On 04/13/2012 05:55 AM, suvayu ali wrote:
> On Fri, Apr 13, 2012 at 11:47, Reindl Harald <h.rei...@thelounge.net> wrote:
>>> How can I kill the broken cp operation ?
>> killall -s SIGKILL cp
> This might not work always. I have faced similar issues with processes
> waiting to access a filesystem over the network. In these cases if there
> is a problem with the network it might get into an UNINTERRUPTIBLE SLEEP
> since it is waiting for I/O. The only way to get rid of these processes
> is to wait or reboot. In my case this was a tape drive over a network
> filesystem.
>
> The OP can check if this is indeed the case by doing
>
>   $ ps uf
>
> If the "cp" process is in UNINTERRUPTIBLE SLEEP, the STATE of the
> process should be D. If not then you can ignore my comment.
>
What happens if you ifdown the nic (if you are on the console obviously)?  
Would that allow the cif mount and/or the cp to become
available for umount/kill?

Kevin
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