At Brazil also happens this unfortunately. I have Ubuntu 14.04 and my network is at channel 13 and it's impossible i change the channel, a have tried using: options cfg80211 ieee80211_regdom=EU With 'EU' 'UK', 'BR' and other methods that i have found on the internet but nothing have work, while this I have to continue using Windows.
-- 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/288401 Title: Various wireless drivers don't see !US wireless channels on UK laptop [intrepid regression] Status in Release Notes for Ubuntu: Fix Released Status in “linux” package in Ubuntu: Fix Released Status in “linux-backports-modules-2.6.28” package in Ubuntu: Confirmed Status in “linux” source package in Intrepid: Won't Fix Status in “linux-backports-modules-2.6.28” source package in Intrepid: Invalid Bug description: The iwl3945 driver in Intrepid doesn't appear to see !US wireless channels, even on a UK laptop. My home network is on channel 13 and completely open, but Intrepid couldn't find it until I forced it back to channel 11. Hardy on the same hardware found and used the wireless on channel 13 just fine. [ 24.249155] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.2.26ks [ 24.249160] iwl3945: Copyright(c) 2003-2008 Intel Corporation [ 24.250336] iwl3945 0000:08:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 24.250351] iwl3945 0000:08:00.0: setting latency timer to 64 [ 24.250374] iwl3945: Detected Intel Wireless WiFi Link 3945ABG [ 24.316297] iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels [ 24.316994] phy0: Selected rate control algorithm 'iwl-3945-rs' [ 24.609654] iwl3945 0000:08:00.0: PCI INT A disabled 08:00.0 Network controller [0280]: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection [8086:4222] (re v 02) Subsystem: Hewlett-Packard Company Device [103c:135c] Flags: bus master, fast devsel, latency 0, IRQ 219 Memory at e8000000 (32-bit, non-prefetchable) [size=4K] Capabilities: [c8] Power Management version 2 Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Capabilities: [e0] Express Legacy Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting <?> Capabilities: [140] Device Serial Number 7f-f9-4f-ff-ff-77-1b-00 Kernel driver in use: iwl3945 Kernel modules: iwl3945 ProblemType: Bug Architecture: i386 DistroRelease: Ubuntu 8.10 Package: linux-image-2.6.27-7-generic 2.6.27-7.13 ProcCmdLine: root=UUID=55921fa8-4aa5-49ee-9079-c0fad8db5641 ro splash ProcEnviron: PATH=/usr/lib/ccache:/home/username/bin:/sbin:/usr/sbin:/usr/lib/ccache:/home/username/bin:/sbin:/usr/sbin:/home/username/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games LANG=en_GB.UTF-8 SHELL=/usr/bin/zsh ProcVersionSignature: Ubuntu 2.6.27-7.13-generic SourcePackage: linux *** WORKAROUND *** In order to use non-US wireless channels, add the following to /etc/modprobe.d/options: options cfg80211 ieee80211_regdom=EU Note that if you are using a driver from the linux-backport modules you would need to add the followng to /etc/modprobe.d/options instead: options lbm_cw_cfg80211 ieee80211_regdom=EU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-release-notes/+bug/288401/+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