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From: Eryu Guan <guaneryu@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Chuck Lever <chuck.lever@oracle.com>,
	Jeff Layton <jlayton@redhat.com>,
	linux-nfs@vger.kernel.org
Subject: Re: upstream server crash
Date: Mon, 24 Oct 2016 11:15:19 +0800	[thread overview]
Message-ID: <20161024031519.GN2462@eguan.usersys.redhat.com> (raw)
In-Reply-To: <20161023182115.GA14481@fieldses.org>

On Sun, Oct 23, 2016 at 02:21:15PM -0400, J. Bruce Fields wrote:
> I'm getting an intermittent crash in the nfs server as of
> 68778945e46f143ed7974b427a8065f69a4ce944 "SUNRPC: Separate buffer
> pointers for RPC Call and Reply messages".
> 
> I haven't tried to understand that commit or why it would be a problem yet, I
> don't see an obvious connection--I can take a closer look Monday.
> 
> Could even be that I just landed on this commit by chance, the problem is a
> little hard to reproduce so I don't completely trust my testing.

I've hit the same crash on 4.9-rc1 kernel, and it's reproduced for me
reliably by running xfstests generic/013 case, on a loopback mounted
NFSv4.1 (or NFSv4.2), XFS is the underlying exported fs. More details
please see

http://marc.info/?l=linux-nfs&m=147714320129362&w=2

Thanks,
Eryu

  parent reply	other threads:[~2016-10-24  3:15 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-23 18:21 upstream server crash J. Bruce Fields
2016-10-23 20:04 ` Chuck Lever
2016-10-23 20:14   ` J. Bruce Fields
2016-10-24  3:15 ` Eryu Guan [this message]
2016-10-24 13:31   ` Jeff Layton
2016-10-24 13:51     ` Chuck Lever
2016-10-24 15:19       ` Jeff Layton
2016-10-24 15:24         ` Jeff Layton
2016-10-24 15:55           ` Chuck Lever
2016-10-24 18:08           ` J. Bruce Fields
2016-10-24 19:17             ` Jeff Layton
2016-10-24 20:40               ` J. Bruce Fields
2016-10-24 21:38                 ` Chuck Lever
2016-10-25  0:57                   ` Jeff Layton
2016-10-25  1:00                     ` Chuck Lever
2016-10-25  1:46                       ` Jeff Layton
2016-10-25  2:02                         ` Chuck Lever
2016-10-28  1:20                           ` Chuck Lever
2016-10-28 20:50                             ` J. Bruce Fields
2016-10-28 21:45               ` Chuck Lever

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