Re: [Cerowrt-devel] linksys 1200ac lockout problem still exists

[Sebastian Moeller <moeller0@gmx.de>]

Hi Dave,

> On Nov 20, 2016, at 20:30, Dave Taht <dave.taht@gmail.com> wrote:
> 
> Has the omnia got this problem?

Not sure, following your recipe from the LEDE bug, I attempted:
bash-3.2$ ./run-flent -H netperf-eu.bufferbloat.net –test-parameter=download_streams=12 tcp_ndown
Fatal error: Hostname lookup failed for host –test-parameter=download_streams=12: [Errno 8] nodename nor servname provided, or not known
bash-3.2$ 

But as you see that does not work. At least not against netperf-eu.bufferbloat.net even though:
bash-3.2$ ping -c 10 netperf-eu.bufferbloat.net
PING kau.toke.dk (130.243.26.64): 56 data bytes
64 bytes from 130.243.26.64: icmp_seq=0 ttl=46 time=46.657 ms
64 bytes from 130.243.26.64: icmp_seq=1 ttl=46 time=47.011 ms
64 bytes from 130.243.26.64: icmp_seq=2 ttl=46 time=46.643 ms
64 bytes from 130.243.26.64: icmp_seq=3 ttl=46 time=46.932 ms
64 bytes from 130.243.26.64: icmp_seq=4 ttl=46 time=47.062 ms
64 bytes from 130.243.26.64: icmp_seq=5 ttl=46 time=46.635 ms
64 bytes from 130.243.26.64: icmp_seq=6 ttl=46 time=46.479 ms
64 bytes from 130.243.26.64: icmp_seq=7 ttl=46 time=46.545 ms
64 bytes from 130.243.26.64: icmp_seq=8 ttl=46 time=46.585 ms
64 bytes from 130.243.26.64: icmp_seq=9 ttl=46 time=46.587 ms

--- kau.toke.dk ping statistics ---
10 packets transmitted, 10 packets received, 0.0% packet loss
round-trip min/avg/max/stddev = 46.479/46.714/47.062/0.197 ms

So I must be doing something wrong, but what? I have never tried the tcp_ndown test, so aybe just pilot’s error…

Best Regards
	Sebastian


> 
> On Sun, Nov 20, 2016 at 11:29 AM, Dave Taht <dave.taht@gmail.com> wrote:
>> so, in a flood of optimism, I reflashed my linksys 1200ac with lede head.
>> 
>> If you hit it with more than one download flow in netperf(flent), all
>> successor flows still starve.
>> 
>> http://www.taht.net/~d/linksys1200aclockout.png
>> 
>> I was under the impression a fix (also adding BQL) had arrived for
>> this problem in mainline.
>> 
>> filed a bug on it just now, I should have done so long ago.
>> 
>> https://bugs.lede-project.org/index.php?do=details&task_id=294
>> 
>> --
>> Dave Täht
>> Let's go make home routers and wifi faster! With better software!
>> http://blog.cerowrt.org
> 
> 
> 
> -- 
> Dave Täht
> Let's go make home routers and wifi faster! With better software!
> http://blog.cerowrt.org
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