The Mouse - 

Can you configure /etc/sysctl.conf to enable ddb and then drop to ddb prompt 
when this happens to capture some output:

http://www.openbsd.org/report.html  and
http://www.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man5/sysctl.conf.5?query=sysctl%2econf&sec=5

Also, perhaps an MP bsd.rd (isn't bsd.rd MP?) would allow you to get a dmesg as 
the hang happens when root and swap are mounted.  This might be enough to allow 
you to report a problem as described in the report.html link above and may help 
developers.

If I knew more about macppc I'd probably have more suggestions.  Good luck!

-Justin

On Sep 30, 2014, at 11:26 PM, The Mouse wrote:

> Hello list,
> 
> I have a PowerMac7,2 (Dual 2.0Ghz PPC970 stock hardware) unit that works
> perfectly fine on OpenBSD until I try to use the MP kernel.
> 
> The MP kernel right to the end and detects the root and swap partitions
> then it hangs indefinately. (The SP kernel works perfectly, but only uses
> one cpu.)
> 
> I've tried 5.5 and the current snapshot from yesterday. I see the same issue.
> 
> Has anyone else seen this before? Does anyone know what might be causing
> this?
> 
> Thanks in advance.
> 
> 
> 

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