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Subject: [Bug 213155] possible kernel regression when running 11.0-RELEASE on
 KVM on AMD Opterons
Date: Wed, 05 Oct 2016 08:32:46 +0000
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.0-STABLE
X-Bugzilla-Keywords: regression
X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: FREEBSD@bfeitell.users.panix.com
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D213155

FREEBSD@bfeitell.users.panix.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |FREEBSD@bfeitell.users.pani
                   |                            |x.com

--- Comment #3 from FREEBSD@bfeitell.users.panix.com ---
I can confirm this boot failure on a CentOS7 host running both
FreeBSD-11.0-RC3-amd64 and pfSense-CE-2.4.0-DEVELOPMENT-amd64-latest (FreeB=
SD
11), as guests.

Changing the CPU type to Westmere allows the VMs to boot and provides suppo=
rt
for for the AES-NI instructions provided by the host CPU, as described in:
https://forums.freebsd.org/threads/36761/#post-204537

The host CPU is an AMD A8-7670K

Pfsense 2.3.2 (FreeBSD 10.3) boots fine as either Opeteron_G5 or via the ho=
st
CPU copy facility built into virt-manager.


Adding "hw.use_xsave=3D0" to /boot/loader.conf.local makes no difference.

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