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[Launchpad Bug Tracker <885565@xxxxxxxxxxxxxxxxxx>]

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

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/885565

Title:
  Unnecessary and unappreciated swapping slow down my system

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  After I upgrade my laptop from Ubuntu 11.04 to 11.10, it became
  extremely slow. With physical memory of 1GB, it starting swapping when
  free - buffers/cached > 400MB, which i thanked is to blame. It means
  when I launch a web browser and an e-mail client, it starts swapping.
  After several hours' running, the data swapped out will reach 300MB+
  and meanwhile free - buffers/cached is only 400MB. When I was using
  Ubuntu 11.04 before, swapping would never start unless free -
  buffers/cached > 800MB. Now I can only disable swapping to make my
  system usable, but the temporary solution will make my system
  unstable.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: linux-image-3.0.0-12-generic 3.0.0-12.20
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  bill       1604 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xf4500000 irq 45'
     Mixer name	: 'Conexant CX20549 (Venice)'
     Components	: 'HDA:14f15045,17aa3c2e,00100100'
     Controls      : 17
     Simple ctrls  : 9
  Date: Thu Nov  3 13:32:52 2011
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
  MachineType: LENOVO 1680014
  ProcEnviron:
   LANGUAGE=zh_CN:zh
   PATH=(custom, no user)
   LANG=zh_CN.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-12-generic root=UUID=50da0a45-7277-4992-bd2b-212fc4d16250 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.0.0-12-generic N/A
   linux-backports-modules-3.0.0-12-generic  N/A
   linux-firmware                            1.60
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: yes
  SourcePackage: linux
  UpgradeStatus: Upgraded to oneiric on 2011-10-13 (20 days ago)
  dmi.bios.date: 08/15/2007
  dmi.bios.vendor: LENOVO
  dmi.bios.version: IAET18WW (1.12 )
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnLENOVO:bvrIAET18WW(1.12):bd08/15/2007:svnLENOVO:pn1680014:pvrXRN220:rvnLENOVO:rnINVALID:rvrNotApplicable:cvnLENOVO:ct10:cvrN/A:
  dmi.product.name: 1680014
  dmi.product.version: XR N220
  dmi.sys.vendor: LENOVO

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