[Bug 1912824] [NEW] system freezes using firefox

[Tom Anschutz]

Public bug reported:

Using firefox on low end computer - ASUS CN60 Chromebox.  At some point
the system will significantly slow down and eventually freeze.  No mouse
movement, no ssh or shell responsiveness. I ran top while using firefox,
and what I see is that the avail Mem drops to something like 10-20M and
then swapd starts.  At that point the system freezes with swapd at the
top of top.  I do not have a swap partition.  The system has 2G RAM and
16G SSD, with about 50% free on the SSD.

This is on Lubuntu 20.04.1 LTS and firefox 84.0.2 - system is current
with upgrade.

Happy to help with debugging.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: firefox 84.0.2+build1-0ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-64.72-generic 5.4.78
Uname: Linux 5.4.0-64-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  tom        5219 F.... pulseaudio
 /dev/snd/controlC0:  tom        5219 F.... pulseaudio
BuildID: 20210105180113
CasperMD5CheckResult: skip
Channel: Unavailable
CurrentDesktop: LXQt
Date: Fri Jan 22 12:05:24 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 2021-01-16 (5 days ago)
InstallationMedia: Lubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
IpRoute:
 default via 192.168.1.254 dev wlp2s0 proto dhcp metric 600 
 192.168.1.0/24 dev wlp2s0 proto kernel scope link src 192.168.1.96 metric 600
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 Profile1 (Default) - LastVersion=None/None (Out of date)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=84.0.2/20210105180113 (In use)
RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/18/2020
dmi.bios.vendor: coreboot
dmi.bios.version: MrChromebox-4.12
dmi.board.name: Panther
dmi.board.vendor: GOOGLE
dmi.board.version: 1.0
dmi.chassis.type: 3
dmi.chassis.vendor: GOOGLE
dmi.modalias: dmi:bvncoreboot:bvrMrChromebox-4.12:bd06/18/2020:svnGOOGLE:pnPanther:pvr1.0:rvnGOOGLE:rnPanther:rvr1.0:cvnGOOGLE:ct3:cvr:
dmi.product.family: Google_Beltino
dmi.product.name: Panther
dmi.product.version: 1.0
dmi.sys.vendor: GOOGLE

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


** Tags: amd64 apport-bug focal

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Title:
  system freezes using firefox

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