Public bug reported:
The description is from
https://bugzilla.redhat.com/show_bug.cgi?id=728467, I consider the
description very comprehensive, so I grabed it.
fusermount -u do not work after a broken ssh connection. The invalid mountpoint
is in a strage state that locks the ls command.
How reproducible:
always
---
Steps to Reproduce:
1.mount a remote ssh filesystem with sshfs
2.lost the ssh connection (wait for ``broken pipe or missing link errors, if
you quickly plus/unplug nothing happens), then replug the cable
3.try to umount the ssf filesystem with fusermount -u
---
Actual results:
1) I mount a distant folder:
su pierre;
cd ~; mkdir test;
sshfs some...@somewhere.com:/home/someone test;
This mount is sucessfull and can be tested
cat test/somefile; #WORKS
touch test/someotherfile; #WORKS
2) For some reason ssh connection is lost for a long time (a cat eat a wire, I
unpluged my ethernet cable or zombies from outer space decide to do so). Then I
repear the connection (re plug the cable and kill the zoombies).
3) LS FAILS (except for the user who has mounted the filesystem)
su root;
ll /home/pierre;
freeze the terminal (Ctrl +C do NOT work, but closing the terminal window and
opening a new one is a workaround).
Using autocompletion with tab tab freeze the terminal too.
su pierre;
ll /home/pierre;
drwxr-xr-x. 2 pierre pierre 4096 5 mai 2010 Bananas
d?????????? ? ? ? ? ? test
4) UMOUNT FAILS
su pierre;
fusermount -u /home/pierre/test;
fusermount: entry for /home/pierre/test not found in /etc/mtab
But fusermount lies:
cat /etc/mtab | grep test;
some...@somewhere.com:/home/someone /home/pierre/test fuse.sshfs
rw,nosuid,nodev,relatime,user_id=0,group_id=0,max_read=65536 0 0
su -;
umount /home/pierre/test;
Terminal freezes but Ctrl +C works.
---
Expected results:
fusermount -u should unmount the filesystem, not freeze the terminal
ls should work
even if ssh is lost, the mounted folder must be in a state that do not generate
strage bugs.
** Affects: sshfs-fuse (Ubuntu)
Importance: Undecided
Status: New
** Affects: sshfs-fuse (Fedora)
Importance: Unknown
Status: Unknown
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https://bugs.launchpad.net/bugs/912153
Title:
cannot unmount sshfs mounts when ssh connection is lost
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