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Date:      Fri, 18 Jan 2019 23:56:47 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 235010] bhyve: Linux guest crash due to unhandled MSR
Message-ID:  <bug-235010-27103-ZUBdRjmiC4@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-235010-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-235010-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235010

Conrad Meyer <cem@freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|New                         |Closed
         Resolution|---                         |FIXED

--- Comment #6 from Conrad Meyer <cem@freebsd.org> ---
Thanks for the report and MSR access log, Rys!  I think I found the reason =
this
works on Intel (the CPUID feature bits where SPEC_CTRL would be indicated a=
re
cleared) and not AMD (on AMD, we pass through those feature bits from the
host).  Both Intel and AMD share the same SPEC_CRTL MSR and we do not imple=
ment
it on either platform.  Please try the committed change, I believe it should
fix the issue.

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