[Bug 1265134] [NEW] Firefox freezes on startup, takes 100% CPU

[Jarno Suni]

Public bug reported:

I changed some preferences before this started to happen. IIRC I set
"Clear history when Firefox closes: " in "Use custom settings for
history".

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: firefox 26.0+build2-0ubuntu0.13.10.2
ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
Uname: Linux 3.11.0-14-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  jarno      1657 F.... lxpanel
BuildID: 20131206145143
CRDA: Error: [Errno 2] No such file or directory: 'iw'
Channel: Unavailable
Date: Tue Dec 31 08:21:58 2013
EcryptfsInUse: Yes
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 English (GB) Language Pack - langpack-en-GB at firefox.mozilla.org
 English (South Africa) Language Pack - langpack-en-ZA at firefox.mozilla.org
 Default - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2013-09-20 (101 days ago)
InstallationMedia: Lubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423.1)
IpRoute:
 default via 192.168.0.254 dev wlan0  proto static 
 192.168.0.0/24 dev wlan0  proto kernel  scope link  src 192.168.0.101  metric 9
MarkForUpload: True
PrefSources:
 prefs.js
 [Profile]/extensions/{3d7eb24f-2740-49df-8937-200b1cc08f8a}/defaults/preferences/flashblock.js
 [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
Profiles: Profile0 (Default) - LastVersion=26.0/20131206145143
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 google-talkplugin 4.9.1.0-1
 gecko-mediaplayer 1.0.8-4ubuntu1
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: True
SourcePackage: firefox
UpgradeStatus: Upgraded to saucy on 2013-10-18 (73 days ago)
dmi.bios.date: 09/13/06
dmi.bios.vendor: LENOVO
dmi.bios.version: 63ET13WW
dmi.board.name: CAPELL VALLEY(NAPA) CRB
dmi.board.vendor: LENOVO
dmi.board.version: Not Applicable
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnLENOVO:bvr63ET13WW:bd09/13/06:svnLENOVO:pn89224MG:pvr3000C200:rvnLENOVO:rnCAPELLVALLEY(NAPA)CRB:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: 89224MG
dmi.product.version: 3000 C200
dmi.sys.vendor: LENOVO

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


** Tags: amd64 apport-bug saucy

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Title:
  Firefox freezes on startup, takes 100% CPU

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