On Fri, 2012-04-13 at 15:59 +0200, suvayu ali wrote: > On Fri, Apr 13, 2012 at 15:22, Kevin Martin <kevintm@xxxxxxxxxxxxx> wrote: > > > > > > On 04/13/2012 05:55 AM, suvayu ali wrote: > >> On Fri, Apr 13, 2012 at 11:47, Reindl Harald <h.reindl@xxxxxxxxxxxxx> 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? > > That is a good question. I don't know what would happen then. I guess if > the filesystem implementation is smart enough to return an error when > the network goes down, then the I/O wait is over and the application > gets file read error of some kind and "wakes up" from its > UNINTERRUPTIBLE SLEEP. But then, this is just a hypothesis which I > cannot test (I do not have admin privileges to test this). > > -- > Suvayu > > Open source is the future. It sets us free. Thanks for your help I will try all the suggestions next time, including disabling the NIC to see if it free's the CP or allows umount ? -- Andrew Gray <andrewg@xxxxxxxxxxxxxxx> Linnet Solutions Ltd -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
