Public bug reported:
My laptop is Lenovo Ideapad y470. I have attached output of dmesg
command. Below are the contents of /proc/bus/input/devices
I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S:
Sysfs=/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:02/PNP0C0C:00/input/input0
U: Uniq=
H: Handlers=kbd event0
B: PROP=0
B: EV=3
B: KEY=10000000000000 0
I: Bus=0019 Vendor=0000 Product=0003 Version=0000
N: Name="Sleep Button"
P: Phys=PNP0C0E/button/input0
S:
Sysfs=/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:02/PNP0C0E:00/input/input1
U: Uniq=
H: Handlers=kbd event1
B: PROP=0
B: EV=3
B: KEY=4000 0 0
I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/device:00/PNP0C0D:00/input/input2
U: Uniq=
H: Handlers=event2
B: PROP=0
B: EV=21
B: SW=1
I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=LNXPWRBN/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input3
U: Uniq=
H: Handlers=kbd event3
B: PROP=0
B: EV=3
B: KEY=10000000000000 0
I: Bus=0011 Vendor=0001 Product=0001 Version=ab41
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input4
U: Uniq=
H: Handlers=sysrq kbd event4
B: PROP=0
B: EV=120013
B: KEY=a0000702100000 83803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7
I: Bus=0003 Vendor=046d Product=c52b Version=0111
N: Name="Logitech Unifying Device. Wireless PID:400a"
P: Phys=usb-0000:00:1d.0-1.2:1
S:
Sysfs=/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.2/2-1.2:1.2/0003:046D:C52B.0003/input/input6
U: Uniq=
H: Handlers=mouse0 event5
B: PROP=0
B: EV=17
B: KEY=ffff0000 0 0 0 0
B: REL=143
B: MSC=10
I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Ideapad extra buttons"
P: Phys=ideapad/input0
S: Sysfs=/devices/platform/VPC2004:00/input/input7
U: Uniq=
H: Handlers=rfkill kbd event6
B: PROP=0
B: EV=13
B: KEY=1400800100c03 400000000300000 0 0
B: MSC=10
I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input11
U: Uniq=
H: Handlers=event7
B: PROP=0
B: EV=21
B: SW=140
I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input10
U: Uniq=
H: Handlers=event8
B: PROP=0
B: EV=21
B: SW=4
I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1b.0/sound/card0/input9
U: Uniq=
H: Handlers=event9
B: PROP=0
B: EV=21
B: SW=10
I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S:
Sysfs=/devices/LNXSYSTM:00/device:00/PNP0A08:00/device:2f/LNXVIDEO:00/input/input12
U: Uniq=
H: Handlers=kbd event10
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0
I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:01/input/input13
U: Uniq=
H: Handlers=kbd event11
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0
I: Bus=0003 Vendor=0bda Product=58e6 Version=2606
N: Name="Lenovo EasyCamera"
P: Phys=usb-0000:00:1d.0-1.6/button
S: Sysfs=/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/input/input14
U: Uniq=
H: Handlers=kbd event12
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64~precise1
ProcVersionSignature: Ubuntu 3.13.0-37.64~precise1-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.13.0-37-generic.
ApportVersion: 2.0.1-0ubuntu17.7
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC272 Analog [ALC272 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: siddharth 2041 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf1c00000 irq 52'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:10ec0272,17aac016,00100001
HDA:80862805,80860101,00100000'
Controls : 35
Simple ctrls : 12
Date: Tue Oct 14 22:26:11 2014
HibernationDevice: RESUME=UUID=20933cdf-4358-4509-8528-7e1a27013e8f
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64
(20130213)
MachineType: LENOVO 0855
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB:
0 inteldrmfb
1 nouveaufb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic
root=UUID=a0529463-182e-4ab1-8f34-0b218aaec744 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-37-generic N/A
linux-backports-modules-3.13.0-37-generic N/A
linux-firmware 1.79.18
SourcePackage: linux-lts-trusty
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog: Oct 14 22:22:33 siddharth-Laptop kernel: [ 3734.433268] type=1400
audit(1413339753.744:83): apparmor="DENIED" operation="capable"
profile="/usr/sbin/cupsd" pid=4271 comm="cupsd" capability=36
capname="block_suspend"
dmi.bios.date: 06/14/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 47CN28WW(V2.06)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: LENOVO
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnLENOVO:bvr47CN28WW(V2.06):bd06/14/2011:svnLENOVO:pn0855:pvrLenovoIdeaPadY470:rvnLENOVO:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: 0855
dmi.product.version: Lenovo IdeaPad Y470
dmi.sys.vendor: LENOVO
** Affects: linux-lts-trusty (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise qa-kernel-lts-testing
** Attachment added: "output of dmesg"
https://bugs.launchpad.net/bugs/1381299/+attachment/4236492/+files/dmesg
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https://bugs.launchpad.net/bugs/1381299
Title:
The touchpad which was working normally stopped working after updating
my ubuntu 12.04 LTS.
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