>
> Wolfgang> My Configuration:
> Wolfgang> Sparc Classic X
> Wolfgang> Redhat Linux 6.0 Kernel 2.2
>
> Wolfgang> I got a number of used Sparc Classic X and I want to connect
> Wolfgang> SCSI disks to them. These systems have an external SCSI
> Wolfgang> connector (50 pins HD). If I compile the SCSI support in the
> Wolfgang> kernel the system is not booting. If I do not include SCSI
> Wolfgang> support and leave all the other settings the same the system
> Wolfgang> is booting fine from tftp and running very well including
> Wolfgang> X11.
>
> Wolfgang> If SCSI support is included in the kernel (not as a module
> Wolfgang> but directly) the error messages is:
>
> Wolfgang> esp0: IRQ 0 SCSI ID7 Clock 40 MHz... Can not handle kernel paging
> at Wolfgang> virtual address fd015000
>
> I'm looking for the reference right now, but I remember reading very
> recently that there was no difference between the two systems except
> in a NVRAM settings. And here it is:
>
> http://www.squirrel.com/sun-nvram-hostid.faq.html
>
> I don't have an ClassicX systems here, and haven't bothered to try
> doing this change to one of my spare Classics yet. Maybe when I've
> finally got a video display working properly at home for console.
Yes, that did it for me. Just make the system think it's a Classic instead of a
ClassicX, and you can boot of CDs (well the debian 2.1 CDs failed until now,
but solaris 2.5.1 and 7 work), the harddisk, or whatever (hey, I didn't try
debian off the floppy). Also, before I changed the system ID, the kernel
complained about an unknown espdma version, and failed to find the SCSI
controller most of the time, but when it did, it would panic, much in the same
way as Wolfgang wrote. I'd say this belongs be somewhere in a faq. I wouldn't
have known this unless i had stumbled across the NVRAM faq a while before that.
I think I have sent a mail about this to the list quite some time ago, so,
where are the list archives? Are they searchable?
Rainer
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