Public bug reported:
I have a Dell XPS 15 L502X with Intel Centrino Wireless-N 1030 [Rainbow Peak]
running Ubuntu 14.04 (fresh install). Wifi stops working intermittently during
active usage and *always* after screen off. Syslog shows this message just
before it happens:
kernel: [ 4832.867113] wlan0: AP XX:XX:XX:XX:XX:XX changed bandwidth, new
config is 2412 MHz, width 1 (2412/0 MHz)
This happens regularly. I have tried some tweaks suggested to users facing wifi
problems in Ubuntu 14.04. My iwlwifi.conf is this:
# /etc/modprobe.d/iwlwifi.conf
options iwlwifi bt_coex_active=0 swcrypto=1 11n_disable=8
This does not solve the issue.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-firmware 1.127.11
ProcVersionSignature: Ubuntu 3.16.0-36.48~14.04.1-generic 3.16.7-ckt9
Uname: Linux 3.16.0-36-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.10
Architecture: amd64
CurrentDesktop: Unity
Date: Fri May 1 22:09:35 2015
Dependencies:
InstallationDate: Installed on 2015-04-12 (19 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1450856
Title:
Wifi stops working with "bandwidth change" (Intel Centrino Wireless-N
1030 [Rainbow Peak])
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