From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: 2.6.38.1 general protection fault Date: Fri, 25 Mar 2011 10:32:00 +0100 Message-ID: <4D8C6110.6090204@wpkg.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit To: "kvm@vger.kernel.org" Return-path: Received: from mail.virtall.com ([178.63.195.102]:45924 "EHLO mail.virtall.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751652Ab1CYJj4 (ORCPT ); Fri, 25 Mar 2011 05:39:56 -0400 Received: from mail.virtall.com (localhost [127.0.0.1]) by mail.virtall.com (Postfix) with ESMTP id 67815360D8C for ; Fri, 25 Mar 2011 10:32:01 +0100 (CET) Received: from [192.168.10.145] (e183095092.adsl.alicedsl.de [85.183.95.92]) by mail.virtall.com (Postfix) with ESMTPSA id 33346360D7D for ; Fri, 25 Mar 2011 10:32:01 +0100 (CET) Sender: kvm-owner@vger.kernel.org List-ID: I got this on a 2.6.38.1 system which (I think) had some problem accessing guest image on a btrfs filesystem. general protection fault: 0000 [#1] SMP last sysfs file: /sys/kernel/uevent_seqnum CPU 0 Modules linked in: ipt_MASQUERADE vhost_net kvm_intel kvm iptable_filter xt_tcpudp iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables bridge stp btrfs zlib_deflate crc32c libcrc32c coretemp f71882fg snd_pcm snd_timer snd soundcore i2c_i801 snd_page_alloc tpm_tis tpm tpm_bios pcspkr i7core_edac edac_core r8169 mii raid10 raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 raid0 ahci libahci sata_nv sata_sil sata_via 3w_9xxx 3w_xxxx [last unloaded: scsi_wait_scan] Pid: 10199, comm: kvm Not tainted 2.6.38.1 #1 MSI MS-7522/MSI X58 Pro-E (MS-7522) RIP: 0010:[] [] kvm_unmap_rmapp+0x20/0x70 [kvm] RSP: 0018:ffff880508ee9bf0 EFLAGS: 00010202 RAX: 00008805d6b087f8 RBX: ffff8805b7b10000 RCX: 0000000000000050 RDX: 0000000000000000 RSI: 00008805d6b087f8 RDI: ffff8805b7b10000 RBP: ffff880508ee9c10 R08: ffff8801061d4000 R09: ffffc9001f19aff0 R10: 0000000000000030 R11: 0000000000000000 R12: 0000000000000000 R13: ffffc9001f19aff8 R14: 0000000000000060 R15: ffff8801061d4000 FS: 00007f7ca25d6730(0000) GS:ffff8800bf400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000462b10 CR3: 00000003ac47f000 CR4: 00000000000026e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process kvm (pid: 10199, threadinfo ffff880508ee8000, task ffff88001b5a5b00) Stack: ffffffffffffffcf 00000000000220ff 0000000000000001 ffff8801061d4050 ffff880508ee9c80 ffffffffa02c8a54 0000000000000030 ffffffffa02cae00 0000000000000000 00007f7c80a2b000 ffff8805b7b10000 0000000000000001 Call Trace: [] kvm_handle_hva+0xb4/0x170 [kvm] [] ? kvm_unmap_rmapp+0x0/0x70 [kvm] [] kvm_unmap_hva+0x17/0x20 [kvm] [] kvm_mmu_notifier_invalidate_range_start+0x62/0xb0 [kvm] [] __mmu_notifier_invalidate_range_start+0x51/0x70 [] copy_page_range+0x3b1/0x460 [] ? rb_insert_color+0x98/0x140 [] dup_mm+0x2fc/0x500 [] copy_process+0x8be/0x11b0 [] do_fork+0x75/0x350 [] ? mntput+0x1d/0x40 [] ? fput+0x1e5/0x270 [] ? _raw_spin_lock_irq+0x15/0x20 [] ? sigprocmask+0x91/0x110 [] sys_clone+0x28/0x30 [] stub_clone+0x13/0x20 [] ? system_call_fastpath+0x16/0x1b Code: 49 89 01 eb 91 66 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 48 83 ec 08 0f 1f 44 00 00 45 31 e4 48 89 fb 49 89 f5 eb 1d 0f 1f 00 06 01 74 38 48 8b 15 a4 66 02 00 48 89 df 41 bc 01 00 00 00 RIP [] kvm_unmap_rmapp+0x20/0x70 [kvm] RSP ---[ end trace 85201a339b7635fc ]--- -- Tomasz Chmielewski http://wpkg.org