Date: Wed, 28 Jan 2004 14:32:53 +0000 From: Randy Bush <randy@psg.com> To: FreeBSD Current <freebsd-current@freebsd.org> Subject: ath seeming to lose carrier arbitrarily Message-ID: <E1AlqkP-00094C-IC@psg.com>
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thinkpad t40p
current as of today
connectivity is fine
# ping psg.com
PING psg.com (147.28.0.62): 56 data bytes
64 bytes from 147.28.0.62: icmp_seq=0 ttl=44 time=176.850 ms
64 bytes from 147.28.0.62: icmp_seq=1 ttl=44 time=172.591 ms
^C
--- psg.com ping statistics ---
2 packets transmitted, 2 packets received, 0% packet loss
round-trip min/avg/max/stddev = 172.591/174.721/176.850/2.129 ms
some time later, suddenly, connectivity seems to have gone away
# ping psg.com
PING psg.com (147.28.0.62): 56 data bytes
ping: sendto: No buffer space available
ping: sendto: No buffer space available
^C
--- psg.com ping statistics ---
2 packets transmitted, 0 packets received, 100% packet loss
hmmm. it dropped carrier.
well, just ifconfig it manually
# ifconfig ath0 mode 11b ssid ripemtg channel 6
no immediate result
# ifconfig ath0
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 193.0.9.131 netmask 0xfffffe00 broadcast 193.0.9.255
ether 00:05:4e:41:ee:cd
media: IEEE 802.11 Wireless Ethernet autoselect mode 11b (DS/1Mbps)
status: no carrier
ssid ripemtg 1:ripemtg
channel 6 authmode OPEN powersavemode OFF powersavesleep 100
wepmode OFF weptxkey 1
but ten seconds later, it is magically ok
# ifconfig ath0
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 193.0.9.131 netmask 0xfffffe00 broadcast 193.0.9.255
ether 00:05:4e:41:ee:cd
media: IEEE 802.11 Wireless Ethernet autoselect mode 11b (DS/11Mbps)
status: associated
ssid ripemtg 1:ripemtg
channel 6 authmode OPEN powersavemode OFF powersavesleep 100
wepmode OFF weptxkey 1
no one sitting near me at the ripe meeting sees a carrier drop
randy
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