[clug-talk] Flash drive problem

[Richard Carter]

Hi Mark,

As you suggested, after rebooting my debian box I can read the flash drive
and no data has been lost.  And I can still write to it from my kubuntu
laptop.  Also I mounted it on my wife's xp laptop and renamed it to "dane16"
so there is no longer a blank in the name.

I'm busy getting ready to return to Cochrane from Ont. so I'll have to set
this project aside for a while.

Thanks to everyone for your help.

Robin



On Thu, May 7, 2009 at 12:46 AM, Mark Carlson <carlsonmark at gmail.com> wrote:

> Hello Robin,
>
> It should be fixed again by re-insering the kernel module (or rebooting):
> modprobe ehci_hcd
>
> Then plug the drive back in.  No data should have been lost, unless
> you were writing to it while you removed the ehci_hcd module.
>
> There are a few things you could try, here:
>
> http://forums.debian.net/viewtopic.php?p=218599&sid=73be386f7f4007004695b527e968cdcc#p218599
>
> But it's very similar to what I just described.
>
> -Mark C.
>
> On 5/6/09, Richard Carter <carter.r.a.l at gmail.com> wrote:
> > Hi Mark,
> >
> > Thanks for the tip.   I did what you suggest but now the flash drive
> won't
> > mount!
> > I'm glad there was nothing on that I needed to keep.
> >
> > Robin
> >
> >
> > On Wed, May 6, 2009 at 5:52 PM, Mark Carlson <carlsonmark at gmail.com>
> wrote:
> >
> > >
> > >
> > >
> > >
> > > 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.
> > >
> > >
> > >
> > >
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