if_wpi is all kinds of broken

Dominic Fandrey kamikaze at bsdforen.de
Sat May 22 13:18:32 UTC 2010

On 17/05/2010 23:38, Dominic Fandrey wrote:
> On 17/05/2010 23:29, Warren Block wrote:
>> On Mon, 17 May 2010, Christian Walther wrote:
>>> Hi,
>>> On 17 May 2010 17:05, Warren Block <wblock at wonkity.com> wrote:
>>>> On Mon, 17 May 2010, Dominic Fandrey wrote:
>>>>> [...]
>>>> The ipw card in my T42 is the older mini-PCI (no "e").
>>> Yes, and replacing this card is a problem, because the wireless card
>>> in many IBM Thinkpad Laptops have a custom firmware, and the cards ID
>>> is listed in the laptops BIOS. It won't work with any card not listed
>>> there. There are ways to either flash the cards firmware or the BIOS
>>> list, but I don't think that it's worth it.
>> Just because I have this link handy:
>>   http://www.paul.sladen.org/thinkpad-r31/wifi-card-pci-ids.html
>> That also has a link to some information on HP's version of the same thing.
> The official genuine parts list for my notebook only lists Intel and
> Boradcom wireless modules. So I suppose I'll just have to risk
> buying a PCIe Atheros that I cannot use.

OK, this didn't really come as a surprise, the BIOS doesn't like
	104-Unsupported wireless network device detected.
	System halted. Remove device and restart.

I'm currently bypassing this by hotswapping the device after
passing the BIOS check and I have to say, the Atheros device
works great! No package loss, no interrupted connections ...
even though I'm not very close to the AP.

I put the connection under serious stress and it just keeps
on working. It actually appears to be /reliable/. A term I
never dared dream to apply to wireless networking.

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