SD card suddenly read-only

[Bruce Marshall]

On Monday 13 October 2008, Dotan Cohen wrote:
> hardy2 at hardy2-laptop:~$ dmesg | tail
> [ 1904.925562] sd 2:0:0:3: Attached scsi generic sg5 type 0
> [ 1907.366009] FAT: Filesystem panic (dev sdb1)
> [ 1907.366016]     fat_get_cluster: invalid cluster chain (i_pos 0)
> [ 1907.366020]     File system has been set read-only
> [ 1927.067153] FAT: Filesystem panic (dev sdb1)
> [ 1927.067160]     fat_get_cluster: invalid cluster chain (i_pos 0)
> [ 2090.004226] FAT: Filesystem panic (dev sdb1)
> [ 2090.004233]     fat_get_cluster: invalid cluster chain (i_pos 0)
> [ 2112.759870] FAT: Filesystem panic (dev sdb1)
> [ 2112.759877]     fat_get_cluster: invalid cluster chain (i_pos 0)
>
> The economy is bad, but that should make the SD card feel more
> comfortable that I will not replace him. Why is it panicing then?

Looks like it might need reformatting.    Filesystem is corrupted.