Problem with BCM4312 802.11b/g [14e4:4315]

Gábor Stefanik netrolller.3d at gmail.com
Sat Aug 21 16:19:57 EDT 2010


On Sat, Aug 21, 2010 at 8:04 PM, Larry Finger <Larry.Finger at lwfinger.net> wrote:
> On 08/21/2010 12:46 PM, Cyrille wrote:
>>
>> Thanx !
>>
>>> You should put it in b43, not b43-open - b43-open is only for
>>> OpenFWWF. (It is not actually "specific to BLAG" - all distros can use
>>> it to house OpenFWWF.) And OpenFWWF doesn't support LP-PHY.
>>
>>
>> but even with b43 i had same errors.
>>
>>
>> I try this http://wireless.kernel.org/en/users/Drivers/b43#device_firmware_installation
>> (Section : You are using the b43 driver with an LP-PHY card (e.g. BCM4312))
>> but don't work.
>>
>>
>> What method recommends you to install this driver?
>
> If you want to use open software for everything, there is no way to operate the
> BCM4312 802.11b/g card with a PCI ID of 14e4:4315. The open-source driver b43
> needs the firmware extracted with fwcutter, and that firmware is not open
> source. The Broadcom hybrid driver is the only other option; however, it is
> worse as the driver code and the firmware are both closed source.
>
> If you want to use the card, you will need to find a way to relax the
> restriction on closed-source firmware or find another distro.
>
> I do not like the idea of having to use closed-source firmware, but at least it
> cannot cause your kernel to go crazy and destroy your file system the way a
> closed-source driver could.
>
> Larry
>
>
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>

One thing to try: the latest stable compat-wireless release. It will
bypass any driver modifications done by BLAG, and give you a b43 that
will accept Broadcom's firmware.



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