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Date: Wed, 01 Feb 2006 12:49:12 -0500
To: freebsd-net@freebsd.org
From: Dan Swartzendruber <dswartz@druber.com>
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Subject: 'ifconfig ath0 scan' hangs under 6.0-STABLE
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I have an atheros PCI card (cisco aironet) operating bridged with 
fxp0.  All is working fine.  The only thing is that if I try to do a 
scan with 'ifconfig ath0 scan' (as documented in the manpage), it 
hangs.  I've let it sit for 1/2 hour and it never prints 
anything.  Hitting ctrl-C breaks out just fine.  Any ideas?

Here is output of ifconfig:

fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
         options=b<RXCSUM,TXCSUM,VLAN_MTU>
         inet6 fe80::204:23ff:febe:3847%fxp0 prefixlen 64 scopeid 0x1
         inet 10.0.0.2 netmask 0xffffff00 broadcast 10.0.0.255
         ether 00:04:23:be:38:47
         media: Ethernet autoselect (100baseTX <full-duplex>)
         status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
         inet6 ::1 prefixlen 128
         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
         inet 127.0.0.1 netmask 0xff000000
ath0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
         inet6 fe80::240:96ff:feac:3b0a%ath0 prefixlen 64 scopeid 0x3
         ether 00:40:96:ac:3b:0a
         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
         status: associated
         ssid DruberNet channel 1 bssid 00:40:96:ac:3b:0a
         authmode WPA1+WPA2/802.11i privacy MIXED deftxkey 3 TKIP 2:128-bit
         TKIP 3:128-bit txpowmax 54 protmode CTS burst dtimperiod 1
         bintval 100
bridge0: flags=8043<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
         ether ac:de:48:e9:58:05
         priority 32768 hellotime 2 fwddelay 15 maxage 20
         member: ath0 flags=7<LEARNING,DISCOVER,STP>
                 port 3 priority 128 path cost 55 forwarding
         member: fxp0 flags=7<LEARNING,DISCOVER,STP>
                 port 1 priority 128 path cost 55 forwarding