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Message #07462
[Bug 830539] Re: no power management for Intel(R) PRO/Wireless 3945ABG/BG
** Description changed:
I have no power option for my wireless adapter. Especially when on AC this gets very hot (nearly unusable).
In Windows I can lower transmission power which helps.
I am under the impression in earlier versions of Ubuntu I was able to do that too (or through some tools).
Now it seems to be gone.
To my research it seems that the original drivers "ipw3945" have been replaced by newer "iwl3945"?
Maybe thats the cause?
additional Information below:
steros@xamos:~$ sudo iwconfig wlan1 power on
Error for wireless request "Set Power Management" (8B2C) :
SET failed on device wlan1 ; Operation not supported.
steros@xamos:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan1 IEEE 802.11abg ESSID:"blackhole"
Mode:Managed Frequency:2.412 GHz Access Point: 00:00:00:00:00
Bit Rate=54 Mb/s Tx-Power=1 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=48/70 Signal level=-62 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:2 Missed beacon:0
-
- steros@xamos:~$ lsmod
- Module Size Used by
- cryptd 19801 0
- aes_i586 16956 3
- aes_generic 38023 1 aes_i586
- tp_smapi 23023 0
- binfmt_misc 13213 1
- joydev 17322 0
- hdaps 14575 1
- thinkpad_ec 14141 2 tp_smapi,hdaps
- parport_pc 32111 0
- ppdev 12849 0
- dm_crypt 22463 0
- snd_hda_codec_analog 75442 1
- snd_hda_intel 24113 2
- snd_hda_codec 90901 2 snd_hda_codec_analog,snd_hda_intel
- snd_hwdep 13274 1 snd_hda_codec
- snd_pcm 80042 2 snd_hda_intel,snd_hda_codec
- thinkpad_acpi 73750 0
- snd_seq_midi 13132 0
- snd_rawmidi 25269 1 snd_seq_midi
- snd_seq_midi_event 14475 1 snd_seq_midi
- snd_seq 51291 2 snd_seq_midi,snd_seq_midi_event
- coretemp 13283 0
- arc4 12473 2
- pcmcia 39671 0
- snd_timer 28659 2 snd_pcm,snd_seq
- snd_seq_device 14110 3 snd_seq_midi,snd_rawmidi,snd_seq
- yenta_socket 27230 0
- pcmcia_rsrc 18292 1 yenta_socket
- snd 55295 14 snd_hda_codec_analog,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,thinkpad_acpi,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
- pcmcia_core 21505 3 pcmcia,yenta_socket,pcmcia_rsrc
- snd_page_alloc 14073 2 snd_hda_intel,snd_pcm
- iwl3945 126017 0
- iwlcore 148964 1 iwl3945
- tpm_tis 13993 0
- soundcore 12600 1 snd
- tpm 21251 1 tpm_tis
- mac80211 257001 2 iwl3945,iwlcore
- lp 13349 0
- cfg80211 156212 3 iwl3945,iwlcore,mac80211
- tpm_bios 13460 1 tpm
- parport 36746 3 parport_pc,ppdev,lp
- nvram 14035 1 thinkpad_acpi
- psmouse 73312 0
- serio_raw 12990 0
- i915 451033 2
- firewire_ohci 31504 0
- drm_kms_helper 40745 1 i915
- ahci 21591 4
- firewire_core 56138 1 firewire_ohci
- drm 184164 3 i915,drm_kms_helper
- libahci 25548 1 ahci
- sdhci_pci 13623 0
- e1000e 138627 0
- sdhci 22720 1 sdhci_pci
- crc_itu_t 12627 1 firewire_core
- i2c_algo_bit 13184 1 i915
- video 18951 1 i915
steros@xamos:~$ modinfo iwl3945
filename: /lib/modules/2.6.38-11-generic/kernel/drivers/net/wireless/iwlwifi/iwl3945.ko
firmware: iwlwifi-3945-2.ucode
license: GPL
author: Copyright(c) 2003-2010 Intel Corporation <email address hidden>
version: in-tree:s
description: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux
srcversion: 77EE951E905F8464CFEDBDA
alias: pci:v00008086d00004227sv*sd*bc*sc*i*
alias: pci:v00008086d00004222sv*sd*bc*sc*i*
alias: pci:v00008086d00004227sv*sd00001014bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001044bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001034bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001005bc*sc*i*
depends: iwlcore,cfg80211,mac80211
vermagic: 2.6.38-11-generic SMP mod_unload modversions 686
parm: antenna:select antenna (1=Main, 2=Aux, default 0 [both]) (int)
parm: swcrypto:using software crypto (default 1 [software])
(int)
parm: disable_hw_scan:disable hardware scanning (default 1) (int)
parm: fw_restart3945:restart firmware in case of error (int)
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-11-generic 2.6.38-11.48
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: steros 5120 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 47'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,17aa2025,00100200'
Controls : 20
Simple ctrls : 11
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7BHT40WW-1.13'
Mixer name : 'ThinkPad EC 7BHT40WW-1.13'
Components : ''
Controls : 2
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 14
Mono: Playback 14 [100%] [on]
Date: Sun Aug 21 16:19:35 2011
