Holy Moly! It gives me real pleasure to realize living in some kind of forbidden world, like outside of North America. Channels 12 and 13 of WIFI 2.4GHz are valid channels for the whole world, perhaps with the exception of North America. There is no need to block these channels!
The problem was that my router was transmitting on channel 13. And both channels 12 and 13 are NOT seen on my DELL, neither on 14.04 nor on Vivid. As iwlist finds channels 1...13 (in the previous I said 14? Not seen anymore, maybe I had mislooked). This suggests that the clipping of the 2 channels may not be done by the broadcom module, but by something else in the ubuntu configuration. I have now forced the router to channels 1...11 and wifi works well. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1456585 Title: 14e4:43b1 DELL XPS 13 (9343) Only wireless 5GHz works, but not 2.4GHz Status in Broadcom 802.11 Linux STA driver: New Status in bcmwl package in Ubuntu: Triaged Status in linux package in Ubuntu: Invalid Bug description: This laptop came factory preinstalled with Ubuntu 14.04, but it had and still has way too many problems. I have now kernel 3.16.0-37-generic running. The wireless driver is wl, installed from bcmwl-kernel-source. I have wireless working at 5GHz with good speed, everything well. However, I can't connect to wireless on 2.4GHz. Before I had kernel 3.13.0-52-generic, which had the same problem. I tried kernel 4.1.0-rc2 and rc3, but both failed on installing from bcmwl-kernel-source. Trying "iwlist wlan0 freq" I get a list of channels 1-14 at 2.4GHz, and 32-66 at 5GHz. Still, only the 5GHz works. Other devices in my house do connect well to the 2.4GHz (from a Fritzbox router). "iwlist wlan0 scan" has "no scan result" when 5GHz is disabled, and finds one network at 5.18GHz when enabled. Network controller [0280]: Broadcom Corporation BCM4352 802.11ac Wireless Network Adapter [14e4:43b1] (rev 03) Subsystem: Dell Device [1028:0019] --- ApportVersion: 2.14.1-0ubuntu3.10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ullix 1839 F.... pulseaudio /dev/snd/controlC0: ullix 1839 F.... pulseaudio CurrentDesktop: MATE DistributionChannelDescriptor: # This is a distribution channel descriptor # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-trusty-amd64-20140620-0 DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=7b6c248b-36d3-4dcf-9e9e-427d50206af6 InstallationDate: Installed on 2015-04-24 (25 days ago) InstallationMedia: Ubuntu 14.04 "Trusty" - Build amd64 LIVE Binary 20140620-04:25 MachineType: Dell Inc. XPS 13 9343 NonfreeKernelModules: wl Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-37-generic root=UUID=fda802ca-9257-4fed-bb0d-9f4756dca419 ro pcie_aspm=force radeon.modeset=0 plymouth:debug drm.debug=0xe nouveau.modeset=0 video.use_native_backlight=1 quiet splash pcie_aspm=force radeon.modeset=0 nouveau.modeset=0 video.use_native_backlight=1 "acpi_osi=Windows 2013" ProcVersionSignature: Ubuntu 3.16.0-37.51~14.04.1-generic 3.16.7-ckt9 RelatedPackageVersions: linux-restricted-modules-3.16.0-37-generic N/A linux-backports-modules-3.16.0-37-generic N/A linux-firmware 1.127.11 Tags: trusty Uname: Linux 3.16.0-37-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare scanner sudo tape video _MarkForUpload: True dmi.bios.date: 03/25/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A03 dmi.board.name: 0TM99H dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA03:bd03/25/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0TM99H:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9343 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/broadcom-sta/+bug/1456585/+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
