hi,

I was having this same problem, it was because of a bug in handling
large amounts of memory (1 GB in my case).  I checked in a fix for this
a few days ago, so it should work now.  I just put a kernel with the fix at

	ftp://ftp.netbsd.org/pub/NetBSD/arch/sparc64/kernels/NetBSD-1.5V

-Chuck



On Fri, May 18, 2001 at 10:04:09AM +0200, Peter Smej wrote:
> Hello,
> 
> I have problems to start netbsd on a Sun E250
> Perhaps can anybody help me.
> Here is an ouput what happens when trying to start netbsd:
> 
> Rebooting with command: boot disk1:a netbsd -d                        
> Boot device: /pci@1f,4000/scsi@3/disk@8,0:a  File and args: netbsd -d
> NetBSD IEEE 1275 Bootblock
> ..>> NetBSD/sparc64 OpenFirmware Boot, Revision 1.3
> >> (mrg@everglades.eterna.com.au, Sun Nov 12 18:57:11 EST 2000)
> devopen: getdisklabel sez no disk label
> main: Calling loadfile(fd, /pci@1f,4000/scsi@3/disk@8,0:a/netbsd -d)
> loadfile: reading header
> elf64_exec: Booting /pci@1f,4000/scsi@3/disk@8,0:a/netbsd
> 4319184@0x1000000+538136@0x141e7d0 
> symbols @ 0xfefa0300 74+253824+131235 start=0x1000000
> chain: calling OF_chain(800000, ed90, 1000000, fff89a80, 18)
> OF_chain: prom returned!
> Calling entry(0, 0xfff89a80, 18, f007601c, f007601c)
> [ using 385912 bytes of netbsd ELF symbol table ]
> prom_get_msgbuf: Cannot recover msgbuf on E250
> prom_get_msgbuf: allocated new buf at 00000000
> prom_get_msgbuf: claiming new buf at 00000000
> pmap_bootstrap: could not claim physical dseg extention at 3fca2000 size
> 35e000
> console is unknown
> Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001
>     The NetBSD Foundation, Inc.  All rights reserved.
> Copyright (c) 1982, 1986, 1989, 1991, 1993
>     The Regents of the University of California.  All rights reserved.
> 
> panic: uvm_page_physget: called _after_ bootstrap
> kdb breakpoint at 12628c8
> Stopped in pid 0 () at  cpu_Debugger+0x4:       nop
> db> 
> 
> Thanks for your help.
> 
> Greetings,
> Peter Smej
> 
> --
> Peter Smej
> peter.smej@de.cw.net