Cannot mount usb flash disk

[Miroslav Lachman]

Fehmi Noyan ISI wrote:
> Hi
> 
> I cannot mount my USB flash disk. The problem is that, if i boot the machine  with the disk is plugged, I am ablr to mount/umount it. But after unplugging the disk from my laptop I am no longer able to mount it again! When I plug it second time, there are some messages  on my console. 

Did you unmount the flash disk befor unplugging?

Miroslav Lachman