Re: Cannot remove flash memory

Dotan Cohen wrote:

I've always heard that one should never pull out a USB stick when the
led is lit or flashing. Does anybody else have a second opinion?

Which kde versions are you using? some recent hal/kde updates have caused
problems for usb sticks:

https://bugs.launchpad.net/distros/ubuntu/+source/kdebase/+bug/70417
https://bugs.launchpad.net/distros/ubuntu/+source/kdebase/+bug/72869

At that point, the icon disappears, but the
LED on the USB unit turns on, and never turns off. So I cannot remove
the device.

First check if the device is still mounted, using the mount command:

$ mount
/dev/hda8 on / type reiserfs (rw)
proc on /proc type proc (rw)
<many lines deleted>
/dev/sda1 on /media/STICK type vfat (rw,noexec,nosuid,nodev,noatime,
uid=1001,utf8,shortname=lower)

You should be able to unmount it with the pumount command. If this fails, it
will often give a better error message that kde. For example in this case I
still had konqueror window open:

$ pumount /media/STICK/
umount: /media/STICK: device is busy
umount: /media/STICK: device is busy
Error: umount failed

After unmounting there is still no guarantee that all the data has been
written. Particularly if you have a slow memory stick. Try the
command 'sync'. This will only return when all outstanding data has been
written.

If anything seems to be going wrong then check /var/log/syslog for kernel
error messages.

I hope this helps.




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