From: Trond Myklebust <Trond.Myklebust@netapp.com>
To: Harry Edmon <harry@uw.edu>
Cc: Chuck Lever <chuck.lever@oracle.com>, linux-nfs@vger.kernel.org
Subject: Re: 2.6.38.6 - state manager constantly respawns
Date: Mon, 16 May 2011 15:43:27 -0400 [thread overview]
Message-ID: <1305575007.19725.3.camel@lade.trondhjem.org> (raw)
In-Reply-To: <4DD17CB5.7010009@uw.edu>
On Mon, 2011-05-16 at 12:36 -0700, Harry Edmon wrote:
> On 05/16/11 12:22, Chuck Lever wrote:
> > On May 16, 2011, at 3:12 PM, Harry Edmon wrote:
> >
> >
> >> Attached is 1000 lines of output from tshark when the problem is occurring. The client and server are connected by a private ethernet.
> >>
> > Disappointing: tshark is not telling us the return codes. However, I see "PUTFH;READ" then "RENEW" in a loop, which indicates the state manager thread is being kicked off because of ongoing difficulties with state recovery. Is there a stuck application on that client?
> >
> > Try again with "tshark -V".
> >
> Here is the output from tshark -V (first 50,000 lines). Nothing
> appears to be stuck, and as I said when I reboot the client into 2.6.32
> the problem goes away, only to reappear when I reboot it back into 2.6.38.6.
>
Possibly, but it definitely indicates a server bug. What kind of server
are you using?
Basically, the client is getting confused because when it sends a READ,
the server is telling it that the lease has expired, then when it sends
a RENEW, the same server replies that the lease is OK...
Trond
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@netapp.com
www.netapp.com
next prev parent reply other threads:[~2011-05-16 19:43 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-16 18:40 2.6.38.6 - state manager constantly respawns Harry Edmon
2011-05-16 18:45 ` Chuck Lever
2011-05-16 19:12 ` Harry Edmon
2011-05-16 19:22 ` Chuck Lever
2011-05-16 19:36 ` Harry Edmon
2011-05-16 19:43 ` Trond Myklebust [this message]
2011-05-16 19:48 ` Harry Edmon
2011-05-16 19:54 ` Trond Myklebust
2011-05-16 20:20 ` Dr. J. Bruce Fields
2011-05-16 20:53 ` Dr. J. Bruce Fields
2011-05-20 16:20 ` Harry Edmon
2011-05-20 17:26 ` Dr. J. Bruce Fields
2011-05-20 17:52 ` Trond Myklebust
2011-05-20 18:36 ` Trond Myklebust
2011-05-20 18:59 ` Dr. J. Bruce Fields
2011-05-20 19:15 ` Trond Myklebust
2011-05-20 19:32 ` Dr. J. Bruce Fields
2011-05-20 18:47 ` Dr. J. Bruce Fields
2011-05-20 18:50 ` Bryan Schumaker
2011-05-20 19:29 ` Harry Edmon
2011-05-20 19:39 ` Andy Adamson
2011-05-20 19:40 ` Trond Myklebust
2011-05-20 19:44 ` Harry Edmon
2011-05-20 20:11 ` Trond Myklebust
2011-05-20 20:23 ` Harry Edmon
2011-05-20 20:27 ` Trond Myklebust
2011-05-20 18:35 ` Harry Edmon
2011-05-16 20:21 ` Chuck Lever
2011-05-16 20:33 ` Trond Myklebust
[not found] ` <1305578007.19725.24.camel-SyLVLa/KEI9HwK5hSS5vWB2eb7JE58TQ@public.gmane.org>
2011-05-16 20:37 ` Harry Edmon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1305575007.19725.3.camel@lade.trondhjem.org \
--to=trond.myklebust@netapp.com \
--cc=chuck.lever@oracle.com \
--cc=harry@uw.edu \
--cc=linux-nfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).