Public bug reported:
sorry for the meta-bug here, but just upgraded from
linux-image-3.18.0-8-generic: /boot/vmlinuz-3.18.0-8-generic
to
linux-image-3.18.0-9-generic: /boot/vmlinuz-3.18.0-9-generic
and now:
a.) I don't seem to have an audio device ('settings -> sound' shows only
'Dummy Output')
b.) my LCD screen is in 1280x800 resolution rather than the 1364x768 that i'd
expect.
c.) external monitor is not detected.
xrandr shows:
$ xrandr
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1280 x 800, current 1280 x 800, maximum 1280 x 800
default connected primary 1280x800+0+0 0mm x 0mm
1280x800 76.0*
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.18.0-9-generic 3.18.0-9.10
ProcVersionSignature: Ubuntu 3.18.0-9.10-generic 3.18.2
Uname: Linux 3.18.0-9-generic x86_64
ApportVersion: 2.15.1-0ubuntu2
Architecture: amd64
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
CurrentDesktop: Unity
Date: Wed Jan 14 13:43:02 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-01-02 (12 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150101)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
lxcbr0 no wireless extensions.
MachineType: LENOVO 7417CTO
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.18.0-9-generic
root=UUID=715c6da7-c111-4842-868b-7778623ead7c ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.18.0-9-generic N/A
linux-backports-modules-3.18.0-9-generic N/A
linux-firmware 1.140
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/17/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 7UET94WW (3.24 )
dmi.board.name: 7417CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn7417CTO:pvrThinkPadT400:rvnLENOVO:rn7417CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 7417CTO
dmi.product.version: ThinkPad T400
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1410921
Title:
no sound devices, bad video resolution on laptop screen, no external
monitors detected
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