On Fri, Feb 7, 2014 at 1:37 PM, Sebastian Moeller <[email protected]> wrote:
> Hi Dave,
>
>
> On Feb 7, 2014, at 18:57 , Dave Taht <[email protected]> wrote:
>
>> On Fri, Feb 7, 2014 at 12:01 PM, Stephen Hemminger
>> <[email protected]> wrote:
>>> Any progress on getting a stable version? Recent versions seem to be 
>>> targeted
>>> at IPv6 and other things which do not impact me for home use. What does 
>>> matter
>>> is fixing the wireless hanging issue on 2.4Ghz.
>>
>> Do I detect a plainative note? I share it...
>>
>> I'm not aware of any problems on 2.4ghz in the last specific release I
>> did for comcast. It's been in day-to-day use here since I put it out.
>>
>> http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/comcast/3.10.28-4/
>>
>> Feel free to give it a shot. The stuff that made it comcast specific
>> (co-existence with  HE tunnels) is solved, so the next gen will be
>> generic.
>>
>> I AM painfully aware that ht40+ at 5ghz appears to have broken on
>> several channels (Seems to work on 36 and fail on 44) There was a
>> fresh merge from wireless-testing recently, that I hope fixes it.
>
>         With ht40+ on 44 I get MCS index 7 with transmigrate 150 reported on 
> my macbook, that according to the table in 
> http://en.wikipedia.org/wiki/IEEE_802.11n-2009 means 40MHz channel, with 
> netperf-wrapper I get an accumulate of ~100Mbits/s (which actually sounds too 
> good to be true I would have expected 75 tops, but with the macbook hogging 
> all tops, there seems to be less wasted airtime for direction changes). So at 
> least with country code GE channel 44 is capable of operating in ht40+ mode.

What release exactly? I confess to have merely seen the bug on a release
or two back.

You should get MCS15, btw.

>> There is still one unaligned_instruction trap left to beat that
>> appears to be triggered by odhcpd.
>>
>> root@comcast-gw:~# cat /sys/kernel/debug/mips/unaligned_instructions
>> 18000
>
>         So with my non-working IP6 on 3.10.28-1, I get:
> root@nacktmulle:~# cat /sys/kernel/debug/mips/unaligned_instructions
> 0
> root@nacktmulle:~# uptime
>  19:35:13 up 11 days, 22:46,  load average: 0.09, 0.43, 1.06

No, not fixed, it's triggered by ipv6 traffic.

>
> so most of the traps seem fixed!
>
>
>>
>> One of the things that scares me is that a bunch of openwrt targets
>> are migrating to 3.13 and if I miss a window  the very stable 3.10.28
>> release is going to get replaced upstream with 3.13 and resultant
>> headaches. (and benefits)
>
>         Do yu know what their plan is? Put out a stable version an maintain 
> that or switch to a rolling release cycle?

I have had few detailed conversations with the #openwrt-devel folk of
late. I have been ignoring irc in favor of doing work.

There is a ton of good stuff landing in openwrt, let me forward
something in a second...

>
>
> Best Regards & many Thanks for doing all this
>         Sebastian
>
>>
>> As my own deadlines slip everywhere, I made a big push earlier this
>> week to appeal to many folk to get dnsmasq + dnssec more widely tested
>> on other platforms in the hope that whenever I got unburied it would
>> be stable enough to toss into cero.  (that's going along swimmingly on
>> x86 and arm so far)
>>
>> I hope to replace the failed server this tonight and burn sunday on
>> trying to resolve the problems above. The currently borked srcs are on
>> github.
>>
>>
>> --
>> Dave Täht
>>
>> Fixing bufferbloat with cerowrt: 
>> http://www.teklibre.com/cerowrt/subscribe.html
>> _______________________________________________
>> Cerowrt-devel mailing list
>> [email protected]
>> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>



-- 
Dave Täht

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