[Bug 2011606] [NEW] Black screen at 1st firefox start

[corrado venturini]

Public bug reported:

Firefox snap 110.0.1 on Ubuntu 23.04
First start of firefox gives a black screen. Quit and restart FF starts fine.
See these messages in journal:
Mar 14 16:08:03 corrado-n5-ll-0224 systemd-udevd[445]: video4linux: Process '/usr/lib/snapd/snap-device-helper add snap_firefox_firefox /class/video4linux 0:0' failed with exit code 1.
Mar 14 16:08:03 corrado-n5-ll-0224 systemd-udevd[445]: video4linux: Process '/usr/lib/snapd/snap-device-helper add snap_firefox_geckodriver /class/video4linux 0:0' failed with exit code 1.

attaching journal

** Affects: firefox (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "boo.txt"
   https://bugs.launchpad.net/bugs/2011606/+attachment/5654456/+files/boo.txt

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Title:
  Black screen at 1st firefox start

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