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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1633267
Title:
Wifi, sound not detected when booting on 4.4.0-43
Status in linux package in Ubuntu:
Confirmed
Bug description:
I'm running Ubuntu Gnome 16.04 on a Thinkpad T440p. On upgrading to 4.4.0-43
and rebooting the system didn't seem to recognize my Wifi or sound hardware:
there was no Wifi icon or ability to connect to a network, and the only output
on the sound menu was "Dummy Output." Rebooting into 4.4.0-42 solved the issue.
---
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: matt 3400 F.... pulseaudio
/dev/snd/controlC1: matt 3400 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 16.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=29856bc8-3313-4425-95eb-a0afbc112423
InstallationDate: Installed on 2015-08-23 (417 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64
(20150422)
MachineType: LENOVO 20ANCTO1WW
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-42-generic.efi.signed
root=UUID=18bf0a8f-3ce6-4c05-aff3-96f8da1e9ce5 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-42.62-generic 4.4.21
RelatedPackageVersions:
linux-restricted-modules-4.4.0-42-generic N/A
linux-backports-modules-4.4.0-42-generic N/A
linux-firmware 1.157.4
Tags: xenial
Uname: Linux 4.4.0-42-generic x86_64
UpgradeStatus: Upgraded to xenial on 2016-07-24 (81 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 08/18/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: GLET84WW (2.38 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ANCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: 0B98405 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGLET84WW(2.38):bd08/18/2016:svnLENOVO:pn20ANCTO1WW:pvrThinkPadT440p:rvnLENOVO:rn20ANCTO1WW:rvr0B98405STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20ANCTO1WW
dmi.product.version: ThinkPad T440p
dmi.sys.vendor: LENOVO
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