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Message #73308
[Bug 1315221] Re: 8086:08b1 (rev 6b) [Dell XPS 13 9333] iwlwifi regularly loses connection/becomes unusable on Intel 7260
Ethan: We recently incorporated some updates in 14.04 specifically for
disconnection issues with Intel 7260 wireless. Could you ensure your
system is fully up to date, reboot (ensuring that you use the official
3.13 kernel for trusty and not any newer version you installed for
testing), and let me know if the situation improves? If not we can start
trying to figure out what changes from newer kernel versions fix your
issues.
Everyone else: unless you have the exact same machine as Ethan has,
please file a new bug report if you haven't already by running 'ubuntu-
bug linux' from a terminal. Feel free to subscribe me to your bug
reports.
Thanks!
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https://bugs.launchpad.net/bugs/1315221
Title:
8086:08b1 (rev 6b) [Dell XPS 13 9333] iwlwifi regularly loses
connection/becomes unusable on Intel 7260
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
My Intel 7260 network card regularly shows very poor performance
and/or loses its connection entirely. On several occasions I have been
unable to reestablish an association with the AP without rebooting.
This occurs even if the laptop is within a few feet of the AP. I did
not have this problem on 12.04 with a quantal backport kernel.
Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 6b)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:c470]
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
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
Date: Thu May 1 22:59:32 2014
HibernationDevice: RESUME=/dev/mapper/cswap0
InstallationDate: Installed on 2014-04-25 (6 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. XPS13 9333
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=/dev/mapper/root 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: 12/11/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A02
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.:bvrA02:bd12/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS13 9333
dmi.sys.vendor: Dell Inc.
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References