Re: bootstrap: panic: ... invalid IO size
On Sat, Oct 14, 2000 at 11:55:26AM -0700, Steve Bowman wrote:
[deletia]
> > It took some fiddling, but I use the root= command to determine that
> > this drive was called hd1. It must think that hd0 is the SCSI drive
> > because the BIOS is configured to boot to the SCSI controller. I
> > found the kernel using root=hd1s3. Then, when the kernel booted, it
> > didn't like that, so I tried hd2s3 and received the above message.
>
> You got this error trying hd2s3 but you found the kernel on hd1s3?
> What was the problem with hd1s3?
That's what's strange. Let me summarize.
According to the documentation, the first hard drive, no matter what
else is in the system, is named hd0. The third partition (slice) on
this device would be hd0s3.
According to GRUB, there is no hd0s3. It does find hd1s3 to have the
correct signatures, partition type and fs type. I suspect that the
BIOS may be lying about the devices so that it can boot the SCSI
disk.
When I use the GRUB command
kernel=/boot/gnumach.gz root=hd1s3 -s
and boot, it reports that there is no hd1s3. The partition check
concurs. It tells me that there is an sd0 and an hd2. At the prompt,
I give hd2s3 as the root partition and I'm greeted with the message I
previously reported.
> Also, can I assume you created the partition with -O sparse_super -o
> hurd since you "followed the instructions carefully"? :-)
Indeed. I verified it with tune2fs.
> >
> > Is this a message printed when I refer to a non-existent device?
>
> Looks like a good guess.
Yet, I don't believe that that is what it means since I get a
different error when I use a verifiably non-existent device spec such
as sd5 or hd5.
>
> --
> Steve Bowman <sbowman@frostwork.net> (preferred)
> Buckeye, AZ <sbowman@goodnet.com> <bowmanc@acm.org>
> <http://www.goodnet.com/~sbowman/>
>
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