From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Bruin Subject: Re: just a dump Date: Thu, 21 May 2009 12:36:11 +0200 Message-ID: <4A152E9B.3060500@xs4all.nl> References: <4A09E620.3040300@xs4all.nl> <4A09F62A.8010203@xs4all.nl> <20090515144923.GA6304@amt.cnet> <4A0E7B81.6070203@xs4all.nl> <20090516131046.GB3153@amt.cnet> <4A152B7C.4080401@xs4all.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: Marcelo Tosatti , kvm@vger.kernel.org Return-path: Received: from smtp-vbr8.xs4all.nl ([194.109.24.28]:1346 "EHLO smtp-vbr8.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751723AbZEUKfA (ORCPT ); Thu, 21 May 2009 06:35:00 -0400 In-Reply-To: <4A152B7C.4080401@xs4all.nl> Sender: kvm-owner@vger.kernel.org List-ID: Hans de Bruin wrote: > Marcelo Tosatti wrote: >> On Sat, May 16, 2009 at 10:38:25AM +0200, Hans de Bruin wrote: >>> I ran memtest for 11 hours and it completed 4.7 passes with no problems. >>> But then memtest is about cpu and memmory interaction. If the problem >>> is disk related there is also disk/chipset/dma and memmory >>> interaction. I could degrade my system by turning dma on disk io >>> off, or i could have a closer look at kvm-autotest. >> >> Hans, >> >> It would be helpful if you can capture a few more KVM oopses, then. >> > > > v2.6.30-rc6-144-g5805977 > kvm-86-122-ge2478f5 > kvm from kernel > simultaneously booting two w2k8. > One vm dies: another one. This time the vm where booted sequentialy: [ 253.268993] kvm: 2907: cpu0 unimplemented perfctr wrmsr: 0xc0010003 data 0x0 [ 475.036542] rmap_remove: ffff8800cdb913b0 10 0->BUG [ 475.036549] ------------[ cut here ]------------ [ 475.036552] kernel BUG at arch/x86/kvm/mmu.c:576! [ 475.036555] invalid opcode: 0000 [#1] SMP [ 475.036558] last sysfs file: /sys/devices/pci0000:00/0000:00:10.0/0000:01:09.0/resource [ 475.036560] CPU 1 [ 475.036562] Modules linked in: [ 475.036565] Pid: 2912, comm: qemu-system-x86 Not tainted 2.6.30-rc6 #5 System Product Name [ 475.036568] RIP: 0010:[] [] rmap_remove+0x151/0x200 [ 475.036576] RSP: 0018:ffff8801488759f8 EFLAGS: 00010292 [ 475.036578] RAX: 000000000000003a RBX: 0000000000000010 RCX: ffffffff809a3b40 [ 475.036580] RDX: ffff88002804d000 RSI: 0000000000000046 RDI: ffffffff809a3a30 [ 475.036583] RBP: ffff880148875a28 R08: 000000000000ae73 R09: 00000000ffffffff [ 475.036585] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 475.036587] R13: ffff8800cdb913b0 R14: ffff8800c9c47580 R15: ffff88014889c000 [ 475.036590] FS: 0000000042131950(0063) GS:ffff88002804d000(0000) knlGS:000007fffffae000 [ 475.036593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 475.036595] CR2: 00000000014bcc18 CR3: 0000000148846000 CR4: 00000000000006e0 [ 475.036597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 475.036599] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 475.036602] Process qemu-system-x86 (pid: 2912, threadinfo ffff880148874000, task ffff8801afa06ae0) [ 475.036604] Stack: [ 475.036606] ffff880148875a28 0000000000000000 0000000053fbdb00 f880053fbdb00400 [ 475.036609] 00000000000003b0 ffff8800c9c47580 ffff880148875ac8 ffffffff8021ad8d [ 475.036613] 0000000000000000 ffff880100000100 00000000000252df 000000000012566f [ 475.036617] Call Trace: [ 475.036619] [] paging64_sync_page+0x9d/0x1a0 [ 475.036624] [] ? rmap_write_protect+0xd5/0x150 [ 475.036627] [] kvm_sync_page+0x6b/0x90 [ 475.036631] [] mmu_sync_children+0xcd/0x120 [ 475.036634] [] ? x86_emulate_insn+0x292/0x4d30 [ 475.036638] [] ? x86_decode_insn+0x412/0xf10 [ 475.036642] [] mmu_sync_roots+0xc2/0xd0 [ 475.036645] [] kvm_mmu_load+0x138/0x200 [ 475.036649] [] ? handle_exit+0x14a/0x2c0 [ 475.036652] [] kvm_arch_vcpu_ioctl_run+0x863/0xaa0 [ 475.036657] [] ? kvm_vm_ioctl+0x165/0x910 [ 475.036660] [] ? do_futex+0xa9/0x9c0 [ 475.036665] [] kvm_vcpu_ioctl+0x5d3/0x790 [ 475.036668] [] ? security_file_permission+0x11/0x20 [ 475.036672] [] ? __dequeue_entity+0x2b/0x50 [ 475.036676] [] vfs_ioctl+0x31/0x90 [ 475.036680] [] do_vfs_ioctl+0x2f1/0x4e0 [ 475.036684] [] ? sys_futex+0x84/0x130 [ 475.036687] [] sys_ioctl+0x82/0xa0 [ 475.036691] [] system_call_fastpath+0x16/0x1b [ 475.036695] Code: 04 75 e7 48 8b 47 20 49 89 fb 48 85 c0 0f 84 b7 00 00 00 48 89 c7 eb d0 49 8b 55 00 4c 89 ee 48 c7 c7 d0 2e 7f 80 e8 2f 29 04 00 <0f> 0b eb fe 48 8b 4f 18 48 85 c9 0f 94 c2 83 fe 02 0f 9e c0 84 [ 475.036721] RIP [] rmap_remove+0x151/0x200 [ 475.036724] RSP [ 475.036727] ---[ end trace 5a588ebf5d2bfd50 ]--- bash-3.1$ bash-3.1$ -- Hans