From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pedro Alves Subject: kvm-48: kernel BUG at mmu.c:307! - invalid opcode: 0000 [#1] Date: Fri, 26 Oct 2007 15:09:06 +0100 Message-ID: <20071026140906.GA7545@zmail.pt> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: KVM Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Hello. I've been using kvm for a while, and it's been working great so far. Today I got a kernel error pasted below. Some system infos: Host: Slackware $ uname -a Linux nicola 2.6.23.1-smp #2 SMP Mon Oct 15 17:49:01 CDT 2007 i686 Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz GenuineIntel GNU/Linux kvm-48 launch instructions: sudo /opt/kvm-46/bin/qemu-system-x86_64 -hda /shared/vm/xp_pro_sp2.qcow2 -cdrom /dev/cdrom -usb -m 1250 -L /opt/kvm-46/share/qemu/ -redir tcp:1433::1433 -redir tcp:3389::3389 -redir tcp:8022::22 Cliene: Windows xp pro xp2 I had booted the VM and was doing nothing - AVG antivirus was running. Here is the paste: ------------[ cut here ]------------ kernel BUG at /home/pedro/can2/kvm-48/kernel/mmu.c:307! invalid opcode: 0000 [#1] SMP Modules linked in: i915 drm sch_ingress cls_u32 sch_sfq sch_cbq fuse tun kvm_intel kvm snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss ipv6 cifs capability commoncap lp parport_pc parport pcmcia e1000 intel_agp agpgart rtc_cmos sdhci rtc_core yenta_socket rtc_lib rsrc_nonstatic mmc_core tifm_7xx1 serio_raw pcmcia_core tifm_core thermal video output ac button battery processor snd_hda_intel psmouse mac80211 snd_pcm cfg80211 snd_timer snd soundcore snd_page_alloc evdev pcspkr sg CPU: 1 EIP: 0060:[] Not tainted VLI EFLAGS: 00010246 (2.6.23.1-smp #2) EIP is at mmu_memory_cache_alloc+0x32/0x40 [kvm] eax: 00000000 ebx: f95658ec ecx: d7a621b0 edx: 00000014 esi: f7daf838 edi: d7a62000 ebp: 00000000 esp: f6de5b28 ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 Process qemu-system-x86 (pid: 3688, ti=f6de4000 task=f27aaaa0 task.ti=f6de4000) Stack: d7a62000 f95658ec d7a62000 f931a271 00000002 00000000 2d8ff043 f931a683 392fb000 00000000 000392fb 00000000 00000000 00000000 00000002 00000000 392fb000 00000000 f7daf838 d7a62000 392fb000 00000000 2d8ff000 00000000 Call Trace: [] rmap_add+0xe1/0x100 [kvm] [] paging32_set_pte_common+0x163/0x310 [kvm] [] paging32_set_pte+0x65/0x80 [kvm] [] kvm_mmu_pte_write+0x37e/0x3e0 [kvm] [] kvm_write_guest_page+0x71/0xa0 [kvm] [] xfs_fs_geometry+0x21c/0x2d0 [] emulator_write_emulated_onepage+0x9b/0x120 [kvm] [] x86_emulate_insn+0x525/0x3630 [kvm] [] emulator_read_std+0x3f/0x90 [kvm] [] xfs_fs_geometry+0x21c/0x2d0 [] x86_decode_insn+0x7ab/0xad0 [kvm] [] xfs_fs_geometry+0x21c/0x2d0 [] emulate_instruction+0x16c/0x2a0 [kvm] [] handle_exception+0x25a/0x2c0 [kvm_intel] [] vmx_set_cr3+0xd/0x20 [kvm_intel] [] xfs_fs_geometry+0x21c/0x2d0 [] kvm_handle_exit+0x79/0xc0 [kvm_intel] [] kvm_vcpu_ioctl_run+0x123/0x440 [kvm] [] kvm_vcpu_ioctl+0x0/0xba0 [kvm] [] kvm_vcpu_ioctl+0xb44/0xba0 [kvm] [] sock_common_recvmsg+0x45/0x70 [] sock_recvmsg+0x123/0x140 [] skb_dequeue+0x40/0x60 [] unix_stream_recvmsg+0x24e/0x580 [] resched_task+0x55/0x60 [] core_sys_select+0x23b/0x2d0 [] update_curr+0x141/0x150 [] __dequeue_signal+0x10/0x170 [] recalc_sigpending+0xb/0x20 [] dequeue_signal+0x48/0x140 [] getnstimeofday+0x36/0xd0 [] enqueue_hrtimer+0x5f/0x80 [] hrtimer_start+0xba/0x120 [] kvm_vcpu_ioctl+0x0/0xba0 [kvm] [] do_ioctl+0x2b/0x90 [] vfs_ioctl+0x5c/0x290 [] sys_ioctl+0x72/0x90 [] syscall_call+0x7/0xb ======================= Code: 8b 00 85 c0 74 25 48 8b 5c 81 04 89 01 89 d1 31 c0 c1 e9 02 89 df f3 ab f6 c2 02 74 02 66 ab f6 c2 01 74 01 aa 5a 89 d8 5b 5f c3 <0f> 0b eb fe 8d 76 00 8d bc 27 00 00 00 00 05 b0 01 00 00 ba 14 EIP: [] mmu_memory_cache_alloc+0x32/0x40 [kvm] SS:ESP 0068:f6de5b28 -- Pedro Alves ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/