посмотрел в логе dmesg - последняя строчка такая ubuntu failed to spawn atd main process:
16.832722] ppdev: user-space parallel port driver
[ 16.838544] init: avahi-cups-reload main process (722) terminated with status 1
[ 17.186419] Bluetooth: RFCOMM TTY layer initialized
[ 17.186443] Bluetooth: RFCOMM socket layer initialized
[ 17.186445] Bluetooth: RFCOMM ver 1.11
[ 17.539247] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 17.539252] Bluetooth: BNEP filters: protocol multicast
[ 17.539266] Bluetooth: BNEP socket layer initialized
[ 22.785300] r8169 0000:01:00.0 eth0: link down
[ 22.785325] r8169 0000:01:00.0 eth0: link down
[ 22.785394] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 22.785648] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 25.153559] r8169 0000:01:00.0 eth0: link up
[ 25.153572] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 25.826031] init: Failed to spawn atd main process: unable to execute: No such file or directory