Yes, I can confirm that with the 4.15.0-9 kernel with which the
touchscreen works, if I disconnect the keyboard dock I need to power
cycle (not just reboot) the machine to get it back.
Dmesg for disconnecting and reconnecting the dock for the 4.15.0-9 and
the old 4.12.0-13 (with which the touchscreen also worked, and does not
lose the keyboard dock) attached.
** Attachment added: "dmesg_4.15.0-9-generic.log"
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
touchscreen that worked in artful with 4.12 no longer works with 4.13
Status in linux package in Ubuntu:
Status in linux source package in Artful:
Status in linux source package in Bionic:
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.
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
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
root=UUID=73f0adac-318e-4295-9980-15fb36257cd5 ro quiet splash vt.handoff=7
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.vendor: Dell Inc.
dmi.board.vendor: Dell Inc.
dmi.chassis.vendor: Dell Inc.
dmi.product.name: Venue 11 Pro 7139
dmi.sys.vendor: Dell Inc.
To manage notifications about this bug go to:
Mailing list: https://launchpad.net/~kernel-packages
Post to : firstname.lastname@example.org
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp