From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E33BC7618B for ; Mon, 29 Jul 2019 15:31:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3814A2070D for ; Mon, 29 Jul 2019 15:31:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564414310; bh=rQhzlH0PIiskH8UUvq8XfFi4T6uw9eNwW5Hvq52YJwQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=0i5zxHbNHwWgon+tQ5qNAoN9tYFddZmD+gNW9agM0oWhA01DF6Zn0oQPuISVsauwk Jcm0N3GySHQIsLC8IZT2yXASeZDJh4ZZqDYQGlDeZpQU6me0jqOOKX19HXwR4tfNhf CX6Xk1u80URD/O4BDRnyXTErk67NUtPng8LttDIQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387988AbfG2Pbp (ORCPT ); Mon, 29 Jul 2019 11:31:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:42094 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387897AbfG2Pbp (ORCPT ); Mon, 29 Jul 2019 11:31:45 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D98862070D; Mon, 29 Jul 2019 15:31:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1564414304; bh=rQhzlH0PIiskH8UUvq8XfFi4T6uw9eNwW5Hvq52YJwQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=iqw05uUSPI8ca7MSPGeT1sJEJNVkIktr5FFNfd01hLwpF5rRppjl8e4dJ94npVVbX qhqV+PY0jIGrnJphHFfQ3XotAkOsokxZF/vKmj5Wfp2JW+oqLlif9ICF0wnII8XzGm Plp+HLxii3AuxrhHya5BdnBkLmQjP1Hkw+MZBKUs= Date: Mon, 29 Jul 2019 17:31:41 +0200 From: Greg Kroah-Hartman To: Paolo Bonzini Cc: Jack Wang , Sasha Levin , Vitaly Kuznetsov , stable@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Radim =?utf-8?B?S3LEjW3DocWZ?= Subject: Re: [PATCH stable-4.19 1/2] KVM: nVMX: do not use dangling shadow VMCS after guest reset Message-ID: <20190729153141.GA9692@kroah.com> References: <20190725104645.30642-1-vkuznets@redhat.com> <20190725104645.30642-2-vkuznets@redhat.com> <2ea5d588-8573-6653-b848-0b06d1f98310@redhat.com> <471a1023-4f0a-5727-e7b2-48701f75188f@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <471a1023-4f0a-5727-e7b2-48701f75188f@redhat.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, Jul 29, 2019 at 11:30:19AM +0200, Paolo Bonzini wrote: > On 29/07/19 11:29, Jack Wang wrote: > > Thanks Paolo for confirmation. I'm asking because we had one incident > > in our production with 4.14.129 kernel, > > System is Skylake Gold cpu, first kvm errors, host hung afterwards > > > > kernel: [1186161.091160] kvm: vmptrld (null)/6bfc00000000 failed > > kernel: [1186161.091537] kvm: vmclear fail: (null)/6bfc00000000 > > kernel: [1186186.490300] watchdog: BUG: soft lockup - CPU#54 stuck for > > 23s! [qemu:16639] > > > > Hi Sasha, hi Greg, > > > > Would be great if you can pick this patch also to 4.14 kernel. > > Acked-by: Paolo Bonzini Ok, now queued up, thanks. greg k-h