From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: qemu-kvm loops after kernel udpate Date: Thu, 13 Sep 2012 12:59:39 +0300 Message-ID: <5051AE8B.7090904@redhat.com> References: <504F7ED8.1030702@suse.cz> <20120911190303.GA3626@amt.cnet> <504F93F1.2060005@suse.cz> <50504299.2050205@redhat.com> <50504439.3050700@suse.cz> <5050453B.6040702@redhat.com> <5050D048.4010704@suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Jiri Slaby , Marcelo Tosatti , kvm@vger.kernel.org, LKML To: Jiri Slaby Return-path: In-Reply-To: <5050D048.4010704@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 09/12/2012 09:11 PM, Jiri Slaby wrote: > On 09/12/2012 10:18 AM, Avi Kivity wrote: >> On 09/12/2012 11:13 AM, Jiri Slaby wrote: >>> >>>> Please provide the output of vmxcap >>>> (http://goo.gl/c5lUO), >>> >>> Unrestricted guest no >> >> The big real mode fixes. >> >> >>> >>>> and a snapshot of kvm_stat while the guest is hung. >>> >>> kvm statistics >>> >>> exits 6778198 615942 >>> host_state_reload 1988 187 >>> irq_exits 1523 138 >>> mmu_cache_miss 4 0 >>> fpu_reload 1 0 >> >> Please run this as root so we get the tracepoint based output; and press >> 'x' when it's running so we get more detailed output. > > kvm statistics > > kvm_exit 13798699 330708 > kvm_entry 13799110 330708 > kvm_page_fault 13793650 330604 > kvm_exit(EXCEPTION_NMI) 6188458 330604 > kvm_exit(EXTERNAL_INTERRUPT) 2169 105 > kvm_exit(TPR_BELOW_THRESHOLD) 82 0 > kvm_exit(IO_INSTRUCTION) 6 0 Strange, it's unable to fault in the very first page. Please provide a trace as per http://www.linux-kvm.org/page/Tracing (but append -e kvmmmu to the command line). -- error compiling committee.c: too many arguments to function