This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1614513
Title:
System freezes when undocking laptop
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have a Lenovo Thinkpad X260 docking with a Lenovo 40A20090UK docking
station. I have two monitors plugged into the back of the dock via its
two separate displayport connectors. Booting the machine whilst docked
causes the machine to freeze when it is undocked. Same for booting
undocked, then docking.
May relate to
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1604313
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: luke 5384 F...m pulseaudio
/dev/snd/controlC0: luke 5384 F.... pulseaudio
CurrentDesktop: i3
Date: Thu Aug 18 13:33:18 2016
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=06d00448-ea78-46fb-8a32-6ec62b16a454
InstallationDate: Installed on 2016-06-06 (73 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64
(20160420.1)
MachineType: LENOVO 20F6CTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic.efi.signed
root=UUID=6658071a-159f-4980-b5f8-a0b728bb8dc9 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-34-generic N/A
linux-backports-modules-4.4.0-34-generic N/A
linux-firmware 1.157.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/01/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R02ET48W (1.21 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20F6CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR02ET48W(1.21):bd06/01/2016:svnLENOVO:pn20F6CTO1WW:pvrThinkPadX260:rvnLENOVO:rn20F6CTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20F6CTO1WW
dmi.product.version: ThinkPad X260
dmi.sys.vendor: LENOVO
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