prospects for DMA support for SiS962(L) Southbridge?

[Soren Schmidt]

It seems Rich Morin wrote:
> With FreeBSD 4.9 on the horizon, I thought I might bring this up again...
> 

There is no time for this on 4.9 (at least if it should be done properly.
5.1 has support for all SiS chipsets...

> At 10:01 AM -0700 6/17/03, 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.
> -- 
> email: rdm at cfcl.com; phone: +1 650-873-7841
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-Søren