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Date:      Wed, 1 May 2013 00:07:14 +0400
From:      Lev Serebryakov <lev@FreeBSD.org>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-wireless@freebsd.org
Subject:   Re: New hardware, old problem: stuck beacon when here is WiFi traffic
Message-ID:  <146903383.20130501000714@serebryakov.spb.ru>
In-Reply-To: <CAJ-VmonQXyB_Aik-ApSmgRqT3yhD5Bqrx3zj%2BKM%2BitVmZhY0TQ@mail.gmail.com>
References:  <2810538978.20130423164137@serebryakov.spb.ru> <CAJ-Vmom4UDoz7EgdnVeQ%2BALuFFXkH9t_Uj7=FwL77S5rKfUD1g@mail.gmail.com> <1813905823.20130423184528@serebryakov.spb.ru> <CAJ-VmomhRaKODxis09MjAhUbAUOw%2B6jWBY48JpZR_JgfZZLKcQ@mail.gmail.com> <184105677.20130424002002@serebryakov.spb.ru> <CAJ-VmokVmHDXwE7S5koSqtFjPXQ_VUPhj8gfMruDM2k-DyUMPw@mail.gmail.com> <1936997795.20130424003555@serebryakov.spb.ru> <CAJ-Vmokx2QhcjcsgA-_kqjX63Vu4CLk7HkuyALautbnzp61ywQ@mail.gmail.com> <886711115.20130424004702@serebryakov.spb.ru> <CAJ-VmoksSTBC7jmC-_hvBeJFSD0k28HoZodaWdHm0AF0d1yZJg@mail.gmail.com> <6010292503.20130426001447@serebryakov.spb.ru> <CAJ-VmomUsPgHTVGaKHZ_YE%2Bu1ZOjGqrVfh2uYmvOs6gKmhnxOw@mail.gmail.com> <CAJ-VmokZBbmHbruKJV-8kvTyOTsiq5_XHnfqUYo3vO68872Q=w@mail.gmail.com> <99510815.20130426122508@serebryakov.spb.ru> <CAJ-VmoktRPbnDRbRuwA4i8w50kExs2pwD4yBawL6iOz7F4Bknw@mail.gmail.com> <CAJ-VmonCao99MOrm97tQS_f1xS9tieQfg-nQUB4APWVmdJJUBg@mail.gmail.com> <CAJ-VmokLKdwckXjzH64P=mYm9pZQzkCkJhDV4i ojzJehXmJLLA@mail.gmail.com> <725880393.20130429004352@serebryakov.spb.ru> <CAJ-Vmokz=0rZM-nHtt9S%2Ba-SxRLuyP%2ByDhSAbLpr0xFS%2BpO3vA@mail.gmail.com> <187241224.20130429113623@serebryakov.spb.ru> <CAJ-Vmo=MzeJsKHfVoipPQqCRmkOHWk6p-iZNaXDwye6oG%2B76xg@mail.gmail.com> <CAJ-Vmo=b-kBDWKz=Y709kYEsYQt3ZRczCN0wG9zDRk=sR60%2Btg@mail.gmail.com> <124956607.20130430122459@serebryakov.spb.ru> <CAJ-VmonQXyB_Aik-ApSmgRqT3yhD5Bqrx3zj%2BKM%2BitVmZhY0TQ@mail.gmail.com>

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Hello, Adrian.
You wrote 30 =D0=B0=D0=BF=D1=80=D0=B5=D0=BB=D1=8F 2013 =D0=B3., 19:41:12:

>>   Warm-up:  120  seconds  of  TCP, throughput osculate between 50 and
>>   100Mbit/, several BAR resets, no hangs.
AC> Ok. But did it negotiate A-MPDU?
  I'm not sure. Both ends showed typical N speeds (Windows in
  connection  properties, FreeBSD in "list sta").

AC> It's fine. We'll worry about aggregation later.
  Yep.

AC> So here we go:
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_stoptxdma: tx queue [9]
AC> 0xd8c3000, link 0
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_tx_stopdma: tx queue [0] 0,
AC> active=3D0, hwpending=3D0, flags 0x00000000, link 0
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_tx_stopdma: tx queue [1]
AC> 0xc720ed00, active=3D0, hwpending=3D0, flags 0x00000000, link 0
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_tx_stopdma: tx queue [2] 0,
AC> active=3D0, hwpending=3D0, flags 0x00000000, link 0
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_tx_stopdma: tx queue [3]
AC> 0xd8bec00, active=3D0, hwpending=3D0, flags 0x00000000, link 0
AC> Apr 30 12:21:26 gateway kernel: ath0: ath_tx_stopdma: tx queue [8]
AC> 0xc720d2c0, active=3D0, hwpending=3D0, flags 0x00000000, link 0

AC> Notice how the hardware queue isn't active at all. There's frames in
AC> the TXQ and the hardware points to the next frame to transmit (but you
AC> didn't provide the whole list of frames that were in the TXQ, so I'm
AC> going on what it said before.)
 I've provided everything I've had in log :)

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>




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