https://bugzilla.kernel.org/show_bug.cgi?id=27052 --- Comment #28 from prochazka <prochazka.nicolas@xxxxxxxxx> 2011-02-11 15:43:22 --- Marcelo, debug info Regards, Nicolas general protection fault: 0000 [#1] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 0 Modules linked in: kvm_intel kvm [last unloaded: kvm] Pid: 8532, comm: run Not tainted 2.6.37 #3 0P010H/PowerEdge M600 RIP: 0010:[<ffffffff8113a3e8>] [<ffffffff8113a3e8>] dup_fd+0x168/0x300 RSP: 0018:ffff8807e3df3d90 EFLAGS: 00010206 RAX: 00000000000007f8 RBX: ffff88022be64580 RCX: bfffffffffffffff RDX: 00008807fe5ed0c0 RSI: 00000000000000ff RDI: 0000000000000800 RBP: ffff8807e3df3df0 R08: ffff88022c413a80 R09: 0000000000000003 R10: 0000000000000001 R11: 4000000000000000 R12: ffff8807fea2f000 R13: ffff88022c413e80 R14: ffff8807e7a9d000 R15: 0000000000000100 FS: 00007ffaa073f700(0000) GS:ffff8800bfc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000006d6878 CR3: 00000007e79eb000 CR4: 00000000000426e0 DR0: 0000000000000001 DR1: 0000000000000002 DR2: 0000000000000001 DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process run (pid: 8532, threadinfo ffff8807e3df2000, task ffff8807fe78a000) Stack: ffff880200000000 0000000100000282 0000000000000020 ffff8807e7e3e440 ffff8807fe93ac08 ffff8807fe93ac80 00007ffaa073f9d0 ffff88022d35e000 0000000000000000 0000000001200011 00007ffaa073f9d0 0000000000000000 Call Trace: [<ffffffff8104fdba>] copy_process+0x9fa/0x11e0 [<ffffffff81031e78>] ? do_page_fault+0x1b8/0x480 [<ffffffff81050621>] do_fork+0x81/0x3f0 [<ffffffff810634cd>] ? do_sigaction+0x13d/0x1e0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff81062eb1>] ? sigprocmask+0x91/0x110 [<ffffffff8100c498>] sys_clone+0x28/0x30 [<ffffffff810032e3>] stub_clone+0x13/0x20 [<ffffffff81003042>] ? system_call_fastpath+0x16/0x1b Code: 4c 89 c2 e8 5b 83 23 00 45 85 ff 74 77 41 8d 47 ff 31 f6 48 8d 3c c5 08 00 00 00 41 ba 01 00 00 00 31 c0 eb 1a 66 0f 1f 44 00 00 <f0> 48 ff 42 30 49 89 14 04 ff c6 48 83 c0 08 48 39 f8 74 3c 49 RIP [<ffffffff8113a3e8>] dup_fd+0x168/0x300 RSP <ffff8807e3df3d90> ---[ end trace 89621523c6ce6788 ]--- general protection fault: 0000 [#2] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 0 Modules linked in: kvm_intel kvm [last unloaded: kvm] Pid: 8532, comm: run Tainted: G D 2.6.37 #3 0P010H/PowerEdge M600 RIP: 0010:[<ffffffff8111f5f9>] [<ffffffff8111f5f9>] filp_close+0x19/0x90 RSP: 0018:ffff8807e3df3b18 EFLAGS: 00010286 RAX: ffff8807e7a9d7f8 RBX: 0000000000000003 RCX: ffff8807e7e3ec80 RDX: 0000000000000000 RSI: ffff8807fe93ac00 RDI: 00008807fe5ed0c0 RBP: ffff8807e3df3b38 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8807e7c4b790 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8807e7e3e440 R14: ffff8807fe93ac00 R15: 00000000000000ff FS: 0000000000000000(0000) GS:ffff8800bfc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000006d6878 CR3: 0000000001d87000 