I filed a possibly related bug at: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/566841
I think this bug is pretty severe, because it makes my powerful laptop (quad core Dell M4400) act like it is > 10 years old for about 30 minutes after the period of heavy I/O. -- Heavy Disk I/O harms desktop responsiveness https://bugs.launchpad.net/bugs/131094 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs