Firefox-ESR Craches on Launch after Latest Update Oct 2023

Environment: Firefox-esr, v115.3.1esr-1~deb11u1

I didn’t see a topic here but Firefox crashes on launch after latest two updates. Has anybody any issues with it?

I switched to Gnome Web Flatpak version and it is actually surprisingly stable, doesn’t crash any longer, while still slow in rendering.

What I tried:

  1. ‘sudo apt reinstall firefox-esr’
  2. ‘sudo apt purge firefox-esr’
  3. ‘sudo apt install firefox-esr’
  4. ‘sudo apt reinstall firefox-esr-m*’

to reinstall mobile configuration.

Neither worked.

Works for me. I’ve done 0 cusomization to firefos and barely use it, but it doesn’t crash when I do use it.

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could you confirm:
‘sudo apt info firefox-esr’

that you are using exactly the same version?

Package: firefox-esr
Version: 115.3.1esr-1~deb11u1

This is what I get, and FF is working fine for me.

If you launch firefox from the terminal, is there any useful output?

Nothing too useful.

[GFX1-]: glxtest: DRM render node not clearly detectable. Falling back to using the only one that was found.
[GFX1-]: vaapitest: ERROR
[GFX1-]: vaapitest: VA-API test failed: failed to initialise VAAPI connection.

[GFX1-]: Handling webrender error 3

I haven’t experienced this, but it could be a problem relating to your default Firefox profile.

You could try launching a different Firefox profile using the terminal:

firefox --profile ~/.mozilla/firefox/profile.default-esr
(change profile.default-esr to one of your non-default profiles)

Or you could move everything from the firefox folder to a safe location somewhere else and then try to launch Firefox:

mkdir -p ~/ff/ && mv ~/.mozilla/firefox/* ~/ff/ && firefox

While I haven’t experienced your issue, I have experienced a different bug that I mentioned in this comment on another post:

I really hope that the Firefox developers can fix these bugs soon.

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Thank you that did the trick, moving or deleting the current profiles. Now with the newly created profile Firefox launches again!

Only downside i have to redo all my settings again, install extensions, and make tweaks…

But that is better than having no browser at all.

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