Strange text on two computers with AMD processors

[Alex V. Petrov]

Strange text on two computers with AMD
CPU: AMD FX-8370 Eight-Core Processor (4018.42-MHz K8-class CPU)
and
CPU: AMD Athlon(tm) 64 X2 Dual Core Processor 4600+ (2412.41-MHz
K8-class CPU)

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FreeBSD 11.0-CURRENT #6 r300310: Sat May 21 01:38:41 KRAT 2016
    alex at alex.super:/usr/obj/usr/src/sys/ALEX amd64
FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on
LLVM 3.8.0)
can't re-use a leaf (ixl_rx_miss_bufs)!

And PC with Athlon 4600+ dont't boot.
Frezed on detect wireless keyboard.

-- 
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Alex.