https://bugzilla.kernel.org/show_bug.cgi?id=27052 --- Comment #3 from prochazka <prochazka.nicolas@xxxxxxxxx> 2011-01-19 11:34:21 --- Sorry, witout hugepage, bug is alway here : rmap_remove: ffff8802455bfff8 0->BUG ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/mmu.c:695! invalid opcode: 0000 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 2 Modules linked in: kvm_intel kvm Pid: 28761, comm: qemu Not tainted 2.6.37 #3 MS-9192-01S/Express5800/120Rj-2 [N8100-1407E] RIP: 0010:[<ffffffffa001c5ae>] [<ffffffffa001c5ae>] drop_spte+0x1de/0x1f0 [kvm] RSP: 0018:ffff88078db35a18 EFLAGS: 00010292 RAX: 000000000000002b RBX: ffff8802455bfff8 RCX: 000000000003ffff RDX: ffffffff81d970c8 RSI: 0000000000000082 RDI: 0000000000000246 RBP: ffff88078db35a28 R08: 00000000000106f1 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000000f R12: ffff8801cd2c8000 R13: 00000000010147fc R14: ffff88078da98000 R15: ffff88078db35a84 FS: 00007f4085c02710(0000) GS:ffff8800cfc80000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b CR2: 000000001806107a CR3: 00000007641ee000 CR4: 00000000000026e0 DR0: 0000000000000001 DR1: 0000000000000002 DR2: 0000000000000001 DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process qemu (pid: 28761, threadinfo ffff88078db34000, task ffff8801b8264000) Stack: 0000000000000ff8 ffff88077abdb280 ffff88078db35ab8 ffffffffa0021075 0000000400000001 000000000000add2 00000000006d5f42 0000000000000001 0000000000000000 ffffea0000000001 ffff88078db35a78 0000001f010031ed Call Trace: [<ffffffffa0021075>] paging32_sync_page+0xe5/0x1c0 [kvm] [<ffffffffa001cd6a>] __kvm_sync_page+0x5a/0xb0 [kvm] [<ffffffffa001f6a9>] mmu_sync_children+0x249/0x350 [kvm] [<ffffffffa00217ca>] ? kvm_mmu_pte_write+0x29a/0xaa0 [kvm] [<ffffffffa00238aa>] ? seg_base+0x1a/0x30 [kvm] [<ffffffffa001d4b2>] ? mmu_free_roots+0xc2/0x180 [kvm] [<ffffffffa0020305>] ? kvm_mmu_get_page+0x4b5/0x710 [kvm] [<ffffffffa001f878>] mmu_sync_roots+0xc8/0x160 [kvm] [<ffffffffa00205e0>] kvm_mmu_load+0x80/0x420 [kvm] [<ffffffffa00177e5>] kvm_arch_vcpu_ioctl_run+0xc95/0xe20 [kvm] [<ffffffff81029a61>] ? native_load_tr_desc+0x11/0x20 [<ffffffffa0015fc0>] ? kvm_arch_vcpu_load+0x50/0x140 [kvm] [<ffffffffa0005811>] kvm_vcpu_ioctl+0x561/0x860 [kvm] [<ffffffff819aeeac>] ? schedule+0x31c/0x990 [<ffffffffa0004980>] ? kvm_vm_ioctl+0x0/0x3e0 [kvm] [<ffffffff81131087>] do_vfs_ioctl+0xa7/0x560 [<ffffffff810840fe>] ? sys_futex+0xce/0x170 [<ffffffff8113158f>] sys_ioctl+0x4f/0x80 [<ffffffff81003042>] system_call_fastpath+0x16/0x1b Code: e1 0f 0b eb fe 48 89 de 48 c7 c7 4e ab 03 a0 31 c0 e8 2a 20 99 e1 0f 0b eb fe 48 89 de 48 c7 c7 33 ab 03 a0 31 c0 e8 15 20 99 e1 <0f> 0b eb fe 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 