On Monday 2011-04-04 14:47, Luk Claes wrote:
>On 04/04/2011 01:55 PM, Jan Engelhardt wrote:
>> Package: cifs-utils
>> Version: 4.9
>
>That's not a version in Debian, I guess you mean 2:4.9-1? Can you give
>the output from 'apt-cache policy cifs-utils' so we can confirm?
I don't actually run Debian, though I monitor DBTS for bugs against
upstream packages, such as pam_mount, that I maintain. I suspect that,
since the bug is reproducible on openSUSE too, that it is a general
issue. Appending new findings to the Debian issue stream seems like the
best way to record the persistence of problems.
>> Bug #586009 has essentially not been solved. Fixing mtab won't help when
>> you run systems with /etc/mtab as a symlink to /proc/self/mounts.
>
>Any reason why you open a new bug in that case?
DBTS tends to.. reject mail some time in the future after a bug has been
closed.
>> # strace -fe mount -s 65536 -v mount -t cifs //localhost/homes /mnt -o
>> user=root
>> [pid 2734] mount("//localhost/homes/", ".", "cifs", 0,
>> "ip=::1,unc=\\\\localhost\\homes,,ver=1,user=root,pass=abc") = 0
>>
>> # tail -n1 /proc/self/mounts
>> //localhost/homes/ /mnt cifs
>> rw,relatime,unc=\\localhost\homes,username=root,uid=0,noforceuid,gid=0,noforcegid,addr=0000:0000:0000:0000:0000:0000:0000:0001,posixpaths,serverino,acl,rsize=16384,wsize=57344,actimeo=1
>> 0 0
>
>This is an observation, though I don't see any mention of what problem
>it causes for you especially as you are being root when doing the mount.
The problem occurs when one tries to compare whether something has been
mounted already. In pam_mount.conf.xml, someone may specify
"//localhost/homes" to be mounted. This then gets mounted on login,
however, on second login, it may be erroneously tried to be mounted
again, because "//localhost/homes/" (procfs) != "//localhost/homes"
(config).
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