** Tags added: trusty ** Also affects: linux (Ubuntu) Importance: Undecided Status: New
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1178841/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp