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Date: Mon, 8 Aug 2016 16:00:34 +0800
From: kernel test robot <xiaolong.ye@...el.com>
To: Mike Snitzer <snitzer@...hat.com>
Cc: Akira Hayakawa <ruby.wktk@...il.com>,
LKML <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [lkp] [dm flakey] 99f3c90d0d: WARNING: CPU: 20 PID: 1027 at
fs/btrfs/extent-tree.c:2973 btrfs_run_delayed_refs+0x2c5/0x2f0 [btrfs]
FYI, we noticed the following commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 99f3c90d0d85708e7401a81ce3314e50bf7f2819 ("dm flakey: error READ bios during the down_interval")
in testcase: xfstests
with following parameters:
disk: 4HDD
fs: btrfs
test: generic-slow3
on test machine: 24 threads Westmere-EP with 16G memory
caused below changes:
kern :err : [ 326.754793] BTRFS error (device dm-0): bdev /dev/mapper/flakey-test errs: wr 0, rd 1, flush 0, corrupt 0, gen 0
kern :err : [ 326.765309] BTRFS error (device dm-0): bdev /dev/mapper/flakey-test errs: wr 0, rd 2, flush 0, corrupt 0, gen 0
kern :warn : [ 326.775848] ------------[ cut here ]------------
kern :warn : [ 326.780679] WARNING: CPU: 20 PID: 1027 at fs/btrfs/extent-tree.c:2973 btrfs_run_delayed_refs+0x2c5/0x2f0 [btrfs]
kern :debug : [ 326.792555] BTRFS: Transaction aborted (error -5)
kern :warn : [ 326.797436] Modules linked in: dm_flakey ipmi_devintf dm_mod btrfs xor raid6_pq ses enclosure rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver sg sr_mod cdrom ata_generic sd_mod pata_acpi intel_powerclamp coretemp kvm_intel mptsas mptscsih kvm snd_pcm irqbypass crct10dif_pclmul crc32_pclmul snd_timer crc32c_intel pata_jmicron mptbase ahci libahci snd ghash_clmulni_intel soundcore ppdev aesni_intel lrw gf128mul glue_helper ablk_helper cryptd scsi_transport_sas i7core_edac ipmi_si serio_raw pcspkr libata parport_pc edac_core shpchp parport ipmi_msghandler acpi_cpufreq
kern :warn : [ 326.851992] CPU: 20 PID: 1027 Comm: umount Not tainted 4.7.0-10769-g99f3c90 #1
kern :warn : [ 326.859514] Hardware name: Supermicro X8DTN/X8DTN, BIOS 4.6.3 01/06/2010
kern :warn : [ 326.866388] 0000000000000000 ffff8803f905bc30 ffffffff8143e1d9 ffff8803f905bc80
kern :warn : [ 326.874322] 0000000000000000 ffff8803f905bc70 ffffffff8107e50b 00000b9d3bc41000
kern :warn : [ 326.882251] ffffffffa04a25d0 ffff88043b7e0850 ffff88043dd56730 0000000000000000
kern :warn : [ 326.890185] Call Trace:
kern :warn : [ 326.892810] [<ffffffff8143e1d9>] dump_stack+0x63/0x8a
kern :warn : [ 326.898123] [<ffffffff8107e50b>] __warn+0xcb/0xf0
kern :warn : [ 326.903090] [<ffffffff8107e57f>] warn_slowpath_fmt+0x4f/0x60
kern :warn : [ 326.909019] [<ffffffffa04046c5>] btrfs_run_delayed_refs+0x2c5/0x2f0 [btrfs]
kern :warn : [ 326.916240] [<ffffffff811e3df6>] ? kmem_cache_alloc+0x1a6/0x1c0
kern :warn : [ 326.922429] [<ffffffffa041aa33>] btrfs_commit_transaction+0x43/0xa90 [btrfs]
kern :warn : [ 326.929744] [<ffffffffa03e61e6>] btrfs_sync_fs+0x66/0x130 [btrfs]
kern :warn : [ 326.936096] [<ffffffff8123dcb3>] sync_filesystem+0x73/0xa0
kern :warn : [ 326.941842] [<ffffffff8120b347>] generic_shutdown_super+0x27/0x100
kern :warn : [ 326.948280] [<ffffffff8120b6b2>] kill_anon_super+0x12/0x20
kern :warn : [ 326.954030] [<ffffffffa03e73f8>] btrfs_kill_super+0x18/0x110 [btrfs]
kern :warn : [ 326.960649] [<ffffffff8120b863>] deactivate_locked_super+0x43/0x70
kern :warn : [ 326.967087] [<ffffffff8120bd4a>] deactivate_super+0x5a/0x60
kern :warn : [ 326.972918] [<ffffffff8122a6cf>] cleanup_mnt+0x3f/0x90
kern :warn : [ 326.978317] [<ffffffff8122a762>] __cleanup_mnt+0x12/0x20
kern :warn : [ 326.983890] [<ffffffff8109c175>] task_work_run+0x85/0xc0
kern :warn : [ 326.989464] [<ffffffff810032a2>] exit_to_usermode_loop+0xc2/0xd0
kern :warn : [ 326.995729] [<ffffffff81003b41>] syscall_return_slowpath+0xa1/0xb0
kern :warn : [ 327.002175] [<ffffffff819322ba>] entry_SYSCALL_64_fastpath+0xa2/0xa4
kern :warn : [ 327.002223] ---[ end trace 0e82b94d9eb7c6ea ]---
kern :crit : [ 327.002225] BTRFS: error (device dm-0) in btrfs_run_delayed_refs:2973: errno=-5 IO failure
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,
Xiaolong
View attachment "config-4.7.0-10769-g99f3c90" of type "text/plain" (152264 bytes)
Download attachment "kmsg.xz" of type "application/octet-stream" (29368 bytes)
View attachment "job.yaml" of type "text/plain" (3672 bytes)
View attachment "reproduce" of type "text/plain" (886 bytes)
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