From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Clayton Subject: Re: qemu-kvm-1.1.0 crashing with kernel 3.5.0-rc6 Date: Fri, 27 Jul 2012 20:04:57 +0100 Message-ID: <5012E659.7060304@googlemail.com> References: <4FFAB92C.4030001@googlemail.com> <4FFD26B6.8000802@googlemail.com> <20120711071200.GG23898@redhat.com> <4FFD28B9.9040604@googlemail.com> <20120711072255.GH23898@redhat.com> <50031F85.6020908@googlemail.com> <5007FA1C.5080606@googlemail.com> <5007FAD6.2010407@redhat.com> <500850AD.8080504@googlemail.com> <50111369.6020209@googlemail.com> <50111566.5070202@redhat.com> <501130CF.5050207@googlemail.com> <501132EB.6060705@redhat.com> <5011D123.4060101@googlemail.com> <5012719A.5080208@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: Eric Northup , kvm@vger.kernel.org, Avi Kivity , Gleb Natapov , Jan Kiszka Return-path: Received: from mail-ee0-f46.google.com ([74.125.83.46]:60775 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752566Ab2G0TE7 (ORCPT ); Fri, 27 Jul 2012 15:04:59 -0400 Received: by eeil10 with SMTP id l10so768301eei.19 for ; Fri, 27 Jul 2012 12:04:58 -0700 (PDT) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: On 07/27/12 19:08, Eric Northup wrote: > Could you include the output of "info registers" at the point where it > crashed? > Here you go: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb6a78b40 (LWP 13249)] __strcmp_sse4_2 () at ../sysdeps/i386/i686/multiarch/strcmp-sse4.S:217 217 movdqu (%edx), %xmm2 (gdb) bt #0 __strcmp_sse4_2 () at ../sysdeps/i386/i686/multiarch/strcmp-sse4.S:217 #1 0xb7e82cb4 in g_str_equal (v1=0x8a0cd58, v2=0x8319b82) at ghash.c:1704 #2 0xb7e8137a in g_hash_table_lookup_node (hash_table=0x89fe800, key=0x8319b82, hash_return=0xb6a78178) at ghash.c:422 #3 0xb7e821e5 in g_hash_table_lookup (hash_table=0x89fe800, key=key@entry=0x8319b82) at ghash.c:1074 #4 0x0815c9cb in type_table_lookup (name=0x8319b82 "apic-common") at qom/object.c:94 #5 type_get_by_name (name=name@entry=0x8319b82 "apic-common") at qom/object.c:149 #6 0x0815cf93 in object_dynamic_cast (obj=obj@entry=0x8a313e0, typename=typename@entry=0x8319b82 "apic-common") at qom/object.c:416 #7 0x0815cf2d in object_dynamic_cast_assert (obj=obj@entry=0x8a313e0, typename=typename@entry=0x8319b82 "apic-common") at qom/object.c:478 #8 0x08192c1b in cpu_set_apic_tpr (d=0x8a313e0, val=13 '\r') at /home/chris/rpm/BUILD/qemu-kvm-1.1.1/hw/apic_common.c:60 #9 0x081cb86c in kvm_arch_post_run (env=env@entry=0x8a29370, run=run@entry=0xb6274000) at /home/chris/rpm/BUILD/qemu-kvm-1.1.1/target-i386/kvm.c:1695 #10 0x081c686f in kvm_cpu_exec (env=env@entry=0x8a29370) at /home/chris/rpm/BUILD/qemu-kvm-1.1.1/kvm-all.c:1269 #11 0x08198c72 in qemu_kvm_cpu_thread_fn (arg=0x8a29370) at /home/chris/rpm/BUILD/qemu-kvm-1.1.1/cpus.c:752 #12 0xb7a3ed9e in start_thread () from /lib/libpthread.so.0 #13 0xb77e45ee in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:132 (gdb) info registers eax 0x8319b82 137468802 ecx 0xd58 3416 edx 0x8a0cd58 144756056 ebx 0xb7f7f2c4 -1208487228 esp 0xb6a780ec 0xb6a780ec ebp 0xb6a78118 0xb6a78118 esi 0x8a313e0 144905184 edi 0xc513 50451 eip 0xb7824f77 0xb7824f77 <__strcmp_sse4_2+23> eflags 0x10283 [ CF SF IF RF ] cs 0x73 115 ss 0x7b 123 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x33 51