Public bug reported: When connecting a awake and running laptop to Dells docking station the desktop crashes and shows the disk encryption password login prompt: https://goo.gl/photos/9QEkQDkNPbT71wDD6 After entering the password all screens goes black and nothing happens.
Trying to undock and then dock again after the above problem the console displays the follwing: https://goo.gl/photos/KLrtdCuTKa7sps298 Also posted a question with more details before the upgrade to 16.04 here https://answers.launchpad.net/ubuntu/+question/291536 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: johannes 2499 F.... pulseaudio /dev/snd/controlC0: johannes 2499 F.... pulseaudio CurrentDesktop: Unity Date: Tue Apr 26 10:14:15 2016 EcryptfsInUse: Yes InstallationDate: Installed on 2015-04-13 (378 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: Dell Inc. Latitude E7450 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_osi=!Windows 2012 crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-04-22 (3 days ago) dmi.bios.date: 03/29/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 06HN6G dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA11:bd03/29/2016:svnDellInc.:pnLatitudeE7450:pvr:rvnDellInc.:rn06HN6G:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E7450 dmi.sys.vendor: Dell Inc. ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug xenial ** Attachment added: "Screen after second docking when screen went black after encryption password" https://bugs.launchpad.net/bugs/1575038/+attachment/4647501/+files/20160426_101242.jpg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1575038 Title: Connecting docking station reboots computer Status in linux package in Ubuntu: Confirmed Bug description: When connecting a awake and running laptop to Dells docking station the desktop crashes and shows the disk encryption password login prompt: https://goo.gl/photos/9QEkQDkNPbT71wDD6 After entering the password all screens goes black and nothing happens. Trying to undock and then dock again after the above problem the console displays the follwing: https://goo.gl/photos/KLrtdCuTKa7sps298 Also posted a question with more details before the upgrade to 16.04 here https://answers.launchpad.net/ubuntu/+question/291536 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-21-generic 4.4.0-21.37 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: johannes 2499 F.... pulseaudio /dev/snd/controlC0: johannes 2499 F.... pulseaudio CurrentDesktop: Unity Date: Tue Apr 26 10:14:15 2016 EcryptfsInUse: Yes InstallationDate: Installed on 2015-04-13 (378 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: Dell Inc. Latitude E7450 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash acpi_osi=!Windows 2012 crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-21-generic N/A linux-backports-modules-4.4.0-21-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: Upgraded to xenial on 2016-04-22 (3 days ago) dmi.bios.date: 03/29/2016 dmi.bios.vendor: Dell Inc. dmi.bios.version: A11 dmi.board.name: 06HN6G dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA11:bd03/29/2016:svnDellInc.:pnLatitudeE7450:pvr:rvnDellInc.:rn06HN6G:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E7450 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1575038/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp