Re: [Cerowrt-devel] cerowrt-3.10.34-4 dev build released

[Dave Taht <dave.taht@gmail.com>]

For starters, let me suggest commenting out the multicast_rate parameter
from /etc/config/wireless and rebooting. Given an issue with dhcp
reported earlier today, that an issue with multicast.


On Thu, Apr 3, 2014 at 3:51 PM, Maxim Kharlamov <mcs@podsolnuh.biz> wrote:
> The last release without wifi issues was 3.8.something (I think it was
> called Berlin). The whole 3.10.x branch seems to have broken wifi (will see
> how 3.10.24-4 goes, it seems OK, but it's been working less than 24hours
> yet).
> I'm using only 2.4Ghz (5Ghz dead in the water - devices couldn't connect at
> all, so I disabled it). Guest and babel disabled.
>
>
> Regards,
> Max
>
>
> On Fri, Apr 4, 2014 at 11:36 AM, Dave Taht <dave.taht@gmail.com> wrote:
>>
>> Is there a recent version that people had that was seemingly stable for
>> wifi that we could step back to and bisect from? Something where
>> you had heavy wifu use for week(s) without a problem?
>>
>> (I know that until we got focused on this, and people focused on
>> reporting it, that maybe it was happening in releases I'd otherwise
>> considered to be "pretty good"... so please report in on your "best"
>> releases this year...)
>>
>> Worst case we can step back to that kernel for a while and proceed forward
>> on all the other stuff. I know I crave stability at this point, and I'm
>> unhappy that everyone here is unhappy, too...
>>
>> Regrettably since losing my lab I have not been in a position to easily
>> test wifi to any huge extent. I'm slowly building that up (but for example
>> no longer have a mac to test with)
>>
>>
>> On Thu, Apr 3, 2014 at 11:20 AM, Neil Shepperd <nshepperd@gmail.com>
>> wrote:
>> > I just flashed 3.10.34-4 to my new WNDR3800 and experienced the exact
>> > wifi hang described by Toke Høiland-Jørgensen. But I'm on the 2.4GHz
>> > network (with guest and babel disabled). Unfortunately I didn't think to
>> > try tracing anything from the router side before resetting the wireless.
>>
>> cool you disabled guest and babel. So far we've sort of ruled out
>> 6in4 tunnelling, and syn flood protection.
>>
>> Sounds like you are going to stick with -4 for a bit?
>>
>> what I've been doing is mounting a usb stick, and just running
>> continuously
>> on the stick
>>
>> tcpdump -s 128 -i ge00 -w ge00.cap &
>> tcpdump -s 128 -i sw00 -w sw00.cap &
>>
>> This definately hurts performance...
>>
>> And it's probably time to do a tcpdump on the connected device as well.
>>
>> In terms of other diags... (any suggestions?)
>>
>> > Syslog was filled with a lot of
>> >
>> > DHCPDISCOVER(sw00) [MAYBE IP] [MAC ADDRESS]
>> > DHCPOFFER(sw00) [IP] [MAC ADDRESS]
>>
>> Hmm. OK, this brings back the device driver into the equation... I
>> WAS seeing dhcp and arp requests "getting through" from the captures,
>> and it seemed like arp in particular was getting through...
>>
>> >
>> > but the offers aren't being received at my laptop.
>> >
>> > Just another data point I guess.
>>
>> Well, I'd hoped it would be a confirming one rather than one opening
>> up more questions.
>>
>> > Neil
>> > _______________________________________________
>> > Cerowrt-devel mailing list
>> > Cerowrt-devel@lists.bufferbloat.net
>> > https://lists.bufferbloat.net/listinfo/cerowrt-devel
>>
>>
>>
>> --
>> Dave Täht
>>
>> Fixing bufferbloat with cerowrt:
>> http://www.teklibre.com/cerowrt/subscribe.html
>> _______________________________________________
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>> Cerowrt-devel@lists.bufferbloat.net
>> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>
>



-- 
Dave Täht

Fixing bufferbloat with cerowrt: http://www.teklibre.com/cerowrt/subscribe.html