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[GH-ISSUE #3407] Firefox save file dialog not showing #2141

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opened 2026-05-05 08:49:05 -06:00 by gitea-mirror · 4 comments

gitea-mirror commented

2026-05-05 08:49:05 -06:00

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Originally created by @rr4444 on GitHub (May 7, 2020).
Original GitHub issue: https://github.com/netblue30/firejail/issues/3407

Hi, all used to be well, but at some point file dialogs for saving downlaods, etc. no longer come and nothing can be saved on update. Presumably something changed. I am running KDE Neon, which is basically KDE team curated Plasma on Ubuntu 18.04

STOUT on firefox shows:
(firefox:9): Gtk-WARNING **: 16:39:45.695: Can't open portal file chooser: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Portal operation not allowed: Unable to open /proc/11862/root

out of curiosity, it might be relevant that stout also shows:

(firefox:9): Gtk-CRITICAL **: 16:41:04.624: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed

syslog shows:


> 07/05/2020 16:25 ThinkPad-L480 dbus-daemon[1121] [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.8975' (uid=1000 pid=11862 comm="/usr/lib/firefox/firefox " label="unconfined")
> 07/05/2020 16:25 ThinkPad-L480 systemd[1] Starting Hostname Service...
> 07/05/2020 16:25 ThinkPad-L480 kernel [27040.845661] talpa-vfshook: Patching hugetlbfs
> 07/05/2020 16:25 ThinkPad-L480 kernel [27040.845680] talpa-vfshook: Patched hugetlbfs
> 07/05/2020 16:25 ThinkPad-L480 dbus-daemon[1121] [system] Successfully activated service 'org.freedesktop.hostname1'
> 07/05/2020 16:25 ThinkPad-L480 systemd[1] Started Hostname Service.
> seems to be the associated logs when no file dialog comes up

Originally created by @rr4444 on GitHub (May 7, 2020). Original GitHub issue: https://github.com/netblue30/firejail/issues/3407 Hi, all used to be well, but at some point file dialogs for saving downlaods, etc. no longer come and nothing can be saved on update. Presumably something changed. I am running KDE Neon, which is basically KDE team curated Plasma on Ubuntu 18.04 STOUT on firefox shows: ` (firefox:9): Gtk-WARNING **: 16:39:45.695: Can't open portal file chooser: GDBus.Error:org.freedesktop.DBus.Error.AccessDenied: Portal operation not allowed: Unable to open /proc/11862/root` out of curiosity, it might be relevant that stout also shows: `(firefox:9): Gtk-CRITICAL **: 16:41:04.624: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed ` syslog shows: ``` > 07/05/2020 16:25 ThinkPad-L480 dbus-daemon[1121] [system] Activating via systemd: service name='org.freedesktop.hostname1' unit='dbus-org.freedesktop.hostname1.service' requested by ':1.8975' (uid=1000 pid=11862 comm="/usr/lib/firefox/firefox " label="unconfined") > 07/05/2020 16:25 ThinkPad-L480 systemd[1] Starting Hostname Service... > 07/05/2020 16:25 ThinkPad-L480 kernel [27040.845661] talpa-vfshook: Patching hugetlbfs > 07/05/2020 16:25 ThinkPad-L480 kernel [27040.845680] talpa-vfshook: Patched hugetlbfs > 07/05/2020 16:25 ThinkPad-L480 dbus-daemon[1121] [system] Successfully activated service 'org.freedesktop.hostname1' > 07/05/2020 16:25 ThinkPad-L480 systemd[1] Started Hostname Service. > seems to be the associated logs when no file dialog comes up ```

gitea-mirror closed this issue

2026-05-05 08:49:06 -06:00

gitea-mirror commented

2026-05-05 08:49:08 -06:00

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@rusty-snake commented on GitHub (May 7, 2020):

To allow freedesktop portal access, you need to allow dbus (ignore nodbus) and IIRC noroot (ignore noroot). Alternative you could try to rmenv GTK_USE_PORTAL.

@rusty-snake commented on GitHub (May 7, 2020): To allow freedesktop portal access, you need to allow dbus (`ignore nodbus`) and IIRC noroot (`ignore noroot`). Alternative you could try to `rmenv GTK_USE_PORTAL`.

gitea-mirror commented

2026-05-05 08:49:08 -06:00

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@rr4444 commented on GitHub (May 7, 2020):

Thanks, much appreciated. Sorry, I am fairly new to firejail. I can dig, but to direction my digging, are you talking about the config for the firejail 'container' that firefox is run in?

Is it surprising that this is suddenly an issue and wasn't? (stupid question, unless it isn't!)

@rr4444 commented on GitHub (May 7, 2020): Thanks, much appreciated. Sorry, I am fairly new to firejail. I can dig, but to direction my digging, are you talking about the config for the firejail 'container' that firefox is run in? Is it surprising that this is suddenly an issue and wasn't? (stupid question, unless it isn't!)

gitea-mirror commented

2026-05-05 08:49:10 -06:00

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@rusty-snake commented on GitHub (May 7, 2020):

Sorry, I am fairly new to firejail.

don't worry

I can dig, but to direction my digging, are you talking about the config for the firejail 'container' that firefox is run in?

Yes, the easiest way is to create a file called firefox.local in ~/.config/firejail and add there

ignore nodbus
ignore noroot

This will no longer work with firejail>=0.9.63, due to changes in the dbus handling of firejail

Is it surprising that this is suddenly an issue and wasn't? (stupid question, unless it isn't!)

Likely that an update set GTK_USE_PORTAL=1 as default.

@rusty-snake commented on GitHub (May 7, 2020): > Sorry, I am fairly new to firejail. don't worry > I can dig, but to direction my digging, are you talking about the config for the firejail 'container' that firefox is run in? Yes, the easiest way is to create a file called `firefox.local` in `~/.config/firejail` and add there ``` ignore nodbus ignore noroot ``` _This will no longer work with firejail>=0.9.63, due to changes in the dbus handling of firejail_ > Is it surprising that this is suddenly an issue and wasn't? (stupid question, unless it isn't!) Likely that an update set `GTK_USE_PORTAL=1` as default.

gitea-mirror commented

2026-05-05 08:49:10 -06:00

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@rr4444 commented on GitHub (May 9, 2020):

Many thanks - much appreciated

@rr4444 commented on GitHub (May 9, 2020): Many thanks - much appreciated

gitea-mirror referenced this issue

2026-05-05 10:15:17 -06:00

[PR #2141] [MERGED] Update appimage size calculation to newest code from libappimage. #4183

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Reference: github-starred/firejail#2141

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