Diagnosting NS/OS hangs

Started by atar, September 01, 2010, 09:14:41 am

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I've managed to boot NS/OS - SPARC in a single user mode under the qemu-system-sparc emulator. Unfortunately it's not stable. And unfortunately it hangs and not crashes, so it's pretty hard to find out what's going wrong.

Is there a way to find out what keeps NS/OS busy if I  only have the serial console? Are there any SPARC diagnostic utilities? I don't see any in the NeXTfiles/Software/Diagnostic_Utilities .

Is there a way to make OS/NS more verbose, than just '-v' boot option?