After upgrading Ubuntu 19.10 second screen not detected

Bug #1847603 reported by Claudio Fior
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
lightdm (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

After upgrading Ubuntu 19.10 second screen not detected

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: lightdm 1.30.0-0ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-13.14+lp1845454v201909260743-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
CurrentDesktop: XFCE
Date: Thu Oct 10 14:56:33 2019
LightdmConfig:
 [Seat:*]
 #autologin-guest=false
 #autologin-user=caiofior
 #autologin-user-timeout=0
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Claudio Fior (caiofior) wrote :
Revision history for this message
Claudio Fior (caiofior) wrote :

I suppose it is a kernel bug, this is the output of xrandr

xrandr: Failed to get size of gamma for output default
Screen 0: minimum 1920 x 1080, current 1920 x 1080, maximum 1920 x 1080
default connected 1920x1080+0+0 0mm x 0mm
   1920x1080 77.00*

I do not see another screen

Revision history for this message
Claudio Fior (caiofior) wrote :

Whith the kernel linux-image-5.0.0-31-generic the second screen was detected

Revision history for this message
Gunnar Hjalmarsson (gunnarhj) wrote :

What if you upgrade to the latest kernel 5.3.0-17?

Changed in lightdm (Ubuntu):
status: New → Incomplete
Revision history for this message
Claudio Fior (caiofior) wrote :

I suppose it is related to the missing extra modules

Revision history for this message
Claudio Fior (caiofior) wrote :

Missing linux kernel extra modules

Changed in lightdm (Ubuntu):
status: Incomplete → Invalid
To post a comment you must log in.
This report contains Public information  
Everyone can see this information.

Other bug subscribers

Remote bug watches

Bug watches keep track of this bug in other bug trackers.