I also have this problem. Me messages are always flooded with these. Here is the most recent output of dmesg:
[ 18.480023] hci_cmd_timer: hci0 command tx timeout [ 19.480019] hci_cmd_timer: hci0 command tx timeout [ 20.480021] hci_cmd_timer: hci0 command tx timeout [ 21.480022] hci_cmd_timer: hci0 command tx timeout [ 21.524686] EXT4-fs (sda6): re-mounted. Opts: errors=remount-ro,commit=0 [ 21.630810] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro,commit=0 [ 22.216733] init: plymouth-stop pre-start process (1490) terminated with status 1 [ 22.480034] hci_cmd_timer: hci0 command tx timeout [ 23.480011] hci_cmd_timer: hci0 command tx timeout [ 24.480021] hci_cmd_timer: hci0 command tx timeout [ 25.480024] hci_cmd_timer: hci0 command tx timeout [ 26.480022] hci_cmd_timer: hci0 command tx timeout [ 27.480022] hci_cmd_timer: hci0 command tx timeout [ 28.480022] hci_cmd_timer: hci0 command tx timeout [ 29.056024] eth0: no IPv6 routers present [ 29.480019] hci_cmd_timer: hci0 command tx timeout [ 30.480064] hci_cmd_timer: hci0 command tx timeout [ 31.480019] hci_cmd_timer: hci0 command tx timeout [ 32.480023] hci_cmd_timer: hci0 command tx timeout [ 33.480009] hci_cmd_timer: hci0 command tx timeout [ 34.480009] hci_cmd_timer: hci0 command tx timeout [ 35.480022] hci_cmd_timer: hci0 command tx timeout -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/785783 Title: hci_cmd_timer: hci0 command tx timeout To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/785783/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs