[Bug 103514] [BAT] [GLK-DSI only] igt at gem_* - Failed assertion: !"GPU hung" - and its aftermath

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103514

--- Comment #30 from Marta Löfstedt <marta.lofstedt at intel.com> ---
Starts with:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3488/fi-glk-dsi/igt@gem_exec_flush@basic-wb-ro-before-default.html

(gem_exec_flush:1756) CRITICAL: Test assertion failure function run, file
gem_exec_flush.c:323:
(gem_exec_flush:1756) CRITICAL: Failed assertion: map[i] == i
(gem_exec_flush:1756) CRITICAL: error: 0x8e7c0142 != 0x142
Subtest basic-wb-ro-before-default failed.

then:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3488/fi-glk-dsi/igt@gem_exec_flush@basic-wb-ro-default.html

(gem_exec_flush:1761) igt-aux-CRITICAL: Test assertion failure function
sig_abort, file igt_aux.c:482:
(gem_exec_flush:1761) igt-aux-CRITICAL: Failed assertion: !"GPU hung"
Subtest basic-wb-ro-default failed.

then a lot of unexpected skips followed by:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3488/fi-glk-dsi/igt@gem_mmap@basic-small-bo.html


[  221.187721] BUG: unable to handle kernel paging request at 000000007276fe22
[  221.187743] IP: __lock_acquire+0xb0/0x15a0
[  221.187753] Oops: 0002 [#1] PREEMPT SMP
[  221.187761] Dumping ftrace buffer:
[  221.187766] ---------------------------------
[  221.187849] CPU:3 [LOST 86041 EVENTS]
               gem_exec-1765    3..s1 200397128us :
execlists_submission_tasklet: rcs0 in[0]:  ctx=2.2, seqno=80ab7

followed by Softdog:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3488/fi-glk-dsi/igt@gem_mmap_gtt@basic.html

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