** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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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
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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 ;)
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Cheers,
Luca.
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