[clug-talk] Flash drive problem

[Mark Carlson]

On 5/6/09, Richard Carter <carter.r.a.l at gmail.com> wrote:
> Hi Folks,
>
> I have 2 USB flash drives with details below:
>
> redcube:~# df -Th
> Filesystem    Type    Size  Used Avail Use% Mounted on
> /dev/hda1     ext3    142G   46G   89G  34% /
> tmpfs        tmpfs    976M     0  976M   0% /lib/init/rw
>  udev         tmpfs     10M  100K   10M   1% /dev
> tmpfs        tmpfs    976M     0  976M   0% /dev/shm
> /dev/hdc   iso9660    3.1G  3.1G     0 100% /media/cdrom0
> /dev/sda1     vfat    7.7G  8.0K  7.7G   1% /media/PATRIOT
>  /dev/sdb1     vfat     16G  461M   16G   3% /media/USB DISK
>
> Under kubuntu 9.04 both PATRIOT  and  USB DISK are mounted as read/write so
> I am able to copy files to and from either one.  But under debian 5.0 only
> PATRIOT is mounted as read/write while USB DISK is mounted as write only so
> I am unable to copy file to USB DISK.
>
> I suspect this has something to do with /etc/fstab on the system running
> debian but I don't know what I should do so that both flash drives always
> mount as read/write on that system.
>
> I realize that this is somewhat related to an earlier thread.  I'm sorry but
> I'm a slow learner.
>
> Robin

Give this a try:
- Remove the flash drives
- Run this as root:
modprobe -r ehci_hcd
- Plug the flash drives back in

If it works now, then you may have be experiencing a bug related to
the USB 2.0 driver (and your hardware) in Debian.

-Mark C.