[TUHS] Panic! - Unix System Crash Dump Analysis companion CD-ROM

[Tom Lyon via TUHS]

Early Sun CDs used 512 byte blocksize, but the industry settled on 2K.
(IIRC)
So maybe that has something to do with it?

On Tue, Apr 7, 2026 at 7:25 PM Warren Toomey via TUHS <tuhs at tuhs.org> wrote:

> Something is definitely going wrong with Greg's posts to TUHS.
> I need to investigate. Here is his latest post, forwarded:
>
> ----- Forwarded message from Greg 'groggy' Lehey <grog at lemis.com> -----
> Subject: Re: [TUHS] Re: Panic! - Unix System Crash Dump Analysis companion
>         CD-ROM
>
> On Tuesday,  7 April 2026 at  6:09:34 +0000, The UNIX Heritage Society
> wrote:
> >
> > I guess the question then becomes whether the multiple bad dumps have
> > the proper complement of good blocks between them to assemble a proper
> > image.
>
> In general, maybe.  In this particular case I suspect that there's a
> format incompatibility.  Remember Rock Ridge?  Joliet?  El Torito?  Is
> it possible that at the time Sun was using something other than ISO
> 9660?  Sevan's dump was identical to mine, which doesn't smell of
> medium corruption.  All the errors could be format-related.
>
> Greg
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>