[Bug 1967170] [NEW] webgl broken, no gpu detected on raspberry pi 4

[a8ksh4]

Public bug reported:

Using a brand new clean install, when starting firefox, it reports no
gpus detected and is unable to use webgl.  This affects the snap firefox
and the apt installed firefox (that I used to open this report).  This
was working on my system with a prev. installation of the os a few weeks
ago, but stopped working at some point.  I did the fresh os install to
make sure it's not something I did.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: firefox 98.0.2+build1-0ubuntu0.21.10.1
ProcVersionSignature: Ubuntu 5.13.0-1022.24-raspi 5.13.19
Uname: Linux 5.13.0-1022-raspi aarch64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.11-0ubuntu71
Architecture: arm64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  drnorris    952 F.... pulseaudio
 /dev/snd/controlC0:  drnorris    952 F.... pulseaudio
BuildID: 20220322144853
CasperMD5CheckResult: unknown
Channel: Unavailable
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 30 10:36:48 2022
DefaultProfileExtensions: extensions.sqlite corrupt or missing
DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
DefaultProfileLocales: extensions.sqlite corrupt or missing
DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:364
DefaultProfileThemes: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
ImageMediaBuild: 20211013
IpRoute:
 default via 192.168.4.251 dev wlan0 proto dhcp metric 600 
 169.254.0.0/16 dev wlan0 scope link metric 1000 
 192.168.4.0/24 dev wlan0 proto kernel scope link src 192.168.4.139 metric 600
PciNetwork:
 
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profile0Extensions: extensions.sqlite corrupt or missing
Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
Profile0Locales: extensions.sqlite corrupt or missing
Profile0PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:364
Profile0PrefSources: prefs.js
Profile0Themes: extensions.sqlite corrupt or missing
Profiles:
 Profile1 (Default) - LastVersion=None/None (Out of date)
 Profile0 - LastVersion=98.0.2/20220322144853 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: apport-bug arm64 arm64-image impish raspi-image wayland-session

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https://bugs.launchpad.net/bugs/1967170

Title:
  webgl broken, no gpu detected on raspberry pi 4

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