Date: Sun, 19 Aug 2012 21:33:57 +1000 From: Stephen McKay <smckay@internode.on.net> To: freebsd-emulation@freebsd.org Cc: Stephen McKay <smckay@internode.on.net> Subject: VirtualBox limitations with FreeBSD clients? Message-ID: <201208191133.q7JBXvpX005732@dungeon.home>
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Hi!
I'm trying to get the following setup stable:
FreeBSD 9.1-beta1 host (Intel Q6600 cpu with 4 cores)
VirtualBox 4.1.18
FreeBSD 10-current client (4 virtual cpus)
No matter what I fiddle in kern.timecounter, I get many calcru errors
on the client, for example:
calcru: runtime went backwards from 6968924848397985 usec to 38 used for pid 16 (vnlru)
In fact, that one is more preposterous than most. I think that many usec
is about 220 years. Something is completely out of whack here.
So, my questions are:
- do multi-cpu FreeBSD clients work for you in VirtualBox?
- does FreeBSD-current as a client in VirtualBox work for you?
- what's the oldest hardware you've successfully used as a VirtualBox host?
If this has never worked I may as well give up. But if it works for
most people, maybe it can be traced, and I'll do a much better bug
report. ;-)
Cheers,
Stephen.
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