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Date: Fri, 12 Jan 2007 20:14:39 -0800
From: Sam Leffler <sam@errno.com>
Organization: Errno Consulting
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To: Trigve Siver <trigves@yahoo.com>
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Cc: freebsd-hardware@freebsd.org
Subject: Re: DWL-G520 low signal, low speed
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Trigve Siver wrote:
> Hi,
> I have a problem with my wifi DWL G520 atheros chip based card... I have low signal only 20-30% and also a low speed 5-11 Mbit/s..router is only 1-2 m away from me and with gentoo I have 90% signal strength..I'm using FreeBSD 6.2 PRERELEASE
> 
> $ dmesg -a |grep ath     
> ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
> ath0: <Atheros 5212> mem 0xe7000000-0xe700ffff irq 19 at device 2.0 on pci2
> ath0: Ethernet address: 00:17:9a:af:62:da
> ath0: mac 7.9 phy 4.5 radio 5.6
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 150
> 
> rc.conf:
> ifconfig_ath0="WPA inet 192.168.1.15  netmask 255.255.255.0 mode 11g"
> 
> $ ifconfig ath0   
> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         inet 192.168.1.15 netmask 0xffffff00 broadcast 192.168.1.255
>         ether 00:17:9a:af:62:da
>         media: IEEE 802.11 Wireless Ethernet autoselect mode 11g (DS/11Mbps)
>         status: associated
>         ssid 3Com channel 1 bssid 00:12:a9:c4:41:22
>         authmode WPA privacy ON deftxkey UNDEF TKIP 3:128-bit txpowmax 36
>         bmiss 7 protmode CTS burst roaming MANUAL bintval 100
> 
> Anyone could help?

I see no indication of rssi on freebsd or any statistics to show issues
with lost packets.  gentoo likely uses madwifi which uses the same hal
(or older) than what is in freebsd.  As such I'd expect no difference in
operation wrt signal or link level behaviour.

	Sam