From: Jan Kara <jack@suse.cz>
To: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
Cc: Jan Kara <jack@suse.cz>, Theodore Ts'o <tytso@mit.edu>,
fstests <fstests@vger.kernel.org>
Subject: Re: generic/269 hangs on lastest upstream kernel
Date: Wed, 12 Feb 2020 11:54:33 +0100 [thread overview]
Message-ID: <20200212105433.GH25573@quack2.suse.cz> (raw)
In-Reply-To: <59a10449-9e0f-f289-2f9f-a2028fb0b3ca@cn.fujitsu.com>
Hello!
On Tue 11-02-20 16:14:35, Yang Xu wrote:
> Since xfstests support rename2, this case(generic/269) reports filesystem
> inconsistent problem with ext4 on my system(4.18.0-32.el8.x86_64).
I don't remember seeing this in my testing... It might be specific to that
RHEL kernel.
> When I test generic/269(ext4) on 5.6.0-rc1 kernel, it hangs.
> ----------------------------------------------
> dmesg as below:
> 76.506753] run fstests generic/269 at 2020-02-11 05:53:44
> [ 76.955667] EXT4-fs (sdc): mounted filesystem with ordered data mode.
> Opts: acl, user_xattr
> [ 100.912511] device virbr0-nic left promiscuous mode
> [ 100.912520] virbr0: port 1(virbr0-nic) entered disabled state
> [ 246.801561] INFO: task dd:17284 blocked for more than 122 seconds.
> [ 246.801564] Not tainted 5.6.0-rc1 #41
> [ 246.801565] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
> this mes sage.
> [ 246.801566] dd D 0 17284 16931 0x00000080
> [ 246.801568] Call Trace:
> [ 246.801584] ? __schedule+0x251/0x690
> [ 246.801586] schedule+0x40/0xb0
> [ 246.801588] wb_wait_for_completion+0x52/0x80
> [ 246.801591] ? finish_wait+0x80/0x80
> [ 246.801592] __writeback_inodes_sb_nr+0xaa/0xd0
> [ 246.801593] try_to_writeback_inodes_sb+0x3c/0x50
Interesting. Does the hang resolve eventually or the machine is hung
permanently? If the hang is permanent, can you do:
echo w >/proc/sysrq-trigger
and send us the stacktraces from dmesg? Thanks!
Honza
> [ 246.801609] ext4_nonda_switch+0x7b/0x80 [ext4]
> [ 246.801618] ext4_da_write_begin+0x6f/0x480 [ext4]
> [ 246.801621] generic_perform_write+0xf4/0x1b0
> [ 246.801628] ext4_buffered_write_iter+0x8d/0x120 [ext4]
> [ 246.801634] ext4_file_write_iter+0x6e/0x700 [ext4]
> [ 246.801636] new_sync_write+0x12d/0x1d0
> [ 246.801638] vfs_write+0xa5/0x1a0
> [ 246.801640] ksys_write+0x59/0xd0
> [ 246.801643] do_syscall_64+0x55/0x1b0
> [ 246.801645] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 246.801646] RIP: 0033:0x7fe9ec947b28
> [ 246.801650] Code: Bad RIP value.
> ----------------------------------------------
>
> Does anyone also meet this problem?
>
> Best Regards
> Yang Xu
>
>
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
next prev parent reply other threads:[~2020-02-12 10:54 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-11 8:14 generic/269 hangs on lastest upstream kernel Yang Xu
2020-02-12 10:54 ` Jan Kara [this message]
2020-02-13 8:49 ` Yang Xu
2020-02-13 17:08 ` Theodore Y. Ts'o
2020-02-14 1:14 ` Yang Xu
2020-02-14 14:05 ` Theodore Y. Ts'o
[not found] ` <7adf16bf-d527-1c25-1a24-b4d5e4d757c4@cn.fujitsu.com>
2020-02-18 14:35 ` Theodore Y. Ts'o
2020-02-19 10:57 ` Yang Xu
2020-02-13 21:10 ` Jan Kara
[not found] ` <062ac52c-3a16-22ef-6396-53334ed94783@cn.fujitsu.com>
2020-02-14 15:00 ` Jan Kara
2020-02-18 3:25 ` Yang Xu
2020-02-18 8:24 ` Jan Kara
2020-02-18 9:46 ` Yang Xu
2020-02-18 11:03 ` Jan Kara
2020-02-19 10:09 ` Yang Xu
[not found] ` <73af3d5c-ca64-3ad3-aee2-1e78ee4fae4a@cn.fujitsu.com>
2020-02-19 12:43 ` Jan Kara
2020-02-19 15:20 ` Theodore Y. Ts'o
2020-02-20 1:35 ` Yang Xu
2020-02-25 6:03 ` Yang Xu
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