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Message #73368
[Bug 1315221] Re: 8086:08b1 (rev 6b) [Dell XPS 13 9333] iwlwifi regularly loses connection/becomes unusable on Intel 7260
This apport collect is after an association failure this morning; the
machine was rebooted about two hours ago and has been associated since.
If that is too long after reboot, let me know and I'll collect another
set of data. This machine has no wired Ethernet and I do not have a USB
dongle. Reloading iwlwifi has worked only intermittently in the past,
although I have not tried it in the past couple of days.
Upstream 3.15.0-rc3 was the first upstream post-3.13 to work completely
stable for me. As I recall, 3.15 in general was much better than 3.13,
but -rc1 and -rc2 had some lingering issues. I don't know if current
upstream 3.15.x kernels work, although I can check that if you like.
They are not suitable for long term use as the touchpad does not work
correctly with their module complement.
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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.
---
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: elb 5375 F.... pulseaudio
/dev/snd/controlC0: elb 5375 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/cswap0
InstallationDate: Installed on 2014-04-25 (94 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. XPS13 9333
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic root=/dev/mapper/root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
RelatedPackageVersions:
linux-restricted-modules-3.13.0-32-generic N/A
linux-backports-modules-3.13.0-32-generic N/A
linux-firmware 1.127.5
Tags: trusty
Uname: Linux 3.13.0-32-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
_MarkForUpload: True
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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