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  1. Bug #356807
  2. Comment #10

Comment 10 for bug 356807

Revision history for this message
Jason Varney (jason-varever) wrote :

I'm also getting this in my logs and it's not just cosmetic, there seems to be some connectivity loss every time it happens as I get glitches and drop-outs in streaming applications, say Airfoil Speakers specifically. Seems the Ralink code is doing a periodic scan which I'm not sure is a normal behavior.

From /var/log/kern.log;

Oct 25 13:23:29 ubuntu kernel: [358858.630118] ===>rt_ioctl_giwscan. 1(1) BSS returned, data->length = 133

As you can see here this is happing even with very recent staging rt2870 module.

filename: /lib/modules/2.6.32-rc5-rt2870sta-cust02/kernel/drivers/staging/rt2870/rt2870sta.ko
alias: rt3070sta
version: 2.0.1.0
license: GPL
description: RTxx70 Wireless LAN Linux Driver
author: Paul Lin <email address hidden>
staging: Y
vermagic: 2.6.32-rc5-rt2870sta-cust02 SMP mod_unload modversions 586
parm: mac:rt28xx: wireless mac addr (charp)

Running a 5GHz WPA2 AES PSK network on channel 36/5.18GHz - basestation is an Airport Extreme with 7.4.2 firmware and Linksys WUSB600N(rt2870 chipset) USB adapters on the clients (Device ID: 1737:0071) - on Ubuntu specifically.

Official Ralink source (2009_0820_RT2870_Linux_STA_V2.2.0.0) won't build on latest kernels last I tried.