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Message #91885
[Bug 1396338] Re: [Dell Latitude E7440] Wifi keeps dropping with Intel Wireless 7260
- but connection dropped twice while compiling this bug report. That is
unusual, though - I now experience two or three drop-outs per day,
before changing away from the most congested channel, I had at least one
per hour.
The neighborhood is very crowded in the 2.4 GHz band.
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https://bugs.launchpad.net/bugs/1396338
Title:
[Dell Latitude E7440] Wifi keeps dropping with Intel Wireless 7260
Status in “linux” package in Ubuntu:
New
Bug description:
Submitted by request of seth.forshee+lp@xxxxxxxxxxxxx - refer to bug
#1329040
The frequency of the problem has dropped considerably after moving to
a less congested channel, but it still happens - I am stationary at
about 3 meters from the access point. Other devices (Android phones,
iPad, other laptops) are connecting to the same access point with no
problems at all.
The problematic line in the dmesg output is
wlan0: deauthenticated from 00:16:b6:01:69:74 (Reason: 7=CLASS3_FRAME_FROM_NONASSOC_STA)
After the connection is dropped, a hardware switch disconnect/connect
is necessary to re-establish connection, the connection does not
automatically reappear.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-24-generic 3.16.0-24.32
ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
Uname: Linux 3.16.0-24-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: niels 2502 F.... pulseaudio
/dev/snd/controlC1: niels 2502 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Nov 25 21:24:21 2014
HibernationDevice: RESUME=UUID=fe0b3838-4f25-4296-a7c7-872862359ccf
InstallationDate: Installed on 2014-10-16 (40 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: Dell Inc. Latitude E7440
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic root=UUID=28b33773-57cd-4cb6-bd65-1c2acadbd079 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-24-generic N/A
linux-backports-modules-3.16.0-24-generic N/A
linux-firmware 1.138
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2014-10-25 (31 days ago)
dmi.bios.date: 06/26/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 03HFCG
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA10:bd06/26/2014:svnDellInc.:pnLatitudeE7440:pvr01:rvnDellInc.:rn03HFCG:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E7440
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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