From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Theurer Subject: kernel bug in kvm_intel Date: Fri, 09 Oct 2009 15:04:21 -0500 Message-ID: <4ACF9745.3050902@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from e6.ny.us.ibm.com ([32.97.182.146]:34986 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757566AbZJIUFA (ORCPT ); Fri, 9 Oct 2009 16:05:00 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e6.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id n99K9LCX016363 for ; Fri, 9 Oct 2009 16:09:21 -0400 Received: from d01av03.pok.ibm.com (d01av03.pok.ibm.com [9.56.224.217]) by d01relay02.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n99K4OmT255916 for ; Fri, 9 Oct 2009 16:04:24 -0400 Received: from d01av03.pok.ibm.com (loopback [127.0.0.1]) by d01av03.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n99K4OZP031313 for ; Fri, 9 Oct 2009 16:04:24 -0400 Received: from [127.0.0.1] (sig-9-48-60-115.mts.ibm.com [9.48.60.115]) by d01av03.pok.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id n99K4Mnh031208 for ; Fri, 9 Oct 2009 16:04:23 -0400 Sender: kvm-owner@vger.kernel.org List-ID: This is on latest master branch on kvm.git and qemu-kvm.git, running 12 Windows Server2008 VMs, and using oprofile. I ran again without oprofile and did not get the BUG. I am wondering if anyone else is seeing this. Thanks, -Andrew > Oct 9 11:55:13 virtvictory-eth0 kernel: BUG: unable to handle kernel paging request at ffffffff9fe9a2b4 > Oct 9 11:55:13 virtvictory-eth0 kernel: IP: [] vmx_vcpu_run+0x26d/0x64f [kvm_intel] > Oct 9 11:55:13 virtvictory-eth0 kernel: PGD 1003067 PUD 1007063 PMD 0 > Oct 9 11:55:13 virtvictory-eth0 kernel: Oops: 0000 [#5] SMP > Oct 9 11:55:13 virtvictory-eth0 kernel: last sysfs file: /sys/devices/virtual/net/br4/bridge/topology_change_detected > Oct 9 11:55:13 virtvictory-eth0 kernel: CPU 6 > Oct 9 11:55:13 virtvictory-eth0 kernel: Modules linked in: oprofile tun hidp l2cap crc16 bluetooth rfkill lockd sunrpc bridge stp af_packet ipv6 binfmt_misc dm_multipath scsi_dh video output sbs sbshc pci_slot fan container battery ac parport_pc lp parport kvm_intel kvm joydev sr_mod cdrom sg cdc_ether usbnet mii usbhid hid serio_raw rtc_cmos rtc_core rtc_lib button thermal thermal_sys hwmon pata_acpi bnx2 i2c_i801 ide_pci_generic iTCO_wdt i2c_core ata_generic iTCO_vendor_support ioatdma dca pcspkr dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ide_gd_mod ide_core usb_storage ata_piix libata shpchp pci_hotplug qla2xxx scsi_transport_fc scsi_tgt sd_mod crc_t10dif scsi_mod ext3 jbd mbcache uhci_hcd ohci_hcd ehci_hcd usbcore [last unloaded: oprofile] > Oct 9 11:55:13 virtvictory-eth0 kernel: Pid: 6495, comm: qemu-system-x86 Tainted: G D 2.6.32-rc3-autokern1 #1 IBM System x -[7947AC1]- > Oct 9 11:55:13 virtvictory-eth0 kernel: RIP: 0010:[] [] vmx_vcpu_run+0x26d/0x64f [kvm_intel] > Oct 9 11:55:13 virtvictory-eth0 kernel: RSP: 0018:ffff8806369ffc80 EFLAGS: 00010002 > Oct 9 11:55:13 virtvictory-eth0 kernel: RAX: 000000000004001f RBX: 0000000000000200 RCX: 0000000000000001 > Oct 9 11:55:13 virtvictory-eth0 kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000080000000 > Oct 9 11:55:13 virtvictory-eth0 kernel: RBP: 0000000000000000 R08: fffffa80025180a8 R09: fffff800016ca4f0 > Oct 9 11:55:13 virtvictory-eth0 kernel: R10: 7797003630747070 R11: fffffa60039039b8 R12: 00000000a0000003 > Oct 9 11:55:13 virtvictory-eth0 kernel: R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 > Oct 9 11:55:13 virtvictory-eth0 kernel: FS: 0000000040ae6940(0000) GS:ffff88099fe80000(0000) knlGS:00000000ffe66000 > Oct 9 11:55:13 virtvictory-eth0 kernel: CS: 0010 DS: 0018 ES: 0018 CR0: 0000000080050033 > Oct 9 11:55:13 virtvictory-eth0 kernel: CR2: ffffffff9fe9a2b4 CR3: 00000006375ec000 CR4: 00000000000026f0 > Oct 9 11:55:13 virtvictory-eth0 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > Oct 9 11:55:13 virtvictory-eth0 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Oct 9 11:55:13 virtvictory-eth0 kernel: Process qemu-system-x86 (pid: 6495, threadinfo ffff8806369fe000, task ffff880632056480) > Oct 9 11:55:13 virtvictory-eth0 kernel: Stack: > Oct 9 11:55:13 virtvictory-eth0 kernel: ffff8806320916c0 ffff8806369ffd88 0000000000006c14 ffff8806369ffca8 > Oct 9 11:55:13 virtvictory-eth0 kernel: <0> ffff8806320916c0 ffff8806369ffce8 ffffffffa0293bfa ffff8806369ffee8 > Oct 9 11:55:13 virtvictory-eth0 kernel: <0> 0000000000000001 0000000000000300 ffff8806320916c0 000000000000002c > Oct 9 11:55:13 virtvictory-eth0 kernel: Call Trace: > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? emulate_instruction+0x28a/0x2bc [kvm] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? handle_apic_access+0x20/0x4b [kvm_intel] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? vmx_handle_exit+0xe1/0x48b [kvm_intel] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? save_msrs+0x39/0x50 [kvm_intel] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? apic_update_ppr+0x23/0x51 [kvm] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? __up_read+0x8f/0x97 > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? kvm_arch_vcpu_ioctl_run+0x6b6/0xa92 [kvm] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? kvm_vcpu_ioctl+0xf6/0x5c0 [kvm] > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? lapic_next_event+0x18/0x1c > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? clockevents_program_event+0x73/0x7c > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? tick_dev_program_event+0x2a/0x9c > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? vfs_ioctl+0x2a/0x77 > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? do_vfs_ioctl+0x445/0x496 > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? sys_futex+0x111/0x12f > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? sys_ioctl+0x57/0x7a > Oct 9 11:55:13 virtvictory-eth0 kernel: [] ? system_call_fastpath+0x16/0x1b