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Date: Sun, 5 May 2019 13:30:30 +0800
From: kernel test robot <lkp@...el.com>
To: Zhaoyang Huang <huangzhaoyang@...il.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Vlastimil Babka <vbabka@...e.cz>,
Pavel Tatashin <pasha.tatashin@...een.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
David Rientjes <rientjes@...gle.com>,
Zhaoyang Huang <zhaoyang.huang@...soc.com>,
Roman Gushchin <guro@...com>, Jeff Layton <jlayton@...hat.com>,
Matthew Wilcox <mawilcox@...rosoft.com>,
Johannes Weiner <hannes@...xchg.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, lkp@...org
Subject: [RFC PATCH] mm/workingset ] dea0795270: BUG:kernel_hang_in_boot_stage
FYI, we noticed the following commit (built with gcc-7):
commit: dea079527088cffccd014c815ecaf5b0f0506c59 ("[[repost]RFC PATCH] mm/workingset : judge file page activity via timestamp")
url: https://github.com/0day-ci/linux/commits/Zhaoyang-Huang/RFC-PATCH-mm-workingset-judge-file-page-activity-via-timestamp/20190429-080234
in testcase: trinity
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 2G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-------------------------------+------------+------------+
| | 9520b5324b | dea0795270 |
+-------------------------------+------------+------------+
| boot_successes | 4 | 0 |
| boot_failures | 0 | 4 |
| BUG:kernel_hang_in_boot_stage | 0 | 4 |
+-------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
[ 0.067096] ACPI: Early table checksum verification disabled
[ 0.068955] ACPI: RSDP 0x00000000000F6840 000014 (v00 BOCHS )
[ 0.071039] ACPI: RSDT 0x000000007FFE15C9 000030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.073473] ACPI: FACP 0x000000007FFE149D 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.075983] ACPI: DSDT 0x000000007FFE0040 00145D (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
BUG: kernel hang in boot stage
Elapsed time: 140
qemu-img create -f qcow2 disk-vm-snb-2G-406-0 256G
qemu-img create -f qcow2 disk-vm-snb-2G-406-1 256G
To reproduce:
# build kernel
cd linux
cp config-5.1.0-rc6-00158-gdea07952 .config
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 prepare
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 modules_prepare
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 SHELL=/bin/bash
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 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
Thanks,
lkp
View attachment "config-5.1.0-rc6-00158-gdea07952" of type "text/plain" (120275 bytes)
View attachment "job-script" of type "text/plain" (4443 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (2424 bytes)
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