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Date: Tue, 10 Nov 2020 15:19:54 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: Johannes Weiner <hannes@...xchg.org>,
Matthew Wilcox <willy@...radead.org>,
Hao_Xu <haoxu@...ux.alibaba.com>,
LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
lkp@...el.com
Subject: [mm] 324bcf54c4: xfstests.btrfs.215.fail
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 324bcf54c449c7b5b7024c9fa4549fbaaae1935d ("mm: use limited read-ahead to satisfy read")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: xfstests
version: xfstests-x86_64-d41dcbd-1_20201027
with following parameters:
disk: 6HDD
fs: btrfs
test: btrfs-group02
ucode: 0x28
test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
on test machine: 8 threads Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
2020-11-05 08:34:38 export TEST_DIR=/fs/sda1
2020-11-05 08:34:38 export TEST_DEV=/dev/sda1
2020-11-05 08:34:38 export FSTYP=btrfs
2020-11-05 08:34:38 export SCRATCH_MNT=/fs/scratch
2020-11-05 08:34:38 mkdir /fs/scratch -p
2020-11-05 08:34:38 export SCRATCH_DEV_POOL="/dev/sda2 /dev/sda3 /dev/sda4 /dev/sda5 /dev/sda6"
2020-11-05 08:34:38 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-group02
2020-11-05 08:34:38 ./check btrfs/003 btrfs/006 btrfs/009 btrfs/012 btrfs/015 btrfs/018 btrfs/021 btrfs/024 btrfs/027 btrfs/030 btrfs/033 btrfs/036 btrfs/039 btrfs/042 btrfs/045 btrfs/048 btrfs/051 btrfs/054 btrfs/057 btrfs/060 btrfs/063 btrfs/066 btrfs/070 btrfs/073 btrfs/076 btrfs/079 btrfs/082 btrfs/085 btrfs/088 btrfs/091 btrfs/094 btrfs/097 btrfs/100 btrfs/103 btrfs/106 btrfs/109 btrfs/112 btrfs/115 btrfs/118 btrfs/121 btrfs/124 btrfs/127 btrfs/130 btrfs/133 btrfs/136 btrfs/139 btrfs/142 btrfs/145 btrfs/148 btrfs/151 btrfs/155 btrfs/158 btrfs/161 btrfs/164 btrfs/167 btrfs/170 btrfs/173 btrfs/176 btrfs/179 btrfs/182 btrfs/185 btrfs/188 btrfs/191 btrfs/194 btrfs/197 btrfs/200 btrfs/203 btrfs/206 btrfs/209 btrfs/212 btrfs/215 btrfs/218 btrfs/221 btrfs/224
FSTYP -- btrfs
PLATFORM -- Linux/x86_64 lkp-hsw-d01 5.9.0-11379-g324bcf54c449c7 #1 SMP Tue Oct 20 01:00:43 CST 2020
MKFS_OPTIONS -- /dev/sda2
MOUNT_OPTIONS -- /dev/sda2 /fs/scratch
btrfs/003 18s
btrfs/006 2s
btrfs/009 1s
btrfs/012 [not run] btrfs-convert utility required, skipped this test
btrfs/015 1s
btrfs/018 0s
btrfs/021 5s
btrfs/024 1s
btrfs/027 11s
btrfs/030 1s
btrfs/033 24s
btrfs/036 25s
btrfs/039 1s
btrfs/042 4s
btrfs/045 1s
btrfs/048 2s
btrfs/051 2s
btrfs/054 1s
btrfs/057 16s
btrfs/060 135s
btrfs/063 124s
btrfs/066 114s
btrfs/070 211s
btrfs/073 113s
btrfs/076 1s
btrfs/079 53s
btrfs/082 1s
btrfs/085 2s
btrfs/088 [not run] FITRIM not supported on /fs/scratch
btrfs/091 1s
