And some dmesg info: [827521.940076] INFO: task dpkg:17321 blocked for more than 120 seconds. [827521.940080] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [827521.940083] dpkg D 0000000000000000 0 17321 17127 0x00000000 [827521.940088] ffff8801db145e30 0000000000000086 0000000000015bc0 0000000000015bc0 [827521.940093] ffff88010002b1a0 ffff8801db145fd8 0000000000015bc0 ffff88010002ade0 [827521.940097] 0000000000015bc0 ffff8801db145fd8 0000000000015bc0 ffff88010002b1a0 [827521.940101] Call Trace: [827521.940111] [<ffffffff81543435>] rwsem_down_failed_common+0x95/0x1f0 [827521.940115] [<ffffffff815435e6>] rwsem_down_read_failed+0x26/0x30 [827521.940119] [<ffffffff812bd024>] call_rwsem_down_read_failed+0x14/0x30 [827521.940123] [<ffffffff81542884>] ? down_read+0x24/0x30 [827521.940128] [<ffffffff8116a757>] sync_filesystems+0xb7/0x130 [827521.940131] [<ffffffff8116a827>] sys_sync+0x17/0x40 [827521.940135] [<ffffffff810121b2>] system_call_fastpath+0x16/0x1b
-- dpkg in uninterruptible sleep https://bugs.launchpad.net/bugs/606341 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