Aaron deMello (aaron@demonsys.com)
Sun, 6 Dec 1998 01:37:14 -0500
Does anyone know if there's a way to get the RAID card to work with Linux?
Or the ANS 10BaseT or 100baseT cards?
d.
> A bit of interesting news, it seems that moderately new kernels (125,129,
> etc) from vger and/or ftp://samba.anu.edu.au/pub/linux-pmac/ work pretty
> well. The biggest problems are with a funny video console (I've yet to
> get enough time to figure out how to port our video driver to the new
> style in the new kernelss) and with the internal SCSI bus on the machines.
>
> Recently, I debugged, to some degree, some oddities with the internal
> SCSI bus. It had regularly seemed that new kernels that we booted would
> panic early in the boot process because of an inability to mount the
> root filesystem. The filesystem was a std. ext2 filesystem, but the SCSI
> driver/fs code was reading in the wrong data for the superblock, causing
> it to be not recognized by the kernel's ext2 fs driver code.
>
> Well, it seems that the problem was ssolely due to booting the vmlinux
> from the internal SCSI bus. Putting an external drive on the machine,
> putting a kernel on an ext2fs partition on it, with Quik living on the
> internal hard drive, along with a root/usr/etc filesystem on it, making
> Quik boot up from OF on the internal drive, then load the kernel from
> the external hard drive, giving it arguments to use the internal hard
> drive as the root filesystem caused things to work "right."
>
> So, I'm guessing that somehow the OF is hosing the internal SCSI bus
> in such a way that the new SCSI driver code isn't recovering from
> properly. Unfortunately, the SCSI code is <sarcasm>moderately</sarcasm>
> complicated, so I don't expect to be fixing tis problem soon (I don't
> even have an idea as to where to begin at the moment). But, thanks
> to that new knowledge, my linux-ppc work for ANS's will revolve mostly
> around bringing our video driver into line with the newer kernels...
>
> -David
>
>> I'm sorry that we can't be more helpful, but both of us (Dave McWherter
>> and Dave Beck) are students who are at the same time trying to complete
>> important research grants. In defense of our "lack" of support, I
>> have to point out that, well, it works for both of our ANS 700s (a
>> 150 and a 200). I'm aware (as I am sure Dave McWherter is) that others
>> are having trouble, but we both have sent out our best ideas. The main
>> point of this list was to enable the ANS people interested in runing
>> Linux to support each other, not for Dave McWherter and myself to become
>> the sole source of ANS "support." What I would recommend, for you, at
>> this point, is to post, in full, your successes and failures with all the
>> permutations you have tried and _why_ you have tried them. If everyone
>> were to do this, we could assemble a large volume of data on what works
>> and more importantly what doesn't.
>>
>> Quoting Nic Olinsky (olinskyn@shs.sunnyside.wednet.edu):
>> > Aren't the people who posted the ANS files on hellfire the same people
>> > who run this list?
>> >
>> > Isn't anyone from hellfire monitoring this list?
>> >
>> > Doesn't the hellfire people know the trouble people are having with the
>> > files?
>> >
>> > Do you see a pattern emerging? ;-)
>> >
>> > It would be nice to hear from someone from hellfire who could tell all
>> > of us why the files aren't working, or at least give us directions on
>> > how to make them work. I assume they did work for *someone* or they
>> > wouldn't have posted them with a pointer to this list for support
>> > questions.
>> >
>> > Any listmoms out there?
>>
>> --
>> Dave Beck
>> dave@arginine.umdnj.edu Sites of interest (set 3):
>> Computer Science and Biology
>> http://selene.biochem.uga.edu/tutorial/
>> Drexel University, Philadelphia PA http://www.cold.org/
>>
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> David T. McWherter dtm@waterw.com
--- Aaron deMello - President aaron@demonsys.com Demon Systems, Inc. http://www.demonsys.com 20 St. Paul St. East, Suite 3 Phone: (514) 875-7475 Montreal, Quebec H2Y 1G3 Fax: (514) 875-7472
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