Firefox froze

[Scott Cowles Jacobs]

I have 5 windows with lots of tabs, that are brought up each time FF loads.
I looked at one or two tabs, deleted a tab or two, I think, then went and started checking my email at AOL.
I looked at one msg., clicked on the up-arrow to look at the prev. msg., and nothing happened - thought I'd missed the button, and tried again - nothing. Tried down-arrow. Nothing. Tried clicking on other tabs - nothing. Tried other windows - sometimes the focus tab was running a routine that changed a logo picture - that kept going. If I minimized a window or -un-minimised it, I would see a string of increasingly smaller window title-bars descending the screen for the minimising visual effect (or the reverse), but no tab/window would display, nor was usable.
I went into "htop" and noted the process# of the Firefox process with the longest run-time, and called ubuntu-bug with it.
End of story.
I'll now go back into htop and kill the process, and restart FF. Probably everything will be fine. I may kill off a few tabs, just to be neat, and give FF less to do, in case it might make some difference...
Hope that the files ubuntu-bug pulls into this bug report are of use to someone, as this description probably isn't...
-Scott

Description: Ubuntu 12.04 LTS (Well, strictly speaking, Lubuntu 12.04 isn't an LTS...)
Release: 12.04

firefox:
  Installed: 12.0+build1-0ubuntu0.12.04.1
  Candidate: 12.0+build1-0ubuntu0.12.04.1
  Version table:
 *** 12.0+build1-0ubuntu0.12.04.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/main i386 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main i386 Packages
        100 /var/lib/dpkg/status
     11.0+build1-0ubuntu4 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/main i386 Packages

Linux scott-Asus-M2N68-AM-Plus 3.2.0-24-generic-tuxonice #37~ppa3-Ubuntu SMP Sat Apr 28 12:24:41 UTC 2012 i686 athlon i386 GNU/Linux

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 12.0+build1-0ubuntu0.12.04.1
ProcVersionSignature: Ubuntu 3.2.0-24.37~ppa3-generic-tuxonice 3.2.14
Uname: Linux 3.2.0-24-generic-tuxonice i686
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: scott 1536 f.... lxpanel
BuildID: 20120423122624
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xdfff4000 irq 21'
   Mixer name : 'Realtek ALC887'
   Components : 'HDA:10ec0887,104383bc,00100202'
   Controls : 40
   Simple ctrls : 21
Card1.Amixer.info:
 Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:00:02.0-1.1, full speed'
   Mixer name : 'USB Mixer'
   Components : 'USB046d:0825'
   Controls : 2
   Simple ctrls : 1
Card1.Amixer.values:
 Simple mixer control 'Mic',0
   Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
   Capture channels: Mono
   Limits: Capture 0 - 6144
   Mono: Capture 4608 [75%] [24.00dB] [on]
Channel: release
Date: Fri May 11 22:57:26 2012
ExecutablePath: /usr/lib/firefox/firefox
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
IpRoute:
 default via 192.168.1.1 dev eth0 proto static
 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.116 metric 1
 192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.117 metric 2
PciNetwork:

ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Profiles:
 Profile0 (Default) - LastVersion=12.0/20120423122624 (Running)
 Profile1 - LastVersion=10.0.2/20120216101208 (Out of date)
RfKill:

RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/10/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1802
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: M2N68-AM Plus
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1802:bd06/10/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N68-AMPlus:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

[Scott Cowles Jacobs (scott092707)]

Oh yes... almost forgot.

When I had Sakura (terminal prog.) call ubuntu-bug, I later saw that there was an error line printed, and the terminal still has not returned from the call... Here is the line:
"scott@scott-Asus-M2N68-AM-Plus:~$ ubuntu-bug 1895
[3327:3363:789657217:ERROR:x509_certificate_nss.cc(926)] CERT_PKIXVerifyCert for bugs.launchpad.net failed err=-8181
"
I do not know if this information will interest anyone, but there it is...

[Patrick Santos (milljudgement+ubuntu)]

Hmm I can't piece together the whole sequence of events that could make this happen, but one thing I notice is that Firefox's memory usage exceeded your physical memory and went into swap.

From procStatus.txt:
VmPeak: 1930712 kB
VmSize: 1867308 kB - 1.78 GiB!
VmSwap: 100868 kB

From bootdmsg:
[ 0.000000] 903MB HIGHMEM available.
[ 0.000000] 887MB LOWMEM available.

The question is whether this is a memory leak or simply having a lot of content open.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Paul White (paulw2u)]

We are sorry that we do not always have the capacity to review all reported bugs in a timely manner. You reported this bug some time ago and there have been many changes in Ubuntu since that time.

Ubuntu 12.04 (precise) reached end-of-life on April 28, 2017.

Do you still see a problem related to the one that you reported when using a currently supported version of Ubuntu? Please let us know if you do otherwise this report can be left to expire in approximately 60 days time.

Thank you for helping make Ubuntu better.

Paul White
[Ubuntu Bug Squad]

[Launchpad Janitor (janitor)]

[Expired for firefox (Ubuntu) because there has been no activity for 60 days.]