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Message-ID: <20210329083715.GE3633@xsang-OptiPlex-9020>
Date: Mon, 29 Mar 2021 16:37:15 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Roman Gushchin <guro@...com>
Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
lkp@...ts.01.org, Dennis Zhou <dennis@...nel.org>,
Tejun Heo <tj@...nel.org>, Christoph Lameter <cl@...ux.com>,
Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
Roman Gushchin <guro@...com>
Subject: [percpu] 28c9dada65: invoked_oom-killer:gfp_mask=0x
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 28c9dada655513462112084f5f1769ee49d6fe87 ("[PATCH rfc 3/4] percpu: on demand chunk depopulation")
url: https://github.com/0day-ci/linux/commits/Roman-Gushchin/percpu-partial-chunk-depopulation/20210325-030746
base: https://git.kernel.org/cgit/linux/kernel/git/dennis/percpu.git for-next
in testcase: trinity
version: trinity-i386-4d2343bd-1_20200320
with following parameters:
group: group-01
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+---------------------------------------------------------+------------+------------+
| | 0a6ed3d793 | 28c9dada65 |
+---------------------------------------------------------+------------+------------+
| boot_successes | 6 | 0 |
| boot_failures | 0 | 6 |
| invoked_oom-killer:gfp_mask=0x | 0 | 6 |
| Mem-Info | 0 | 6 |
| Out_of_memory_and_no_killable_processes | 0 | 6 |
| Kernel_panic-not_syncing:System_is_deadlocked_on_memory | 0 | 6 |
+---------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 72.401445] sched_clock: Marking stable (72389059227, 7785428)->(72395497054, 1347601)
[ 72.406619] Key type ._fscrypt registered
[ 72.407360] Key type .fscrypt registered
[ 72.408007] Key type fscrypt-provisioning registered
[ 72.408830] kAFS: Red Hat AFS client v0.1 registering.
[ 74.658476] kthreadd invoked oom-killer: gfp_mask=0x400dc0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=1, oom_score_adj=0
[ 74.660419] CPU: 0 PID: 2 Comm: kthreadd Not tainted 5.11.0-rc7-00006-g28c9dada6555 #2
[ 74.661823] Call Trace:
[ 74.662271] dump_stack (kbuild/src/consumer/lib/dump_stack.c:131)
[ 74.662854] dump_header (kbuild/src/consumer/mm/oom_kill.c:464)
[ 74.663464] out_of_memory (kbuild/src/consumer/mm/oom_kill.c:1107)
[ 74.664143] __alloc_pages_slowpath+0x6fa/0x7bc
[ 74.665117] __alloc_pages_nodemask (kbuild/src/consumer/mm/page_alloc.c:5014)
To reproduce:
# build kernel
cd linux
cp config-5.11.0-rc7-00006-g28c9dada6555 .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare modules_prepare bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
View attachment "config-5.11.0-rc7-00006-g28c9dada6555" of type "text/plain" (116254 bytes)
View attachment "job-script" of type "text/plain" (4300 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (11792 bytes)
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