Could there have been changes to the wext interface for the ipw2200 driver in the new kernel revision? NM fallsback to wext for drivers such as ipw2200 (and ipw2100) which have an incomplete/broken nl80211 implementation.
I'm just about convinced it's not an issue in NetworkManager since it hasn't changed recently and we released with 0.9.4.0-0ubuntu3 which includes the patch to fallback to wext; which reportedly works properly at least on 3.2.0-23 and 3.2.0-27. If necessary and the nl80211 code was fixed, we can drop the patch, but there are some things to consider. See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/973241 for details. See also: http://article.gmane.org/gmane.linux.kernel.wireless.general/88613 https://bugzilla.kernel.org/show_bug.cgi?id=43049 Basically; including the device capability (encryption) patch will make the NM patch not fallback, but then the signal levels will be missing, because those are missing from nl80211 as well. ** Bug watch added: Linux Kernel Bug Tracker #43049 http://bugzilla.kernel.org/show_bug.cgi?id=43049 ** Changed in: network-manager (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1035590 Title: Kernel update on 10 Aug 2012 affects nm-applet signal strength Status in “linux” package in Ubuntu: Confirmed Status in “network-manager” package in Ubuntu: Triaged Bug description: With 3.2.0-29-generic the nm-applet no longer reports the wireless signal strength. If I reboot into 3.2.0-27-generic this problem does not occur. I am using a Toshiba Equium M70-339 laptop, and my wireless card is listed on the manufacturer's webpage as being an Intel® PRO/Wireless 2200 LAN Mini PCI adaptor integrated in Intel® Centrino™ mobile technology. I've purged and reinstalled network-manager to no effect. The only way for me to get the signal strength reported by the nm- applet is to use an earlier kernel. iwconfig reports the correct signal quality. lsb_release -rd Description: Ubuntu 12.04 LTS Release: 12.04 apt-cache policy network-manager network-manager: Installed: 0.9.4.0-0ubuntu4.1 Candidate: 0.9.4.0-0ubuntu4.1 Version table: *** 0.9.4.0-0ubuntu4.1 0 500 http://mirrors.coreix.net/ubuntu/ precise-updates/main i386 Packages 100 /var/lib/dpkg/status 0.9.4.0-0ubuntu3 0 500 http://mirrors.coreix.net/ubuntu/ precise/main i386 Packages apt-cache policy linux-image-3.2.0-29-generic linux-image-3.2.0-29-generic: Installed: 3.2.0-29.46 Candidate: 3.2.0-29.46 Version table: *** 3.2.0-29.46 0 500 http://mirrors.coreix.net/ubuntu/ precise-updates/main i386 Packages 500 http://mirrors.coreix.net/ubuntu/ precise-security/main i386 Packages 100 /var/lib/dpkg/status I expect nm-applet to display the signal strength of my WPA2 wireless AP, but instead no signal is reported. This behaviour is only observed with the newest kernel. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-29-generic 3.2.0-29.46 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 Uname: Linux 3.2.0-29-generic i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: andrew 1846 F.... pulseaudio Card0.Amixer.info: Card hw:0 'ICH6'/'Intel ICH6 with ALC250 at irq 17' Mixer name : 'Realtek ALC250 rev 2' Components : 'AC97a:414c4752' Controls : 33 Simple ctrls : 21 CurrentDmesg: [ 30.415898] lib80211_crypt: registered algorithm 'TKIP' [ 41.056026] eth1: no IPv6 routers present [ 100.046529] ACPI: EC: GPE storm detected, transactions will use polling mode Date: Sat Aug 11 10:54:17 2012 HibernationDevice: RESUME=UUID=2b27764c-cdb9-4a40-b4dd-e4148a6c0309 InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) Lsusb: Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: TOSHIBA 00000000000000000000 PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic root=UUID=81d9afb8-c58e-4eea-8277-4a3a34732119 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-29-generic N/A linux-backports-modules-3.2.0-29-generic N/A linux-firmware 1.79 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-04-26 (106 days ago) UserAsoundrc: # ALSA library configuration file # Include settings that are under the control of asoundconf(1). # (To disable these settings, comment out this line.) </home/andrew/.asoundrc.asoundconf> dmi.bios.date: 12/26/2005 dmi.bios.vendor: TOSHIBA dmi.bios.version: V1.30 dmi.board.name: HTW00 dmi.board.vendor: TOSHIBA dmi.board.version: Null dmi.chassis.asset.tag: * dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvrV1.30:bd12/26/2005:svnTOSHIBA:pn00000000000000000000:pvr0000000000000000:rvnTOSHIBA:rnHTW00:rvrNull:cvnTOSHIBA:ct10:cvrN/A: dmi.product.name: 00000000000000000000 dmi.product.version: 0000000000000000 dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1035590/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
