Public bug reported:
When hooked up to a second monitor it will blank out occastionally.
Same issue on two external monitors. Both hooked up via MiniDisplay
port.
Every time it happens i have a the following log in my dmesg:
[47192.964713] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR*
CPU pipe B FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-generic 4.8.0.26.35
ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0
Uname: Linux 4.8.0-26-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: bbennett 2693 F.... pulseaudio
/dev/snd/controlC1: bbennett 2693 F.... pulseaudio
/dev/snd/controlC0: bbennett 2693 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Oct 27 16:03:21 2016
HibernationDevice: RESUME=UUID=872ed834-8bdc-4c58-a9ab-6c0ad9ec3ca8
InstallationDate: Installed on 2016-10-17 (10 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
MachineType: LENOVO 20FRS0XT00
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-26-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-26-generic N/A
linux-backports-modules-4.8.0-26-generic N/A
linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/30/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1FET38W (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FRS0XT00
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:bvrN1FET38W(1.12):bd03/30/2016:svnLENOVO:pn20FRS0XT00:pvrThinkPadX1Carbon4th:rvnLENOVO:rn20FRS0XT00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FRS0XT00
dmi.product.version: ThinkPad X1 Carbon 4th
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug yakkety
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https://bugs.launchpad.net/bugs/1637329
Title:
Secondary monitor blanks out randomly
Status in linux package in Ubuntu:
New
Bug description:
When hooked up to a second monitor it will blank out occastionally.
Same issue on two external monitors. Both hooked up via MiniDisplay
port.
Every time it happens i have a the following log in my dmesg:
[47192.964713] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe B FIFO underrun
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-generic 4.8.0.26.35
ProcVersionSignature: Ubuntu 4.8.0-26.28-generic 4.8.0
Uname: Linux 4.8.0-26-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: bbennett 2693 F.... pulseaudio
/dev/snd/controlC1: bbennett 2693 F.... pulseaudio
/dev/snd/controlC0: bbennett 2693 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Oct 27 16:03:21 2016
HibernationDevice: RESUME=UUID=872ed834-8bdc-4c58-a9ab-6c0ad9ec3ca8
InstallationDate: Installed on 2016-10-17 (10 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
MachineType: LENOVO 20FRS0XT00
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-26-generic.efi.signed
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.8.0-26-generic N/A
linux-backports-modules-4.8.0-26-generic N/A
linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/30/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1FET38W (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FRS0XT00
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:bvrN1FET38W(1.12):bd03/30/2016:svnLENOVO:pn20FRS0XT00:pvrThinkPadX1Carbon4th:rvnLENOVO:rn20FRS0XT00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FRS0XT00
dmi.product.version: ThinkPad X1 Carbon 4th
dmi.sys.vendor: LENOVO
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