linux-kernel - Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY

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Message-ID: <20150817200034.GF21075@mtj.duckdns.org>
Date:	Mon, 17 Aug 2015 16:00:34 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Damien Wyart <damien.wyart@...il.com>
Cc:	Jan Kara <jack@...e.cz>, Jens Axboe <axboe@...nel.dk>,
	Eryu Guan <eguan@...hat.com>, linux-kernel@...r.kernel.org,
	xfs@....sgi.com, axboe@...com, Jan Kara <jack@...e.com>,
	linux-fsdevel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME
 inodes

Hello, Damien.

On Fri, Aug 14, 2015 at 05:14:01PM +0200, Damien Wyart wrote:
> 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.

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

Thanks.

-- 
tejun
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