Whenever connected to my dynadock, my notebook (Linux Mint running Ubuntu 14.04.1) has crashed unexpectedly with:And if I press Ctrl+Alt+F8:[drm:intel_set_cpu_fifo_underrun_reporting [i915] *ERROR* uncleared fifo underrun on pipe B[drm:intel_cpu_fifo_underrrun_irq_handler [i915] *ERROR* CPU pipe B FIFO underrunParticular occasions when this occurs include:after a few hours of using my notebook with no apparent problems. Some messages that could be useful from syslog:Feb 20 12:08:44 andyandy-net acpid: input device has been disconnected, fd 15Feb 20 12:08:44 andyandy-net avahi-daemon[988]: Withdrawing workstation service for eth1.Feb 20 12:08:44 andyandy-net NetworkManager[951]:    SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2.3/1-2.3:1.0/net/eth1, iface: eth1)Feb 20 12:08:44 andyandy-net NetworkManager[951]: <info> (eth1): device state change: unavailable -> unmanaged (reason 'removed') [20 10 36]Feb 20 12:08:44 andyandy-net NetworkManager[951]: <info> (eth1): cleaning up...Feb 20 12:08:44 andyandy-net NetworkManager[951]: <warn> (4) failed to find interface name for indexFeb 20 12:08:44 andyandy-net NetworkManager[951]: (nm-system.c:766):nm_system_iface_get_flags: runtime check failed: (iface != NULL)Feb 20 12:08:44 andyandy-net NetworkManager[951]: <error> [1455970124.693318] [nm-system.c:768] nm_system_iface_get_flags(): (unknown): failed to get interface link objectFeb 20 12:08:44 andyandy-net kernel: [ 3199.935878] usb 1-2.3: USB disconnect, device number 7Feb 20 12:08:44 andyandy-net kernel: [ 3199.935965] asix 1-2.3:1.0 eth1: unregister 'asix' usb-0000:00:14.0-2.3, ASIX AX88772 USB 2.0 EthernetFeb 20 12:08:44 andyandy-net kernel: [ 3199.955625] usb 1-2.5: USB disconnect, device number 8Feb 20 12:08:44 andyandy-net acpid: input device has been disconnected, fd 16Feb 20 12:08:44 andyandy-net acpid: input device has been disconnected, fd 17after sending my computer to sleep (to save energy), more often then not upon waking it up the screen shows (or when trying to shut it down after it has been in sleep mode). Some messages that could be useful from syslog:Feb 20 15:10:40 andyandy-net acpid: starting up with netlink and the input layerFeb 20 15:10:40 andyandy-net acpid: 9 rules loadedFeb 20 15:10:40 andyandy-net acpid: waiting for events: event logging is offFeb 20 15:10:40 andyandy-net kernel: [    5.153780] init: plymouth-upstart-bridge main process (1523) terminated with status 1Feb 20 15:10:40 andyandy-net kernel: [    5.153792] init: plymouth-upstart-bridge main process ended, respawningFeb 20 15:10:40 andyandy-net acpid: client connected from 1541[0:0]Feb 20 15:10:40 andyandy-net acpid: 1 client rule loadedFeb 20 15:10:41 andyandy-net kernel: [    5.280196] init: plymouth-stop pre-start process (1683) terminated with status 1I've only noticed this problem after connecting my notebook to my dynadock for ease of use.I don't understand what is causing the error (the trace gives no clues to me), so any explanation and help would be greatly appreciated.
dynadock - Crashes unexpectedly with Fixing recursive fault but reboot is needed
cpu;suspend;acpi;multi monitor;intel graphics