Oh, and maybe of less relevance, but to keep it complete, here is the output of "top":
top - 13:46:47 up 5 days, 56 min, 2 users, load average: 1.00, 0.97, 1.01 Tasks: 172 total, 2 running, 170 sleeping, 0 stopped, 0 zombie %Cpu(s): 0.0 us, 12.0 sy, 0.0 ni, 83.3 id, 0.0 wa, 4.8 hi, 0.0 si, 0.0 st KiB Mem: 16415556 total, 2105640 used, 14309916 free, 390756 buffers KiB Swap: 4194296 total, 0 used, 4194296 free. 865744 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 86 root 20 0 0 0 0 R 100.0 0.0 6867:11 kworker/2:1 15637 root 20 0 24956 1760 1172 R 0.3 0.0 0:00.03 top ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1322407 Title: NFS kernel server creates a kworker with 100% CPU usage, then hangs randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1322407/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs