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=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 BE34AC3F2CD for ; Thu, 5 Mar 2020 10:18:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89C7F20848 for ; Thu, 5 Mar 2020 10:18:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726920AbgCEKSs (ORCPT ); Thu, 5 Mar 2020 05:18:48 -0500 Received: from mx2.suse.de ([195.135.220.15]:58382 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725903AbgCEKSs (ORCPT ); Thu, 5 Mar 2020 05:18:48 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 7A4F7AE2D; Thu, 5 Mar 2020 10:18:46 +0000 (UTC) Subject: Re: xen boot PVH guest with linux 5.6.0-rc4-ish kernel: general protection fault, RIP: 0010:__pv_queued_spin_lock_slowpath To: Sander Eikelenboom Cc: "xen-devel@lists.xenproject.org" , linux-kernel References: From: =?UTF-8?B?SsO8cmdlbiBHcm/Dnw==?= Message-ID: Date: Thu, 5 Mar 2020 11:18:45 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04.03.20 18:52, Sander Eikelenboom wrote: > Hi Juergen, > > Just tested a 5.6.0-rc4'ish kernel (8b614cb8f1dcac8ca77cf4dd85f46ef3055f8238, so it includes the xen fixes from x86 trees). > Xen is the latest xen-unstable, dom0 kernel is 5.5.7. > > During boot of the PVH guest I got the splat below. > With a 5.5.7 kernel the guest boots fine. There were 2 bugs. I have sent the patches. Interesting, though, that you did see only one of them (I hit the same bug as you did only after fixing the xenbus problem). Juergen