btrfs/094 1s
btrfs/097 1s
btrfs/100 50s
btrfs/103 1s
btrfs/106 1s
btrfs/109 1s
btrfs/112 2s
btrfs/115 14s
btrfs/118 1s
btrfs/121 0s
btrfs/124 [not run] Require module btrfs to be unloadable
btrfs/127 1s
btrfs/130 1s
btrfs/133 2s
btrfs/136 [not run] btrfs-convert utility required, skipped this test
btrfs/139 27s
btrfs/142 [not run] This test requires dm dust support
btrfs/145 1s
btrfs/148 5s
btrfs/151 2s
btrfs/155 1s
btrfs/158 2s
btrfs/161 1s
btrfs/164 [not run] Require module btrfs to be unloadable
btrfs/167 1s
btrfs/170 0s
btrfs/173 1s
btrfs/176 4s
btrfs/179 146s
btrfs/182 4s
btrfs/185 1s
btrfs/188 1s
btrfs/191 2s
btrfs/194 195s
btrfs/197 6s
btrfs/200 2s
btrfs/203 2s
btrfs/206 [not run] This test requires a valid $LOGWRITES_DEV
btrfs/209 1s
btrfs/212 17s
btrfs/215 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/215.out.bad)
--- tests/btrfs/215.out 2020-10-27 06:25:55.000000000 +0000
+++ /lkp/benchmarks/xfstests/results//btrfs/215.out.bad 2020-11-05 08:57:33.093932436 +0000
@@ -1,2 +1,3 @@
QA output created by 215
-Silence is golden
+Errors: 2 expected: 1
+(see /lkp/benchmarks/xfstests/results//btrfs/215.full for details)
...
(Run 'diff -u /lkp/benchmarks/xfstests/tests/btrfs/215.out /lkp/benchmarks/xfstests/results//btrfs/215.out.bad' to see the entire diff)
btrfs/218 1s
btrfs/221 1s
btrfs/224 2s
Ran: btrfs/003 btrfs/006 btrfs/009 btrfs/012 btrfs/015 btrfs/018 btrfs/021 btrfs/024 btrfs/027 btrfs/030 btrfs/033 btrfs/036 btrfs/039 btrfs/042 btrfs/045 btrfs/048 btrfs/051 btrfs/054 btrfs/057 btrfs/060 btrfs/063 btrfs/066 btrfs/070 btrfs/073 btrfs/076 btrfs/079 btrfs/082 btrfs/085 btrfs/088 btrfs/091 btrfs/094 btrfs/097 btrfs/100 btrfs/103 btrfs/106 btrfs/109 btrfs/112 btrfs/115 btrfs/118 btrfs/121 btrfs/124 btrfs/127 btrfs/130 btrfs/133 btrfs/136 btrfs/139 btrfs/142 btrfs/145 btrfs/148 btrfs/151 btrfs/155 btrfs/158 btrfs/161 btrfs/164 btrfs/167 btrfs/170 btrfs/173 btrfs/176 btrfs/179 btrfs/182 btrfs/185 btrfs/188 btrfs/191 btrfs/194 btrfs/197 btrfs/200 btrfs/203 btrfs/206 btrfs/209 btrfs/212 btrfs/215 btrfs/218 btrfs/221 btrfs/224
Not run: btrfs/012 btrfs/088 btrfs/124 btrfs/136 btrfs/142 btrfs/164 btrfs/206
Failures: btrfs/215
Failed 1 of 74 tests
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Oliver Sang
View attachment "config-5.9.0-11379-g324bcf54c449c7" of type "text/plain" (171426 bytes)
View attachment "job-script" of type "text/plain" (6145 bytes)
View attachment "dmesg" of type "text/plain" (470868 bytes)
View attachment "xfstests" of type "text/plain" (4199 bytes)
View attachment "job.yaml" of type "text/plain" (5290 bytes)
View attachment "reproduce" of type "text/plain" (1654 bytes)
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