HibernationDevice: RESUME=UUID=4ee770e0-d669-4767-996d-c5d32da594dd
MachineType: LENOVO 170255G
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic root=UUID=a91ac0ab-6ea5-4e18-ad77-3a6fbd665268 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-11-generic N/A
linux-backports-modules-2.6.38-11-generic N/A
linux-firmware 1.52.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/20/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7BETD7WW (2.18 )
dmi.board.name: 170255G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7BETD7WW(2.18):bd11/20/2008:svnLENOVO:pn170255G:pvrThinkPadX60s:rvnLENOVO:rn170255G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 170255G
dmi.product.version: ThinkPad X60s
dmi.sys.vendor: LENOVO
** Tags added: bios-outdated-2.19 needs-upstream-testing
--
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https://bugs.launchpad.net/bugs/830539
Title:
no power management for Intel(R) PRO/Wireless 3945ABG/BG
Status in The Linux Kernel:
In Progress
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I have no power option for my wireless adapter. Especially when on AC this gets very hot (nearly unusable).
In Windows I can lower transmission power which helps.
I am under the impression in earlier versions of Ubuntu I was able to do that too (or through some tools).
Now it seems to be gone.
To my research it seems that the original drivers "ipw3945" have been replaced by newer "iwl3945"?
Maybe thats the cause?
additional Information below:
steros@xamos:~$ sudo iwconfig wlan1 power on
Error for wireless request "Set Power Management" (8B2C) :
SET failed on device wlan1 ; Operation not supported.
steros@xamos:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan1 IEEE 802.11abg ESSID:"blackhole"
Mode:Managed Frequency:2.412 GHz Access Point: 00:00:00:00:00
Bit Rate=54 Mb/s Tx-Power=1 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=48/70 Signal level=-62 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:2 Missed beacon:0
steros@xamos:~$ modinfo iwl3945
filename: /lib/modules/2.6.38-11-generic/kernel/drivers/net/wireless/iwlwifi/iwl3945.ko
firmware: iwlwifi-3945-2.ucode
license: GPL
author: Copyright(c) 2003-2010 Intel Corporation <email address hidden>
version: in-tree:s
description: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux
srcversion: 77EE951E905F8464CFEDBDA
alias: pci:v00008086d00004227sv*sd*bc*sc*i*
alias: pci:v00008086d00004222sv*sd*bc*sc*i*
alias: pci:v00008086d00004227sv*sd00001014bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001044bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001034bc*sc*i*
alias: pci:v00008086d00004222sv*sd00001005bc*sc*i*
depends: iwlcore,cfg80211,mac80211
vermagic: 2.6.38-11-generic SMP mod_unload modversions 686
parm: antenna:select antenna (1=Main, 2=Aux, default 0 [both]) (int)
parm: swcrypto:using software crypto (default 1 [software])
(int)
parm: disable_hw_scan:disable hardware scanning (default 1) (int)
parm: fw_restart3945:restart firmware in case of error (int)
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-11-generic 2.6.38-11.48
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: AD198x Analog [AD198x Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: steros 5120 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xee240000 irq 47'
Mixer name : 'Analog Devices AD1981'
Components : 'HDA:11d41981,17aa2025,00100200'
Controls : 20
Simple ctrls : 11
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 7BHT40WW-1.13'
Mixer name : 'ThinkPad EC 7BHT40WW-1.13'
Components : ''
Controls : 2
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
Playback channels: Mono
Limits: Playback 0 - 14
Mono: Playback 14 [100%] [on]
Date: Sun Aug 21 16:19:35 2011
HibernationDevice: RESUME=UUID=4ee770e0-d669-4767-996d-c5d32da594dd
MachineType: LENOVO 170255G
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic root=UUID=a91ac0ab-6ea5-4e18-ad77-3a6fbd665268 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.38-11-generic N/A
linux-backports-modules-2.6.38-11-generic N/A
linux-firmware 1.52.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/20/2008
dmi.bios.vendor: LENOVO
dmi.bios.version: 7BETD7WW (2.18 )
dmi.board.name: 170255G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr7BETD7WW(2.18):bd11/20/2008:svnLENOVO:pn170255G:pvrThinkPadX60s:rvnLENOVO:rn170255G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 170255G
dmi.product.version: ThinkPad X60s
dmi.sys.vendor: LENOVO
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