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From: Damien Wyart <damien.wyart@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>, Jan Kara <jack@suse.cz>,
	Eryu Guan <eguan@redhat.com>,
	linux-kernel@vger.kernel.org, xfs@oss.sgi.com, axboe@fb.com,
	Jan Kara <jack@suse.com>,
	linux-fsdevel@vger.kernel.org, kernel-team@fb.com
Subject: Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes
Date: Tue, 18 Aug 2015 07:33:08 +0200	[thread overview]
Message-ID: <20150818053308.GA3629@brouette> (raw)
In-Reply-To: <20150817200034.GF21075@mtj.duckdns.org>

> > I had an unstable system when running latest Linus tree with Tejun's
> > patch applied on top. Nothing fishy in the logs after rebooting without
> > the patch, but remote access with ssh when patch applied did not work
> > (as if /home partition could not be read). This system has / as ext4 and
> > other partitions (including /home) as XFS. Trying to login on tty
> > instead of X resulted in hang of X. I could reboot with sysrq, but can't
> > do further tests at the moment.

> > Back to same tree without the patch resulted in normal system.
> > So just a heads up the patch doesn't seem OK in its current state.

Hi Tejun,

> Have you been able to reproduce the failure? That sounds like an
> unlikely failure mode for the patch.

Unfortunately (as it would be nice to understand what happened), no.
I reapplied the patch on top of rc7 and could not reproduce the
unstability after several reboots.

I will continue running with the patch and report if anything strange
appears again...

-- 
Damien

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  reply	other threads:[~2015-08-18  5:33 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20150812101204.GE17933@dhcp-13-216.nay.redhat.com>
2015-08-13  0:44 ` generic/04[89] fail on XFS due to change in writeback code [4.2-rc1 regression] Dave Chinner
2015-08-13 15:34   ` Tejun Heo
2015-08-13 19:16     ` Tejun Heo
2015-08-13 22:44   ` [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes Tejun Heo
2015-08-14 11:14     ` Jan Kara
2015-08-14 15:14       ` Damien Wyart
2015-08-17 20:00         ` Tejun Heo
2015-08-18  5:33           ` Damien Wyart [this message]
2015-08-17 20:02       ` Tejun Heo
2015-08-18  9:16         ` Jan Kara
2015-08-18 17:47           ` Tejun Heo
2015-08-18 19:54             ` Tejun Heo
2015-08-18 21:56               ` Dave Chinner
2015-08-20  6:12                 ` Eryu Guan
2015-08-20 14:01                   ` Eryu Guan
2015-08-20 14:36                   ` Eryu Guan
2015-08-20 14:37                     ` Eryu Guan
2015-08-20 16:55                       ` Tejun Heo
2015-08-20 23:04                         ` Dave Chinner
2015-08-24 18:10                           ` Tejun Heo
2015-08-24 22:27                             ` Dave Chinner
2015-08-24 22:53                               ` Tejun Heo
2015-08-21 10:20                 ` Eryu Guan
2015-08-22  0:30                   ` Dave Chinner
2015-08-22  4:46                     ` Eryu Guan
2015-08-24  1:11                       ` Dave Chinner
2015-08-24  3:18                         ` Eryu Guan
2015-08-24  6:24                           ` Dave Chinner
2015-08-24  8:34                             ` Eryu Guan
2015-08-24  8:55                               ` Dave Chinner
2015-08-24  9:19                             ` Jan Kara
2015-08-24 14:51                               ` Tejun Heo
2015-08-24 17:11                                 ` Tejun Heo
2015-08-24 19:08                                   ` Jan Kara
2015-08-24 19:32                                     ` Tejun Heo
2015-08-24 21:09                                       ` Jan Kara
2015-08-24 21:45                                         ` Tejun Heo
2015-08-24 22:54                                           ` Tejun Heo
2015-08-24 22:57                                           ` Dave Chinner
2015-08-25 18:11     ` [PATCH v2 block/for-linus] writeback: sync_inodes_sb() must write out I_DIRTY_TIME inodes and always call wait_sb_inodes() Tejun Heo
2015-08-25 20:37       ` Jens Axboe
2015-08-26  9:00       ` Jan Kara
2015-08-13 23:24   ` generic/04[89] fail on XFS due to change in writeback code [4.2-rc1 regression] Tejun Heo
2015-08-14  6:19     ` Eryu Guan
2015-08-17 20:27       ` Tejun Heo
2015-08-18  3:57         ` Eryu Guan
2015-08-18  5:31           ` Eryu Guan

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