linux-kernel - [lkp] [drm/i915] c1a415e261: gem_userptr_bli invoked oom-killer: gfp_mask=0x24280ca, order=0, oom_score

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Date:	Mon, 18 Jan 2016 10:55:54 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Chris Wilson <chris@...is-wilson.co.uk>
CC:	Daniel Vetter <daniel.vetter@...ll.ch>
Subject: [lkp] [drm/i915] c1a415e261: gem_userptr_bli invoked oom-killer:
 gfp_mask=0x24280ca, order=0, oom_score_adj=1000

FYI, we noticed the below changes on

git://anongit.freedesktop.org/drm-intel drm-intel-next-queued
commit c1a415e261aad096b3458ba9157fefd123aa7cbf ("drm/i915: Disable shrinker for non-swapped backed objects")

After OOM, the following new message was shown in kernel log.

<6>[   28.831871] Purging GPU memory, 0 bytes freed, 425984 bytes still pinned.
<3>[   28.833437] 0 and 4096 bytes still available in the bound and unbound GPU page lists.
<4>[   28.835150] gem_userptr_bli invoked oom-killer: gfp_mask=0x24280ca, order=0, oom_score_adj=1000
<6>[   28.836815] gem_userptr_bli cpuset=/ mems_allowed=0


To reproduce:

        git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml

Thanks,
Ying Huang

View attachment "config-4.4.0-rc4-00421-gc1a415e" of type "text/plain" (143112 bytes)

Download attachment "kmsg.xz" of type "application/x-xz" (24332 bytes)

View attachment "job.yaml" of type "text/plain" (2854 bytes)

Download attachment "reproduce.sh" of type "application/x-sh" (126 bytes)