Atheros 9220 - losing connectivity

[Volodymyr Kostyrko]

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.