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Re: [Qemu-discuss] Can QEMU be used on Mac OS X to emulate a one-core CP

From: Tony Su
Subject: Re: [Qemu-discuss] Can QEMU be used on Mac OS X to emulate a one-core CPU?
Date: Mon, 19 Aug 2013 08:31:11 -0700

I don't know enough about QEMU emulation to answer your Q but I can speculate based on general principles

The problem you describe may be not directly related  to running multi-core, there may be only a symptomatic relationship. Unless you really know what the technical issue is, you're guessing and might be guessing wrong. It's quite a leap to connect] audio output quality with multiple cores.

In general, higher levels of anything are built on lower layers and require lower layer functionality. So, in your case the issue could be a more fundamental kernel issue which would show up in higher layers

Related to underlying issues, you might try full emulation (qemu-system) instead of paravirtuaized acceleration(eg KVM in your case). Again, without knowing the true technical issue YMMV.


On Aug 18, 2013 3:00 PM, "Wine Bug" <address@hidden> wrote:
Yes, I do know about other options such as multibooting and turning off all processor cores but one. But they're really uncomfortable. This is the reason why I'm interested in emulation instead.

Maybe I just don't get it. So if Mac OS X doesn't support CPU affinity, I can't EMULATE a CPU with one core, can I? I can emulate a completely different architecture such as ARM, but I can't do this? It seems a bit strange to me.


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