Install error on fresh Buster

    Hello,


    I followed these instructions on a fresh Buster install and this line:

    Code
    apt-get --yes --auto-remove --show-upgraded \

    	--allow-downgrades --allow-change-held-packages \

    	--no-install-recommends \

    	--option Dpkg::Options::="--force-confdef" \

    	--option DPkg::Options::="--force-confold" \

    	install openmediavault-keyring openmediavault

    fails with:

    Whole output here: https://pastebin.com/3dUNLFJt


    Do you have any hint on what could be expected, as a block device number 22?


    This is cat /etc/fstab:

    and ls -l /dev/block:

    Code
    total 0

    lrwxrwxrwx 1 root root 6 Aug  6 15:36 8:0 -> ../sda

    lrwxrwxrwx 1 root root 7 Aug  6 15:36 8:1 -> ../sda1

    lrwxrwxrwx 1 root root 6 Aug  6 15:36 8:16 -> ../sdb

    lrwxrwxrwx 1 root root 7 Aug  6 15:36 8:17 -> ../sdb1

    lrwxrwxrwx 1 root root 7 Aug  6 15:36 8:2 -> ../sda2

    lrwxrwxrwx 1 root root 6 Aug  6 15:36 8:32 -> ../sdc

    lrwxrwxrwx 1 root root 7 Aug  6 15:36 8:33 -> ../sdc1

    lrwxrwxrwx 1 root root 7 Aug  6 15:36 8:5 -> ../sda5

    I understand OMV is meant to work with a data partition which is distinct from the root fs, can you figure if the above error is related? I'd like to rule out other issues before reallocating the storage.

    Edited 2 times, last by Daniele: Fix link typo and formatting. ().

    It seems that there is a problem with BTRFS as root filesystem and the pyudev library.


    Could you please execute the following commands and post the output:


    Bash
    $ stat /


    Bash
    $ python3

    Python 3.6.8 (default, Jan 14 2019, 11:02:34)[GCC 8.0.1 20180414 (experimental) [trunk revision 259383]] on linuxType "help", "copyright", "credits" or "license" for more information.

    >>> import os

    >>> st = os.stat("/")

    >>> st

    >>> os.major(st.st_dev), os.minor(st.st_dev)

    The output of the Python interactive shell should look like:


    Bash
    $ python3

    Python 3.6.8 (default, Jan 14 2019, 11:02:34) 

    [GCC 8.0.1 20180414 (experimental) [trunk revision 259383]] on linux

    Type "help", "copyright", "credits" or "license" for more information.

    >>> import os

    >>> st = os.stat("/")

    >>> st

    os.stat_result(st_mode=16877, st_ino=2, st_dev=2050, st_nlink=24, st_uid=0, st_gid=0, st_size=4096, st_atime=1565156590, st_mtime=1563864897, st_ctime=1563864897)

    >>> os.major(st.st_dev), os.minor(st.st_dev)

    (8, 2)


    Now execute the following command with YOUR major/minor numbers:



    Bash
    $ ls -alh /sys/dev/block/8:2

    Thanks for your quick reply, stat / gives:

    Code
    File: /

      Size: 276       	Blocks: 32         IO Block: 4096   directory

    Device: 16h/22d	Inode: 256         Links: 1

    Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)

    Access: 2019-08-07 11:09:01.836276415 +0200

    Modify: 2019-08-07 11:05:06.986117941 +0200

    Change: 2019-08-07 11:05:06.986117941 +0200

     Birth: -

    The Python session (note I had version 3.7.3 pulled automatically):

    Python
    Python 3.7.3 (default, Apr  3 2019, 05:39:12) 

    [GCC 8.3.0] on linux

    Type "help", "copyright", "credits" or "license" for more information.

    >>> import os

    >>> st = os.stat("/")

    >>> st

    os.stat_result(st_mode=16877, st_ino=256, st_dev=22, st_nlink=1, st_uid=0, st_gid=0, st_size=276, st_atime=1565168941, st_mtime=1565168706, st_ctime=1565168706)

    >>> os.major(st.st_dev), os.minor(st.st_dev)

    (0, 22)

    and indeed ls -alh /sys/dev/block/0:22 doesn't find it:

    Code
    ls: cannot access '/sys/dev/block/0:22': No such file or directory

    ls -alh /sys/dev/block gives:

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