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[martin suc <1371262@xxxxxxxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

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Title:
  kernel try to mount partition with unknown filesystem

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Hi,

  I have got syslog error that kernel is trying to mount partition with
  unknown file system:

  Sep 18 01:03:39 ARIVUBU os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sde1
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.585226] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.586163] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.587100] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.588039] FAT-fs (sde1): invalid media value (0xb5)
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.588041] FAT-fs (sde1): Can't find a valid FAT filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.621168] XFS (sde1): Invalid superblock magic number
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.628618] FAT-fs (sde1): invalid media value (0xb5)
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.628620] FAT-fs (sde1): Can't find a valid FAT filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.631463] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device sde1.
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.634430] hfsplus: unable to find HFS+ superblock
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.635388] qnx4: no qnx4 filesystem (no root dir).
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636181] You didn't specify the type of your ufs filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636181] 
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636181] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636181] 
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636181] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.636349] ufs_read_super: bad magic number
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.637321] hfs: can't find a HFS filesystem on dev sde1
  Sep 18 01:03:39 ARIVUBU os-prober: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sdf1
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.784640] EXT4-fs (sdf1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.785889] EXT4-fs (sdf1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.787125] EXT4-fs (sdf1): VFS: Can't find ext4 filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.788280] FAT-fs (sdf1): invalid media value (0x7d)
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.788283] FAT-fs (sdf1): Can't find a valid FAT filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.793998] XFS (sdf1): Invalid superblock magic number
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.797373] FAT-fs (sdf1): invalid media value (0x7d)
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.797375] FAT-fs (sdf1): Can't find a valid FAT filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.801157] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device sdf1.
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.802872] hfsplus: unable to find HFS+ superblock
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804030] qnx4: no qnx4 filesystem (no root dir).
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804847] You didn't specify the type of your ufs filesystem
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804847] 
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804847] mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804847] 
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.804847] >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.805620] ufs_read_super: bad magic number
  Sep 18 01:03:39 ARIVUBU kernel: [ 1149.807247] hfs: can't find a HFS filesystem on dev sdf1

  
  The first case:  "/dev/sde1" Partition is marked as bios-grub and should not be trying to be mounted by kernel.
  The second case " /dev/sdf1" is used by truecrypt application . Kernel should not be trying to mount it.

  
  uname -a
  Linux ARIVUBU 3.16.0-14-lowlatency #20-Ubuntu SMP PREEMPT Sun Sep 7 00:05:40 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  apt-cache policy linux-image-3.16.0-14-lowlatency
  linux-image-3.16.0-14-lowlatency:
    Installed: 3.16.0-14.20
    Candidate: 3.16.0-14.20
    Version table:
   *** 3.16.0-14.20 0
          500 http://archive.ubuntu.com/ubuntu/ utopic/main amd64 Packages
          100 /var/lib/dpkg/status

  
  Thank You,
  Kind Regards,
  Martin

  P.S. Is it possible to tell to kernel not to trying mount some
  specific partition/s ? Like by some kernel parameter ...

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