for this thing , we have known that , we can append "x2apic_phys" to tell linux kernel we support x2apic physical mode. but I found that x2apic_phys is not enough .we still found panic info in RHEL6.2(2.6.32) kernel,but on linux kernel-3.4.4 ,no this issue again. any comment for this bug ? Initializing cgroup subsys ns Initializing cgroup subsys cpuacct Initializing cgroup subsys memory Initializing cgroup subsys devices Initializing cgroup subsys freezer Initializing cgroup subsys net_cls Initializing cgroup subsys blkio Initializing cgroup subsys perf_event CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 mce: CPU supports 24 MCE banks CPU0: Thermal monitoring enabled (TM1) using mwait in idle threads. ACPI: Core revision 20090903 ftrace: converting mcount calls to 0f 1f 44 00 00 ftrace: allocating 20776 entries in 82 pages DMAR: Host address width 40 DMAR: DRHD base: 0x000000ace00000 flags: 0x0 IOMMU ace00000: ver 1:0 cap c90780106f0462 ecap f0207e DMAR: DRHD base: 0x000000a8000000 flags: 0x1 IOMMU a8000000: ver 1:0 cap c90780106f0462 ecap f0207e DMAR: RMRR base: 0x0000007f7ee000 end: 0x0000007f7effff DMAR: RMRR base: 0x0000007f7e7000 end: 0x0000007f7ecfff DMAR: RMRR base: 0x0000007f61e000 end: 0x0000007f61ffff DMAR: ATSR flags: 0x0 DMAR: ATSR flags: 0x0 IOAPIC id 10 under DRHD base 0xace00000 IOAPIC id 8 under DRHD base 0xa8000000 IOAPIC id 0 under DRHD base 0xa8000000 Enabled IRQ remapping in x2apic modef NMI: IOCK error (debug interrupt?) CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.32-220.el6.x86_64 #1 HP ProLiant DL980 G7 RIP: 0010:[<ffffffff8100f937>] [<ffffffff8100f937>] mask_and_ack_8259A+0x57/0x110 RSP: 0018:ffff880045603f08 EFLAGS: 00000046 RAX: 00000000000000ff RBX: 000000000000ffff RCX: 00000000000001c0 RDX: 0000000000000082 RSI: ffffffff81a83240 RDI: ffffffff81dd65e0 RBP: ffff880045603f28 R08: ffff88086c42e000 R09: ffff88086c42fe30 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000082 R14: ffff88086c42fd88 R15: 0000000000015e40 FS: 0000000000000000(0000) GS:ffff880045600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000000 CR3: 0000000001a85000 CR4: 00000000000006f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88086c42e000, task ffff88e7ecdc4040) Stack: 0000000000000046 ffffffff81a83240 ffffffff81a832ac 0000000000000000 <0> ffff880045603f58 ffffffff810dc3ca ffffffff8100c24c 0000000000000000 <0> 0000000000000030 0000000000000000 ffff880045603f78 ffffffff8100df09 Call Trace: <IRQ> [<ffffffff810dc3ca>] handle_level_irq+0x3a/0x130 [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30 [<ffffffff8100df09>] handle_irq+0x49/0xa0 [<ffffffff814f4d0c>] do_IRQ+0x6c/0xf0 [<ffffffff8100ba53>] ret_from_intr+0x0/0x11 <EOI> [<ffffffff81c303ec>] ? enable_IR_x2apic+0x18a/0x221 [<ffffffff81c2e189>] native_smp_prepareus+0x143/0x389 [<ffffffff81c1f740>] kernel_init+0x112/0x2f9 [<ffffffff8100c14a>] child_rip+0xa/0x20 [<ffffffff81c1f62e>] ? kernel_init+0x0/0x2f9 [<ffffffff8100c140>] ? child_rip+0x0/0x20 Code: e8 ef f8 4d 00 49 89 c5 8b 05 16 f7 a7 00 85 c3 75 42 09 c3 89 1d 0a f7 a7 00 41 f6 c4 08 75 6d e4 21 0f b6 05 fb f6 a7 00 e6 21 <41> 8d 44 24 60 e6 20 4c 89 ee 48 c7 c7 e0 65 dd 81 e8 23 fa 4d NMI: IOCK error (debug interrupt?) CPU 0 Modules linked in: -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
