Date: Tue, 10 Mar 2015 22:06:01 +0300 From: Lev Serebryakov <lev@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: Re: Problems with AR9280 in AP mode: hang ups, DMA timeouts and stuck beacons Message-ID: <54FF4099.3000201@FreeBSD.org> In-Reply-To: <CAJ-Vmok-3wE0q=kO5XMBUn7V2SvYJqYWhmyXyiqSjEJRz2NpAQ@mail.gmail.com> References: <54FD81EE.6020503@FreeBSD.org> <CAJ-Vmo=fcoZ0KyqO8y23QXTwgi2KsT-EKtNdQChTwfNue=HeZA@mail.gmail.com> <54FE0F04.1040402@FreeBSD.org> <CAJ-Vmok-3wE0q=kO5XMBUn7V2SvYJqYWhmyXyiqSjEJRz2NpAQ@mail.gmail.com>
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On 10.03.2015 00:45, Adrian Chadd wrote:
> Compile up tools/ath/ath/athsurvey, and run it. Let's see how busy
> the air is.
Looks like "athsurvey | tee log" and "athsurvey > log" doesn't work :)
log is always empty.
Ok, here is some output (no stucks/hangs today), client receives files
via SMB to utilize channel.
(a) 19:20 MSK
min avg max
tx% rx% bc% ec% tx% rx% bc% ec% tx% rx% bc% ec%
( 2.1 4.2 7.5 0.0) ( 5.3 8.6 15.5 0.0) (26.5 23.2 38.2 0.0)
( 2.1 4.3 6.9 0.0) ( 5.1 8.2 14.6 0.0) (26.5 23.2 38.2 0.0)
( 2.1 4.3 6.9 0.0) ( 4.1 7.8 13.4 0.0) (12.3 14.3 23.7 0.0)
( 2.1 4.3 6.9 0.0) ( 5.0 8.3 14.9 0.0) (28.6 14.3 44.1 0.0)
( 2.1 4.3 7.5 0.0) ( 4.8 8.9 15.5 0.0) (28.6 14.3 44.1 0.0)
( 2.1 4.3 7.5 0.0) ( 4.7 8.6 15.1 0.0) (28.6 13.1 44.1 0.0)
( 2.2 4.8 7.9 0.0) ( 6.2 8.1 16.2 0.0) (39.1 13.1 47.0 0.0)
( 2.2 3.8 7.9 0.0) ( 6.8 8.0 17.0 0.0) (39.1 22.7 47.0 0.0)
( 2.1 3.8 8.5 0.0) ( 6.6 8.1 16.8 0.0) (39.1 22.7 47.0 0.0)
( 2.1 3.8 8.8 0.0) ( 5.0 8.4 15.3 0.0) (16.4 22.7 27.9 0.0)
( 2.1 4.6 7.9 0.0) ( 3.6 8.4 13.8 0.0) (12.7 22.7 25.9 0.0)
( 2.2 4.6 7.9 0.0) ( 4.1 8.2 14.2 0.0) (12.7 16.8 25.2 0.0)
( 2.2 4.6 7.9 0.0) ( 4.5 8.2 14.9 0.0) (12.7 16.8 25.2 0.0)
( 2.2 4.0 7.9 0.0) ( 4.5 8.1 14.8 0.0) (29.2 16.8 45.1 0.0)
( 2.2 4.0 8.5 0.0) (14.1 8.6 26.7 0.0) (55.7 16.8 77.3 0.0)
( 2.2 4.0 9.4 0.0) (29.3 9.9 45.3 0.0) (61.7 20.2 82.2 0.0)
( 2.1 5.3 9.3 0.0) (36.3 10.5 53.7 0.0) (67.6 20.2 83.7 0.0)
( 2.1 5.3 9.3 0.0) (42.9 11.8 62.2 0.0) (69.3 20.7 84.2 0.0)
( 2.1 5.3 9.3 0.0) (42.4 11.9 61.4 0.0) (72.9 20.7 87.0 0.0)
( 2.1 5.7 9.3 0.0) (44.6 10.8 62.3 0.0) (72.9 20.7 91.3 0.0)
( 2.2 5.5 9.6 0.0) (45.1 10.9 63.1 0.0) (72.9 18.1 91.3 0.0)
( 2.2 5.5 9.6 0.0) (48.0 11.2 66.6 0.0) (72.9 21.8 91.3 0.0)
( 2.1 5.4 8.2 0.0) (38.1 11.1 55.7 0.0) (64.1 21.8 85.6 0.0)
(b) 22:00 MSK, it should be worst time, as network is in resedential
area and now many of my neighborhoods use their own Wifi netwroks
min avg max
tx% rx% bc% ec% tx% rx% bc% ec% tx% rx% bc% ec%
(37.8 7.8 48.2 0.0) (70.3 15.3 87.2 0.0) (80.6 25.0 96.0 0.0)
(47.7 7.8 66.4 0.0) (71.5 15.2 88.4 0.0) (83.8 25.0 96.0 0.0)
(35.0 7.8 49.4 0.0) (70.7 13.6 86.0 0.0) (85.1 25.0 96.0 0.0)
