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From: Ian Kent <raven@themaw.net>
To: Jaskaran Singh <jsingh@winlab.rutgers.edu>
Cc: autofs@linux.kernel.org
Subject: Re: autofs hangs
Date: Sun, 13 Mar 2011 09:31:02 +0800	[thread overview]
Message-ID: <1299979862.2906.4.camel@perseus> (raw)
In-Reply-To: <4D77D0D6.1050508@winlab.rutgers.edu>

On Wed, 2011-03-09 at 14:11 -0500, Jaskaran Singh wrote:
> I am running into an issue here, I using autofs with ldap to
> mount /home directories. This is my os version Description: Ubuntu
> 10.10 Release: 10.10
> my /etc/auto.master is commented out.
> in /etc/nsswitch.conf last line is 
> automount: ldap
> I can automount my home directory from the NFS server using LDAP with
> out an issue. But after a few minutes of inactivity, when i  try to
> login to the machine and run my application it hangs. My application
> tries to read /etc/config.txt but rather than reading /etc/config.txt
> it tries to mount /home/etc/config.txt , i can see that in the syslog
> which is attached below.
> If i were to login and move to another location besides /home/*, the
> command will run fine for example if I cd from/home to any other part
> of the file system like /tmp or /var/log.

Somehow you need to get an strace when the access to /etc/config.txt is
happening, that might help.

> 
> Mar  9 14:02:02 console automount[23227]: do_bind: lookup(ldap): ldap
> simple bind returned 0
> Mar  9 14:02:02 console automount[23227]: lookup_one: lookup(ldap):
> searching for "(&(objectclass=automount)(|(cn=repository)(cn=/)(cn=
> \2A)))" under "ou=auto.home,dc=domain,dc=org"
> Mar  9 14:02:02 console automount[23227]: lookup_one: lookup(ldap):
> getting first entry for cn="repository"
> Mar  9 14:02:02 console automount[23227]: lookup_one: lookup(ldap):
> got answer, but no entry for
> (&(objectclass=automount)(|(cn=repository)(cn=/)(cn=\2A)))
> Mar  9 14:02:02 console automount[23227]: key "repository" not found
> in map source(s).
> Mar  9 14:02:02 console automount[23227]: ioctl_send_fail: token = 548
> Mar  9 14:02:02 console automount[23227]: failed to
> mount /home/repository
> Mar  9 14:02:02 console automount[23227]: handle_packet: type = 3
> Mar  9 14:02:02 console automount[23227]:
> handle_packet_missing_indirect: token 549, name repository, request
> pid 23381
> Mar  9 14:02:02 console automount[23227]: attempting to mount
> entry /home/repository
> Mar  9 14:02:02 console automount[23227]: lookup_mount: lookup(ldap):
> looking up repository
> Mar  9 14:02:02 console automount[23227]: ioctl_send_fail: token = 549
> Mar  9 14:02:02 console automount[23227]: failed to
> mount /home/repository
> Mar  9 14:02:19 console automount[23227]: st_expire: state 1
> path /home
> Mar  9 14:02:19 console automount[23227]: expire_proc: exp_proc =
> 3057638256 path /home
> Mar  9 14:02:19 console automount[23227]: expire_proc_indirect:
> expire /home/jsingh
> Mar  9 14:02:19 console automount[23227]: 1 remaining in /home
> Mar  9 14:02:19 console automount[23227]: expire_cleanup: got thid
> 3057638256 path /home stat 3
> Mar  9 14:02:19 console automount[23227]: expire_cleanup: sigchld: exp
> 3057638256 finished, switching from 2 to 1
> Mar  9 14:02:19 console automount[23227]: st_ready: st_ready(): state
> = 2 path /home
> Mar  9 14:03:34 console automount[23227]: st_expire: state 1
> path /home
> Mar  9 14:03:34 console automount[23227]: expire_proc: exp_proc =
> 3057638256 path /home
> Mar  9 14:03:34 console automount[23227]: expire_proc_indirect:
> expire /home/jsingh
> Mar  9 14:03:34 console automount[23227]: 1 remaining in /home
> 
> 
> 
> Mar 7 17:04:39 console automount[1105]: lookup_one: lookup(ldap): got
> answer, but no entry for (&(objectclass=automount)(|(cn=etc)(cn=/)(cn=
> \2A)))
> Mar 7 17:04:39 console automount[1105]: key "etc" not found in map
> source(s).
> Mar 7 17:04:39 console automount[1105]: ioctl_send_fail: token = 2
> Mar 7 17:04:39 console automount[1105]: failed to mount /home/etc
> Mar 7 17:04:39 console automount[1105]: handle_packet: type = 3
> Mar 7 17:04:39 console automount[1105]:
> handle_packet_missing_indirect: token 3, name repository, request pid
> 2011
> 
> Mar 7 17:04:39 console automount[1105]: ioctl_send_fail: token = 3
> Mar 7 17:04:39 console automount[1105]: failed to
> mount /home/repository
> Mar 7 17:04:39 console automount[1105]: handle_packet: type = 3
> Mar 7 17:04:39 console automount[1105]:
> handle_packet_missing_indirect: token 4, name repository, request pid
> 2011
> Mar 7 17:04:39 console automount[1105]: attempting to mount
> entry /home/repository
> Mar 7 17:04:39 console automount[1105]: lookup_mount: lookup(ldap):
> looking up repository
> Mar 7 17:04:39 console automount[1105]: ioctl_send_fail: token = 4
> Mar 7 17:04:39 console automount[1105]: failed to
> mount /home/repository
> 
> Mar 7 17:05:34 console automount[1105]: handle_packet: type = 3
> Mar 7 17:05:34 console automount[1105]:
> handle_packet_missing_indirect: token 5, name etc, request pid 2126
> Mar 7 17:05:34 console automount[1105]: attempting to mount
> entry /home/etc
> Mar 7 17:05:34 console automount[1105]: lookup_mount: lookup(ldap):
> looking up etc
> Mar 7 17:05:34 console automount[1105]: ioctl_send_fail: token = 5
> Mar 7 17:05:34 console automount[1105]: failed to mount /home/etc
> 
> autofs:
>   Installed: 5.0.5-0ubuntu2
>   Candidate: 5.0.5-0ubuntu2
>   Version table:
>  *** 5.0.5-0ubuntu2 0
>         500 http://us.archive.ubuntu.com/ubuntu/ maverick/main i386
> Packages
>         100 /var/lib/dpkg/status
> 
> The defaut autofs contains the
> TIMEOUT=3000
> LOGGING="debug"
> MOUNT_NFS_DEFAULT_PROTOCOL=4
> LDAP_URI="ldap://ldapserver.domain.org/"
> SEARCH_BASE="ou=auto.master,dc=domain,dc=org"
> 
> 
> -- 
> Jaskaran Singh
> Systems Administrator
> Winlab, Rutgers University
> Technology Centre of NJ
> 671 Route 1 South
> North Brunswick, NJ 08902-3390
> 
> Desk: 732-932-6857 x 654
> Fax: 732-932-6882 
> _______________________________________________
> autofs mailing list
> autofs@linux.kernel.org
> http://linux.kernel.org/mailman/listinfo/autofs

  reply	other threads:[~2011-03-13  1:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-09 19:11 autofs hangs Jaskaran Singh
2011-03-13  1:31 ` Ian Kent [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-02-14 19:31 Autofs hangs Steve Thompson
2011-02-15  3:32 ` Ian Kent

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