068]  dpm_run_callback+0x6f/0x310
[  375.383072]  ? pci_pm_freeze+0xf0/0xf0
[  375.383077]  __device_suspend+0x102/0x380
[  375.383081]  ? dpm_watchdog_set+0x70/0x70
[  375.383087]  async_suspend+0x1f/0xa0
[  375.383091]  async_run_entry_fn+0x38/0x160
[  375.383096]  process_one_work+0x221/0x650
[  375.383103]  worker_thread+0x4e/0x3c0
[  375.383108]  kthread+0x114/0x150
[  375.383111]  ? process_one_work+0x650/0x650
[  375.383114]  ? kthread_create_on_node+0x40/0x40
[  375.383119]  ret_from_fork+0x27/0x40
[  375.383127] Code: 5d c3 be ff ff ff ff 48 89 df e8 2a e3 02 00 85 c0 74 ea
83 f8 ed 74 e5 48 c7 c6 58 aa 26 a0 48 c7 c7 a4 7a 25 a0 e8 4f df f7 e0 <0f> ff
eb ce 4c 8d 67 70 31 f6 4c 89 e7 e8 fc a0 79 e1 48 89 df 
[  375.383247] ---[ end trace 7978d132da79d715 ]---</pre>
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