Bug#998679: firefox-esr freezes shortly after start

[Oliver C.]

Firefox-ESR 91.3 doesn't use OpenGL GLX anymore. Instead it uses EGL by
default.

EGL requires at least mesa version 21.x.
Debian stable (bullseye) ships with mesa version 20.3.5

For the nvidia users the following bug report might be important:
https://bugzilla.mozilla.org/show_bug.cgi?id=1737428

It's possible to switch back to GLX.
To do this you need to open about:config in FF and then change the entry
gfx.x11-egl.force-disabled from false to true

Suggestion:
Try to change gfx.x11-egl.force-disabled to true maybe it solves this bug.
If it does, the easiest solution might be to change the code in a away
to make FF use GLX by default again for all upcoming ESR versions.
The more tortuous solution would be to upgrade mesa to 21.x in Debian
stable and newer nvidia drivers in non-free.

Best Regards,
Oliver C.

[Daniel Blaschke]

Package: firefox-esr
Followup-For: Bug #998679
X-Debbugs-Cc: blas...@hep.itp.tuwien.ac.at

Dear Maintainer,

for the past two days I've been testing firefox-esr 91.3.0 downloaded directly
from mozilla.org on debian 11 (bullseye) without any problems: no crashes
whatsoever.
gfx.x11-egl.force-disabled is set to its default "false" and mesa version on my
system is 20.3.5.

I'm running on an intel broadwell gpu (HD Graphics 5500) using the older
xserver-xorg-video-intel driver and gnome-shell on xorg (not wayland).
In fact, wayland crashes randomly after standby on my system (unrelated to
firefox).

Perhaps, the firefox crashes experienced by others is a bug in either newer
mesa 21.2 or the wayland display server of debian testing and firefox is merely
triggering that bug?
Do people affected by this bug experience it on both xorg and wayland or just
wayland?

On Debian stable we're now 3 weeks overdue for a security update of firefox,
which too me seems rather important to address; I cannot reproduce the bug
reported here on bullseye.

Cheers,
Daniel


-- Package-specific info:


-- Addons package information

-- System Information:
Debian Release: 11.1
APT prefers stable-security
APT policy: (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-9-amd64 (SMP w/4 CPU threads)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages firefox-esr depends on:
ii debianutils 4.11.2
ii fontconfig 2.13.1-4.2
ii libatk1.0-0 2.36.0-2
ii libc6 2.31-13+deb11u2
ii libcairo-gobject2 1.16.0-5
ii libcairo2 1.16.0-5
ii libdbus-1-3 1.12.20-2
ii libdbus-glib-1-2 0.110-6
ii libevent-2.1-7 2.1.12-stable-1
ii libffi7 3.3-6
ii libfontconfig1 2.13.1-4.2
ii libfreetype6 2.10.4+dfsg-1
ii libgcc-s1 10.2.1-6
ii libgdk-pixbuf-2.0-0 2.42.2+dfsg-1
ii libglib2.0-0 2.66.8-1
ii libgtk-3-0 3.24.24-4
ii libnspr4 2:4.29-1
ii libnss3 2:3.61-1
ii libpango-1.0-0 1.46.2-3
ii libstdc++6 10.2.1-6
ii libvpx6 1.9.0-1
ii libx11-6 2:1.7.2-1
ii libx11-xcb1 2:1.7.2-1
ii libxcb-shm0 1.14-3
ii libxcb1 1.14-3
ii libxcomposite1 1:0.4.5-1
ii libxdamage1 1:1.1.5-2
ii libxext6 2:1.3.3-1.1
ii libxfixes3 1:5.0.3-2
ii libxrender1 1:0.9.10-1
ii procps 2:3.3.17-5
ii zlib1g 1:1.2.11.dfsg-2

Versions of packages firefox-esr recommends:
ii libavcodec58 7:4.3.3-0+deb11u1

Versions of packages firefox-esr suggests:
ii fonts-lmodern 2.004.5-6.1
ii fonts-stix [otf-stix] 1.1.1-4.1
ii libcanberra0 0.30-7
ii libgssapi-krb5-2 1.18.3-6+deb11u1
ii libgtk2.0-0 2.24.33-2
ii pulseaudio 14.2-2

-- no debconf information