Hi HEnrik, On Mon, 2011-09-26 at 08:20 -0700, Henrik Friedrichsen wrote: > Hey Wey, > > Sure! Here's the information you asked for: > > On Mon, Sep 26, 2011 at 4:54 PM, wwguy <wey-yi.w.guy@xxxxxxxxx> wrote: > > Hi Henrik, > > > > On Mon, 2011-09-26 at 07:07 -0700, Henrik Friedrichsen wrote: > >> One more thing I have noticed: > >> > >> This message is only being printed when I connect to the AP, that I > >> have problems with: > >> > >> Sep 26 07:05:03 dharma kernel: [ 2213.379252] iwlagn 0000:03:00.0: Tx > >> aggregation enabled on ra = xx:xx:xx:xx:xx:xx tid = 0 > >> > > this message telling us "11n/aggregation" is started; so looks like the > > problem is aggregation related. > I see. Well only after that has been printed, I can surf the internet. > It takes a few seconds for that message to appear (after DHCP info > retrieval). > > > >> On the APs that work fine, it DOES NOT get printed. > > > > I don't see anything special in the dmesg log you send, could you > > provide us more information? > > > > 1. AP brand and model > AVM Fritz!Box Fon WLAN 7390 > > 2. channel band and number > It happens in the 2,4GHz and 5GHz frequencies, no matter what channel I use. > > 3. firmware version > 17.168.5.3 build 42301 > > 4. system setup (bluetooth or any other wireless devices on the system?) > It's a Lenovo x220i laptop. It does have a Bluetooth chip, which is, > however, deactived. Other than that there are no other wireless > devices. > > 5. if you can provide us more detail log, it will be great. (loading the > > iwlagn with debug=0x43fff) > Here's a more detailed log connecting to that AP in the 5GHz range: > http://diff.cc/tmp/kernel_iwlagn.log > > > > > > not seeing anything stand-out in the log. few things I will suggest and please give a try: 1. Please try to apply the following two patches I attach here. 2. load the iwlagn with debug=0x45800006, the log will be big, but it will contain more information on the tx/rx path. thanks Wey
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