5.3 ata / atapicam issues (update)

Rob spamrefuse at yahoo.com
Thu Feb 3 05:49:19 PST 2005

--- Rob <spamrefuse at yahoo.com> wrote:

> --- "Daniel S. Haischt" wrote:
> > 
> > Can you read through the attached PR and comment
> > its contents, please?
> It's a little too technical for me, but let me add
> the components of one of my trouble PCs:
> atapci0: <VIA 82C596B UDMA66 controller>
> ad0: 43979MB <IBM-DTLA-307045/TX6OA50C>
> [89355/16/63]
>      at ata0-master PIO4
> acd0: CDROM <CRD-8520B/1.00> at ata1-master PIO4
> The harddisk can do UDMA100, but if I let FreeBSD
> 5.3
> sort it out by itself, the kernel panics at bootup.
> Modifying loader.conf, forces my fast harddisk to
> operate at PIO4 mode, which is far from optimum; it
> should at least be able to operate at UDMA66 !!
> FreeBSD 5.3 is not capable of solving this properly.
> This observation I could not find in your PR report.

Forgot to mention another PC with a brandnew
Winchester Harddisk of 80 Gb (sorry I don't have the
specs handy) and on the motherboard a chipset of
 atapci0: <VIA 82C596 ATA66 controller>

This combination does boot, but X always crashes.
Modifying the loader.conf again solves this problem.


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