Wrong FS Error while mounting USB flash drive in Linux

June 3, 2008 at 12:28 am 1 comment

Recently, when I plug in my USB flash drive into my Acer 3680 running Mandriva 2008.1, I got the following error:

mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

When I did do a dmesg, I find the following error:

NTFS-fs warning (device sdb1): is_boot_sector_ntfs(): Invalid boot sector checksum.
NTFS-fs error (device sdb1): read_ntfs_boot_sector(): Primary boot sector is invalid.
NTFS-fs error (device sdb1): read_ntfs_boot_sector(): Mount option errors=recover not used. Aborting without trying to recover.
NTFS-fs error (device sdb1): ntfs_fill_super(): Not an NTFS volume.

The problem is that the usb key is formatted in FAT32. Attempts to use windows to fix the volume and reformatting the volume did not fix the problem. The problem was eventually traced to the /etc/fstab file. In it, I find:

/dev/sdb1 /media/hd ntfs user,nls=utf8,sync 0 0

This apparently cause the USB key to be mounted as a NTFS volume, which resulted in the error. The solution was to just delete the line. I am not sure how the line got there in the first place. It’s probably something added by accident by the Mandriva installer.


Entry filed under: linux.

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1 Comment Add your own

  • 1. Jone  |  February 12, 2009 at 5:44 am

    This line is added not by installer but for some stupid system script (perhaps, hotplug USB one?). It keeps reappearing in my fstab as ‘vfat’ mounting, thus preventing me to mount my external NTFS HD later. Long time I desperately search for the source of that modification to kill it completely death…


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