Date: Tue, 19 Jan 1999 21:33:19 -0600 (CST) From: koziol@ncsa.uiuc.edu To: shimon@simon-shapiro.org Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: DPT problems Message-ID: <199901200333.VAA01491@hawkwind.ncsa.uiuc.edu> In-Reply-To: <XFMail.990119232013.shimon@simon-shapiro.org> from Simon Shapiro at "Jan 19, 1999 11:20:13 pm"
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Hi Simon,
I was hoping you'd be watching the list... :-)
> koziol@ncsa.uiuc.edu, On 19-Jan-99 you wrote:
> > Howdy,
> > I'm running 3.0-release (and impatiently waiting for the 3.0-stable
> > release tomorrow.. :-) on an SMP box with an Adaptec 3940AUW on the Tyan
> > S1836DLUAN motherboard. I've installed a DPT PM2654U2-R with 16MB of
> > cache
> > RAM in the system also, but I can't get the kernel to recognize my hard
> > drive
> > when it is trying to mount root, near the end of the booting process.
> > It
> > gets as far as saying "changing root device to da0s1a" and then whines
> > about
> > not finding the drive to mount as root. This is weird to me, since it's
> > gotten
> > this far by reading the kernel from the drive.. :-? I've attached my
> > kernel
> > config file below, can anyone point out any obvious problems? Perhaps
> > this is
> > already fixed in the current->stable tree and I can just download the
> > stable
> > source tomorrow when it's released? (knock on wood :-) I'm currently
> > running
> > fine (but slower than I want) from the on-board Adaptec controller.
> >
> > Thanks for any help,
> > Quincey Koziol
> > koziol@ncsa.uiuc.edu
>
> Please help me out here. What exactly is a PM2654U2-R ?
> I it by any chance a SmartCace V? One of the i2o, i960 based cards?
> If so, I do not have the driver completed yet. If not, please give me some
> more hardware details...
Yes, it is a SmartCache V with the newer I2O & i960, etc. I noticed your
posting that you are working on the driver for it, which is great! Do you have
a good idea about when you might be finished? I'm a little cautious about
being a beta tester (this machine is important and not backed up yet), but I'd
like to help out if it'll help you get the driver written more quickly/easily.
> BTW, it is very feasible for a DPT to allow you to boot, but not run; the
> boot code uses BIOS calls and the DPT card emulates IDE via the SCSI BIOS.
> The kernel, of course, does not use the BIOS, thus it sees but it does
> not...
Hmm, is there a way to enable the driver to use IDE calls until you
finish the "native" driver for the card?
Thanks,
Quincey
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