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Message #43021
[Bug 1274622] IwConfig.txt
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1274622/+attachment/3963803/+files/IwConfig.txt
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https://bugs.launchpad.net/bugs/1274622
Title:
/lib/firmware/iwlwifi-7260-7.ucode is the wrong version
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Hi, I ran into a bug that made wifi unstable on my Lenovo Ideapad
Y710. I needed to disable/reenable networking about every 5 minutes.
I was able to get some connectivity, but obviously, this is a pain in
the ass.
After working with the awesome support folks at Intel, I think we
isolated the problem and solution.
The problem likely affects all laptops with the Intel(R) Wireless 7260
chipset.
The solution is to use updated firmware from here:
http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
firmware.git/plain/iwlwifi-7260-7.ucode?id=824994715e0276e64cdbf2badbe02921a78fb287
Just replace the /lib/firmware/iwlwifi-7260-7.ucode binary with the new
one.
Below is the last email I got from Luca at ilw at linux.intel.com - if
you have questions, they know the technical details to the solution.
Thanks again!
Mike
------
Hi Mike,
My colleague noticed that you are using an older version of the firmware
which contains a bug that may be the cause of the problem you're seeing.
We have pushed a new firmware (with a fix for this) to the
linux-firmware.git repository. You can get it here:
http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-
firmware.git/plain/iwlwifi-7260-7.ucode?id=824994715e0276e64cdbf2badbe02921a78fb287
Just replace the /lib/firmware/iwlwifi-7260-7.ucode binary with the new
one.
I checked Ubuntu's packages and it seems that they only updated to the
new one in the linux-firmware 1.122 package (for trusty). Ubuntu Saucy
(13.10) still has the old version in the linux-firmware 1.116 package.
It would be nice if someone would poke Ubuntu to add 1.122 to the
saucy-updates or something. I believe Linux Mint is following Ubuntu in
this case.
I hope this helps!
(And thanks to Emmanuel for the help ;)
--
Cheers,
Luca.
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ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: michael 2173 F.... pulseaudio
/dev/snd/controlC0: michael 2173 F.... pulseaudio
DistroRelease: Ubuntu 13.10
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=6ca2b9e3-fdd0-434e-b92a-06c69c90ca9b
InstallationDate: Installed on 2013-12-25 (36 days ago)
InstallationMedia: Linux Mint 16 "petra" - Release amd64 20131126
MachineType: LENOVO 20250
MarkForUpload: True
Package: linux (not installed)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=dccd14b6-5933-476f-b0f0-3175e5cd454a ro quiet splash
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
RelatedPackageVersions:
linux-restricted-modules-3.11.0-12-generic N/A
linux-backports-modules-3.11.0-12-generic N/A
linux-firmware 1.116
Tags: petra
Uname: Linux 3.11.0-12-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 09/02/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 7FCN35WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Durian 7A1
dmi.board.vendor: LENOVO
dmi.board.version: 31900003Std
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo IdeaPad Z710
dmi.modalias: dmi:bvnLENOVO:bvr7FCN35WW:bd09/02/2013:svnLENOVO:pn20250:pvrLenovoZ710:rvnLENOVO:rnDurian7A1:rvr31900003Std:cvnLENOVO:ct10:cvrLenovoIdeaPadZ710:
dmi.product.name: 20250
dmi.product.version: Lenovo Z710
dmi.sys.vendor: LENOVO
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