Re: [Cerowrt-devel] 3.10.11-2 development build debloat bug

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

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Grump. Fixed. Thank you.


On Fri, Sep 13, 2013 at 11:08 AM, Fred Stratton <fredstratton@imap.cc>wrote:

> Thank you.
>
> The server currently has all your build environment on it in the 3.10.11-3
> directory, rather than the build itself.
>
> This has not been the case before.
>
>
> On 13 Sep 2013, at 19:03, Dave Taht <dave.taht@gmail.com> wrote:
>
> I have pushed out a 3.10.11-3 that has the encapsulation fixes for fred,
> and the fix for debloat. (It is otherwise untested, as is seemingly growing
> more usual for me)
>
> Isolating wifi problems is very hard. The first step is finding and
> eliminating other sources of interference on the channels you are on or
> migrating to a different channel. There are multiple halfway decent
> scanning tools, a couple referenced here:
>
> https://plus.google.com/u/0/107942175615993706558/posts/PHPR7uL89Sq
>
> On the 5ghz spectrum you usually have more channels available, so nothing
> as fancy and graphical is needed (IMHO, but I'm a command line guy) so a
> simple iwlist gw11 scanning will show the ones in use, and then you can
> often find a clear channel from the approved list.
>
> I note that the 5ghz radio in cero is set to HT40+ - so being on channel
> 36 "bleeds" over onto 40. Some data indicates that competing with another
> AP on HT20 channel 40  (or some other competing set of channels) can be
> very bad. So you should try to find a HT40+ clear set of channels that are
> legal for your country, or go back to HT20 if you can't find a safe pair to
> use.
>
> http://en.wikipedia.org/wiki/List_of_WLAN_channels
>
>
>
>
> On Fri, Sep 13, 2013 at 3:01 AM, Sebastian Moeller <moeller0@gmx.de>wrote:
>
>> Hi Dave,
>>
>>
>>
>> On Sep 12, 2013, at 06:18 , Dave Taht <dave.taht@gmail.com> wrote:
>>
>> > Well, actually, I don't know when the syntax changed, but now the -b
>> option needs a
>> >                             -
>> > for reading from standard input. Boy this file is getting crufty...
>> >
>> > cero2@snapon:~/src/ceropackages-3.3/net/debloat/files$ git diff debloat
>> > diff --git a/net/debloat/files/debloat b/net/debloat/files/debloat
>> > index e675008..d1cf939 100755
>> > --- a/net/debloat/files/debloat
>> > +++ b/net/debloat/files/debloat
>> > @@ -29,7 +29,7 @@ params = { "MDISC", "BIGDISC", "NORMDISC", "BINS",
>> "MAX_HWQ_BY
>> >  -- Useful defaults
>> >
>> >  env = { ["TC"] = "/sbin/tc",
>> > -       ["TCARG"] = "-b",
>> > +       ["TCARG"] = "-b -",
>> >         ["INSMOD"] = "/sbin/modprobe",
>> >          ["ETHTOOL"] = "/sbin/ethtool",
>> >         ["LSMOD"] = "/sbin/lsmod",
>> > (END)
>>
>>         Thanks that fixed the non-ge00 interfaces. As to the abysmal
>> performance with macosx over 5GHz wlan, that still is there, but I suspect
>> the macbok to be the culprit here (plus the wlan connection is somewhere
>> ion the edge between changing transmigrates so might be a moving target).
>>
>>
>> Many thanks
>>         Sebastian
>>
>>
>>
>> >
>> >
>> >
>> >
>> > On Wed, Sep 11, 2013 at 9:10 PM, Dave Taht <dave.taht@gmail.com> wrote:
>> >
>> >
>> >
>> > On Wed, Sep 11, 2013 at 1:36 AM, Sebastian Moeller <moeller0@gmx.de>
>> wrote:
>> > Hi Dave,
>> >
>> > so I ant for the shiny 3.10.11-2, worked great (using Fred's mtd -r
>> method, thanks Fred)
>> >
>> >
>> > On Sep 10, 2013, at 02:28 , Dave Taht <dave.taht@gmail.com> wrote:
>> >
>> > > + readlink fix (hopefully fixes sysupgrade)
>> >         I guess this will be testable at the next version update...
>> >
>> > > + usual merge with openwrt head (tons of ath9k changes)
>> >         Oh, as if you knew that I had a number of:
>> >                 ath: phy1: Failed to stop TX DMA, queues=
>> >         lines in dmesg, quick testing did not allow me to get those
>> with 3.10.11-2, but I will need to test further...
>> >
>> > > + dnsmasq 2.67test10
>> > > + ipv6subtrees back in
>> > > + the final htb atm patches
>> >
>> >         So I tested tc_stab and htb_private from the AQM tab, both work
>> equally well.
>> >
>> > > + eliminated maxpacket check in codel
>> > >
>> > > - did not fold in edumazet's new fq code
>> > > - 100% totally untested. May a braver soul than I give it a shot. I
