Discussion:
Atheros AT5424 (ath) issue on 6.2 (amd65)
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Z Ero
2018-04-16 04:10:15 UTC
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Hello,

I experience an intermittent issue with my Atheros wifi card or the
OpenBSD driver for it on 6.2.

What happens is that it seems to drop out of the network ocassionally.
I am sitting in the same room as the access point so it can't be a
signal problem.

I have found that bringing the interface down and them back up and
renewing the DHCP lease seems to solve the problem.

Also, OpenBSD does not seem to realize the problem is solved until I
test the link with a ping.

E.g even after the interface is toggled on/off and the lease is
renewed firefox will still be waiting for a page to load until I ping.

That seems strange.

I wonder if it is a hardware / thermal problem with the card. The area
the card is in in my machine is pretty hot.

This is a pretty minor issue and I could try another wifi card sometime...

I am just wondering if anyone has any insight into other possible causes.

Thanks.
Z Ero
2018-04-16 04:12:18 UTC
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Amd64. Fat fingers...
Post by Z Ero
Hello,
I experience an intermittent issue with my Atheros wifi card or the
OpenBSD driver for it on 6.2.
What happens is that it seems to drop out of the network ocassionally.
I am sitting in the same room as the access point so it can't be a
signal problem.
I have found that bringing the interface down and them back up and
renewing the DHCP lease seems to solve the problem.
Also, OpenBSD does not seem to realize the problem is solved until I
test the link with a ping.
E.g even after the interface is toggled on/off and the lease is
renewed firefox will still be waiting for a page to load until I ping.
That seems strange.
I wonder if it is a hardware / thermal problem with the card. The area
the card is in in my machine is pretty hot.
This is a pretty minor issue and I could try another wifi card sometime...
I am just wondering if anyone has any insight into other possible causes.
Thanks.
Z Ero
2018-04-16 04:13:06 UTC
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# ifconfig ath0 down
# ifcondig ath0 up
ksh: ifcondig: not found
# ifconfig ath0 up
# dhclient ath0
ath0: DHCPREQUEST to 255.255.255.255
ath0: DHCPACK from 192.168.0.1 (00:00:24:cd:c6:01)
ath0: bound to 192.168.0.22 -- renewal in 21600 seconds
# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: icmp_seq=0 ttl=60 time=130.032 ms
64 bytes from 8.8.8.8: icmp_seq=1 ttl=60 time=163.518 ms
^C
--- 8.8.8.8 ping statistics ---
2 packets transmitted, 2 packets received, 0.0% packet loss
round-trip min/avg/max/std-dev = 130.032/146.775/163.518/16.743 ms
# dmesg | grep ath0*
mpath0 at root
scsibus0 at mpath0: 256 targets
ath0 at pci2 dev 0 function 0 "Atheros AR5212" rev 0x01: apic 1 int 17
ath0: AR5424 10.3 phy 6.1 rf5424 10.2 eeprom 5.3, WOR2W, address
00:19:7e:43:c6:6b
Post by Z Ero
Amd64. Fat fingers...
Post by Z Ero
Hello,
I experience an intermittent issue with my Atheros wifi card or the
OpenBSD driver for it on 6.2.
What happens is that it seems to drop out of the network ocassionally.
I am sitting in the same room as the access point so it can't be a
signal problem.
I have found that bringing the interface down and them back up and
renewing the DHCP lease seems to solve the problem.
Also, OpenBSD does not seem to realize the problem is solved until I
test the link with a ping.
E.g even after the interface is toggled on/off and the lease is
renewed firefox will still be waiting for a page to load until I ping.
That seems strange.
I wonder if it is a hardware / thermal problem with the card. The area
the card is in in my machine is pretty hot.
This is a pretty minor issue and I could try another wifi card sometime...
I am just wondering if anyone has any insight into other possible causes.
Thanks.
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