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From: Bryan Schumaker <bjschuma@netapp.com>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
	linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org,
	xfs@oss.sgi.com
Subject: Re: 2.6.xx: NFS: directory motion/cam2 contains a readdir loop
Date: Wed, 27 Jul 2011 12:40:15 -0400	[thread overview]
Message-ID: <4E303F6F.8010706@netapp.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1107271227340.1451@p34.internal.lan>

On 07/27/2011 12:28 PM, Justin Piszcz wrote:
> 
> 
> On Wed, 27 Jul 2011, J. Bruce Fields wrote:
> 
>> On Wed, Jul 27, 2011 at 09:54:09AM -0400, Justin Piszcz wrote:
>>> Hi,
>>>
>>> Kernel 2.6.30 on client.
>>> Kernel 2.6.28 on server.
>>>
>>> p34 kernel: [92223.918892] NFS: directory motion/cam2 contains a
>>> readdir loop.  Please contact your server vendor.  Offending cookie: 10272
>>
>> What filesystem on the server are you exporting?
> 
> Hi,
> 
> xfs.
> /dev/sda1 on / type xfs (rw,noatime)
> 
> Nothing special, thoughts?

Are there a lot of files in the directory you're exporting?  It looks like cookie 10272 is mapped to multiple files. When the client tries to resume reading from this cookie, xfs will reply from the first matching file and cause the client to enter a loop.

- Bryan

> 
> Justin.
> 
> -- 
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html


WARNING: multiple messages have this Message-ID (diff)
From: Bryan Schumaker <bjschuma@netapp.com>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
	linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	xfs@oss.sgi.com
Subject: Re: 2.6.xx: NFS: directory motion/cam2 contains a readdir loop
Date: Wed, 27 Jul 2011 12:40:15 -0400	[thread overview]
Message-ID: <4E303F6F.8010706@netapp.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1107271227340.1451@p34.internal.lan>

On 07/27/2011 12:28 PM, Justin Piszcz wrote:
> 
> 
> On Wed, 27 Jul 2011, J. Bruce Fields wrote:
> 
>> On Wed, Jul 27, 2011 at 09:54:09AM -0400, Justin Piszcz wrote:
>>> Hi,
>>>
>>> Kernel 2.6.30 on client.
>>> Kernel 2.6.28 on server.
>>>
>>> p34 kernel: [92223.918892] NFS: directory motion/cam2 contains a
>>> readdir loop.  Please contact your server vendor.  Offending cookie: 10272
>>
>> What filesystem on the server are you exporting?
> 
> Hi,
> 
> xfs.
> /dev/sda1 on / type xfs (rw,noatime)
> 
> Nothing special, thoughts?

Are there a lot of files in the directory you're exporting?  It looks like cookie 10272 is mapped to multiple files. When the client tries to resume reading from this cookie, xfs will reply from the first matching file and cause the client to enter a loop.

- Bryan

> 
> Justin.
> 
> -- 
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

_______________________________________________
xfs mailing list
xfs@oss.sgi.com
http://oss.sgi.com/mailman/listinfo/xfs

  reply	other threads:[~2011-07-27 16:40 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-27 13:54 2.6.xx: NFS: directory motion/cam2 contains a readdir loop Justin Piszcz
2011-07-27 16:07 ` J. Bruce Fields
2011-07-27 16:28   ` Justin Piszcz
2011-07-27 16:28     ` Justin Piszcz
2011-07-27 16:40     ` Bryan Schumaker [this message]
2011-07-27 16:40       ` Bryan Schumaker
2011-07-27 17:00       ` Ruediger Meier
2011-07-27 17:00         ` Ruediger Meier
2011-07-27 17:09         ` Bryan Schumaker
2011-07-27 17:09           ` Bryan Schumaker
2011-07-27 17:17         ` Justin Piszcz
2011-07-27 17:17           ` Justin Piszcz
2011-07-27 17:45           ` J. Bruce Fields
2011-07-27 17:45             ` J. Bruce Fields
2011-07-27 18:28         ` Bryan Schumaker
2011-07-27 18:28           ` Bryan Schumaker
2011-07-27 17:15       ` Justin Piszcz
2011-07-27 17:15         ` Justin Piszcz
2011-07-27 18:11     ` Christoph Hellwig
2011-07-27 18:11       ` Christoph Hellwig
2011-07-27 19:35       ` Justin Piszcz
2011-07-27 19:35         ` Justin Piszcz
2011-07-27 19:39         ` Christoph Hellwig
2011-07-27 19:39           ` Christoph Hellwig
2011-07-27 19:44           ` Justin Piszcz
2011-07-27 19:44             ` Justin Piszcz
2011-07-27 19:47             ` Christoph Hellwig
2011-07-27 19:47               ` Christoph Hellwig
2011-07-27 19:54               ` Bryan Schumaker
2011-07-27 19:54                 ` Bryan Schumaker
2011-07-27 20:02                 ` Christoph Hellwig
2011-07-27 20:02                   ` Christoph Hellwig
2011-07-27 20:05                   ` Christoph Hellwig
2011-07-27 20:05                     ` Christoph Hellwig
2011-07-27 20:26                   ` Rüdiger Meier
2011-07-27 20:26                     ` Rüdiger Meier
2011-07-27 20:47                     ` Christoph Hellwig
2011-07-27 20:47                       ` Christoph Hellwig
2011-07-27 21:21                       ` Rüdiger Meier
2011-07-27 21:21                         ` Rüdiger Meier
2011-07-27 19:57               ` Justin Piszcz
2011-07-27 19:57                 ` Justin Piszcz
2011-07-27 20:37               ` Trond Myklebust
2011-07-27 20:37                 ` Trond Myklebust
2011-07-27 20:54                 ` Trond Myklebust
2011-07-27 20:54                   ` Trond Myklebust
2011-07-27 20:54                   ` Trond Myklebust
2011-07-27 20:56                   ` Trond Myklebust
2011-07-27 20:56                     ` Trond Myklebust
2011-07-27 20:56                     ` Trond Myklebust
     [not found]                     ` <1311800195.25645.45.camel-SyLVLa/KEI9HwK5hSS5vWB2eb7JE58TQ@public.gmane.org>
2011-07-27 21:24                       ` Justin Piszcz
2011-07-27 21:24                         ` Justin Piszcz
2011-07-27 21:24                         ` Justin Piszcz
     [not found]                         ` <alpine.DEB.2.02.1107271723500.25432-0qmrozcXWo8bm2hyYBkBBg@public.gmane.org>
2011-07-27 22:44                           ` Justin Piszcz
2011-07-27 22:44                             ` Justin Piszcz
2011-07-27 22:44                             ` Justin Piszcz
2011-07-28 20:48                             ` Trond Myklebust
2011-07-28 20:48                               ` Trond Myklebust
2011-07-28 20:48                               ` Trond Myklebust
2011-07-29 20:52                               ` Bryan Schumaker
2011-07-29 20:52                                 ` Bryan Schumaker
2011-07-29 20:59                                 ` Justin Piszcz
2011-07-29 20:59                                   ` Justin Piszcz
2011-07-29 22:03                                   ` Trond Myklebust
2011-07-29 22:03                                     ` Trond Myklebust
2011-07-29 22:23                                     ` Justin Piszcz
2011-07-29 22:23                                       ` Justin Piszcz
2011-07-30  9:58                                       ` Justin Piszcz
2011-07-30  9:58                                         ` Justin Piszcz

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