Public bug reported:
Binary package hint: autofs5
Overview:
In an environment with over 11K mount points in the table (/proc/mounts) and
using autofs5 with autofs5-ldap support, rebooting the machine takes forever
since autofs leaves many orphaned entries in /proc/mounts.
Running automount -dvf, then hitting ctrl-c does the right thing and unmounts
all mounts fine.
Reproducible: 100%
$ sudo stop autofs
Password:
autofs stop/waiting
$ cat /proc/mounts | wc -l
11269
Workaround:
Use Lucid. Behaviour does not happen in Lucid however it does happen in
Maverick and in the new Natty release.
Useful information:
strace output:
[pid 1063] ioctl(3, AUTOFS_IOC_ASKUMOUNT, 0x7f8fca2b0988) = 0
[pid 1063] ioctl(3, AUTOFS_IOC_CATATONIC, 0) = 0
[pid 1063] close(3) = 0
[pid 1063] sched_yield() = 0
[pid 1063] umount("/path/changed", 0 <unfinished ...>
[pid 1036] <... ???? resumed> ) = ? <unavailable>
[pid 1036] +++ killed by SIGKILL +++
PANIC: handle_group_exit: 1036 leader 1034
[pid 1035] +++ killed by SIGKILL +++
PANIC: handle_group_exit: 1035 leader 1034
[pid 1063] +++ killed by SIGKILL +++
PANIC: handle_group_exit: 1063 leader 1034
+++ killed by SIGKILL +++
** Affects: autofs5 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/769064
Title:
[Maverick] autofs5 leaves too many orphaned mount points in
/proc/mounts and reboots takes forever
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