From owner-freebsd-virtualization@FreeBSD.ORG Tue Jun 10 20:54:20 2014 Return-Path: Delivered-To: freebsd-virtualization@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BACE5253; Tue, 10 Jun 2014 20:54:20 +0000 (UTC) Received: from mail-la0-x22a.google.com (mail-la0-x22a.google.com [IPv6:2a00:1450:4010:c03::22a]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id D6F512268; Tue, 10 Jun 2014 20:54:19 +0000 (UTC) Received: by mail-la0-f42.google.com with SMTP id el20so4349659lab.29 for ; Tue, 10 Jun 2014 13:54:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=n93JJS7xNnkWxz67beRPIDfMBc5EkcAJtsW6DXoiRu8=; b=JpCzkf1U1LkHSnGF3WR8Vco8dEbdF2MyNvmOQPng2/dRKnqmtZM2na940+BeaNn4Sb BztkDGPjLYiIMTxTyQ3qizzMo230os0NqFSpXDdN6wrKvJHbtb+o06DswcgHW8Zqaax2 2tQnqpyr7YvgQoI3JAXeUFpOTvxUbFDZnTh06Wb+4v96DPLg9j4MzfT9NYgj8jJ+6kpV JJdecymP2FoCAcq+QnujhoCkflGcswE/ib/b/mcxlABueI8+Zb3CinTCq9o8b6jRebo3 4pWUx8S2dcZcSnDfwXjNTetKkuqIf9h/sQbXA+3ZMFTgy6z9TJmKyy8oOOKuB1u+hbYL rJmQ== MIME-Version: 1.0 X-Received: by 10.152.36.38 with SMTP id n6mr24413266laj.0.1402433657667; Tue, 10 Jun 2014 13:54:17 -0700 (PDT) Sender: crodr001@gmail.com Received: by 10.112.67.73 with HTTP; Tue, 10 Jun 2014 13:54:17 -0700 (PDT) In-Reply-To: References: <20140610114342.GA11194@dev.san.ru> <20140610175420.GC61743@kloomba> <20140610191439.GA220@kloomba> Date: Tue, 10 Jun 2014 13:54:17 -0700 X-Google-Sender-Auth: 1Lp3IvBfMmszNDsK1mN7lNIhWTM Message-ID: Subject: Re: libvirt and bhyve problems From: Craig Rodrigues To: Roman Bogorodskiy Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-testing@freebsd.org" , Roman Bogorodskiy , "freebsd-virtualization@freebsd.org" X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Jun 2014 20:54:20 -0000 On Tue, Jun 10, 2014 at 12:25 PM, Craig Rodrigues wrote: > > > # gdb /usr/local/sbin/libvirtd libvirtd.core > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 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 "amd64-marcel-freebsd"... > Core was generated by `libvirtd'. > Program terminated with signal 11, Segmentation fault. > #0 0x0000000801aa8513 in ?? () > (gdb) where > #0 0x0000000801aa8513 in ?? () > #1 0x0000001800000008 in ?? () > #2 0x00007fffff3f9330 in ?? () > #3 0x0000000809e5510c in ?? () > #4 0x0000000000000007 in ?? () > #5 0x0000000809e5531b in ?? () > #6 0x0000000000000000 in ?? () OK, so it looks like in CURRENT, at least for the devel/libvirt port, the gdb in base, and also gdb in ports cannot debug libvirtd.core. I enabled WITH_LLDB=yes in /etc/src.conf and recompiled to install lldb. I am not so familiar with lldb, but at least I can get a stacktrace with it. lldb /usr/local/sbin/libvirtd libvirtd.core (lldb) bt * thread #1: tid = 0, 0x0000000801aa8513 libvirt.so.1002`virNetDevTapCreateInBridgePort(brname=0x000000080a4211c8, ifname=0x000000080a88d1e0, macaddr=0x000000080a88d144, vmuuid=0x000000080a81b808, tapfd=0x0000000000000000, tapfdSize=1, virtPortProfile=0x0000000000000000, virtVlan=0x0000000000000000, flags=9) + 