The network applet is still usable and you can connect to networks even
if the signal level is 0, right? (I mean this so it's an annoyance, not
something that completely breaks wifi)
Perhaps I'll just remove the original workaround and cherry-pick a
different, slightly more intrusive patch to NM, since we'll eventually
backport newer kernels which will also have similar issues.
** Changed in: network-manager (Ubuntu)
Status: Incomplete => Triaged
** Changed in: network-manager (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: network-manager (Ubuntu)
Assignee: (unassigned) => Mathieu Trudel-Lapierre (mathieu-tl)
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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
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