Re: Which NetBSD on a VS3176?

[Holm Tiffe <holm%freibergnet.de@localhost>]

Anders Magnusson wrote:

> Holm Tiffe skrev 2014-05-20 12:01:
> >/tmp//EdDk.a00665a: 29 lines, 1031 characters.
> >vs3176# newfs /dev/rsd1a
> >/dev/rsd1a: 200.0MB (409600 sectors) block size 8192, fragment size 1024
> >         using 5 cylinder groups of 40.00MB, 5120 blks, 9920 inodes.
> >[1]   Segmentation fault (core dumped) newfs /dev/rsd1a
> >vs3176# newfs /dev/rsd1f
> >/dev/rsd1f: 200.0MB (409600 sectors) block size 8192, fragment size 1024
> >         using 5 cylinder groups of 40.00MB, 5120 blks, 9920 inodes.
> >[1]   Segmentation fault (core dumped) newfs /dev/rsd1f
> >vs3176# newfs /dev/rsd1e
> >/dev/rsd1e: 3121.7MB (6393144 sectors) block size 16384, fragment size 2048
> >         using 16 cylinder groups of 195.11MB, 12487 blks, 24704 inodes.
> >panic: rmpage: pm 0x8088d760 br 0x80fc7560
> >cpu0: Begin traceback...
> >panic: rmpage: pm 0x8088d760 br 0x80fc7560
> >Stack traceback :
> >          Process is executing in user space.
> >cpu0: End traceback...
> >
> Hm, I would think that the segfault is due to something else than a 
> missing instruction.
> CVAX has all usual instructions (no need to emulate anything).
> 
> The rmpage panic is more likely to be the root cause; it's a fail in the 
> page removing routine.
> It may be because of something in the real CVAX do not behave as simh, 
> especially in the
> cache or TLB.  It's a request for removal of a mapping where the mapping 
> itself cannot be found.
> 
> -- Ragge

Hmm, this is a little bit too complicated for my horizont.
I do know almost nothing about VM Systems..

Can I do anything to further debug this?
Should I do make the machine accessable from the net?

Regards,

Holm

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