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Re: b43: force_pio must be set in your kernel conf

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On Thursday 2010-05-06 17:36, Larry Finger wrote:
>On 05/06/2010 10:16 AM, Jan Engelhardt wrote:

>> b43-phy0 ERROR: Fatal DMA error: 0x400, 0x0, 0x0, 0x0, 0x0, 0x0
>> b43-phy0 ERROR: This device does not support DMA on your system. Please 
>> use PIO instead.
>> b43-phy0 ERROR: CONFIG_B43_FORCE_PIO must be set in your kernel 
>> configuration.
>> ADDRCONF(NETDEV_UP): wlan0: link is not ready
>> 
>> So, can I get PIO mode for free without recompiling? (Since 
>> CONFIG_B43_PIO=y already.) What other info needs to be provided to help 
>> resolve this?
>> 
>> System is a 2.6.33.2-x86_64.
>
>In the latest mainline kernel (2.6.34-rc6), the fallback to PIO is
>automatic. For a 2.6.33 kernel, you will need to rebuild the kernel or
>install the latest compat-wireless package. Your distro may already
>provide it.
>
>We are working on this problem. Keep watching this list for trial
>patches. Unfortunately, none of the developers have a machine that
>suffers from this problem. It seems to be associated with Intel
>processors (mostly netbooks with Atom chips) and the Phoenix BIOS.

Seems so. 2.6.34 works, so everything's fine now.
Thanks!
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