Do you have some time to test some kernels? We can bisect down to the
commit that introduced this once we know the last good 4.4 kernel and
the first bad one.
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-da-key
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1577792
Title:
video not working after resume
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
Confirmed
Bug description:
I suspended my x250. Then plugged it in (overnight). Then unplugged
it. Then opened it. It resumed, but video did not work. I closed
the lid and opened it, a few times. No dice. Then, I pressed the
power button, and the video came back on. I was sitting next to
Leann, Chris, and Brad here at the CDO Sprint.
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: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kirkland 4510 F.... pulseaudio
/dev/snd/pcmC1D0p: kirkland 4510 F...m pulseaudio
/dev/snd/controlC1: kirkland 4510 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue May 3 08:18:10 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-05-15 (354 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20CMCTO1WW
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-21-generic
root=UUID=a4d6a56a-7b1b-4a7c-8420-f2b8e6d15c37 ro quiet splash 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
SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit
code 2:
UpgradeStatus: Upgraded to xenial on 2016-01-04 (119 days ago)
dmi.bios.date: 03/05/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: N10ET30W (1.07 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20CMCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98417 PRO
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN10ET30W(1.07):bd03/05/2015:svnLENOVO:pn20CMCTO1WW:pvrThinkpadX250:rvnLENOVO:rn20CMCTO1WW:rvr0B98417PRO:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20CMCTO1WW
dmi.product.version: Thinkpad X250
dmi.sys.vendor: LENOVO
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