I've seen this sort of thing before.  Generally, it's the firmware of the
MP3 player deciding that part (or all) of the filesystem is screwed and
dumping the data it thinks is bogus.

It's not really a usb-storage problem.  It's a filesystem problem.  To
date, I know of nobody who has figured out why the MP3 player thinks
anything is wrong.

Matt

On Mon, Feb 09, 2004 at 03:04:09AM +0100, Johannes Liedtke wrote:
> On Sunday 08 February 2004 15:37, Johannes Liedtke wrote:
> > My problem was that I formatted the stick using W2K.
> > If I use "mkfs.msdos /dev/sda1", everything's fine. I can now use it with
> > windoze and linux boxes w/o any problems, no files vanish.
> 
> I was wrong... it worked, while I was testing it with a few files (about 20MB 
> total). But when I put more files on it (53 files with a total of ~190MB) and 
> unmount it, unplug it, replug it, wait for the affirmative beep, unplug it, 
> then all files are gone, together with the filesystem - well, I guess the fs 
> got corrupted somehow.
> Mount said:
> mount: I could not determine the filesystem type, and none was specified
> 
> This happens with 8.3 filenames, too.
> 
> I repartitioned and reformatted using W2K. It now still loses the files but 
> the fs doesn't seem to get totally fupduck. But it's back to losing even one 
> file...
> 
> What does actually happen when I plug the stick in?
> How can that kill the fs?
> Can I do sth about it?
> 
> regards,
> Johannes
> 
> -- 
> SuSE 8.1pro (stock kernel: 2.4.19, I think) - KDE 3.0.3 - KMail 1.4.3
> 
> 
> 
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-- 
Matthew Dharm                              Home: [EMAIL PROTECTED] 
Maintainer, Linux USB Mass Storage Driver

NYET! The evil stops here!
                                        -- Pitr
User Friendly, 6/22/1998

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