Public bug reported:
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
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 oneiric running-unity
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https://bugs.launchpad.net/bugs/885565
Title:
Unnecessary and unappreciated swapping slow down my system
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