Re: Inspiron 9400 freezes when enabling bfe0

["Sepherosa Ziehau" <sepherosa@xxxxxxxxx>]

On 7/13/07, Matthew Dillon <dillon@apollo.backplane.com> wrote:
> :    This implies that the BFE driver may have limited DMA range, which
> :    we can program for in the busdma setup for bfe.
> :
>
>     DING!  The FreeBSD driver limits DMA to the low 1G of ram.
>
>     Try this patch.

I think I included this in my patch :)
My question is:
Should EINPROGRESS from bus_dmamap_load() be taken as fatal error?

Best Regards,
sephe

>                                         -Matt
>                                         Matthew Dillon
>                                         <dillon@backplane.com>
>
> Index: if_bfe.c
> ===================================================================
> RCS file: /cvs/src/sys/dev/netif/bfe/if_bfe.c,v
> retrieving revision 1.30
> diff -u -p -r1.30 if_bfe.c
> --- if_bfe.c    25 Oct 2006 20:55:56 -0000      1.30
> +++ if_bfe.c    13 Jul 2007 01:04:05 -0000
> @@ -192,7 +192,7 @@
>         /* parent tag */
>         error = bus_dma_tag_create(NULL,  /* parent */
>                         PAGE_SIZE, 0,             /* alignment, boundary */
> -                       BUS_SPACE_MAXADDR_32BIT,  /* lowaddr */
> +                       0x3FFFFFFF,               /* lowaddr */
>                         BUS_SPACE_MAXADDR,        /* highaddr */
>                         NULL, NULL,               /* filter, filterarg */
>                         MAXBSIZE,                 /* maxsize */


--
Live Free or Die