prospects for DMA support for SiS962(L) Southbridge?
Soeren Schmidt
sos at spider.deepcore.dk
Tue Jun 17 10:04:03 PDT 2003
It seems Rich Morin wrote:
> I recently upgraded my motherboard and CPU, as:
>
> 478 pin Celeron; 2.1 GHz
> 512 MB DDR DIMM (2 ea.)
> SiS962(L) Southbridge
>
> I then found that I couldn't boot the (FreeBSD 4.7) system, getting:
>
> ad0: READ command timeout tag=0 serv=0 resetting
> ata0: resetting devices
>
> After a bunch of Googling and some discussions on freebsd-questions,
> I decided to change line 90 of /usr/src/sys/dev/ataata-disk.c to:
>
> static int ata_dma = 0;
>
> This works, but I suspect that it is slowing down my disk I/O quite a
> bit. So, I would like to know the prospects for this controller being
> supported in FreeBSD any time soon.
It is supported in 5.1.
-Søren
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