Comment 3 for bug 1891771

Hello Daniel,

here you can find the link:

https://errors.ubuntu.com/user/a0bccc0d41c89b42afbe332929a7f00566720fe2fcfc8f4ca657778404328e77f704f6088efe855865488a2f9635243b26b54e543fe6e58c26f7de6c73d1df8c

Thanks,
Luca

On Mon, Aug 17, 2020 at 5:55 AM Daniel van Vugt <email address hidden>
wrote:

> Thank you for taking the time to report this bug and helping to make
> Ubuntu better. It sounds like some part of the system has crashed. To
> help us find the cause of the crash please follow these steps:
>
> 1. Look in /var/crash for crash files and if found run:
> ubuntu-bug YOURFILE.crash
> Then tell us the ID of the newly-created bug.
>
> 2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where
> ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
> Do you find any links to recent problems on that page? If so then please
> send the links to us.
>
> 3. If step 2 also failed then apply the workaround from bug 994921,
> reboot, reproduce the crash, and retry step 1.
>
> Please take care to avoid attaching .crash files to bugs as we are
> unable to process them as file attachments. It would also be a security
> risk for yourself.
>
>
> ** Changed in: gdm3 (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1891771
>
> Title:
> gdm3 crashes after upgrade from bionic to focal but lightdm and sddm
> work fine
>
> Status in gdm3 package in Ubuntu:
> Incomplete
>
> Bug description:
> Hi all,
>
> after upgrading from bionic to focal I switched from lightdm to gdm3
> to use Gnome Desktop.
>
> Gdm3 crashes systematically when enabled as default display-manager
> with a blank display with the following message:
>
> Oh no! Something has gone wrong.
> A problem has occurred and the system can't recover. Please contact a
> system administrator.
>
> In /etc/gdm3/custom.conf I've tried the following settings:
>
> WaylandEnable=false -> crash
> WaylandEnable=true -> crash
>
> I've enabled Debug but I cannot find any correlation with the error
> message.
>
> Gdm version 3.34.1-1ubuntu1.
>
> Switching to another display manager like lightdm or sddm solves the
> problem.
> I've a Dell Inspiron with Intel U620 graphic card.
> The problems happens with the laptop display alone but also with
> external monitor connected via HDMI.
>
> Thanks in advance for your help.
>
> Regards
> Luca
> dpkg
>
> ProblemType: Bug
> DistroRelease: Ubuntu 20.04
> Package: gdm3 3.34.1-1ubuntu1
> ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
> Uname: Linux 5.4.0-42-generic x86_64
> ApportVersion: 2.20.11-0ubuntu27.6
> Architecture: amd64
> CasperMD5CheckResult: skip
> CurrentDesktop: ubuntu:GNOME
> Date: Sat Aug 15 23:06:37 2020
> InstallationDate: Installed on 2016-12-14 (1340 days ago)
> InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
> (20160719)
> SourcePackage: gdm3
> UpgradeStatus: Upgraded to focal on 2020-08-11 (4 days ago)
> mtime.conffile..etc.gdm3.custom.conf: 2020-08-15T00:22:27.116452
>
> To manage notifications about this bug go to:
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>