DWL-G520 low signal, low speed

[Sam Leffler]

Milan Obuch wrote:
> On Saturday 13 January 2007 05:14, Sam Leffler wrote:
>> 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.
>>
> 
> Unfortunately, this is the case here too. On one link, approx. 3 km distance, 
> I got no link with both sides FreeBSD, athstats reported rssi 6 when one side 
> was changed to Linux with madwifi, and rssi 23 when both sides were Linux. I 
> was forced to use Linux on all radio links due this. I would like to repeat 
> this test indoor, but did not have time yet. This drives me crazy because I 
> am forced to use system I don't like :(

Makes no sense but there's not much I can say.  I know how both drivers
work and there's no reason for it.

	Sam