bzflag freezes after showing initial screen

[Jordi S]

Greetings,

in Kubunto Jammy 22.04 bzflag freezes just after going fullscreen and showing the initial screen. Control of the computer can be regained by switching to a text terminal and sending a kill -9 to the bzflag process.

This happens with the DEB packages version 2.4.22 of bzflag. Curiously enough, the snap version is the same (2.4.22) and works flawlessly.

I have encountered the bug in two different computers, both with intel i3 processors and intel graphics, exclusively.

It is not a random bug. It happens always as soon as the program starts, so it should not be difficult to confirm.

I don't know which are the logs that would help to solve the bug but if you tell me I will post them as soon as possible. My impression is that it is not really a problem with the bzflag code itself but with some graphics library that is not the same in Jammy than in the snap package.

Thank you very much for addressing this bug.

Source package: http://archive.ubuntu.com/ubuntu/pool/universe/b/bzflag/bzflag_2.4.22-1build1.dsc
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
DistroRelease: Ubuntu 22.04
EcryptfsInUse: Yes
InstallationDate: Installed on 2022-07-14 (26 days ago)
InstallationMedia: Kubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
Package: bzflag 2.4.22-1build1
PackageArchitecture: all
ProcVersionSignature: Ubuntu 5.15.0-43.46-generic 5.15.39
Tags: jammy
Uname: Linux 5.15.0-43-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True

[Aaron Rainbolt (arraybolt3)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1983751

When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

[Scott Wichser (blast007)]

SDL 2.0.20 has a regression that prevents input from being processed in older BZFlag releases (and some other games/software). We implemented a workaround in BZFlag 2.4.24. So either updating BZFlag to 2.4.24 or patching 2.4.22 with our workaround should take care of the problem.

Our workaround: https://github.com/BZFlag-Dev/bzflag/commit/d7005c4777945bded0e386750ac45d4ee166f33f
Our issue regarding the SDL regression: https://github.com/BZFlag-Dev/bzflag/issues/301
SDL issue for the regression: https://github.com/libsdl-org/SDL/issues/5350

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Jordi S (jordi-s)]

apport information

[Jordi S (jordi-s)]

apport information

[Jordi S (jordi-s)]

apport information

[Scott Wichser (blast007)]

Is there any additional information needed about this issue? The game is still completely unplayable in Ubuntu 22.04.