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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1381299 Title: The touchpad which was working normally stopped working after updating my ubuntu 12.04 LTS. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1381299/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs