8086:4220 WiFi (signal strength and connection) drops intermittently: 12.04, Intel 2200BG (ipw2200)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Incomplete
|
Undecided
|
Unassigned |
Bug Description
This is a continuation of:
https:/
The problem had persisted after that ticket expired, but it's only now that I have the laptop in my hands and free to troubleshoot.
To recap, the basic issue is that there's something about the way the Intel 2200GB wireless card on the ThinkPad T43 interacts with Ubuntu (now upgraded to 12.04) that makes the Wifi connection drop intermittently and signal strength vary. On my Mac laptop on the same Wifi network, the signal strength is steady and the Wifi connection never drops.
I've completely removed Network Manager and am using wicd. I've turned off IPv6 and Wifi card power management.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-
ProcVersionSign
Uname: Linux 3.2.0-26-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu11
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
Card0.Amixer.info:
Card hw:0 'ICH6'/'Intel ICH6 with AD1981B at irq 22'
Mixer name : 'Analog Devices AD1981B'
Components : 'AC97a:41445374'
Controls : 26
Simple ctrls : 18
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'
Mixer name : 'ThinkPad EC 70HT28WW-1.05'
Components : ''
Controls : 2
Simple ctrls : 1
Card29.
Simple mixer control 'Console',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 14
Mono: Playback 9 [64%] [on]
Date: Sun Jul 22 22:48:17 2012
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111011)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: IBM 18714AU
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.79
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to precise on 2012-05-03 (80 days ago)
dmi.bios.date: 05/18/2006
dmi.bios.vendor: IBM
dmi.bios.version: 70ET66WW (1.26 )
dmi.board.name: 18714AU
dmi.board.vendor: IBM
dmi.board.version: Not Available
dmi.chassis.
dmi.chassis.type: 10
dmi.chassis.vendor: IBM
dmi.chassis.
dmi.modalias: dmi:bvnIBM:
dmi.product.name: 18714AU
dmi.product.
dmi.sys.vendor: IBM
affects: | ubuntu → linux (Ubuntu) |
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
Steve Toub, thank you for reporting this and helping make Ubuntu better. /wiki.ubuntu. com/KernelMainl ineBuilds . Once you've tested the upstream kernel, please remove the 'needs- upstream- testing' tag. This can be done by clicking on the yellow pencil icon next to the tag located at the bottom of the bug description and deleting the 'needs- upstream- testing' text. As well, please comment on which kernel version specifically you tested.
+ What is the manufacturer and model of the router this laptop has the problem with?
+ Do you have this problem on other routers?
+ If you could also please test the latest upstream kernel available that would be great. It will allow additional upstream developers to examine the issue. Refer to https:/
If this bug is fixed in the mainline kernel, please add the following tag 'kernel- fixed-upstream' .
If the mainline kernel does not fix this bug, please add the tag: 'kernel- bug-exists- upstream' .
If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel- unable- to-test- upstream' , and comment as to why specifically you were unable to test it.
Please let us know your results. Thanks in advance.