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Date:      Wed, 21 Nov 2018 08:29:20 -0800
From:      Adrian Chadd <adrian.chadd@gmail.com>
To:        arcade@b1t.name
Cc:        "freebsd-wireless@freebsd.org" <wireless@freebsd.org>
Subject:   Re: Atheros 9220 - losing connectivity
Message-ID:  <CAJ-Vmom3c9kSfP-iZOZ8TNd-GCYkk9gFJXX=onUSZtwCmHq5iw@mail.gmail.com>
In-Reply-To: <104c69b4-ba9e-2ded-3e42-ff631b52087d@b1t.name>
References:  <421db909-9c41-15bf-5ee1-b91311185321@b1t.name> <CAJ-Vmone7PaZnpCsq-pR5kRiiTmRYB836-gGKDeW1TndvMV6tA@mail.gmail.com> <fd9ec459-6396-4662-197c-b60d8bcb4ec0@b1t.name> <CAJ-VmomxDc056crL_Hi=3oBGxxut_j14h4xmA_fX1kfFYLmiuw@mail.gmail.com> <104c69b4-ba9e-2ded-3e42-ff631b52087d@b1t.name>

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what's a channel survey give? is it on a very busy channel? Is there a
nearby device?


-a


On Wed, 21 Nov 2018 at 07:28, Volodymyr Kostyrko <arcade@b1t.name> wrote:

> On 16.11.18 00:02, Adrian Chadd wrote:
> > ok, interesting. I'll see if I can reproduce it later next week. I
> haven't
> > changed much on the AR9220 HAL...
>
> Though I'm already not quite sure that's about wireless:
>
> Client side:
>
> 64 bytes from 172.29.1.1: icmp_seq=3484 ttl=64 time=6769.941 ms
> 64 bytes from 172.29.1.1: icmp_seq=3485 ttl=64 time=5759.887 ms
> 64 bytes from 172.29.1.1: icmp_seq=3486 ttl=64 time=4749.831 ms
> 64 bytes from 172.29.1.1: icmp_seq=3491 ttl=64 time=1079.225 ms
> ping: sendto: Network is down
> ping: sendto: Network is down
> 64 bytes from 172.29.1.1: icmp_seq=3543 ttl=64 time=3.459 ms
> 64 bytes from 172.29.1.1: icmp_seq=3544 ttl=64 time=0.765 ms
> 64 bytes from 172.29.1.1: icmp_seq=3545 ttl=64 time=0.764 ms
>
> Server side:
>
> 17:16:13.780615 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3484, length 64
> 17:16:13.780626 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3484, length 64
> 17:16:13.780665 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3485, length 64
> 17:16:13.780671 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3485, length 64
> 17:16:13.780798 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3486, length 64
> 17:16:13.780806 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3486, length 64
> 17:16:13.901127 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 1209 unreachable, length 36
> 17:16:13.926867 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 1209 unreachable, length 36
> 17:16:13.926901 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 2265 unreachable, length 36
> 17:16:13.953174 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 2265 unreachable, length 36
> 17:16:14.255022 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3491, length 64
> 17:16:14.255043 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3491, length 64
> 17:16:14.666831 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 1549 unreachable, length 36
> 17:16:14.666847 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 1191 unreachable, length 36
> 17:16:14.666853 IP 172.29.1.147 > 172.29.1.1: ICMP 172.29.1.147 udp port
> 1626 unreachable, length 36
> 17:16:15.268339 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3492, length 64
> 17:16:15.268376 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3492, length 64
> 17:16:16.292245 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3493, length 64
> 17:16:16.292265 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3493, length 64
> 17:16:17.326008 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3494, length 64
> 17:16:17.326050 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3494, length 64
> 17:16:18.306333 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3495, length 64
> 17:16:18.306349 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3495, length 64
> 17:16:19.305307 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3496, length 64
> 17:16:19.305341 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3496, length 64
> 17:16:20.316914 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3497, length 64
> 17:16:20.316951 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3497, length 64
> 17:16:21.358600 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3498, length 64
> 17:16:21.358627 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3498, length 64
> 17:16:22.667213 IP 172.29.1.147 > 172.29.1.1: ICMP echo request, id
> 61963, seq 3499, length 64
> 17:16:22.667240 IP 172.29.1.1 > 172.29.1.147: ICMP echo reply, id 61963,
> seq 3499, length 64
>
> 1. Everything works.
> 2. Packets 3487 - 3490 doesn't reach server.
> 3. Packet 3491 hits.
> 4. Packets 3492 - 3540 doesn't reach client.
> 5. I frob the client link.
> 6. 2 packets went nowhere while connection gets established.
> 7. Everything works.
>
> No bstuck increments in the process.
>
> --
> Sphinx of black quartz judge my vow.
>



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