I suspect this issue is related to https://bugzilla.kernel.org/show_bug.cgi?id=15426. Should a patch or updated kernel be released, this issue should resolve itself. However, this will require that the patch be included in a subsequent kernel or backported and then packaged and deployed. I propose this issue be escalated and the importance raised due to the potential failure due to high I/O loads.
** Bug watch added: Linux Kernel Bug Tracker #15426 http://bugzilla.kernel.org/show_bug.cgi?id=15426 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/624877 Title: INFO: task dpkg:23317 blocked for more than 120 seconds. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs