Flatseal not launching on Ubuntu
Hello, I have been using Flatseal for a long time to manage flatpak permissions but at some point, it stopped working and I have not been able to get it working again.
For some context, it wouldn't work at first but that was because of some x11 socket issue which I fixed by running it from cli with x11 socket and then enabling x11 sockets and disabling wayland one.
Then after Ubuntu became wayland only (as I upgraded to an interim release), it stopped working for me altogether (if I remember correctly).
However, I tried out KDE Plasma on the same Ubuntu installation a while after that and it started working again. And then it stopped working again.
I have since stopped using KDE Plasma and returned to Gnome and upgraded to 26.04. It is still not working.
I have shared some details of my installation and some logs below. Thanks.
OS Details:
```
Distributor ID: Ubuntu
Description: Ubuntu 26.04 LTS
Release: 26.04
Codename: resolute
```
Output of `flatpak info com.github.tchx84.Flatseal` (was asked for in a separate issue posted by another user):
```
Flatseal - Manage Flatpak permissions
ID: com.github.tchx84.Flatseal
Ref: app/com.github.tchx84.Flatseal/x86_64/stable
Arch: x86_64
Branch: stable
Version: 2.4.0
License: GPL-3.0-or-later
Origin: flathub
Collection: org.flathub.Stable
Installation: system
Installed: 1.4 MB
Runtime: org.gnome.Platform/x86_64/49
Sdk: org.gnome.Sdk/x86_64/49
Commit: 14ba14f237835365b3b5f2c8f6eee2dcaf7f248d92f3eaf51e00ab28cfe523b1
Parent: 79456afc5a115a457bd99c85e428d47637ec978293aafb328ccc450c13bfeb80
Subject: Update to v2.4.0 (9b380161a895)
Date: 2025-09-29 10:15:10 +0000
```
Latest error log from journalctl:
```
Apr 23 07:08:21 hostname systemd[5380]: Started app-flatpak-com.github.tchx84.Flatseal-3150079135.scope.
Apr 23 07:08:22 hostname audit[791240]: ANOM_ABEND auid=1000 uid=1000 gid=1000 ses=5 subj=bwrap//&unpriv_bwrap pid=791240 comm="com.github.tchx" exe="/usr/bin/gjs-console" sig=4 res=1
Apr 23 07:08:22 hostname kernel: traps: com.github.tchx[791240] trap invalid opcode ip:78aab35f96e6 sp:7ffe3c78aa70 error:0 in libatomic.so.1.2.0[56e6,78aab35f7000+4000]
Apr 23 07:08:22 hostname kernel: audit: type=1701 audit(1776928102.274:1393): auid=1000 uid=1000 gid=1000 ses=5 subj=bwrap//&unpriv_bwrap pid=791240 comm="com.github.tchx" exe="/usr/bin/gjs-console" sig=4 res=1
Apr 23 07:08:22 hostname systemd[5380]: app-flatpak-com.github.tchx84.Flatseal-3150079135.scope: Consumed 311ms CPU time over 903ms wall clock time, 72M memory peak.
Apr 23 08:05:46 hostname systemd-xdg-autostart-generator[5133]: Configuration file /home/username/.config/autostart/com.github.tchx84.Flatseal.desktop is marked executable. Please remove executable permission bits. Proceeding anyway.
Apr 23 08:05:52 hostname dbus-daemon[5150]: [session uid=1000 pid=5150 pidfd=5] Activating service name='com.github.tchx84.Flatseal' requested by ':1.21' (uid=1000 pid=5531 comm="/usr/libexec/gnome-session-service --session=ubunt" label="unconfined")
Apr 23 08:05:53 hostname systemd[5126]: Started app-flatpak-com.github.tchx84.Flatseal-3199687795.scope.
Apr 23 08:05:58 hostname dbus-daemon[5150]: [session uid=1000 pid=5150 pidfd=5] Activated service 'com.github.tchx84.Flatseal' failed: Process com.github.tchx84.Flatseal exited with status 132
Apr 23 08:05:58 hostname systemd[5126]: app-flatpak-com.github.tchx84.Flatseal-3199687795.scope: Consumed 367ms CPU time over 4.997s wall clock time, 105.7M memory peak.
```
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