[Bug 88651] [HSW]igt/gem_cs_prefetch & gem_dummy_reloc_loop & gem_cpu_reloc sporadically causes *ERROR* Hangcheck timer elapsed... blitter ring idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88651

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[HSW]igt/gem_cs_prefetch    |[HSW]igt/gem_cs_prefetch &
                   |sporadically causes *ERROR* |gem_dummy_reloc_loop &
                   |Hangcheck timer elapsed...  |gem_cpu_reloc sporadically
                   |blitter ring idle           |causes *ERROR* Hangcheck
                   |                            |timer elapsed... blitter
                   |                            |ring idle

--- Comment #1 from lu hua <huax.lu at intel.com> ---
gem_dummy_reloc_loop also has this error. Fail rate: 1/5

[root at x-hsw27 tests]# ./gem_dummy_reloc_loop --run-subtest blt
IGT-Version: 1.9-ga29f28e (x86_64) (Linux:
3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ x86_64)
running dummy loop on blt
dummy loop run on blt completed
Subtest blt: SUCCESS (6.048s)
[root at x-hsw27 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[   91.814292] [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer
elapsed... blitter ring idle

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