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Re: ATF X86 race with Debug Registers

Kamil Rytarowski wrote:
> Sometimes we catch a bug with Debug Registers in the ptrace(2) tests:
> NetBSD/amd64
> NetBSD/i386
> I was trying to reproduce this locally on a real hardware and in qemu
> (softemu), including concurrent execution, but after merely 100M
> attempts to reproduce the test-case, I've not encountered a single failure.
> Are there some special properties of these releng machines? qemu+kvm?

Nothing special about it AFAIK, it's just qemu from pkgsrc running on, a dual Xeon L5630, under NetBSD 7.1_STABLE.
Typical load is 6-8 qemu processes and a niced -j 16 build.  There's
no kvm - that's only supported under Linux.

If you look at the test.log file corresponding to the test.html, you
can find the qemu version and full qemu command line near the top.
Andreas Gustafsson,

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