From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: Guest memory backed by PCI BAR (x86) Date: Thu, 26 Mar 2015 17:07:27 +0100 Message-ID: <55142EBF.8030600@redhat.com> References: <1790936111.88330.1427298998015.JavaMail.zimbra@xes-inc.com> <55141183.9000304@redhat.com> <1757049852.48328.1427385718889.JavaMail.zimbra@xes-inc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Nate Case Return-path: Received: from mx1.redhat.com ([209.132.183.28]:37954 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751963AbbCZQHc (ORCPT ); Thu, 26 Mar 2015 12:07:32 -0400 In-Reply-To: <1757049852.48328.1427385718889.JavaMail.zimbra@xes-inc.com> Sender: kvm-owner@vger.kernel.org List-ID: On 26/03/2015 17:01, Nate Case wrote: >>> When KVM acceleration is enabled, SeaBIOS seems to function fine >>> running out of PCI memory space, but booting the OS resets. >>> Specifically, the following happens (I'll stick with the memtest86+ >>> 5.01 test case for simplicity): >> >> >> please include a trace file of the failure, obtained using "trace-cmd >> record -e kvm/* -e kvmmmu/*". > > Paolo, > > The trace file is available here: > > http://oss.xes-inc.com/xtmp/trace-pcimem-memtest86-reset.dat.gz Run QEMU with "-no-reboot -no-shutdown -monitor stdio". When it crashes, run "info registers" and then "x/70i 0", and email the output. Paolo