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From: Kasparek Tomas <kasparek@fit.vutbr.cz>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: Re: [PATCH 0/3] NFS regression in 2.6.26?, "task blocked for more than 120 seconds"
Date: Fri, 16 Jan 2009 11:48:02 +0100	[thread overview]
Message-ID: <20090116104802.GF47559@fit.vutbr.cz> (raw)
In-Reply-To: <20090113152201.GD47559@fit.vutbr.cz>

On Tue, Jan 13, 2009 at 04:22:01PM +0100, Kasparek Tomas wrote:
> On Mon, Jan 12, 2009 at 08:17:26PM -0500, Trond Myklebust wrote:
> > On Mon, 2009-01-12 at 12:40 -0500, Trond Myklebust wrote:
> > > On Mon, 2009-01-12 at 10:04 +0100, Kasparek Tomas wrote:
> > > > Ok, I find that allready. With static mount the behaviour is the same as
> > > > with amd - no new connection is created and the client waits forever (~
> > > > tens of hours at least).
> > >  
> > > OK. I now appear to be able to reproduce this problem. I should have a
> > > fix ready soon.
> > 
> > The attached 2 patches have been tested using a server that was rigged
> > not to ever close the socket. They appear to work fine on my setup,
> > without the hang that you reported earlier.
> 
> after 8hours it seems it works both with static mount and with amd. I will
> let you know the state after few more days again.
> 
> Thank you very much for your help.

Just confirming, that the last patch did help and it works well both with
static mount and amd.

Thank you very much for repairing this. Should I do something more, or can
you propagate the change into vanilla and if possible to Greg for stable to
get into 2.6.27.x ?

--   

  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


  reply	other threads:[~2009-01-16 10:48 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 [this message]
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
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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