Date: Thu, 26 Jul 2012 12:44:43 -0600 From: Peter Grehan <grehan@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Jim Harris <jimharris@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, Andriy Gapon <avg@freebsd.org>, Bruce Evans <brde@optusnet.com.au>, svn-src-head@freebsd.org, Jung-uk Kim <jkim@freebsd.org> Subject: Re: svn commit: r238755 - head/sys/x86/x86 Message-ID: <5011901B.1060008@freebsd.org> In-Reply-To: <20120726175947.GZ2676@deviant.kiev.zoral.com.ua> References: <500F9E22.4080608@FreeBSD.org> <20120725102130.GH2676@deviant.kiev.zoral.com.ua> <500FE6AE.8070706@FreeBSD.org> <20120726001659.M5406@besplex.bde.org> <50102C94.9030706@FreeBSD.org> <20120725180537.GO2676@deviant.kiev.zoral.com.ua> <50103C61.8040904@FreeBSD.org> <20120726170837.Q2536@besplex.bde.org> <20120726104918.GW2676@deviant.kiev.zoral.com.ua> <20120726213001.K3621@besplex.bde.org> <20120726175947.GZ2676@deviant.kiev.zoral.com.ua>
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> Yes, CPUID or LFENCE is enough to fix the failure. CPUID causes an unconditional exit in VT-x/SVM so it would be best to avoid that if possible. later, Peter.
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