>> won't be near a cero box til thursday, otherwise.
>> > >
>> > > http://snapon.lab.bufferbloat.net/~cero2/cerowrt/wndr/3.10.10-1/
>> > >
>> > > -I'm not sure if I got the "last" of the aqm gui patches in there or
>> not…
>> >
>> >         I think so, at least it works :)
>> >
>> > >
>> > > ...
>> > >
>> > > Anyway... I had hopes to get a stable release out in august. I AM
>> very happy about the major stuff that got fixed, instead... but...
>> > >
>> > > Since we didn't... I now have a ton of other matters piled up. Not
>> least of which is a pending trip to england and the eu.
>> >
>> >         Have a great trip.
>> >
>> >
>> > oh, this guilts me!  ;)
>> >
>> > >
>> > > So for the next month I don't see how I'm going to be able to put
>> more than a day a week into cerowrt. Tops. So I have tagged up this
>> "release" and pushed all the baked portions of the sources to github.
>> >
>> >         Thanks a lot.
>> >
>> > > I'm still a little dubious of the ipv6 subtrees bit….
>> >
>> >         RRUL-Testing against Toke's server shows great results, local
>> rrul testing between osx 10.8.4 machine on sw10 to a net server running on
>> an linux x86_64 3.10.1 machine on se00 is quite bad though (I assume I now
>> run into the wifi issues on the macbook or the router as this is the first
>> time I test against a machine with considerable larger bandwidth than the
>> wlan). The rrul plots still are quite interesting, as I could nicely see
>> anticoorelation between up and down bandwidth (shared medium)
>> >
>> >
>> > No, its possible we have a new problem...
>> >
>> > If I get round to it I would like to re-enable fq_codel on all
>> interfaces (now it is just running at ge00/ifb0) to see whether this can
>> ameliorate the issue at least a bit.
>> >
>> > Note, I enabled the log for /usr/sbin/deblaot (by
>> editing/etc/hotplug.d/iface/00-debloat) and got the following:
>> > root@nacktmulle:~# cat /tmp/debloat.log
>> > fq_codel_ll
>> > fq_codel_ll
>> > fq_codel_ll
>> > fq_codel_ll
>> > root@nacktmulle:~# cat /tmp/debloat2.log
>> >
>> >
>> > No. This behavior is new.
>> >
>> > I used to be able to
>> >
>> > contents of /tmp/wtf:
>> >
>> > qdisc change dev sw10 parent 1:1 handle 10 fq_codel limit 500 quantum
>> 1000
>> > qdisc change dev sw10 parent 1:2 handle 20 fq_codel limit 1000 quantum
>> 1000
>> > qdisc change dev sw10 parent 1:3 handle 30 fq_codel limit 1000 quantum
>> 1000
>> > qdisc change dev sw10 parent 1:4 handle 40 fq_codel limit 1000 quantum
>> 1000
>> >
>> > and then
>> > cat /tmp/wtf | tc
>> >
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> >
>> >
>> >
>> > Which is how the debloat script historically did everything. Now the
>> only syntax that works is:
>> >
>> > root@cerowrt:/etc/hotplug.d/iface# tc -b /tmp/wtf
>> >
>> > I think this is a regression in tc
>> >
>> >
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> > Usage: tc [ OPTIONS ] OBJECT { COMMAND | help }
>> >        tc [-force] -batch filename
>> > where  OBJECT := { qdisc | class | filter | action | monitor }
>> >        OPTIONS := { -s[tatistics] | -d[etails] | -r[aw] | -p[retty] |
>> -b[atch] [filename] }
>> >
>> >
>> > Not sure whether that is new, as I never enabled the logs before. I
>> guess I will see what causes these… (I assume an improper set of arguments
>> to tc). And now I am trying to ind my way around debloat, but lua is
>> totally new to me...
>> >
>> >
>> > Best Regards & many thanks
>> >         Sebastian
>> >
>> >
>> >
>> > >
>> > >
>> > >
>> > > --
>> > > Dave Täht
>> > >
>> > > Fixing bufferbloat with cerowrt:
>> http://www.teklibre.com/cerowrt/subscribe.html
>> > > _______________________________________________
>> > > 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
>> >
>> >
>> >
>> > --
>> > Dave Täht
>> >
>> > Fixing bufferbloat with cerowrt:
>> http://www.teklibre.com/cerowrt/subscribe.html
>>
>>
>
>
> --
> Dave Täht
>
> Fixing bufferbloat with cerowrt:
> http://www.teklibre.com/cerowrt/subscribe.html
> _______________________________________________
> Cerowrt-devel mailing list
> Cerowrt-devel@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/cerowrt-devel
>
>
>
> _______________________________________________
> 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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