On Feb 13, 2018 14:15, "redx" <1745...@bugs.launchpad.net> wrote:

> I have tested the patch and the touch is detected correctly, but if I
> detach and then reattach the dock keyboard, the keyboard stops working
> until i reboot the tablet.
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1722677).
> https://bugs.launchpad.net/bugs/1745342
>
> Title:
>   touchscreen that worked in artful with 4.12 no longer works with 4.13
>
> Status in linux package in Ubuntu:
>   In Progress
> Status in linux source package in Artful:
>   In Progress
> Status in linux source package in Bionic:
>   In Progress
>
> Bug description:
>   I have a Dell Venue 11 Pro 7139, and when I installed artful on it
>   (before release) it worked fine. Recently (over the xmas break I think
>   but I'm not sure; this is not a machine I intended to pay too much
>   attention to) the kernel moved from 4.12 to 4.13, and the touchscreen
>   has stopped working.
>
>   I _think_ the last kernel to work was 4.12.0-13. I haven't done any
>   sort of bisection though.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 17.10
>   Package: linux-image-4.13.0-31-generic 4.13.0-31.34
>   ProcVersionSignature: Ubuntu 4.13.0-31.34-generic 4.13.13
>   Uname: Linux 4.13.0-31-generic x86_64
>   ApportVersion: 2.20.7-0ubuntu3.7
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  john       1041 F.... pulseaudio
>    /dev/snd/pcmC1D0p:   john       1041 F...m pulseaudio
>    /dev/snd/controlC1:  john       1041 F.... pulseaudio
>   Date: Thu Jan 25 10:18:51 2018
>   InstallationDate: Installed on 2017-07-10 (198 days ago)
>   InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64
> (20170709)
>   MachineType: Dell Inc. Venue 11 Pro 7139
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-31-generic.efi.signed
> root=UUID=73f0adac-318e-4295-9980-15fb36257cd5 ro quiet splash
> vt.handoff=7
>   RelatedPackageVersions:
>    linux-restricted-modules-4.13.0-31-generic N/A
>    linux-backports-modules-4.13.0-31-generic  N/A
>    linux-firmware                             1.169.2
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 06/15/2015
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: A16
>   dmi.board.name: 0Y4RMT
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 8
>   dmi.chassis.vendor: Dell Inc.
>   dmi.modalias: dmi:bvnDellInc.:bvrA16:bd06/15/2015:svnDellInc.:
> pnVenue11Pro7139:pvr01:rvnDellInc.:rn0Y4RMT:rvrA00:cvnDellInc.:ct8:cvr:
>   dmi.product.name: Venue 11 Pro 7139
>   dmi.product.version: 01
>   dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
> 1745342/+subscriptions
>

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https://bugs.launchpad.net/bugs/1745342

Title:
  touchscreen that worked in artful with 4.12 no longer works with 4.13

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