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Message #94319
[Bug 1398585] Re: [Inter 7260] Very slow and unstable WIFI
Pilot6, I added the tag with the meaning of the issue is not
reproducible with the upstream kernel. However, the usage precedent of
this tag is if both the problem is not reproducible in the upstream
kernel, and the upstream kernel version is higher than the Ubuntu kernel
after mapping. I'll remove it as it clearly caused confusion for folks,
and update the definition of the tag at
https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies so that this
confusion is avoided in the future.
BruceWouaigne, could you please test the latest upstream kernel
available from the very top line at the top of the page (the release
names are irrelevant for testing, and please do not test the daily
folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will
allow additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER
where VERSION-NUMBER is the version number of the kernel you tested exactly shown as:
kernel-fixed-upstream-3.18-rc7
This can be done by clicking on the yellow circle with a black pencil
icon next to the word Tags located at the bottom of the bug description.
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER
Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.
** Changed in: linux (Ubuntu)
Importance: Low => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags removed: kernel-fixed-upstream
--
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https://bugs.launchpad.net/bugs/1398585
Title:
[Inter 7260] Very slow and unstable WIFI
Status in linux package in Ubuntu:
Incomplete
Bug description:
Using an Asus Zenbook UX303L, with the last kernel, wifi is almost
unusable. The connection is VERY slow and keeps dropping.
There was absolutely no problem with the linux-image-3.13.0-40-generic
kernel.
Tried turning off the power management of wlan0 without any changes.
lspci -knn | grep Net -A2
02:00.0 Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev 6b)
Subsystem: Intel Corporation Dual Band Wireless-N 7260 [8086:c160]
Kernel driver in use: iwlwifi
Here is the speedtest output with the last kernel:
☺ ~⮀ speedtest
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Orange (***)...
Selecting best server based on latency...
Hosted by iperf.fr (Rouen) [315.45 km]: 15.149 ms
Testing download speed........................................
Download: 19.17 Mbits/s
Testing upload speed..................................................
Upload: 30.53 Mbits/s
And after a rollback on the 3.13
☺ ~⮀ speedtest
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Testing from Orange (***)...
Selecting best server based on latency...
Hosted by TestDebit.info (Limoges) [264.48 km]: 13.848 ms
Testing download speed........................................
Download: 61.95 Mbits/s
Testing upload speed..................................................
Upload: 71.33 Mbits/s
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-25-generic 3.16.0-25.33~14.04.2
ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7
Uname: Linux 3.16.0-25-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CurrentDesktop: GNOME
Date: Tue Dec 2 22:39:01 2014
InstallationDate: Installed on 2014-11-20 (12 days ago)
InstallationMedia: Ubuntu-GNOME 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)
---
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: bruce 2241 F.... pulseaudio
/dev/snd/pcmC1D0p: bruce 2241 F...m pulseaudio
/dev/snd/controlC1: bruce 2241 F.... pulseaudio
CurrentDesktop: GNOME
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=8a3f827c-19e2-473a-aeef-d988e7b1be88
InstallationDate: Installed on 2014-11-20 (12 days ago)
InstallationMedia: Ubuntu-GNOME 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
MachineType: ASUSTeK COMPUTER INC. UX303LN
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-25-generic root=/dev/mapper/ubuntu--gnome--vg-root ro quiet splash acpi_osi= vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7
RelatedPackageVersions:
linux-restricted-modules-3.16.0-25-generic N/A
linux-backports-modules-3.16.0-25-generic N/A
linux-firmware 1.127.8
Tags: trusty
Uname: Linux 3.16.0-25-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 06/23/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: UX303LN.203
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: UX303LN
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK COMPUTER INC.
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX303LN.203:bd06/23/2014:svnASUSTeKCOMPUTERINC.:pnUX303LN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX303LN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
dmi.product.name: UX303LN
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK COMPUTER INC.
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