On Sun, 2007-11-11 at 21:50 -0800, Kam Leo wrote: > Stopping the service at runlevel 5 did nothing to free the lock. For > some reason I could not kill the running process using top. In the > end I disabled the service for all runlevels ( 3,4 & 5) and rebooted. I think it is just a temporal problem at the remote side. I had the same problem this morning, but it works normally now. I recommend just kill -9 the helper process to get to yum. Hopefully it'll fix itself later on and you don't have to go through the trouble to reenable the service again.