jhouse, thank you for reporting this and helping make Ubuntu better. Could you
please restore your system to the default firmware and kernel provided by
Ubuntu, and then test the latest upstream kernel available (not the daily
folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow
additional upstream developers to examine 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. For
example:
kernel-fixed-upstream-3.15-rc5
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. As well, please
remove the tag:
needs-upstream-testing
If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER
As well, please remove the tag:
needs-upstream-testing
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: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1318250
Title:
8086:08b1 (rev 73) [Clevo W740SU] Intel Wireless 7260 AC slow speeds
and drops connection in ubunu 14.04
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Slow speeds and drops connection in ubunu 14.04.
Network controller [0280]: Intel Corporation Wireless 7260 [8086:08b1] (rev
73)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260 [8086:4070]
WORKAROUND: Download the ucode file for the 3.13 kernel here:
http://wireless.kernel.org/en/users/Drivers/iwlwifi?action=AttachFile&do=get&target=iwlwifi-7260-ucode-22.0.6.0.tgz#Firmware
Download backports for 3.13 here:
http://drvbp1.linux-foundation.org/~mcgrof/rel-html/backports/
Un-tar the downloaded files:
tar xvf backports-3.13.2-1.tar.xz
tar xvf iwlwifi-7260*
Then build backports for iwlwifi:
cd backports-3.13.2-1/
make defconfig-iwlwifi
make
sudo make install
Then copy the firmware ucode file to /lib/firmware
cd ..
cd iwlwifi*
sudo cp iwlwifi* /lib/firmware
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
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 2382 F.... pulseaudio
/dev/snd/controlC0: ubuntu 2382 F.... pulseaudio
CasperVersion: 1.340
CurrentDesktop: Unity
Date: Sat May 10 21:12:12 2014
LiveMediaBuild: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Notebook W740SU
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true
file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet
splash -- maybe-ubiquity
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
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/04/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: W740SU
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd07/04/2013:svnNotebook:pnW740SU:pvrNotApplicable:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
dmi.product.name: W740SU
dmi.product.version: Not Applicable
dmi.sys.vendor: Notebook
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