From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Fhx7j-0006RR-Ea for qemu-devel@nongnu.org; Sun, 21 May 2006 19:14:11 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Fhx7i-0006Qq-Nq for qemu-devel@nongnu.org; Sun, 21 May 2006 19:14:11 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Fhx7i-0006Ql-J8 for qemu-devel@nongnu.org; Sun, 21 May 2006 19:14:10 -0400 Received: from [70.116.9.243] (helo=localhost.localdomain) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA:32) (Exim 4.52) id 1FhxBZ-0006Or-8f for qemu-devel@nongnu.org; Sun, 21 May 2006 19:18:10 -0400 Received: from [192.168.1.102] (helo=[192.168.1.102]) by localhost.localdomain with esmtp (Exim 4.52) id 1Fhx6q-0007ap-LO for qemu-devel@nongnu.org; Sun, 21 May 2006 18:13:17 -0500 Message-ID: <4470F435.2040009@codemonkey.ws> Date: Sun, 21 May 2006 18:13:57 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] QEMU 0.8.1 VNC: Segfault on closing References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Michael McConnell wrote: > On Sun, 21 May 2006, Anthony Liguori wrote: > > >> Michael McConnell wrote: >> >>> When I try to use QEMU's VNC server, every time I close the connection it >>> segfaults. So far I've been unable to trace the cause of this (gdb appears >>> to be next to useless at tracing the execution), but it is totally >>> repeatable. >>> >>> >> Can you provide more information? What VNC client are you using? >> > > TightVNC 1.2.9 - and the fault can also be triggered by just telnetting to > the VNC port and closing the connection. > Curious, I've not seen this myself and your configuration does not seem out of the ordinary. Can you try with CVS and 0.8.1? Also, make sure that you're doing a full build if you've built this from CVS as the dependences in the Makefile aren't good. Regards, Anthony Liguori > >> What >> host architecture are you on? What is the guest OS/target? >> > > I already gave that - REinserting immediately below. > (It was in the second paragraph, which you inserted your reply above.) > For those not familiar with AMD, the Athlon > XP2000+ is an ix86 32-bit CPU. > > >>> Running with kqemu 1.3.0pre7 in -kernel-kqemu with Windows XP as the guest >>> operating system, the host is an Athlon XP2000+ running kernel 2.6.14, and >>> glibc 2.1.3. QEMU was compiled with gcc 3.4.3. >>> > > >> Can you provide a stack trace that leads to the seg fault? >> > > GDB seems unable to - this is how it started off when analysing the core > dump: > [soruk@Zeskia QEMU]# gdb /usr/local/bin/qemu-i386 core > GNU gdb 19991004 > Copyright 1998 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you are > welcome to change it and/or distribute copies of it under certain conditions. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details. > This GDB was configured as "i386-redhat-linux"... > > Dwarf Error: Cannot handle DW_FORM_strp in DWARF reader. > > Core was generated by `qemu-i386 -m 128 -sync -kernel-kqemu -boot c -net > nic,macaddr=fe:fd:00:00:00:01'. > Program terminated with signal 11, Segmentation fault. > Reading symbols from /lib/libm.so.6...done. > Reading symbols from /usr/lib/libz.so.1...done. > Reading symbols from /usr/local/lib/libSDL-1.2.so.0...done. > Reading symbols from /lib/libpthread.so.0...done. > Reading symbols from /lib/libutil.so.1...done. > Reading symbols from /lib/libc.so.6...done. > Reading symbols from /lib/libdl.so.2...done. > Reading symbols from /usr/X11R6/lib/libX11.so.6...done. > Reading symbols from /usr/X11R6/lib/libXext.so.6...done. > Reading symbols from /lib/ld-linux.so.2...done. > #0 0x804ff4a in ?? () > (gdb) bt > #0 0x804ff4a in ?? () > (gdb) quit > [soruk@Zeskia QEMU]# gdb ls > > I have no idea what this "dwarf error" is. > > -- Michael "Soruk" McConnell > Eridani Star System > > MailStripper - http://www.MailStripper.eu/ - SMTP spam filter > Mail Me Anywhere - http://www.MailMeAnywhere.com/ - Mobile email > > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel >