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From: Ian Kent <raven@themaw.net>
To: Jim Carter <jimc@math.ucla.edu>
Cc: autofs@linux.kernel.org
Subject: Re: clients suddenly start hanging (was: (no subject))
Date: Wed, 25 Jun 2008 13:00:11 +0800	[thread overview]
Message-ID: <1214370012.12623.155.camel@raven.themaw.net> (raw)
In-Reply-To: <1214364822.12623.152.camel@raven.themaw.net>


On Wed, 2008-06-25 at 11:33 +0800, Ian Kent wrote:
> On Tue, 2008-06-24 at 16:39 -0700, Jim Carter wrote:
> > On Tue, 24 Jun 2008, Ian Kent wrote:
> > 
> > > > > There is a pattern of failure that may not be automount's fault.  On 
> > > > > almost exactly 0.1% of the attempted mounts, the readdir eventually fails 
> > > > > with ENOENT....
> > > 
> > > This could be related to the expire issue I saw in my tests so we need
> > > to test my slightly updated patch and see before we go into this.
> > > Hopefully I haven't regressed from the last test.
> > > 
> > > So here is my updated revision 8 of the patch against the SuSE package
> > > as usual.
> > 
> > OK, I ran it for 4 hrs 19 mins, doing 5900 mount-expire cycles.  No threads 
> > hung.  There were 5 ENOENT events -- the rate was not statistically 
> > different from the previous long test.  
> 
> Would it be to difficult to get a debug log for this.
> I need to find out whether this is happening in the kernel or in the
> daemon.

And if possible an indication of when a couple of these events occurred
would be really useful, so I can locate them in the log.

Ian

  reply	other threads:[~2008-06-25  5:00 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-12  4:50 [PATCH 00/10] Kernel patch series Ian Kent
2008-06-12  4:50 ` [PATCH 01/10] autofs4 - check for invalid dentry in getpath Ian Kent
2008-06-12  4:50 ` [PATCH 02/10] autofs4 - fix sparse warning in waitq.c:autofs4_expire_indirect() Ian Kent
2008-06-12  4:50 ` [PATCH 03/10] autofs4 - fix incorrect return from root.c:try_to_fill_dentry() Ian Kent
2008-06-12  4:51 ` [PATCH 04/10] autofs4 - fix mntput, dput order bug Ian Kent
2008-06-12  4:51 ` [PATCH 05/10] autofs4 - don't make expiring dentry negative Ian Kent
2008-06-12  4:51 ` [PATCH 06/10] autofs4 - use look aside list for lookups Ian Kent
2008-06-12  4:51 ` [PATCH 07/10] autofs4 - don't release directory mutex if called in oz_mode Ian Kent
2008-06-12  4:51 ` [PATCH 08/10] autofs4 - use lookup intent flags to trigger mounts Ian Kent
2008-06-12  4:51 ` [PATCH 09/10] autofs4 - use struct qstr in waitq.c Ian Kent
2008-06-12  4:51 ` [PATCH 10/10] autofs4 - fix pending mount race Ian Kent
2008-06-14  1:13 ` [PATCH 00/10] Kernel patch series Jim Carter
2008-06-14  3:30   ` Ian Kent
2008-06-14  3:42     ` Ian Kent
2008-06-19  0:40       ` clients suddenly start hanging (was: (no subject)) Jim Carter
2008-06-19  3:14         ` Ian Kent
2008-06-19 17:08           ` Jim Carter
2008-06-19 18:34           ` Jim Carter
2008-06-20  4:09             ` Ian Kent
2008-06-21  1:02               ` Jim Carter
2008-06-21  3:12                 ` Ian Kent
2008-06-23  3:49                   ` Jim Carter
2008-06-23  4:46                     ` Ian Kent
2008-06-24  3:08                       ` Ian Kent
2008-06-24 17:02                         ` Stephen Biggs
2008-06-24 23:39                         ` Jim Carter
2008-06-25  3:33                           ` Ian Kent
2008-06-25  5:00                             ` Ian Kent [this message]
2008-06-23  4:15                   ` Ian Kent
  -- strict thread matches above, loose matches on Subject: below --
2008-04-23 18:50 (no subject) Jim Carter
2008-04-23 20:04 ` Jeff Moyer
2008-04-24  3:10   ` Ian Kent
2008-04-24 16:52   ` clients suddenly start hanging (was: (no subject)) Jim Carter
2008-04-26  1:17   ` Jim Carter
2008-04-26  5:34     ` Ian Kent
2008-04-26 18:48       ` Jim Carter
2008-04-27  5:52         ` Ian Kent
2008-04-26 22:16       ` Jim Carter
2008-04-28  6:26 ` [PATCH 1/2] autofs4 - fix execution order race in mount request code Ian Kent
2008-05-08  4:52   ` clients suddenly start hanging (was: (no subject)) Jim Carter
2008-05-08  6:13     ` Ian Kent
2008-05-11  4:14       ` Jim Carter
2008-05-11  7:57         ` Ian Kent
2008-05-15 21:59           ` Jim Carter
2008-05-16  3:00             ` Ian Kent
2008-05-18  4:07             ` Ian Kent
2008-05-21  6:58               ` Ian Kent
2008-05-22 21:42               ` Jim Carter
2008-05-23  2:35                 ` Ian Kent
2008-05-26  0:34                   ` Jim Carter
2008-06-12  3:20                     ` Ian Kent

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