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[Bug 1796374] Re: locking session turns off external monitor

 

It seems that it's not light-locker bug. Nothing special in
/var/log/lightdm, but in /var/log/Xorg.1.log found this error:

[ 23234.438] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 23234.438] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 23234.438] (II) Loader magic: 0x55cb261fa020
[ 23234.438] (II) Module ABI versions:
[ 23234.438]    X.Org ANSI C Emulation: 0.4
[ 23234.438]    X.Org Video Driver: 23.0
[ 23234.438]    X.Org XInput driver : 24.1
[ 23234.438]    X.Org Server Extension : 10.0
[ 23234.440] (++) using VT number 8

[ 23234.440] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[ 23234.442] (II) xfree86: Adding drm device (/dev/dri/card0)
[ 23234.442] (EE) /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied
[ 23234.442] (II) xfree86: Adding drm device (/dev/dri/card1)
[ 23234.450] (--) PCI:*(0:0:2:0) 8086:0116:1028:04ca rev 9, Mem @ 0xf6400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64, BIOS @ 0x????????/131072
[ 23234.450] (--) PCI: (0:1:0:0) 10de:0df5:1028:04ca rev 161, Mem @ 0xf5000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288

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https://bugs.launchpad.net/bugs/1796374

Title:
  locking session turns off external monitor

Status in light-locker package in Ubuntu:
  New
Status in lightdm-gtk-greeter package in Ubuntu:
  New

Bug description:
  When session is locked display switches from external monitor to
  laptop screen.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: light-locker 1.8.0-1ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
  Uname: Linux 4.15.0-34-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Fri Oct  5 19:58:24 2018
  InstallationDate: Installed on 2018-03-22 (196 days ago)
  InstallationMedia: Xubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228)
  SourcePackage: light-locker
  UpgradeStatus: Upgraded to bionic on 2018-09-05 (30 days ago)

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