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Message #91379
[Bug 1395284] Status changed to Confirmed
This change was made by a bot.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1395284
Title:
Unstable wireless connections with 802.11n and kernel 3.16
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Using kernel 3.16 the wireless connections on 802.11n networks are
very unstable and they fail after few minutes. Even if the
NetworkManager says that it is still connected, nothing works and I
have to manually disconnect and connect again. And so on.
The problem was not present in kernel 3.14 (i.e. in Ubuntu 14.04) and
seems to be resolved in 3.18-rc5, even if in this case the connections
seem to be slower (but stable).
The solution (or better, the workaround) that has been proposed in
askubuntu does not work for me ( http://askubuntu.com/questions/544074
/unstable-wireless-in-ubuntu-14-10 ).
I have no problem with older wifi standard: if I set my router to not
use the 11n standard, it works perfectly.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-25-generic 3.16.0-25.33
ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7
Uname: Linux 3.16.0-25-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: giovanni 2688 F.... pulseaudio
/dev/snd/controlC0: giovanni 2688 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Nov 22 10:37:46 2014
HibernationDevice: RESUME=UUID=baeb85bd-8e5b-442a-8850-5335ad563c98
InstallationDate: Installed on 2014-10-06 (46 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Dell Inc. Inspiron 7537
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-25-generic.efi.signed root=UUID=e4cc7fd4-702d-44e9-ac9b-8bd4c776c85c ro quiet splash acpi_osi=Linux vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-25-generic N/A
linux-backports-modules-3.16.0-25-generic N/A
linux-firmware 1.138
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-10-30 (22 days ago)
WifiSyslog: Nov 22 10:37:21 inspiron kernel: [ 940.511342] mmc0: card d555 removed
dmi.bios.date: 07/18/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 038M0M
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.:bvrA10:bd07/18/2014:svnDellInc.:pnInspiron7537:pvr:rvnDellInc.:rn038M0M:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Inspiron 7537
dmi.sys.vendor: Dell Inc.
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