This is due to a bug in the xenblk_front driver. You can work around it by disabling irqbalance.
http://forums.citrix.com/thread.jspa?threadID=272708&tstart=0 http://www.amailbox.org/mailarchive/linux-kernel/2010/9/3/4615243 -- 10.04 LTS Servers Hang with task kjournald blocked for more than 120 seconds https://bugs.launchpad.net/bugs/628530 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
