On 8/7/2011 1:00 PM, Rich Shepard wrote:
>     I have a 32G high-speed SD card for my Panasonic digitatl camcorder. I
> just tried for the first time to transfer the SD card's contents to my
> computer, but could not do so.
>
>     /var/log/messages tells me it's seen as /dev/sdb, and in /etc/fstab that
> device is mounted on /mnt/thumb. However, when I try to mount it the attempt
> fails:
>
> [rshepard@salmo ~]$ mount /mnt/thumb
> mount: wrong fs type, bad option, bad superblock on /dev/sdb,
>          missing codepage or helper program, or other error
>          In some cases useful info is found in syslog - try
>          dmesg | tail  or so
>
>     dmesg does not add much insight:
>
> [rshepard@salmo ~]$ dmesg | tail
> sd 8:0:0:0: [sdb] 63485952 512-byte logical blocks: (32.5 GB/30.2 GiB)
> sd 8:0:0:0: [sdb] Write Protect is off
> sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00
> sd 8:0:0:0: [sdb] Assuming drive cache: write through
> sd 8:0:0:0: [sdb] Assuming drive cache: write through
>    sdb: sdb1
> sd 8:0:0:0: [sdb] Assuming drive cache: write through
> sd 8:0:0:0: [sdb] Attached SCSI removable disk
> FAT: bogus number of reserved sectors
> VFS: Can't find a valid FAT filesystem on dev sdb.
>
>     I understand that these cards need to be formatted by the camera. Have any
> of you experienced users advice for me to resolve this issue?
>
> Rich
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Have you tried mounting the card as root?
I recall this as a problem I had in the past with an sd card.

Bruce
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