apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1799994/+attachment/5205485/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1799994
Title:
Xorg loads, no display on 4.15.0-38, works on 4.15.0-36
Status in linux package in Ubuntu:
Incomplete
Bug description:
Lenovo ThinkPad W540 docked with an ultradock. 3 external displays
running on VGA, DVI and display port all connected to the dock. BIOS
mode set to run external displays ONLY with nvidia chipset. prime-
select nvidia run.
When running under 4.15.0-36-generic with nvidia
390.77-0ubuntu0.18.04.1 I boot and all three external displays run
fine.
Upgrading to 4.15.0-38 and Xorg starts up, but none of the displays light up.
---
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: timr 3768 F.... pulseaudio
/dev/snd/controlC1: timr 3768 F.... pulseaudio
/dev/snd/controlC0: timr 3768 F.... pulseaudio
CurrentDesktop: GNOME-Flashback:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2014-02-15 (1713 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
MachineType: LENOVO 20BHS02400
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux-image-generic 4.15.0.38.40
PackageArchitecture: amd64
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-36-generic
root=UUID=3fddcb3e-369a-45a1-bcf5-a73850ae7c9f ro video=1920x1080
"acpi_osi=!Windows 2012"
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
RelatedPackageVersions:
linux-restricted-modules-4.15.0-36-generic N/A
linux-backports-modules-4.15.0-36-generic N/A
linux-firmware 1.173.1
Tags: bionic
Uname: Linux 4.15.0-36-generic x86_64
UpgradeStatus: Upgraded to bionic on 2018-08-17 (68 days ago)
UserGroups: adm cdrom dialout dip disk docker lpadmin plugdev sambashare sudo
vboxusers video www-data
_MarkForUpload: True
dmi.bios.date: 03/16/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: GNET79WW (2.27 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BHS02400
dmi.board.vendor: LENOVO
dmi.board.version: 0B98401 Pro
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGNET79WW(2.27):bd03/16/2016:svnLENOVO:pn20BHS02400:pvrThinkPadW540:rvnLENOVO:rn20BHS02400:rvr0B98401Pro:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.family: ThinkPad W540
dmi.product.name: 20BHS02400
dmi.product.version: ThinkPad W540
dmi.sys.vendor: LENOVO
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