CR4: 00000000000426e0 DR0: 0000000000000001 DR1: 0000000000000002 DR2: 0000000000000001 DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process run (pid: 8532, threadinfo ffff8807e3df2000, task ffff8807fe78a000) Stack: 0000000000000077 0000000000000003 0000000000000001 ffff8807e7e3e440 ffff8807e3df3b88 ffffffff810539e0 ffff8807fe78a000 0000000000000000 0000000000000000 ffff8807fe93ac00 ffff8807fe78a4b4 ffff8807fe78a000 Call Trace: [<ffffffff810539e0>] put_files_struct+0xd0/0xf0 [<ffffffff81053a54>] exit_files+0x54/0x70 [<ffffffff8105540e>] do_exit+0x14e/0x800 [<ffffffff8100740f>] oops_end+0xaf/0xf0 [<ffffffff8100765b>] die+0x5b/0x90 [<ffffffff81004e72>] do_general_protection+0x162/0x170 [<ffffffff819b18b5>] general_protection+0x25/0x30 [<ffffffff8113a3e8>] ? dup_fd+0x168/0x300 [<ffffffff8104fdba>] copy_process+0x9fa/0x11e0 [<ffffffff81031e78>] ? do_page_fault+0x1b8/0x480 [<ffffffff81050621>] do_fork+0x81/0x3f0 [<ffffffff810634cd>] ? do_sigaction+0x13d/0x1e0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff81062eb1>] ? sigprocmask+0x91/0x110 [<ffffffff8100c498>] sys_clone+0x28/0x30 [<ffffffff810032e3>] stub_clone+0x13/0x20 [<ffffffff81003042>] ? system_call_fastpath+0x16/0x1b Code: 5d e8 4c 8b 65 f0 4c 8b 6d f8 c9 c3 66 0f 1f 44 00 00 55 48 89 e5 48 83 ec 20 48 89 5d e8 4c 89 65 f0 4c 89 6d f8 0f 1f 44 00 00 <48> 8b 47 30 48 89 fb 49 89 f4 48 85 c0 74 4d 48 8b 47 20 48 85 RIP [<ffffffff8111f5f9>] filp_close+0x19/0x90 RSP <ffff8807e3df3b18> ---[ end trace 89621523c6ce6789 ]--- Fixing recursive fault but reboot is needed! gfn=dead01ff idx=511 lvl=1 d=0 spte=0 old_spte=fffffffff001 sp->gfns[511] = dead01ff sp->gfns[511] = dead01ff sp->gfns[511] = dead01ff sp->gfns[510] = dead01fe sp->gfns[509] = dead01fd sp->gfns[508] = dead01fc sp->gfns[507] = dead01fb ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/mmu.c:727! invalid opcode: 0000 [#3] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:02.0/0000:01:00.0/0000:02:01.0/0000:05:00.0/0000:06:00.0/irq CPU 4 Modules linked in: kvm_intel kvm [last unloaded: kvm] Pid: 8790, comm: qemu Tainted: G D 2.6.37 #3 0P010H/PowerEdge M600 RIP: 0010:[<ffffffffa008a810>] [<ffffffffa008a810>] drop_spte+0x2d0/0x2e0 [kvm] RSP: 0018:ffff88029c8cb9e8 EFLAGS: 00010246 RAX: 000000000000001f RBX: ffff88022d29fff8 RCX: 000000000003ffff RDX: ffffffff81d970c8 RSI: 0000000000000086 RDI: 0000000000000246 RBP: ffff88029c8cba28 R08: 000000000001764e R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000000d R12: 00000000dead01ff R13: ffff880273745320 R14: ffff880293324000 R15: 0000fffffffff001 FS: 00007fe7fcb59710(0000) GS:ffff8800bfd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b CR2: 000000007ca29600 CR3: 000000026a538000 CR4: 00000000000426e0 DR0: 00000000000000a0 DR1: 0000000000000000 DR2: 0000000000000003 DR3: 00000000000000b0 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process