From: Kasparek Tomas <kasparek@fit.vutbr.cz>
To: Steve Dickson <SteveD@redhat.com>
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: NFS client packet storm on 2.6.27.x
Date: Wed, 29 Apr 2009 16:57:53 +0200 [thread overview]
Message-ID: <20090429145753.GL2865@fit.vutbr.cz> (raw)
In-Reply-To: <49F84436.5090007-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
On Wed, Apr 29, 2009 at 08:12:38AM -0400, Steve Dickson wrote:
> > I got another client lockup today. It was a desktop so I have some more
> > dmesg warnings about soft lockup caused probably by network cable unplug
> > (but hopefully still showing what happens in rpciod) on
> >
> > http://merlin.fit.vutbr.cz/tmp/nfs/pckas-dmesg
> >
> > I can check with top, that rpciod was using 100% cpu. I limited the flow
> > from client to server with firewall so I was able to save the server and
> > get some tcpdump -s0 data (actually RPC null with ERR response from server)
> >
> > Just to remind, the client is 2.6.27.21 (i386), the server is 2.6.16.62
> > (x86_64).
> >
> > Please let me know if I can do anything more, this is really paintfull for
> > me.
> Try commenting out the tcp6/udp6 entries from /etc/netconfig....
> This has help in other places...
It's CentOS 5.3, but if you mean to disable IPv6, I can not do that, the
server is using IPv6 (but not with these clients). And as mentioned before
it works well without e06799f958bf7f9f8fae15f0c6f519953fb0257c, both for
lockd and client floods.
Bye
--
Tomas Kasparek, PhD student E-mail: kasparek@fit.vutbr.cz
CVT FIT VUT Brno, L127 Web: http://www.fit.vutbr.cz/~kasparek
Bozetechova 1, 612 66 Fax: +420 54114-1270
Brno, Czech Republic Phone: +420 54114-1220
jabber: tomas.kasparek-2ASvDZBniIelVyrhU4qvOw@public.gmane.org
GPG: 2F1E 1AAF FD3B CFA3 1537 63BD DCBE 18FF A035 53BC
next prev parent reply other threads:[~2009-04-29 14:58 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20081017123207.GA14979@rabbit.intern.cm-ag>
[not found] ` <1224484046.23068.14.camel@localhost.localdomain>
[not found] ` <1225539927.2221.3.camel@localhost.localdomain>
[not found] ` <1225546878.4390.3.camel@heimdal.trondhjem.org>
2008-11-25 7:09 ` [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Ian Campbell
[not found] ` <1227596962.16868.22.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-11-25 13:28 ` Trond Myklebust
[not found] ` <1227619696.7057.19.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-11-25 13:38 ` Ian Campbell
[not found] ` <1227620339.9425.99.camel-o4Be2W7LfRlXesXXhkcM7miJhflN2719@public.gmane.org>
2008-11-25 13:57 ` Trond Myklebust
[not found] ` <1227621434.7057.33.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-11-25 14:04 ` Ian Campbell
[not found] ` <1227621877.9425.102.camel-o4Be2W7LfRlXesXXhkcM7miJhflN2719@public.gmane.org>
2008-11-26 22:12 ` Ian Campbell
[not found] ` <1227737539.31008.2.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-12-01 0:17 ` [PATCH 0/3] " Trond Myklebust
2008-12-01 0:19 ` [PATCH 2/3] SUNRPC: We only need to call svc_delete_xprt() once Trond Myklebust
[not found] ` <1228090631.7112.11.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-01 0:18 ` [PATCH 1/3] SUNRPC: Ensure the server closes sockets in a timely fashion Trond Myklebust
[not found] ` <1228090719.7112.13.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-17 15:27 ` Tom Tucker
2008-12-17 18:08 ` Trond Myklebust
[not found] ` <1229537296.7257.37.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-17 18:59 ` Tom Tucker
2008-12-01 0:20 ` [PATCH 3/3] SUNRPC: svc_xprt_enqueue should not refuse to enqueue 'XPT_DEAD' transports Trond Myklebust
2008-12-17 15:35 ` Tom Tucker
2008-12-17 19:07 ` Trond Myklebust
[not found] ` <1229540877.7257.97.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-23 14:49 ` Tom Tucker
2008-12-23 23:39 ` Tom Tucker
2009-01-02 21:44 ` Tom Tucker
2009-01-04 19:12 ` Trond Myklebust
[not found] ` <1231096358.7363.6.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-04 19:25 ` Trond Myklebust
2009-01-05 3:33 ` Tom Tucker
[not found] ` <1231097131.7 363.11.camel@heimdal.trondhjem.org>
