** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Yang Kun (YK) (dayangkuncn)
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https://bugs.launchpad.net/bugs/1314562
Title:
[Dell XPS 13] Intel Wireless 7260 has very bad connectivity
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Wifi has very bad connectivity in this system.
Some of behaviour I am experiencing:
* During the connection (specially visible on video calls) it seems that the
connection loses packages. This is on-going and it happens all the time.
* Every ~10 minutes, the connection is completely lost during 15 seconds,
and then it reconnects again. When that happens, the following messages show in
dmesg:
[ 2274.914647] wlan0: deauthenticating from a0:21:b7:d9:c4:23 by local choice
(reason=2)
[ 2274.917456] wlan0: authenticate with a0:21:b7:d9:c4:23
[ 2274.919021] wlan0: send auth to a0:21:b7:d9:c4:23 (try 1/3)
[ 2274.919950] cfg80211: Calling CRDA to update world regulatory domain
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified:
boot/vmlinuz-3.13.0-24-generic]
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: ara 2105 F.... pulseaudio
/dev/snd/controlC1: ara 2105 F.... pulseaudio
/dev/snd/controlC0: ara 2105 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Apr 30 11:44:14 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-04-29 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. XPS13 9333
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed
root=UUID=c46c99a8-b4fb-4c07-b6ea-245e927f273d ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/19/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A04
dmi.board.name: 0GFTRT
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA04:bd03/19/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS13 9333
dmi.sys.vendor: Dell Inc.
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