uncloseable, unselectable tabs

[drink]

Sometimes I get tabs I can't close. If I browse to another site that works fine. If I select another tab I can't come back to the old tab. If I quit and restart I can close the tab before it loads.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 13.0.1+build1-0ubuntu0.12.04.1
Uname: Linux 3.5.0-030500rc2-generic x86_64
NonfreeKernelModules: nvidia
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC3: drink 2553 F.... pulseaudio
 /dev/snd/controlC2: drink 2553 F.... pulseaudio
BuildID: 20120615112143
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
 Card hw:0 'VirMIDI'/'Virtual MIDI Card 1'
   Mixer name : ''
   Components : ''
   Controls : 0
   Simple ctrls : 0
Card0.Amixer.values:

Card1.Amixer.info:
 Card hw:1 'M2x2'/'M-Audio MidiSport 2x2 at usb-0000:00:13.1-2, full speed'
   Mixer name : ''
   Components : 'USB0763:1002'
   Controls : 0
   Simple ctrls : 0
Card1.Amixer.values:

Card2.Amixer.info:
 Card hw:2 'SB'/'HDA ATI SB at 0xfe024000 irq 16'
   Mixer name : 'Realtek ALC888'
   Components : 'HDA:10ec0888,1458a002,00100001'
   Controls : 49
   Simple ctrls : 22
Card3.Amixer.info:
 Card hw:3 'NVidia'/'HDA NVidia at 0xfcffc000 irq 19'
   Mixer name : 'Nvidia GPU 0d HDMI/DP'
   Components : 'HDA:10de000d,10de0101,00100100'
   Controls : 24
   Simple ctrls : 4
Channel: release
CurrentDmesg:
 Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg -'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
 dmesg: write failed: Broken pipe
Date: Fri Jun 22 10:01:47 2012
ForcedLayersAccel: False
MostRecentCrashID: bp-9df26af0-3e9f-4ef9-b900-c6bf32120514
PrefErrors: Unexpected character before close parenthesis @ [Profile]/extensions/{e4a8a97b-f2ed-450b-b12d-ee082ba24781}/defaults/preferences/greasemonkey.js:4
ProcEnviron:
 PATH=(custom, user)
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=13.0.1/20120615112143 (In use)
RelatedPackageVersions:
 icedtea-6-plugin 1.2-2ubuntu1
 rhythmbox-mozilla 2.96-0ubuntu4
 totem-mozilla 3.0.1-0ubuntu21
RfKill:

RunningIncompatibleAddons: False
SourcePackage: firefox
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:

dmi.bios.date: 03/22/2011
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F12
dmi.board.name: GA-MA770T-UD3P
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF12:bd03/22/2011:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA770T-UD3P:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA770T-UD3P:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA770T-UD3P
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

[Launchpad Janitor (janitor)]

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

[Paul White (paulw2u)]

drink,

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 and Firefox since that time.

We'd like to close this bug report due to its age and long period of inactivity so please let us know if you still see a problem which is related to the one that was reported.

If we do not hear from you this bug report will automatically 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.]