From: Avi Kivity Subject: Re: System Crashed Date: Wed, 02 Dec 2009 15:09:45 +0200 Message-ID: <4B166719.7000409@redhat.com> References: <4B0FB53F.4030104@haneke.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Elmar Haneke Return-path: Received: from mx1.redhat.com ([209.132.183.28]:38781 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753522AbZLBNJr (ORCPT ); Wed, 2 Dec 2009 08:09:47 -0500 In-Reply-To: <4B0FB53F.4030104@haneke.de> Sender: kvm-owner@vger.kernel.org List-ID: On 11/27/2009 01:17 PM, Elmar Haneke wrote: > My Linux box running several KVM/QEmu-proceses did stop work (until > reset). In kern.log I found this message: > > > ------------[ cut here ]------------ > Nov 27 11:16:57 winserver kernel: [15721.577859] kernel BUG at > /home/blank/debian/kernel/release/linux-2.6/linux-2.6-2.6.31/debian/build/source_amd64_none/arch/x86/kvm/mmu.c:582! > Nov 27 11:16:57 winserver kernel: [15721.577872] invalid opcode: 0000 > [#1] SMP > Nov 27 11:16:57 winserver kernel: [15721.577881] last sysfs file: > /sys/devices/pci0000:00/0000:00:14.4/0000:02:0f.0/net/eth0/brport/hold_timer > Nov 27 11:16:57 winserver kernel: [15721.577892] CPU 0 > Nov 27 11:16:57 winserver kernel: [15721.577898] Modules linked in: > tcp_diag inet_diag tun ipt_REDIRECT xt_tcpudp iptable_nat nf_nat > nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables kvm_amd > kvm nfsd exportfs nfs lockd fscache nfs_acl auth_rpcgss sunrpc bridge > stp loop snd_hda_codec_atihdmi serio_raw evdev snd_pcsp > snd_hda_codec_realtek snd_hda_intel snd_hda_codec amd64_edac_mod k8temp > edac_core snd_hwdep snd_pcm snd_timer snd soundcore snd_page_alloc > button i2c_piix4 i2c_core processor shpchp pci_hotplug ext3 jbd mbcache > sd_mod crc_t10dif ata_generic ide_pci_generic floppy r8169 mii ahci > atiixp ehci_hcd ide_core libata ohci_hcd scsi_mod thermal fan > thermal_sys [last unloaded: scsi_wait_scan] > Nov 27 11:16:57 winserver kernel: [15721.578027] Pid: 3255, comm: > qemu-system-x86 Not tainted 2.6.31-1-amd64 #1 GA-MA69GM-S2H > Nov 27 11:16:57 winserver kernel: [15721.578038] RIP: > 0010:[] [] rmap_remove+0xd9/0x1de [kvm] > This (or rather a related) BUG() in rmap_remove() was linked in the past to hardware problems. Can you run memtest on your host? I'll add some diagnostics so we get more information the next time this happens. -- error compiling committee.c: too many arguments to function