From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: Re: reply: reply: qemu crashed when starting vm(kvm) with vnc connect Date: Thu, 18 Apr 2013 11:25:11 +0200 Message-ID: <516FBBF7.1080400@redhat.com> References: <20130405063456.GA27569@stefanha-thinkpad.redhat.com> <20130408105052.GC12076@stefanha-thinkpad.redhat.com> <20130411092958.GF8904@stefanha-thinkpad.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Huangweidong \(C\)" , kvm list , "Zhanghaoyu \(A\)" , Marcelo Tosatti , Luonengjun , qemu-devel , "linux-kernel@vger.kernel.org" , Zanghongyong , Zhanghuanzhong , corentin.chary@gmail.com To: Stefan Hajnoczi Return-path: In-Reply-To: <20130411092958.GF8904@stefanha-thinkpad.redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On 04/11/13 11:29, Stefan Hajnoczi wrote: > On Mon, Apr 08, 2013 at 12:27:06PM +0000, Zhanghaoyu (A) wrote: >> On Sun, Apr 07, 2013 at 04:58:07AM +0000, Zhanghaoyu (A) wrote: >>>>>> I start a kvm VM with vnc(using the zrle protocol) connect, sometimes qemu program crashed during starting period, received signal SIGABRT. >>>>>> Trying about 20 times, this crash may be reproduced. >>>>>> I guess the cause memory corruption or double free. >>>>> >>>>> Which version of QEMU are you running? >>>>> >>>>> Please try qemu.git/master. Please try again with latest master, might be fixed meanwhile. If it still happens pleas provide full qemu and vnc client command lines. >> backtrace from core file is shown as below: >> >> Program received signal SIGABRT, Aborted. >> #8 0x00007f32efd26d07 in vnc_disconnect_finish (vs=0x7f32f0c762d0) >> at ui/vnc.c:1050 Do you have a vnc client connected? Do you close it? Any errors reported by the vnc client (maybe it disconnects due to an error in the data stream)? cheers, Gerd