547 at virnetdevtap.c:583, name = 'libvirtd', stop reason = signal SIGSEGV * frame #0: 0x0000000801aa8513 libvirt.so.1002`virNetDevTapCreateInBridgePort(brname=0x000000080a4211c8, ifname=0x000000080a88d1e0, macaddr=0x000000080a88d144, vmuuid=0x000000080a81b808, tapfd=0x0000000000000000, tapfdSize=1, virtPortProfile=0x0000000000000000, virtVlan=0x0000000000000000, flags=9) + 547 at virnetdevtap.c:583 frame #1: 0x0000000809e20569 libvirt_driver_bhyve.so`bhyveBuildNetArgStr(def=0x000000080a81b800, cmd=0x000000080a4db200, dryRun=false) + 841 at bhyve_command.c:82 frame #2: 0x0000000809e20196 libvirt_driver_bhyve.so`virBhyveProcessBuildBhyveCmd(driver=0x000000080a48a040, def=0x000000080a81b800, dryRun=false) + 310 at bhyve_command.c:248 frame #3: 0x0000000809e24d6a libvirt_driver_bhyve.so`virBhyveProcessStart(conn=0x000000080a4db100, driver=0x000000080a48a040, vm=0x000000080a48b0f0, reason=VIR_DOMAIN_RUNNING_BOOTED, flags=0) + 746 at bhyve_process.c:134 frame #4: 0x0000000809e2334a libvirt_driver_bhyve.so`bhyveDomainCreateWithFlags(dom=0x000000080a48a280, flags=0) + 490 at bhyve_driver.c:847 frame #5: 0x0000000809e2315a libvirt_driver_bhyve.so`bhyveDomainCreate(dom=0x000000080a48a280) + 26 at bhyve_driver.c:867 frame #6: 0x0000000801b96aad libvirt.so.1002`virDomainCreate(domain=0x000000080a48a280) + 637 at libvirt.c:8968 frame #7: 0x0000000001075427 libvirtd`remoteDispatchDomainCreate(server=0x000000080781c400, client=0x00000008078df480, msg=0x00000008078791d0, rerr=0x00007fffff9fcc30, args=0x0000000807934340) + 231 at remote_dispatch.h:3048 frame #8: 0x000000000103b84e libvirtd`remoteDispatchDomainCreateHelper(server=0x000000080781c400, client=0x00000008078df480, msg=0x00000008078791d0, rerr=0x00007fffff9fcc30, args=0x0000000807934340, ret=0x000000080a421058) + 254 at remote_dispatch.h:3026 frame #9: 0x0000000801c26b20 libvirt.so.1002`virNetServerProgramDispatchCall(prog=0x000000080790f400, server=0x000000080781c400, client=0x00000008078df480, msg=0x00000008078791d0) + 784 at virnetserverprogram.c:437 frame #10: 0x0000000801c26641 libvirt.so.1002`virNetServerProgramDispatch(prog=0x000000080790f400, server=0x000000080781c400, client=0x00000008078df480, msg=0x00000008078791d0) + 705 at virnetserverprogram.c:307 frame #11: 0x000000000108f97c libvirtd`virNetServerProcessMsg(srv=0x000000080781c400, client=0x00000008078df480, prog=0x000000080790f400, msg=0x00000008078791d0) + 332 at virnetserver.c:172 frame #12: 0x000000000108cd9c libvirtd`virNetServerHandleJob(jobOpaque=0x0000000807934360, opaque=0x000000080781c400) + 204 at virnetserver.c:193 frame #13: 0x0000000801ac84b8 libvirt.so.1002`virThreadPoolWorker(opaque=0x0000000807901d60) + 680 at virthreadpool.c:145 frame #14: 0x0000000801ac7b9b libvirt.so.1002`virThreadHelper(data=0x000000080781b520) + 75 at virthread.c:197 frame #15: 0x0000000803c614f5 libthr.so.3`??? + 277 -- Craig