[Bug 1553181] Comment bridged from LTC Bugzilla

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------- Comment From brsriniv at in.ibm.com 2016-03-16 09:34 EDT-------
Hello Canonical,

The suggested workaround works for us. This bug can be closed.

Thanks!

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https://bugs.launchpad.net/bugs/1553181

Title:
  ISST-LTE: pVM: warning message showed in dmesg after update-grub

Status in os-prober package in Ubuntu:
  Triaged

Bug description:
  == Comment: #0 - Ping Tian Han - 2016-02-24 01:27:37 ==
  After run update-grub, there are some warning message showed in dmesg:

  % dmesg|tail -n 50
  [ 1368.420636] FAT-fs (sdj1): Can't find a valid FAT filesystem
  [ 1368.430463] XFS (sdj1): Invalid superblock magic number
  [ 1368.435139] FAT-fs (sdj1): bogus number of reserved sectors
  [ 1368.435153] FAT-fs (sdj1): Can't find a valid FAT filesystem
  [ 1368.441715] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device sdj1.
  [ 1368.444377] hfsplus: unable to find HFS+ superblock
  [ 1368.446243] qnx4: no qnx4 filesystem (no root dir).
  [ 1368.447300] ufs: You didn't specify the type of your ufs filesystem
    
                 mount -t ufs -o ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-cd|openstep ...
    
                 >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
  [ 1368.448362] ufs: ufs_fill_super(): bad magic number
  [ 1368.450876] hfs: can't find a HFS filesystem on dev sdj1
  [ 1584.756560] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  [ 1584.757936] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  [ 1584.759326] EXT4-fs (sde1): VFS: Can't find ext4 filesystem
  [ 1584.760860] FAT-fs (sde1): bogus number of reserved sectors
  [ 1584.760864] FAT-fs (sde1): Can't find a valid FAT filesystem
  [ 1584.769420] XFS (sde1): Invalid superblock magic number
  [ 1584.772785] FAT-fs (sde1): bogus number of reserved sectors
  [ 1584.772805] FAT-fs (sde1): Can't find a valid FAT filesystem
  [ 1584.778630] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device sde1.
  [ 1584.780595] hfsplus: unable to find HFS+ superblock
  [ 1584.782159] qnx4: no qnx4 filesystem (no root dir).
  [ 1584.783449] ufs: You didn't specify the type of your ufs filesystem

                 mount -t ufs -o
  ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-
  cd|openstep ...

                 >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
  [ 1584.784190] ufs: ufs_fill_super(): bad magic number
  [ 1584.786136] hfs: can't find a HFS filesystem on dev sde1
  [ 1587.351905] EXT4-fs (sdj1): VFS: Can't find ext4 filesystem
  [ 1587.353848] EXT4-fs (sdj1): VFS: Can't find ext4 filesystem
  [ 1587.356665] EXT4-fs (sdj1): VFS: Can't find ext4 filesystem
  [ 1587.358527] FAT-fs (sdj1): bogus number of reserved sectors
  [ 1587.358535] FAT-fs (sdj1): Can't find a valid FAT filesystem
  [ 1587.369653] XFS (sdj1): Invalid superblock magic number
  [ 1587.374185] FAT-fs (sdj1): bogus number of reserved sectors
  [ 1587.374207] FAT-fs (sdj1): Can't find a valid FAT filesystem
  [ 1587.380672] VFS: Can't find a Minix filesystem V1 | V2 | V3 on device sdj1.
  [ 1587.383023] hfsplus: unable to find HFS+ superblock
  [ 1587.384816] qnx4: no qnx4 filesystem (no root dir).
  [ 1587.385995] ufs: You didn't specify the type of your ufs filesystem

                 mount -t ufs -o
  ufstype=sun|sunx86|44bsd|ufs2|5xbsd|old|hp|nextstep|nextstep-
  cd|openstep ...

                 >>>WARNING<<< Wrong ufstype may corrupt your filesystem, default is ufstype=old
  [ 1587.387210] ufs: ufs_fill_super(): bad magic number
  [ 1587.389515] hfs: can't find a HFS filesystem on dev sdj1

  % sudo dpkg -l grub2-common
  Desired=Unknown/Install/Remove/Purge/Hold
  | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
  |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
  ||/ Name                                           Version                      Architecture                 Description
  +++-==============================================-============================-============================-=================================================================================================
  ii  grub2-common                                   2.02~beta2-36                ppc64el                      GRand Unified Bootloader (common files for version 2)

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