2012-09-26 10:34:26

by Kalle Valo

[permalink] [raw]
Subject: iwlwifi: 11n broken with 6300

Hi,

I have Intel 6300 on my laptop:

02:00.0 Network controller [0280]: Intel Corporation Centrino Ultimate-N
6300 [8086:4238] (rev 35)

And since I have had this laptop (1,5 years now) I have had to disable
11n (11n_disable=1) to get stable wifi, otherwise the TCP connections
would stall or get really slow. I have been hoping to properly debug
this at some point but, as usual, never found the time for it.

But today I noticed that this is still a very common problem:

https://plus.google.com/u/0/100920064738447422284/posts/Q32wEwyumdC

Does anyone know what's causing this? Is this bug (or bugs) tracked anywhere?

My AP is Netgear WNDR3700 running openwrt (10.03, r25221) and ath9k.
Laptop is Lenovo x201 running Ubuntu 12.04.1 64 bit with various
different kernels.

--
Kalle Valo