(35.0 8.0 49.4 0.0) (70.4 12.3 84.6 0.0) (85.1 17.2 95.4 0.0)
( 6.4 8.0 16.7 0.0) (66.1 11.7 79.6 0.0) (85.1 16.7 94.5 0.0)
( 6.4 8.0 16.7 0.0) (66.5 12.4 80.8 0.0) (85.1 21.3 94.5 0.0)
( 6.4 8.8 16.7 0.0) (60.8 14.4 77.8 0.0) (82.8 22.7 94.2 0.0)
(33.0 9.6 54.1 0.0) (64.2 15.1 82.5 0.0) (82.8 22.7 94.2 0.0)
(33.0 9.2 54.1 0.0) (64.3 15.0 82.6 0.0) (83.8 22.7 94.8 0.0)
(45.2 8.8 62.2 0.0) (70.9 13.2 86.5 0.0) (83.8 22.7 94.8 0.0)
( 1.9 6.1 15.0 0.0) (68.9 12.5 83.3 0.0) (87.4 26.2 94.9 0.0)
( 1.9 6.1 15.0 0.0) (64.5 12.7 79.0 0.0) (87.4 26.2 94.9 0.0)
( 1.9 6.1 15.0 0.0) (59.8 12.3 73.7 0.0) (87.4 26.2 94.9 0.0)
( 1.9 8.1 15.0 0.0) (60.4 11.8 73.8 0.0) (82.9 17.2 95.2 0.0)
( 5.6 8.1 16.2 0.0) (68.4 11.5 81.8 0.0) (82.9 20.2 95.2 0.0)
(40.9 7.8 54.6 0.0) (72.2 11.8 85.9 0.0) (81.7 20.2 95.2 0.0)
(40.9 7.3 54.6 0.0) (71.1 12.0 84.9 0.0) (81.7 24.2 93.9 0.0)
( 2.3 7.3 14.2 0.0) (63.4 12.7 77.7 0.0) (81.5 24.2 93.9 0.0)
( 2.3 7.3 14.2 0.0) (62.8 13.1 77.5 0.0) (83.1 24.2 94.4 0.0)
( 2.3 7.6 14.2 0.0) (61.9 13.4 77.1 0.0) (83.1 19.9 94.4 0.0)
(12.1 7.6 25.8 0.0) (65.4 13.7 81.0 0.0) (83.1 19.9 94.7 0.0)
(37.3 8.2 59.9 0.0) (65.2 13.8 81.0 0.0) (82.4 27.5 94.7 0.0)
(37.3 8.1 58.7 0.0) (64.6 13.6 80.1 0.0) (82.4 27.5 94.7 0.0)
min avg max
tx% rx% bc% ec% tx% rx% bc% ec% tx% rx% bc% ec%
(37.3 8.1 58.7 0.0) (64.7 13.6 80.2 0.0) (81.1 27.5 93.3 0.0)
(37.5 8.1 58.7 0.0) (66.4 14.1 82.4 0.0) (82.4 27.5 94.6 0.0)
(44.2 8.1 63.5 0.0) (68.2 14.0 84.1 0.0) (82.4 18.7 94.6 0.0)
(31.5 9.3 52.4 0.0) (67.0 14.3 83.2 0.0) (82.4 19.4 94.6 0.0)
(31.5 9.3 52.4 0.0) (66.7 13.5 82.2 0.0) (83.1 19.4 94.6 0.0)
(31.5 8.6 52.4 0.0) (66.4 13.2 81.6 0.0) (83.4 19.4 94.4 0.0)
(46.2 8.6 62.5 0.0) (67.6 13.2 82.9 0.0) (83.4 19.0 94.4 0.0)
(46.2 8.6 67.1 0.0) (68.6 13.3 84.0 0.0) (83.4 19.8 94.4 0.0)
(40.0 9.3 68.0 0.0) (67.2 13.6 82.7 0.0) (83.9 25.5 95.1 0.0)
(40.0 6.5 65.0 0.0) (67.4 13.6 82.9 0.0) (87.8 25.5 95.3 0.0)
(40.0 6.5 61.9 0.0) (67.6 13.3 82.9 0.0) (87.8 25.5 95.3 0.0)
(40.8 6.5 57.5 0.0) (62.2 13.1 78.4 0.0) (87.8 21.8 95.3 0.0)
(36.3 6.6 53.6 0.0) (55.1 13.6 72.8 0.0) (83.1 20.9 94.0 0.0)
(30.2 6.6 46.1 0.0) (47.3 14.0 66.5 0.0) (83.1 22.1 92.4 0.0)
(29.4 7.9 46.1 0.0) (47.3 14.4 66.7 0.0) (71.7 22.1 83.9 0.0)
(29.4 7.9 46.1 0.0) (48.2 15.0 68.0 0.0) (71.7 25.0 86.9 0.0)
(29.4 8.8 54.9 0.0) (50.2 15.2 70.3 0.0) (71.7 25.0 86.9 0.0)
(30.2 9.5 59.1 0.0) (47.7 15.7 68.4 0.0) (70.9 31.2 86.9 0.0)
(30.2 8.4 50.8 0.0) (45.8 15.7 66.7 0.0) (68.1 31.2 82.0 0.0)
( 2.2 7.4 10.0 0.0) (37.6 14.9 56.6 0.0) (68.1 31.2 82.0 0.0)
( 2.1 7.4 10.0 0.0) (26.6 13.7 43.3 0.0) (68.1 28.4 82.0 0.0)
( 2.1 7.4 10.0 0.0) (34.4 12.2 49.2 0.0) (79.1 28.4 93.0 0.0)
( 2.1 7.4 10.0 0.0) (44.6 12.7 60.5 0.0) (79.1 23.9 93.0 0.0)
- --
// Lev Serebryakov
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