From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1952340AbdDZIP0 (ORCPT ); Wed, 26 Apr 2017 04:15:26 -0400 Received: from mail.skyhub.de ([5.9.137.197]:57360 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1433857AbdDZIOX (ORCPT ); Wed, 26 Apr 2017 04:14:23 -0400 Date: Wed, 26 Apr 2017 10:14:19 +0200 From: Borislav Petkov To: Paolo Bonzini Cc: Satoru Takeuchi , x86@kernel.org, linux-kernel@vger.kernel.org, kvm ML Subject: Re: [BUG] x86: failed to boot a kernel on a Ryzen machine Message-ID: <20170426081419.jnzekvsqgphkmucr@pd.tnic> References: <87pog21ede.wl-satoru.takeuchi@gmail.com> <20170424110753.y332daaxxkwiipog@pd.tnic> <87wpaa7zf3.wl-satoru.takeuchi@gmail.com> <20170424124846.6jkjjywt5gsoxuy3@pd.tnic> <87shky7y1b.wl-satoru.takeuchi@gmail.com> <20170425093607.n33gonz5kfzqgveg@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 26, 2017 at 09:48:22AM +0200, Paolo Bonzini wrote: > The OSXSAVE CPUID bit is not set by QEMU, it is set by the OS itself > (indirectly) when it sets CR4.OSXSAVE. QEMU says it's not available > (probably) because the Opteron_G3 CPU model does not have the 0xD CPUID > leaf. Nope: 0x00000000 0x00: eax=0x00000005 ebx=0x68747541 ecx=0x444d4163 edx=0x69746e65 ^^^^^^^^^^ highest is 0x5. I'll let Satoru comment on the rest. Thanks Paolo! -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.