Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1178841
Title:
[regression] iwl3945 0000:04:00.0: Radio disabled by HW RF Kill switch
- wpa_supplicant causes high cpu load -
Status in “linux” package in Ubuntu:
Confirmed
Status in “wpa” package in Ubuntu:
Confirmed
Bug description:
On this notebook wifi sometimes doesn't work (wifi led not on, no wlan0
device), this issue was already present in 12.10, but aside from the
non-working wifi, nothing bad™ happened in this condition.
After updating to 13.04 however, dmesg gets spammed by repeated messages
May 10 23:28:09 piBook kernel: [ 21.048718] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.048842] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.049636] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.049763] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.051079] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.051378] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.052369] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.052499] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.053323] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.053452] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.054252] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.054374] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
May 10 23:28:09 piBook kernel: [ 21.055140] iwl3945 0000:04:00.0: Radio
disabled by HW RF Kill switch
a side effect of this is that now wpa_supplicant causes high CPU load,
rendering the device almost unusable.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: wpasupplicant 1.0-3ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
Uname: Linux 3.8.0-19-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Fri May 10 23:32:16 2013
InstallationDate: Installed on 2013-03-05 (66 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: wpa
UpgradeStatus: Upgraded to raring on 2013-04-25 (15 days ago)
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