[not found] ` <1231097131.7363.11.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-05 3:33 ` Tom Tucker
2009-01-05 17:04 ` Tom Tucker
2009-01-05 17:13 ` Trond Myklebust
[not found] ` <1231175613.7127.6.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-05 19:33 ` Tom Tucker
2009-01-05 19:51 ` Trond Myklebust
[not found] ` <1231185115.7127.28.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-05 20:13 ` Tom Tucker
2009-01-05 20:41 ` Tom Tucker
2009-01-05 20:48 ` Trond Myklebust
[not found] ` <1231188518.7127.30.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-05 21:10 ` Tom Tucker
2008-12-01 0:29 ` [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Trond Myklebust
[not found] ` <1228091380.7112.17.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-02 15:22 ` Kasparek Tomas
2008-12-02 15:37 ` Trond Myklebust
[not found] ` <1228232222.3090.5.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-02 16:26 ` Kasparek Tomas
2008-12-02 18:10 ` Trond Myklebust
[not found] ` <1228241407.3090.7.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-04 10:23 ` Kasparek Tomas
[not found] ` <1229284201.6463.98.camel@heimdal.trondhjem.org>
[not found] ` <1229284201.6463.98.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2008-12-16 12:05 ` Kasparek Tomas
2008-12-16 12:10 ` Kasparek Tomas
2008-12-16 12:59 ` Trond Myklebust
2008-12-23 22:34 ` Trond Myklebust
[not found] ` <1230071647.17701.27.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-05 12:18 ` Kasparek Tomas
2009-01-09 14:56 ` Kasparek Tomas
2009-01-09 17:59 ` Trond Myklebust
[not found] ` <1231523966.7179.67.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-10 10:24 ` Kasparek Tomas
2009-01-10 16:00 ` Trond Myklebust
[not found] ` <20090112090404.GL47559@fit.vutbr.cz>
[not found] ` <1231782009.7322.12.camel@heimdal.trondhjem.org>
[not found] ` <1231809446.7322.17.camel@heimdal.trondhjem.org>
[not found] ` <1231809446.7322.17.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-13 15:22 ` Kasparek Tomas
2009-01-16 10:48 ` Kasparek Tomas
2009-01-18 13:08 ` Kasparek Tomas
2009-01-20 15:03 ` Kasparek Tomas
2009-01-20 15:32 ` Trond Myklebust
[not found] ` <1232465547.7055.3.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-01-28 8:18 ` Kasparek Tomas
2009-02-06 6:35 ` Kasparek Tomas
2009-02-10 7:55 ` Kasparek Tomas
2009-03-03 12:08 ` Kasparek Tomas
2009-03-03 14:16 ` Trond Myklebust
[not found] ` <1236089767.9631.4.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-03-25 8:46 ` Kasparek Tomas
2009-04-18 5:17 ` Kasparek Tomas
2009-04-22 17:27 ` NFS client packet storm on 2.6.27.x Kasparek Tomas
2009-04-29 12:12 ` Steve Dickson
[not found] ` <49F84436.5090007-AfCzQyP5zfLQT0dZR+AlfA@public.gmane.org>
2009-04-29 14:57 ` Kasparek Tomas [this message]
2009-06-25 5:55 ` Kasparek Tomas
2009-07-13 11:12 ` Kasparek Tomas
2009-07-13 17:20 ` [stable] " Greg KH
2009-07-13 17:40 ` Trond Myklebust
[not found] ` <1247506817.14524.25.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-07-24 8:54 ` Kasparek Tomas
2009-07-28 18:31 ` Greg KH
2008-12-01 22:09 ` [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" Ian Campbell
[not found] ` <1228169383.20370.3.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-12-06 12:16 ` Ian Campbell
[not found] ` <1228565812.10856.30.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-12-14 18:24 ` Ian Campbell
[not found] ` <1229279045.3721.1.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2008-12-16 17:55 ` J. Bruce Fields
2008-12-16 18:39 ` Ian Campbell
[not found] ` <1229452775.3721.25.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-01-07 22:21 ` J. Bruce Fields
2009-01-08 18:20 ` J. Bruce Fields
2009-01-08 21:22 ` Ian Campbell
[not found] ` <1231449753.21688.12.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-01-08 21:26 ` J. Bruce Fields
2009-01-12 9:46 ` Ian Campbell
2009-01-22 8:27 ` Ian Campbell
[not found] ` <1232612860.29604.57.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-01-22 16:44 ` J. Bruce Fields
2008-11-26 9:16 ` [PATCH] NFS regression in 2.6.26?, Tomas Kasparek
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