[Bug 1100398] [NEW] Firefox browsing very slow when cache full

[John Rose]

Public bug reported:

I was browsing Amazon website using Firefox. It took 1 minute + to do a
search in the site. I cleared the cache and it was fine. I have not
changed the original cache setting, which is automatic. I noticed that
the 'currently using' was 350MB & that 'limit cache to' was grayed out
as 350MB. I cleared the cache and it was fine.

This was using Ubuntu 12.04.1 using Firefox
18.0+build1-0ubuntu0.12.04.3.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: firefox 18.0+build1-0ubuntu0.12.04.3
ProcVersionSignature: Ubuntu 3.2.0-35.55-generic 3.2.34
Uname: Linux 3.2.0-35-generic x86_64
AddonCompatCheckDisabled: False
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: HDA Generic [HDA Generic]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  john       9626 F.... pulseaudio
 /dev/snd/controlC0:  john       9626 F.... pulseaudio
BuildID: 20130107224849
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xf7d00000 irq 42'
   Mixer name	: 'Realtek ID 887'
   Components	: 'HDA:10ec0887,1458a002,00100302'
   Controls      : 5
   Simple ctrls  : 4
Card1.Amixer.info:
 Card hw:1 'U0x46d0x9a4'/'USB Device 0x46d:0x9a4 at usb-0000:00:1d.0-1.5.7.4, high speed'
   Mixer name	: 'USB Mixer'
   Components	: 'USB046d:09a4'
   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 - 14
   Mono: Capture 14 [100%] [34.25dB] [on]
Channel: Unavailable
Date: Wed Jan 16 17:40:16 2013
ForcedLayersAccel: False
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2)
IpRoute:
 default via 192.168.1.1 dev eth0  proto static 
 169.254.0.0/16 dev eth0  scope link  metric 1000 
 192.168.1.0/24 dev eth0  proto kernel  scope link  src 192.168.1.3  metric 1
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
MarkForUpload: True
MostRecentCrashID: bp-07cee06a-46cb-442c-bf08-576722120424
PrefSources:
 prefs.js
 [Profile]/extensions/{b9db16a4-6edc-47ec-a1f4-b86292ed211d}/defaults/preferences/prefs-dwhelper.js
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=18.0/20130107224849 (In use)
RfKill:
 0: hci0: Bluetooth
 	Soft blocked: no
 	Hard blocked: no
RunningIncompatibleAddons: False
SourcePackage: firefox
SubmittedCrashIDs: bp-07cee06a-46cb-442c-bf08-576722120424
UpgradeStatus: Upgraded to precise on 2012-12-14 (33 days ago)
dmi.bios.date: 12/19/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FA
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H61M-S2PV
dmi.board.vendor: INTEL Corporation
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Tecohnology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFA:bd12/19/2011:svnGigabyteTecohnologyCo.,Ltd.:pnH61M-S2PV:pvrTobefilledbyO.E.M.:rvnINTELCorporation:rnH61M-S2PV:rvrTobefilledbyO.E.M.:cvnGigabyteTecohnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: H61M-S2PV
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Tecohnology Co., Ltd.

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


** Tags: amd64 apport-bug precise running-unity

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Title:
  Firefox browsing very slow when cache full

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