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Thread: CIFS VFS: Connecting to DFS root not implemented yet

  1. #1
    Join Date
    Oct 2007
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    24

    CIFS VFS: Connecting to DFS root not implemented yet

    Hi,

    Trying to mount a CIFS network drive on a new Xubuntu 12.10 installation. This entry used to work fine in the old machine (Xubuntu 12.04) but doesn't on my new machine:

    $ sudo mount -o username=dkarnowski,credentials=/home/dkarnowski/.smbcredentials,domain=virtu.local,file_mode=0775, dir_mode=0775 //filer1.virtu.local/vfin-public /home/dkarnowski/vfin-public/
    mount: wrong fs type, bad option, bad superblock on //filer1.virtu.local/vfin-public,
    missing codepage or helper program, or other error
    (for several filesystems (e.g. nfs, cifs) you might
    need a /sbin/mount.<type> helper program)
    In some cases useful info is found in syslog - try
    dmesg | tail or so


    Here's the corresponding kern.log errors:

    Dec 7 15:18:56 dkarnowski-Precision-T5600 kernel: [109947.614822] CIFS VFS: Connecting to DFS root not implemented yet
    Dec 7 15:18:56 dkarnowski-Precision-T5600 kernel: [109947.615135] CIFS VFS: cifs_mount failed w/return code = -22



    There are various references to this on the web and a patch was released for the 3.4.5 kernel. I'm currently on 3.5.0-19:

    $ uname -a
    Linux dkarnowski-Precision-T5600 3.5.0-19-generic #30-Ubuntu SMP Tue Nov 13 17:48:01 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux


    I took a look at the 3.5 kernel source and that patch seems to be in there, so presumably this is something different.

    I currently have cifs-utils 2.5.5-1ubuntu1 installed.

    Not sure where to look next. Any help appreciated.

  2. #2
    Join Date
    Jul 2007
    Beans
    123

    Re: CIFS VFS: Connecting to DFS root not implemented yet

    Same problem here. #49 from http://ubuntuforums.org/showthread.php?t=1946145&page=5 got it working for me.

    Short story:

    Code:
    sudo apt-get update
    sudo apt-get install cifs-utils

  3. #3
    Join Date
    May 2007
    Beans
    3

    Re: CIFS VFS: Connecting to DFS root not implemented yet

    Thank you @cek

  4. #4
    Join Date
    Oct 2007
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    24

    Re: CIFS VFS: Connecting to DFS root not implemented yet

    Quote Originally Posted by cek View Post
    Short story:

    Code:
    sudo apt-get update
    sudo apt-get install cifs-utils
    I already had/have the latest version of cifs-utils installed: 2:5.5-1ubuntu1. Presumably my problem is different from yours.

  5. #5
    Join Date
    Oct 2007
    Beans
    24

    Re: CIFS VFS: Connecting to DFS root not implemented yet

    I apt-get removed cifs-utils and then apt-get installed it (same version) and now it works. So weird, but yes, seems it was cifs-utils related. The removal also removed packages xubuntu-live-settings, lupin-casper, and casper. I didn't reinstall those. So perhaps my problem was related to one of those, perhaps not. But anyway, all is good now for me.

  6. #6
    Join Date
    Aug 2007
    Beans
    19

    Re: CIFS VFS: Connecting to DFS root not implemented yet

    Quote Originally Posted by cek View Post
    Same problem here. #49 from http://ubuntuforums.org/showthread.php?t=1946145&page=5 got it working for me.

    Short story:

    Code:
    sudo apt-get update
    sudo apt-get install cifs-utils
    Worked for me on Kubuntu 12.04. Thanks!

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