floppy problem

This isn't an earthshaking problem, but is mysterious to me.

I tried to copy a small file (~95k) to a blank floppy using mcopy.  Got 
a segmentation fault.  Tried again and the terminal gave me a blank 
line.  Cntl-C had no effect.  Couldn't get my terminal back.

Opened another terminal and tried "cp file-name  /mnt/floppy/" then 
"umount /mnt/floppy"    Got back "device busy"

Looked in ps -aux and the mcopy command is there with pid 12310 and 
status D.  It can't be killed with kill 12310.  

Status D means uninterruptible sleep according to the man page.

The line that shows up with "ps -aux" is this:
bruce    12310  0.0  0.0  1612  552 ?        D    10:38   0:00 mcopy 
gcc /mnt/floppy/

Short of restarting kde, is there any way to kill an uninterruptible 
sleeping process?  Or perhaps restarting kde won't kill it?

A sidenote:

When I try "ps -aux  |grep floppy"  the line doesn't show up, but most 
of the line does show up with "ps -aux  |grep 12310".  (I think maybe 
grep only looks at the first 80 characters???)

bruce
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