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Re: kern/50332: AVX instructions don't work but OSXSAVE flag is set

If this is a bug in NetBSD, it's also a bug on this Linux:

Linux eternium 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1+deb8u4 (2015-09-19) x86_64 GNU/Linux

on a:

model name	: Intel(R) Core(TM)2 Duo CPU     E8600  @ 3.33GHz


Nothing I see says that OSXSAVE implies that AVX instructions are
implemented and working.  According to:

the AVX flag (bit 28) also needs to be asserted.

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