Sometime in the last month or so my touchscreen stopped working on my Toshiba P50W. The dmesg log shows it constantly reconnecting to it:
[ 556.407964] usb 1-4: new full-speed USB device number 119 using xhci_hcd
[ 556.538341] usb 1-4: New USB device found, idVendor=04f3, idProduct=0381
[ 556.538347] usb 1-4: New USB device strings: Mfr=4, Product=14, SerialNumber=0
[ 556.538349] usb 1-4: Product: Touchscreen
[ 556.538351] usb 1-4: Manufacturer: ELAN
[ 556.538505] usb 1-4: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 556.547788] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:04F3:0381.04A1/input/input2374
[ 556.600478] hid-multitouch 0003:04F3:0381.04A1: input,hiddev0,hidraw4: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000:00:14.0-4/input0
[ 556.600584] usb 1-4: USB disconnect, device number 119
[ 556.860456] usb 1-4: new full-speed USB device number 120 using xhci_hcd
[ 556.990494] usb 1-4: New USB device found, idVendor=04f3, idProduct=0381
[ 556.990500] usb 1-4: New USB device strings: Mfr=4, Product=14, SerialNumber=0
[ 556.990503] usb 1-4: Product: Touchscreen
[ 556.990506] usb 1-4: Manufacturer: ELAN
[ 556.990755] usb 1-4: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 557.001248] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:04F3:0381.04A2/input/input2376
[ 557.002517] hid-multitouch 0003:04F3:0381.04A2: input,hiddev0,hidraw4: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000:00:14.0-4/input0
[ 557.013831] usb 1-4: USB disconnect, device number 120
Sometime in the last month or so my touchscreen stopped working on my Toshiba P50W. The dmesg log shows it constantly reconnecting to it:
[ 556.407964] usb 1-4: new full-speed USB device number 119 using xhci_hcd pci0000: 00/0000: 00:14.0/ usb1/1- 4/1-4:1. 0/0003: 04F3:0381. 04A1/input/ input2374 0381.04A1: input,hiddev0, hidraw4: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000: 00:14.0- 4/input0
[ 556.538341] usb 1-4: New USB device found, idVendor=04f3, idProduct=0381
[ 556.538347] usb 1-4: New USB device strings: Mfr=4, Product=14, SerialNumber=0
[ 556.538349] usb 1-4: Product: Touchscreen
[ 556.538351] usb 1-4: Manufacturer: ELAN
[ 556.538505] usb 1-4: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 556.547788] input: ELAN Touchscreen as /devices/
[ 556.600478] hid-multitouch 0003:04F3:
[ 556.600584] usb 1-4: USB disconnect, device number 119
[ 556.860456] usb 1-4: new full-speed USB device number 120 using xhci_hcd
[ 556.990494] usb 1-4: New USB device found, idVendor=04f3, idProduct=0381 pci0000: 00/0000: 00:14.0/ usb1/1- 4/1-4:1. 0/0003: 04F3:0381. 04A2/input/ input2376 0381.04A2: input,hiddev0, hidraw4: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000: 00:14.0- 4/input0
[ 556.990500] usb 1-4: New USB device strings: Mfr=4, Product=14, SerialNumber=0
[ 556.990503] usb 1-4: Product: Touchscreen
[ 556.990506] usb 1-4: Manufacturer: ELAN
[ 556.990755] usb 1-4: ep 0x2 - rounding interval to 64 microframes, ep desc says 80 microframes
[ 557.001248] input: ELAN Touchscreen as /devices/
[ 557.002517] hid-multitouch 0003:04F3:
[ 557.013831] usb 1-4: USB disconnect, device number 120
ProblemType: Bug 4.2.0-11- generic 4.2.0-11.13 ature: Ubuntu 4.2.0-11.13-generic 4.2.1 controlC1: bob 2041 F.... pulseaudio controlC0: bob 2041 F.... pulseaudio UUID=5033984a- 21af-482d- a1fd-c075e818cd 12 /boot/vmlinuz- 4.2.0-11- generic root=UUID= 885f0f10- b818-4eb4- 8ff4-d067e16bef 2f ro quiet splash nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw vt.handoff=7 ersions: restricted- modules- 4.2.0-11- generic N/A backports- modules- 4.2.0-11- generic N/A asset.tag: Type2 - Board Asset Tag asset.tag: No Asset Tag version: OEM Chassis Version rp.:bvr1. 40:bd08/ 08/2014: svnTOSHIBA: pnSatelliteP50W -B:pvrPSVP2A- 00F002: rvnType2- BoardVendorName 1:rnType2- BoardProductNam e1:rvrType2- BoardVersion: cvnOEMChassisMa nuFacturer: ct10:cvrOEMChas sisVersion: version: PSVP2A-00F002
DistroRelease: Ubuntu 15.10
Package: linux-image-
ProcVersionSign
Uname: Linux 4.2.0-11-generic x86_64
ApportVersion: 2.18.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CurrentDesktop: Unity
Date: Wed Sep 23 09:46:25 2015
HibernationDevice: RESUME=
InstallationDate: Installed on 2013-12-26 (635 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: TOSHIBA Satellite P50W-B
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.148
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2013-12-26 (635 days ago)
dmi.bios.date: 08/08/2014
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: 1.40
dmi.board.
dmi.board.name: Type2 - Board Product Name1
dmi.board.vendor: Type2 - Board Vendor Name1
dmi.board.version: Type2 - Board Version
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis ManuFacturer
dmi.chassis.
dmi.modalias: dmi:bvnINSYDECo
dmi.product.name: Satellite P50W-B
dmi.product.
dmi.sys.vendor: TOSHIBA