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Message #110167
[Bug 1436891] Re: Cannot connect to any WiFi access point which runs wireless-N
$ sudo apport-collect 1436891
ERROR: Could not import module, is a package upgrade in progress? Error: No module named PyQt4.QtCore
Created duplicate report, on linux:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1437084
This issue happened for all kernel versions I've tried in 15.04, from
the beta live CD to the current kernel. The problem does not exist with
the 14.10 or 14.04.2 live CDs
It may be a few days before I try the upstream kernel.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1436891
Title:
Cannot connect to any WiFi access point which runs wireless-N
Status in linux package in Ubuntu:
Confirmed
Bug description:
When attempting to connect to a WiFi access point with N wireless, two popup messages appear:
Connection 'SSID' deactivated.
The WiFi network could not be found
Expected behaviour: Connects to network.
Minimal demonstration: connect to a WiFi access point by both LAN and
WiFi B/G. Log in to access point, change it to B/G/N. Connection is
lost, cannot be re-established until reverted to B/G.
Previous troubleshooting located here:
https://www.kubuntuforums.net/showthread.php?67556-Can-t-use-wifi
Description: Ubuntu Vivid Vervet (development branch)
Release: 15.04
linux-firmware 1.143
Can connect normally (with N) from 14.04.2 and 14.10 live CDs. Can
connect in 15.04 if and only if N deactivated in access point.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-firmware 1.143
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
Uname: Linux 3.19.0-10-generic x86_64
ApportVersion: 2.16.2-0ubuntu4
Architecture: amd64
CurrentDesktop: KDE
Date: Fri Mar 27 00:14:58 2015
Dependencies:
InstallationDate: Installed on 2015-03-04 (22 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150224.1)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
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References