Public bug reported:
After upgrading this laptop from 14.04 (LTS-Wily X & Kernel stack) to 16.04, I
am no longer able to use external displays. There are artifcacts on display
that get worse with mouse movement. Upgrading to a 4.7rc3 mainline kernel from
the Ubuntu kernel PPA fixed the problem.
---
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: helen 2118 F.... pulseaudio
/dev/snd/controlC0: helen 2118 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-22 (54 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
MachineType: LENOVO 20BS0061ZA
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-25-generic.efi.signed
root=UUID=fc75b093-6f8c-4b7e-946c-71df6814ab6a ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-25.44-generic 4.4.13
RelatedPackageVersions:
linux-restricted-modules-4.4.0-25-generic N/A
linux-backports-modules-4.4.0-25-generic N/A
linux-firmware 1.157
Tags: xenial
Uname: Linux 4.4.0-25-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-06-14 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 08/13/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N14ET32W (1.10 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BS0061ZA
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN14ET32W(1.10):bd08/13/2015:svnLENOVO:pn20BS0061ZA:pvrThinkPadX1Carbon3rd:rvnLENOVO:rn20BS0061ZA:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20BS0061ZA
dmi.product.version: ThinkPad X1 Carbon 3rd
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-collected xenial
** Tags added: apport-collected xenial
** Description changed:
- After upgrading this laptop from 14.04 (LTS-Wily X & Kernel stack) to
- 16.04, I am no longer able to use external displays. There are
- artifcacts on display that get worse with mouse movement. Upgrading to
- a 4.7rc3 mainline kernel from the Ubuntu kernel PPA fixed the problem.
+ After upgrading this laptop from 14.04 (LTS-Wily X & Kernel stack) to 16.04,
I am no longer able to use external displays. There are artifcacts on display
that get worse with mouse movement. Upgrading to a 4.7rc3 mainline kernel from
the Ubuntu kernel PPA fixed the problem.
+ ---
+ ApportVersion: 2.20.1-0ubuntu2.1
+ Architecture: amd64
+ AudioDevicesInUse:
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC1: helen 2118 F.... pulseaudio
+ /dev/snd/controlC0: helen 2118 F.... pulseaudio
+ CurrentDesktop: Unity
+ DistroRelease: Ubuntu 16.04
+ EcryptfsInUse: Yes
+ InstallationDate: Installed on 2016-04-22 (54 days ago)
+ InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64
(20160217.1)
+ MachineType: LENOVO 20BS0061ZA
+ Package: linux (not installed)
+ ProcFB: 0 inteldrmfb
+ ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-25-generic.efi.signed
root=UUID=fc75b093-6f8c-4b7e-946c-71df6814ab6a ro quiet splash vt.handoff=7
+ ProcVersionSignature: Ubuntu 4.4.0-25.44-generic 4.4.13
+ RelatedPackageVersions:
+ linux-restricted-modules-4.4.0-25-generic N/A
+ linux-backports-modules-4.4.0-25-generic N/A
+ linux-firmware 1.157
+ Tags: xenial
+ Uname: Linux 4.4.0-25-generic x86_64
+ UpgradeStatus: Upgraded to xenial on 2016-06-14 (1 days ago)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
+ _MarkForUpload: True
+ dmi.bios.date: 08/13/2015
+ dmi.bios.vendor: LENOVO
+ dmi.bios.version: N14ET32W (1.10 )
+ dmi.board.asset.tag: Not Available
+ dmi.board.name: 20BS0061ZA
+ dmi.board.vendor: LENOVO
+ dmi.board.version: SDK0E50510 WIN
+ dmi.chassis.asset.tag: No Asset Information
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: LENOVO
+ dmi.chassis.version: None
+ dmi.modalias:
dmi:bvnLENOVO:bvrN14ET32W(1.10):bd08/13/2015:svnLENOVO:pn20BS0061ZA:pvrThinkPadX1Carbon3rd:rvnLENOVO:rn20BS0061ZA:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
+ dmi.product.name: 20BS0061ZA
+ dmi.product.version: ThinkPad X1 Carbon 3rd
+ dmi.sys.vendor: LENOVO
--
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/1592923
Title:
Display artificats when using external display with Ubuntu 16.04 on
Lenovo X1 Carbon (Broadwell)
Status in linux package in Ubuntu:
Confirmed
Bug description:
After upgrading this laptop from 14.04 (LTS-Wily X & Kernel stack) to 16.04,
I am no longer able to use external displays. There are artifcacts on display
that get worse with mouse movement. Upgrading to a 4.7rc3 mainline kernel from
the Ubuntu kernel PPA fixed the problem.
---
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: helen 2118 F.... pulseaudio
/dev/snd/controlC0: helen 2118 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-04-22 (54 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64
(20160217.1)
MachineType: LENOVO 20BS0061ZA
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-25-generic.efi.signed
root=UUID=fc75b093-6f8c-4b7e-946c-71df6814ab6a ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-25.44-generic 4.4.13
RelatedPackageVersions:
linux-restricted-modules-4.4.0-25-generic N/A
linux-backports-modules-4.4.0-25-generic N/A
linux-firmware 1.157
Tags: xenial
Uname: Linux 4.4.0-25-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-06-14 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 08/13/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N14ET32W (1.10 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BS0061ZA
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN14ET32W(1.10):bd08/13/2015:svnLENOVO:pn20BS0061ZA:pvrThinkPadX1Carbon3rd:rvnLENOVO:rn20BS0061ZA:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20BS0061ZA
dmi.product.version: ThinkPad X1 Carbon 3rd
dmi.sys.vendor: LENOVO
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