Public bug reported:
$ lsb_release -rd
Description: Ubuntu 19.10
Release: 19.10
$ apt-cache policy gdm3
gdm3:
Installed: 3.34.1-1ubuntu1
Candidate: 3.34.1-1ubuntu1
Version table:
*** 3.34.1-1ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
100 /var/lib/dpkg/status
$ apt-cache policy lightdm
lightdm:
Installed: 1.30.0-0ubuntu1
Candidate: 1.30.0-0ubuntu1
Version table:
*** 1.30.0-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu eoan/universe amd64 Packages
100 /var/lib/dpkg/status
$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
I have a 3rd gen Intel laptop with only Ubuntu 19.10 installed, and a monitor
attached via DisplayPort. The monitor has a native resolution of 2560x1080.
When I power on my laptop, it is seemingly random whether one of the three
following situations occurs.
1. Displays at the proper native resolution of 2560x1080,
2. Displays at 1600x1200 but not let me select a higher resolution in display
settings, or
3. The display will fail to connect and stay blank (when I enter display
settings it will be on "Single Monitor" mode, but from there I can enable Join
Displays and set it to its native resolution).
Please note I selected "I don't know" instead of gdm3 or lightdm since
i've been having this issue since before installing/switching to
lightdm.
Please let me know what additional information I can provide at this
time.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1859071
Title:
Secondary monitor unpredictable behavior at boot
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