Hi

sometimes user space program hangs forever.
In old days i remeber there was unkillable dosemu.
May be there are good how to. Some one can point to it?

This is problem/solution isn't related to current kernel. This
is question: what to do in this sitaution. 

Now i have eject(1)

 $ ps uax | grep eject
 root     12662  0.0  0.0   1528   560 ?        D    Jul31   0:00 eject
 root     12866  0.0  0.0   1532   560 pts/10   D    Jul31   0:00 eject
 $ date
 Wed Aug  1 21:56:59 EEST 2007

That same eject worked on that same hardware and kernel before.

 # strace -p 12662
 Process 12662 attached - interrupt to quit

dosn't show which syscall is called.

kill -9 12662 doesn't help to.

No ops, no other info in dmesg.

How to find problem? How to kill/stop proces without reboot?
How to find which lock is taken by kernel to complete user space
request/syscalls? 

kernel: 2.6.17-gentoo-r4-20061014-00
dmesg: http://89.190.108.145/~rokas/dmesg.txt
config: http://89.190.108.145/~rokas/config.txt

Thanks for any hints.

roma139
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