On Thu, 23 Oct 2003 13:02:54 -0500
"Jordan T. Cox" <nowhere@phantomdata.com> wrote:

> jasper wrote:
>
> > On Wed, 22 Oct 2003 00:38:14 +0000, Jeroen Geilman
> > <nospam@notadaptr.nl> wrote:
> >
> >
> >>jasper <jim101@starstream.net> randomly warbled in alt.os.linux.gentoo:
> >>
> >>
> >>>I have been running Mandrake linux for a few years. I decided to try
> >>>Gentoo 1.4. I d/l'ed the two cd iso's and burned them to cd's. I boot,
> >>>enter "smp" at the boot prompt and hit enter.
> >>
> >>You *do* have more than one processor, I assume?
> >>
> >>
> >>>The next screen to come up asks for a runlevel to enter.
> >>
> >>It shouldn't.
> >>
> >>Not helpful, I know - have you checked the md5 sum of the ISO image?
> >>
> >>
> >>>I have tried 1 thru 5. Each time, I
> >>>get the message that nothing remains at this run level.
> >>
> >>Seriously b0rked boot, then... Are you sure the image was not corrupted
> >>somehow ?
> >>
> >>
> >>>Now what do I do?
> >>
> >>Check the md5 sum of the bootable cd, and download it again (with a good
> >>download utility) when it's incorrect...
> >
> >
> > Yes, I have a dual processor system.
> >
> > I checked the md5sum of the iso's after d/l'ing them. They were
> > correct. However, I had burnt the cd's at a fast pace (40x). Now, I
> > reburnt the first cd at a slower rate, and it is working fine.
>
> Does anybody understand (and would be willing to explain) why exactly, a
> cd burned at a higher rate will pass a crc check, but will fail in
> instance of actual usage?
>
> --
> -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
> Jordan T. Cox
> Programmer, IT Administrator, Tech Support
> Geronimo Development Corporation
> -~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-
>

The image is the thing that passes a crc/md5 check. Once you burn it, then things may happen that effect the integrity of the data.

--
Vince Castellano
GnuPG Pub Key 525585EF
Linux 2.6.0-test4
Gentoo 1.4

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