[Bug 105372] [IGT] some gem_* tests has a failed assertion: !"GPU hung"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105372

--- Comment #12 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
Hi Chris, about the comment 9
with DMC disabled and intel_iommu=igfx_off this was the results on CNL QA:

This tests has failed as incomplete (take more than 1 hour):
diferent failure <- BUG 104708
Tests List:
igt at gem_ctx_switch@blt-interruptible 
igt at gem_exec_flush@wb-rw-blt
igt at gem_exec_flush@wc-pro-blt

This tests has failed with assertion

igt at gem_exec_whisper@contexts-interruptible <- !"GPU hung" <-logs attached
igt at gem_userptr_blits@swapping-normal-sync <- diferent failure BUG 105402

This tests has pass successfully
igt at gem_ctx_switch@forked-blt-interruptible
igt at gem_shrink@get-pages-userptr

igt at gem_exec_whisper@contexts-interruptible output sample:
. . .
**** DEBUG ****
(gem_exec_whisper:877) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_exec_whisper:877) DEBUG: Test requirement passed: nengine
(gem_exec_whisper:877) i915/gem-context-DEBUG: Test requirement passed:
gem_has_contexts(fd)
(gem_exec_whisper:877) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_exec_whisper:877) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_exec_whisper:877) igt-aux-CRITICAL: Test assertion failure function
sig_abort, file igt_aux.c:481:
(gem_exec_whisper:877) igt-aux-CRITICAL: Failed assertion: !"GPU hung"
(gem_exec_whisper:877) igt-core-INFO: Stack trace:
(gem_exec_whisper:877) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(gem_exec_whisper:877) igt-core-INFO:   #1 [sig_abort+0x3a]
(gem_exec_whisper:877) igt-core-INFO:   #2 [killpg+0x40]
(gem_exec_whisper:877) igt-core-INFO:   #3 [__wait+0x1e]
(gem_exec_whisper:877) igt-core-INFO:   #4 [igt_waitchildren+0x68]
(gem_exec_whisper:877) igt-core-INFO:   #5 [whisper+0x25d]
(gem_exec_whisper:877) igt-core-INFO:   #6 [__real_main496+0x258]
(gem_exec_whisper:877) igt-core-INFO:   #7 [main+0x23]
(gem_exec_whisper:877) igt-core-INFO:   #8 [__libc_start_main+0xf1]
(gem_exec_whisper:877) igt-core-INFO:   #9 [_start+0x29]
(gem_exec_whisper:877) igt-core-INFO:   #10 [<unknown>+0x29]
****  END  ****
. . .

software:
IGT-Version: 1.21-g289202e (x86_64) (Linux:
4.16.0-rc4-drm-intel-qa-ww10-commit-6c6e100+ x86_64)

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