Public bug reported:
i dual booted ubuntu 20.04 a week ago. but just after 2-3 days, firefox started
lagging and a lot. by lagging , i mean when i open a new tab it opens but
doesn't show on the screen that it has. when changing opened tabs it doesn't
show till i change 2 or more tabs (sometimes it doesn't even do that). when i
type something in address bar it doesn't show anything until i press enter and
it shows everything on that website. same problem with scrolling.
result of neofetch:
`:+ssssssssssssssssss+:` -------------
-+ssssssssssssssssssyyssss+- OS: Ubuntu 20.04.1 LTS x86_64
.ossssssssssssssssssdMMMNysssso. Host: Inspiron 3558
/ssssssssssshdmmNNmmyNMMMMhssssss/ Kernel: 5.4.0-58-generic
+ssssssssshmydMMMMMMMNddddyssssssss+ Uptime: 52 mins
/sssssssshNMMMyhhyyyyhmNMMMNhssssssss/ Packages: 1808 (dpkg), 6 (flatpak),
.ssssssssdMMMNhsssssssssshNMMMdssssssss. Shell: bash 5.0.17
+sssshhhyNMMNyssssssssssssyNMMMysssssss+ Resolution: 1366x768
ossyNMMMNyMMhsssssssssssssshmmmhssssssso DE: GNOME
ossyNMMMNyMMhsssssssssssssshmmmhssssssso WM: Mutter
+sssshhhyNMMNyssssssssssssyNMMMysssssss+ WM Theme: Adwaita
.ssssssssdMMMNhsssssssssshNMMMdssssssss. Theme: Yaru [GTK2/3]
/sssssssshNMMMyhhyyyyhdNMMMNhssssssss/ Icons: Yaru [GTK2/3]
+sssssssssdmydMMMMMMMMddddyssssssss+ Terminal: gnome-terminal
/ssssssssssshdmNNNNmyNMMMMhssssss/ CPU: Intel i3-5005U (4) @ 1.900GHz
.ossssssssssssssssssdMMMNysssso. GPU: Intel HD Graphics 5500
-+sssssssssssssssssyyyssss+- Memory: 3031MiB / 11891MiB
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: firefox 84.0+build3-0ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
Uname: Linux 5.4.0-58-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: schnyd3r 2786 F.... pulseaudio
/dev/snd/controlC0: schnyd3r 2786 F.... pulseaudio
BuildID: 20201211215739
CasperMD5CheckResult: skip
Channel: Unavailable
CurrentDesktop: ubuntu:GNOME
Date: Sat Jan 2 11:49:27 2021
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:354
DefaultProfileThemes: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
InstallationDate: Installed on 2020-12-30 (2 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
IpRoute:
default via 192.168.42.129 dev usb0 proto dhcp metric 100
default via 192.168.1.1 dev wlp6s0 proto dhcp metric 600
169.254.0.0/16 dev wlp6s0 scope link metric 1000
192.168.1.0/24 dev wlp6s0 proto kernel scope link src 192.168.1.39 metric 600
192.168.42.0/24 dev usb0 proto kernel scope link src 192.168.42.61 metric 100
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:354
Profile0PrefSources: prefs.js
Profile0Themes: extensions.sqlite corrupt or missing
Profiles:
Profile1 (Default) - LastVersion=None/None (Out of date)
Profile0 - LastVersion=84.0/20201211215739 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/09/2020
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A21
dmi.board.name: 0XCR91
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA21:bd07/09/2020:svnDellInc.:pnInspiron3558:pvr:rvnDellInc.:rn0XCR91:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Inspiron 3558
dmi.product.sku: 06B0
dmi.sys.vendor: Dell Inc.
** Affects: firefox (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal wayland-session
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https://bugs.launchpad.net/bugs/1909846
Title:
firefox 84.0 lagging a lot
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