Two minotors are connected to the docking station. When connecting / disconnecting in most cases I got a freeze with blank screen. I attached the seemingly relevant syslog part.
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ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: egerpon 6691 F.... pulseaudio
/dev/snd/pcmC1D0p: egerpon 6691 F...m pulseaudio
/dev/snd/controlC1: egerpon 6691 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/my_vg-swap_1
MachineType: Dell Inc. Latitude E7440
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-18-generic root=/dev/mapper/my_vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-18.34~14.04.1-generic 4.4.6
RelatedPackageVersions:
linux-restricted-modules-4.4.0-18-generic N/A
linux-backports-modules-4.4.0-18-generic N/A
linux-firmware 1.134~gd~t
Tags: trusty
Uname: Linux 4.4.0-18-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin audio cdrom lpadmin root sambashare ssh-allowed sudo vboxusers video
WifiSyslog:
_MarkForUpload: True
dmi.bios.date: 08/28/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A11
dmi.board.name: 03HFCG
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA11:bd08/28/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn03HFCG:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
This bug is missing log files that will aid in diagnosing the problem. From a terminal window please run:
apport-collect 1572628
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.