qemu (pid: 8790, threadinfo ffff88029c8ca000, task ffff8807e2b66000) Stack: 0000fffffffff001 ffff8801d6914148 ffff88029c8cba28 0000000000000ff8 ffff880273745320 00000000027237fc ffff88026e95b490 ffff88029c8cba84 ffff88029c8cbab8 ffffffffa008f2f5 0000000400000001 00000000000032ae Call Trace: [<ffffffffa008f2f5>] paging32_sync_page+0xe5/0x1c0 [kvm] [<ffffffffa008afca>] __kvm_sync_page+0x5a/0xb0 [kvm] [<ffffffffa008d909>] mmu_sync_children+0x249/0x350 [kvm] [<ffffffffa008e58d>] ? kvm_mmu_get_page+0x4dd/0x730 [kvm] [<ffffffffa008dad8>] mmu_sync_roots+0xc8/0x160 [kvm] [<ffffffffa008e860>] kvm_mmu_load+0x80/0x420 [kvm] [<ffffffffa00857e5>] kvm_arch_vcpu_ioctl_run+0xc95/0xe20 [kvm] [<ffffffffa0073811>] kvm_vcpu_ioctl+0x561/0x860 [kvm] [<ffffffff81063e74>] ? __dequeue_signal+0xf4/0x190 [<ffffffff810642c1>] ? dequeue_signal+0x41/0x170 [<ffffffff81131087>] do_vfs_ioctl+0xa7/0x560 [<ffffffff810840fe>] ? sys_futex+0xce/0x170 [<ffffffff8113158f>] sys_ioctl+0x4f/0x80 [<ffffffff81003042>] system_call_fastpath+0x16/0x1b Code: 05 48 89 da 41 83 e0 01 49 2b 55 30 48 c7 c7 78 75 0a a0 48 c1 fa 03 4c 89 3c 24 4c 8b 0b e8 bb 3d 92 e1 48 89 df e8 d0 fb ff ff <0f> 0b eb fe 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 RIP [<ffffffffa008a810>] drop_spte+0x2d0/0x2e0 [kvm] RSP <ffff88029c8cb9e8> ---[ end trace 89621523c6ce678a ]--- general protection fault: 0000 [#4] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 7 Modules linked in: kvm_intel kvm [last unloaded: kvm] Pid: 1, comm: init Tainted: G D 2.6.37 #3 0P010H/PowerEdge M600 RIP: 0010:[<ffffffff8113a3e8>] [<ffffffff8113a3e8>] dup_fd+0x168/0x300 RSP: 0018:ffff88080014fd90 EFLAGS: 00010206 RAX: 00000000000007f8 RBX: ffff8807e7e35340 RCX: bfffffffffffffff RDX: 00008807e7da63c0 RSI: 00000000000000ff RDI: 0000000000000800 RBP: ffff88080014fdf0 R08: ffff8802d67dc980 R09: 0000000000000003 R10: 0000000000000001 R11: 4000000000000000 R12: ffff8807e7aa6000 R13: ffff8802d67dc540 R14: ffff8807fe6d8800 R15: 0000000000000100 FS: 00007f5239c31700(0000) GS:ffff8800bfdc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000006d7bc8 CR3: 00000007fe6a3000 CR4: 00000000000426e0 DR0: 0000000000000001 DR1: 0000000000000002 DR2: 0000000000000001 DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff88080014e000, task ffff88083f82a000) Stack: ffff880200000007 0000000100000282 0000000000000020 ffff8807fe419600 ffff880800150008 ffff880800150080 00007f5239c319d0 ffff8802fa5eb000 0000000000000000 0000000001200011 00007f5239c319d0 0000000000000000 Call Trace: [<ffffffff8104fdba>] copy_process+0x9fa/0x11e0 [<ffffffff81031e78>] ? do_page_fault+0x1b8/0x480 [<ffffffff81050621>] do_fork+0x81/0x3f0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff810634cd>] ? do_sigaction+0x13d/0x1e0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff81062eb1>] ? sigprocmask+0x91/0x110 [<ffffffff8100c498>] sys_clone+0x28/0x30 [<ffffffff810032e3>] stub_clone+0x13/0x20 [<ffffffff81003042>] ? system_call_fastpath+0x16/0x1b Code: 4c 89 c2 e8 5b 83 23 00 45 85 ff 74 77 41 8d 47 ff 31 f6 48 8d 3c c5 08 00 00 00 41 ba 01 00 00 00 31 c0 eb 1a 66 0f 1f 44 00 00 <f0> 48 ff 42 30 49 89 14 04 ff c6 48 83 c0 08 48 39 f8 74 3c 49 RIP [<ffffffff8113a3e8>] dup_fd+0x168/0x300 RSP <ffff88080014fd90> ---[ end trace 89621523c6ce678b ]--- general protection fault: 0000 [#5] SMP last sysfs file: /sys/devices/system/cpu/cpu7/cache/index2/shared_cpu_map CPU 7 Modules linked in: kvm_intel kvm [last unloaded: kvm] Pid: 1, comm: init Tainted: G D 2.6.37 #3 0P010H/PowerEdge M600 RIP: 0010:[<ffffffff8111f5f9>] [<ffffffff8111f5f9>] filp_close+0x19/0x90 RSP: 0018:ffff88080014fb18 EFLAGS: 00010286 RAX: ffff8807fe6d8ff8 RBX: 0000000000000003 RCX: ffff8807fe419700 RDX: 0000000000000000 RSI: ffff880800150000 RDI: 00008807e7da63c0 RBP: ffff88080014fb38 R08: 0000000000000004 R09: 0000000000000000 R10: ffff8800bfeaef28 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8807fe419600 R14: ffff880800150000 R15: 00000000000000ff FS: 0000000000000000(0000) GS:ffff8800bfdc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00000000006d7bc8 CR3: 0000000001d87000 CR4: 00000000000426e0 DR0: 0000000000000001 DR1: 0000000000000002 DR2: 0000000000000001 DR3: 000000000000000a DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process init (pid: 1, threadinfo ffff88080014e000, task ffff88083f82a000) Stack: 0000000000000078 0000000000000003 0000000000000001 ffff8807fe419600 ffff88080014fb88 ffffffff810539e0 ffff88083f82a000 0000000000000000 0000000000000000 ffff880800150000 ffff88083f82a4b4 ffff88083f82a000 Call Trace: [<ffffffff810539e0>] put_files_struct+0xd0/0xf0 [<ffffffff81053a54>] exit_files+0x54/0x70 [<ffffffff8105540e>] do_exit+0x14e/0x800 [<ffffffff8100740f>] oops_end+0xaf/0xf0 [<ffffffff8100765b>] die+0x5b/0x90 [<ffffffff81004e72>] do_general_protection+0x162/0x170 [<ffffffff819b18b5>] general_protection+0x25/0x30 [<ffffffff8113a3e8>] ? dup_fd+0x168/0x300 [<ffffffff8104fdba>] copy_process+0x9fa/0x11e0 [<ffffffff81031e78>] ? do_page_fault+0x1b8/0x480 [<ffffffff81050621>] do_fork+0x81/0x3f0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff810634cd>] ? do_sigaction+0x13d/0x1e0 [<ffffffff819b11c5>] ? _raw_spin_lock_irq+0x15/0x20 [<ffffffff81062eb1>] ? sigprocmask+0x91/0x110 [<ffffffff8100c498>] sys_clone+0x28/0x30 [<ffffffff810032e3>] stub_clone+0x13/0x20 [<ffffffff81003042>] ? system_call_fastpath+0x16/0x1b Code: 5d e8 4c 8b 65 f0 4c 8b 6d f8 c9 c3 66 0f 1f 44 00 00 55 48 89 e5 48 83 ec 20 48 89 5d e8 4c 89 65 f0 4c 89 6d f8 0f 1f 44 00 00 <48> 8b 47 30 48 89 fb 49 89 f4 48 85 c0 74 4d 48 8b 47 20 48 85 RIP [<ffffffff8111f5f9>] filp_close+0x19/0x90 RSP <ffff88080014fb18> ---[ end trace 89621523c6ce678c ]--- Fixing recursive fault but reboot is needed! -- 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
