I saw this comment for a similar issue:
https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1931035/comments/2
Setting layers.acceleration.disabled = true before upgrading to FF89
makes the issue go away, but now I don't have acceleration for this
"feature".
Since it seems to be acceleration related, here is some info on my
graphics:
$ sudo lshw -c video
*-display
description: VGA compatible controller
product: GP102 [GeForce GTX 1080 Ti]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:0a:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: iomemory:7f0-7ef iomemory:7f0-7ef irq:178
memory:f5000000-f5ffffff memory:7fe0000000-7fefffffff
memory:7ff0000000-7ff1ffffff ioport:e000(size=128) memory:f6000000-f607ffff
$ modinfo nvidia
filename: /lib/modules/5.11.0-18-generic/updates/dkms/nvidia.ko
alias: char-major-195-*
version: 460.84
supported: external
license: NVIDIA
srcversion: BE511DEA3662B4CF045EC5D
alias: pci:v000010DEd*sv*sd*bc03sc02i00*
alias: pci:v000010DEd*sv*sd*bc03sc00i00*
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https://bugs.launchpad.net/bugs/1931388
Title:
Firefox disaplayerror after Update on last version 89
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