Public bug reported:
After the autofs service is stopped, the autofs-related stuff still
persists in /proc/mounts. I think that the expected behaviour would be
for the /proc/mounts entries to be removed after the autofs daemon
stops.
As a workaround I found that unloading the autofs kernel module with
"modprobe -r autofs4" results in /proc/mounts to be cleaned up of the
autofs stuff.
The consequence of this problem is that the system would not reboot
because the phantom /proc/mounts entries that autofs leaves behind
confuse the /etc/rc6.d/S40umountfs script and the fstab-decode command.
For the reference, I have reported the problems with those scripts as
bug #988394 .
In our case, after autofs is stopped and all directories that it mounted
are unmounted, /proc/mounts still contains the following entries:
/etc/auto.nfs_h /h autofs
rw,relatime,fd=6,pgrp=1004,timeout=300,minproto=5,maxproto=5,indirect 0 0
/etc/auto.nfs_s /s autofs
rw,relatime,fd=12,pgrp=1004,timeout=300,minproto=5,maxproto=5,indirect 0 0
/etc/auto.nfs_cdf /cdf autofs
rw,relatime,fd=18,pgrp=1004,timeout=300,minproto=5,maxproto=5,direct 0 0
Thanks!
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: autofs5 5.0.6-0ubuntu5
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu6
Architecture: i386
Date: Wed Apr 25 11:31:38 2012
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
SHELL=/local/bin/bash
SourcePackage: autofs5
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: autofs5 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/988397
Title:
Autofs does not clean up /proc/mounts when stopped
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