Public bug reported:
Issue:
kernel 3.13.0-91: both wireless and touchpad worked as expected (report was
generated using this kernel)
after updating to kernel 3.13.0-92: neither wireless nor touchpad work. Network
does not even show to enable wifi, so no SSID-s are seen. Touchpad simply not
reacts, no mouse symbol.
Computer: Lenovo Flex 2 14"
Wireless card: Broadcom Corporation BCM43142 802.11b/g/n,
Driver: using Broadcom 802.11 Linux STA wireless driver source from
bcmwl-kernel-source (proprietary)
Touchpad:
I: Bus=0011 Vendor=0002 Product=000e Version=0000
N: Name="ETPS/2 Elantech Touchpad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input18
U: Uniq=
H: Handlers=mouse0 event4
B: PROP=5
B: EV=b
B: KEY=e420 10000 0 0 0 0
B: ABS=661800011000003
OS: Ubuntu 14.04 x64
/proc/version_signature: Ubuntu 3.13.0-91.138-generic 3.13.11-ckt39
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-91-generic 3.13.0-91.138
ProcVersionSignature: Ubuntu 3.13.0-91.138-generic 3.13.11-ckt39
Uname: Linux 3.13.0-91-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: kj 1726 F.... pulseaudio
/dev/snd/controlC0: kj 1726 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Jul 20 14:49:43 2016
HibernationDevice: RESUME=UUID=c434037e-9055-4781-9625-3f59f90ef7bd
InstallationDate: Installed on 2014-12-07 (591 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f3:0446 Elan Microelectronics Corp.
Bus 001 Device 003: ID 105b:e065 Foxconn International, Inc. BCM43142A0
Bluetooth module
Bus 001 Device 002: ID 0bda:579c Realtek Semiconductor Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20404
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-91-generic.efi.signed
root=UUID=774a220e-0926-4480-84aa-32c562f2062b ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-91-generic N/A
linux-backports-modules-3.13.0-91-generic N/A
linux-firmware 1.127.22
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/08/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: A0CN31WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Lenovo Flex 2-14
dmi.board.vendor: LENOVO
dmi.board.version: 31900058 Std
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Flex 2-14
dmi.modalias:
dmi:bvnLENOVO:bvrA0CN31WW:bd10/08/2014:svnLENOVO:pn20404:pvrLenovoFlex2-14:rvnLENOVO:rnLenovoFlex2-14:rvr31900058Std:cvnLENOVO:ct10:cvrLenovoFlex2-14:
dmi.product.name: 20404
dmi.product.version: Lenovo Flex 2-14
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1604814
Title:
Newest kernel update disables wireless and touchpad
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