wi interface with Netgear 301/401 flakey

Hi all,

I've had two crashes of my FreeBSD 4.6-STABLE, dated Sun 4 Aug,
while using my wireless lan.

In my FreeBSD box I'm using a Netgear MA401 in a MA301 PCI cradle. The
client machine is a WinXP box running a MA401.

This evenings crash occured while traffic was very light, I just had
a ssh and a IMAP session up.

The FreeBSD box has the wi0 interface setup as follows

wi0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255
        ether 00:30:ab:1a:06:c6
        media: IEEE 802.11 Wireless Ethernet DS/11Mbps <hostap>
        status: associated
        ssid GavinsHomeNetwork 1:GavinsHomeNetwork
        stationname "FreeBSD WaveLAN/IEEE node"
        channel 3 authmode OPEN powersavemode OFF powersavesleep 100
        wepmode MIXED weptxkey 3
        wepkey 1:128-bit wepkey 2:128-bit wepkey 3:128-bit wepkey 4:128-bit

When this interface goes belly up all networking to the box dies and
a reboot is required.

While tring to reboot, which took about 10 minutes from issuing the reboot
command until the machine actually rebooted, a vast number of wi0 errors
were written to the console.

These messages included

Aug  6 23:01:29 chip /kernel: wi0: timeout in wi_seek to fc28/0; last status
800b
Aug  6 23:01:29 chip /kernel: wi0: timeout in wi_seek to fc23/0; last status
800b
Aug  6 23:01:29 chip /kernel: wi0: timeout in wi_seek to fc24/0; last status
800b
Aug  6 23:01:29 chip /kernel: wi0: timeout in wi_seek to fc2a/0; last status
800b
Aug  6 23:01:29 chip /kernel: wi0: timeout in wi_seek to fc80/0; last status
800b
Aug  6 23:01:29 chip /kernel: wi0: wi_cmd: busy bit won't clear.
Aug  6 23:01:29 chip /kernel: wi0: wi_cmd: busy bit won't clear.
Aug  6 23:01:29 chip /kernel: wi0: failed to allocate 1594 bytes on NIC
Aug  6 23:01:29 chip /kernel: wi0: tx buffer allocation failed
Aug  6 23:01:29 chip /kernel: wi0: wi_cmd: busy bit won't clear.
Aug  6 23:01:29 chip /kernel: wi0: failed to allocate 1594 bytes on NIC
Aug  6 23:01:29 chip /kernel: wi0: mgmt. buffer allocation failed
Aug  6 23:02:34 chip /kernel: wi0: wi_cmd: busy bit won't clear.
Aug  6 23:03:34 chip /kernel: wi0: wi_cmd: busy bit won't clear.
Aug  6 23:04:34 chip /kernel: wi0: wi_cmd: busy bit won't clear.

Any ideas?

Thanks in advance,

Gavin


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