Setting the io scheduler to cfq seems to have resolved/workaround the issue for me.
Kernel parameter: elevator=cfq -- 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