[Bug 102936] [IGT] gem_ctx_thrash single test assertion failure on function gem_set_domain

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102936

--- Comment #12 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
Created attachment 135831
  --> https://bugs.freedesktop.org/attachment.cgi?id=135831&action=edit
dmesg_gem_ctx_trash-single_5hrs

I ran igt at gem_ctx_thrash@single for more than 5 hours and the test didn't
finish. I got a lot of this in the dmesg:

[ 6405.088379] INFO: task kswapd0:42 blocked for more than 120 seconds.
[ 6405.088398]       Tainted: G     U          
4.15.0-rc1-drm-intel-qa-ww48-commit-0645c6d+ #1
[ 6405.088406] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 6405.088415] kswapd0         D    0    42      2 0x80000000
[ 6405.088422] Call Trace:
[ 6405.088443]  ? __schedule+0x3c1/0x890
[ 6405.088449]  schedule+0x32/0x80
[ 6405.088456]  io_schedule+0x12/0x40
[ 6405.088463]  __lock_page+0x102/0x140
[ 6405.088468]  ? page_cache_tree_insert+0xd0/0xd0
[ 6405.088475]  deferred_split_scan+0x252/0x2b0
[ 6405.088482]  shrink_slab.part.50+0x1f5/0x410
[ 6405.088489]  shrink_node+0x314/0x320
[ 6405.088495]  kswapd+0x32a/0x730
[ 6405.088505]  kthread+0xf5/0x130
[ 6405.088510]  ? mem_cgroup_shrink_node+0x180/0x180
[ 6405.088515]  ? kthread_associate_blkcg+0x90/0x90
[ 6405.088520]  ? kthread_associate_blkcg+0x90/0x90
[ 6405.088525]  ret_from_fork+0x1f/0x30

Hope this is the information that was being looked after.

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