Ubuntu
linux-source-2.6.15 package

  1. Bug #38912
  2. Comment #23

Comment 23 for bug 38912

Revision history for this message
tonfa (bboissin) wrote : Re: [Bug 38912] Re: [Bug 38912] Re: Broadcom Woes with +1 GB of RAM

On Tue, Jun 13, 2006 at 02:45:35PM +0200, Benoit Boissinot wrote:
> On Tue, Jun 13, 2006 at 12:28:40PM -0000, Ben Collins wrote:
> > It seems like to me that the bug is not so much in the bcm43xx driver,
> > but in the architectures dma allocation routines. The driver correctly
> > sets DMA_30BIT_MASK for the device, but still seems to be getting > 30
> > bit dma addresses from the allocator.
> >
> > Not sure how this can be fixed.
>
> Did you follow the thread on the lkml ? I believe it was fixed, I could
> search it if you want.
>

A fix is included in .17-rc3

"Olof Johansson:
      powerpc: IOMMU support for honoring dma_mask"

I believe the driver was "fixed" to fallback to non-dma mode too, but I
cannot remember what the final conclusion was.

regards,

Benoit

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