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On Mon, Oct 30, 2017 at 10:43 AM, Ian Zimmerman <itz@××××××××××××.org> wrote: |
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> I built the gentoo qemu package [1] with support for a couple of non-x86 |
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> arches. Trying the sparc64 one, I installed FreeBSD-11.1 into it. It |
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> kind of works, but: |
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> |
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> 1. It's very slow - I estimate about 5x-10x slower than an emulated x86_64, |
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> also running FreeBSD-11.1. |
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> |
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> 2. 1 processor on the host (a 4-way Phenom) is always at 100%, even |
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> when the guest is completely idle. This makes me think there is a |
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> virtual interrupt line that is always on, and this probably is the cause |
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> of #1. Again, this doesn't happen when the guest CPU is x86_64. |
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> |
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> 3. There is no emulated network device. This could be related to the |
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> ne2k_pci issue mentioned at [2]. I'd be willing to debug this, _if_ it |
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> were not for #1 and #2 ... |
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> |
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> anyone has a guess what is happening here? |
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> |
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> [1] |
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> the one in gentoo "stable" i.e. app-emulation/qemu-2.10.0 |
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> |
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> [2] |
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> https://wiki.qemu.org/Documentation/Platforms/SPARC |
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> |
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|
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This may be unavoidable, but it would likely be best to report this on |
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the QEMU tracker or mailing list. QEMU has a fairly sophisticated JIT |
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compiler. |
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|
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Cheers, |
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R0b0t1 |
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