** Tags removed: server-next
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Title:
AutoFS does not automatically umount SMB shares
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** Merge proposal unlinked:
https://code.launchpad.net/~ahasenack/ubuntu/+source/autofs/+git/autofs/+merge/349320
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Title:
AutoFS does not
** Merge proposal unlinked:
https://code.launchpad.net/~ahasenack/ubuntu/+source/autofs/+git/autofs/+merge/349320
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Title:
AutoFS
** Merge proposal linked:
https://code.launchpad.net/~ahasenack/ubuntu/+source/autofs/+git/autofs/+merge/349320
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Title:
AutoFS does not
** Merge proposal unlinked:
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Title:
AutoFS
** Merge proposal unlinked:
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Title:
AutoFS does not
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Title:
AutoFS does not
This bug was fixed in the package autofs - 5.1.2-3ubuntu1
---
autofs (5.1.2-3ubuntu1) cosmic; urgency=medium
* Merge with Debian unstable (LP: #1775232). Remaining changes:
- d/p/16group_buffer_size.patch
- d/rules: Add LDFLAGS to avoid issues with accessing global
** Changed in: autofs (Debian)
Status: Unknown => New
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Title:
AutoFS does not automatically umount SMB shares
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** Bug watch added: Debian Bug tracker #900933
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900933
** Also affects: autofs (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900933
Importance: Unknown
Status: Unknown
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** Bug watch added: Debian Bug tracker #900933
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900933
** Also affects: autofs (Debian) via
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=900933
Importance: Unknown
Status: Unknown
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** Merge proposal linked:
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Title:
AutoFS does not
Fix confirmed with the patch from comment #8
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Title:
AutoFS does not automatically umount SMB shares
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Fix confirmed with the patch from comment #8
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Title:
AutoFS does not automatically umount SMB shares
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** Changed in: autofs (Ubuntu)
Assignee: (unassigned) => Andreas Hasenack (ahasenack)
** Changed in: autofs (Ubuntu)
Status: Triaged => In Progress
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** Changed in: autofs (Ubuntu)
Assignee: (unassigned) => Andreas Hasenack (ahasenack)
** Changed in: autofs (Ubuntu)
Status: Triaged => In Progress
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** Changed in: autofs (Ubuntu)
Importance: Undecided => Low
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Title:
AutoFS does not automatically umount SMB shares
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** Changed in: autofs (Ubuntu)
Importance: Undecided => Low
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Title:
AutoFS does not automatically umount SMB shares
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Thanks for debugging this issue down to your configuration bit that triggered
it.
As well as to point out the existing upstream fix.
The issue isn't sever enough to qualify for an SRU IMHO, but it would be
good to pick it up on the next merge cycle for the follow on release.
There is no 5.1.5
I finally solved the problem with the help of Ian Kent.
He pointed me in the right direction:
https://git.kernel.org/pub/scm/linux/storage/autofs/autofs.git/commit/?id=37dd05dd1bccdedc4157902420e1da506b2bf35f
A trailing slash in the /etc/auto.master was the problem. I consider it both a
config
Just a little update: I think I've figured out what causes autofs to stall.
Since I've tested sshfs and cifs, and reproduced it using both, I can rule out
a specific target fs.
I think it has something to do with the indirekt map feature:
#/etc/auto.master
/media/auto-smb/
Some additional information:
By further digging into it, I've learned that for some reasons the smb is
reported busy.
In
autofs4_mount_busy(https://elixir.bootlin.com/linux/v4.15.6/source/fs/autofs4/expire.c#L34)
the call of may_umount_tree() returns 0. This indicates that the mount is
Some additional information:
I enabled the debug output for autofs4 module: echo -n 'module autofs4 +p' >
/sys/kernel/debug/dynamic_debug/control
According to the kernel log, the mount is reported busy:
autofs4:pid:7051:autofs4_mount_busy: returning = 1
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As far as I know, just a few steps are necessary to reproduce this issue:
1. Setup a simple smb server on machine a, like the one I've attached to this
report.
2. Create a smb user on machine a: smbpasswd -a $username
3. Enable smb in auto.master on machine b (and set the timeout to something
Hi Alexander,
this seems to be a reoccuring issue but so far always turned out to be a config
issue.
E.g. for some hints and similar cases:
https://ubuntuforums.org/showthread.php?t=1355715
https://askubuntu.com/questions/194727/mounting-samba-share-whenever-its-available-unmounting-when-its-not
Thank you for taking the time to report this bug and helping to make
Ubuntu better.
Since it seems likely to me that this is a local configuration problem,
rather than a bug in Ubuntu, I'm marking this bug as Incomplete.
If indeed this is a local configuration problem, you can find pointers
to
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