RIP [<ffffffffa001c5ae>] drop_spte+0x1de/0x1f0 [kvm] RSP <ffff88078db35a18> ---[ end trace 75c63c522243bec6 ]--- rmap_remove: ffff8807d245fff8 0->BUG ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/mmu.c:695! invalid opcode: 0000 [#2] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 4 Modules linked in: kvm_intel kvm Pid: 17775, comm: qemu Tainted: G D 2.6.37 #3 MS-9192-01S/Express5800/120Rj-2 [N8100-1407E] RIP: 0010:[<ffffffffa001c5ae>] [<ffffffffa001c5ae>] drop_spte+0x1de/0x1f0 [kvm] RSP: 0018:ffff88002646ba18 EFLAGS: 00010292 RAX: 000000000000002b RBX: ffff8807d245fff8 RCX: 000000000003ffff RDX: ffffffff81d970c8 RSI: 0000000000000082 RDI: 0000000000000246 RBP: ffff88002646ba28 R08: 0000000000011256 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000000f R12: ffff88002645c000 R13: 00000000098d67fc R14: ffff8800264e0000 R15: ffff88002646ba84 FS: 00007ff5b0c75710(0000) GS:ffff8800cfd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b CR2: 00000000e2248000 CR3: 0000000026435000 CR4: 00000000000026e0 DR0: 00000000000000a0 DR1: 0000000000000000 DR2: 0000000000000003 DR3: 00000000000000b0 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process qemu (pid: 17775, threadinfo ffff88002646a000, task ffff88005d4dc000) Stack: 0000000000000ff8 ffff8801b7ef10a0 ffff88002646bab8 ffffffffa0021075 0000000000000001 000000000001045c 0000000000228e71 0000000000000001 0000000000000000 ffffea0000000001 ffff88002646ba78 00000008010031ed Call Trace: [<ffffffffa0021075>] paging32_sync_page+0xe5/0x1c0 [kvm] [<ffffffffa001cd6a>] __kvm_sync_page+0x5a/0xb0 [kvm] [<ffffffffa001f6a9>] mmu_sync_children+0x249/0x350 [kvm] [<ffffffffa0029671>] ? x86_emulate_insn+0x1e41/0x6350 [kvm] [<ffffffffa00238aa>] ? seg_base+0x1a/0x30 [kvm] [<ffffffffa001d4b2>] ? mmu_free_roots+0xc2/0x180 [kvm] [<ffffffffa0020305>] ? kvm_mmu_get_page+0x4b5/0x710 [kvm] [<ffffffffa001f878>] mmu_sync_roots+0xc8/0x160 [kvm] [<ffffffffa00205e0>] kvm_mmu_load+0x80/0x420 [kvm] [<ffffffffa00177e5>] kvm_arch_vcpu_ioctl_run+0xc95/0xe20 [kvm] [<ffffffffa0015fc0>] ? kvm_arch_vcpu_load+0x50/0x140 [kvm] [<ffffffffa0005811>] kvm_vcpu_ioctl+0x561/0x860 [kvm] [<ffffffff818278c8>] ? sys_sendto+0x138/0x140 [<ffffffff81131087>] do_vfs_ioctl+0xa7/0x560 [<ffffffff8113158f>] sys_ioctl+0x4f/0x80 [<ffffffff81003042>] system_call_fastpath+0x16/0x1b Code: e1 0f 0b eb fe 48 89 de 48 c7 c7 4e ab 03 a0 31 c0 e8 2a 20 99 e1 0f 0b eb fe 48 89 de 48 c7 c7 33 ab 03 a0 31 c0 e8 15 20 99 e1 <0f> 0b eb fe 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 RIP [<ffffffffa001c5ae>] drop_spte+0x1de/0x1f0 [kvm] RSP <ffff88002646ba18> ---[ end trace 75c63c522243bec7 ]--- DEV-10.98.98.1:~# -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
