mohammad mohammadi
2011-Mar-13 05:39 UTC
[Xen-devel] Kernel BUG at drivers/xen/core/smpboot.c:242
Hi. I get kernel panic during boot Xen 4.0.1 along with CentOS 5.5 default Xen kernel (2.6.18.194.el5.xen) I hooked up a serial connection and it is the output during the boot time: \ \/ /___ _ __ | || | / _ \ / | \ // _ \ ''_ \ | || |_| | | || | / \ __/ | | | |__ _| |_| || | /_/\_\___|_| |_| |_|(_)___(_)_| (XEN) Xen version 4.0.1 (mohammad@(none)) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) Tue Mar 8 12:00:47 IRST 2011 (XEN) Latest ChangeSet: unavailable (XEN) Bootloader: GNU GRUB 0.97 (XEN) Command line: console=tty0 console=com1 com1=57600,8n1 (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds (XEN) Disc information: (XEN) Found 0 MBR signatures (XEN) Found 1 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009dc00 (usable) (XEN) 000000000009dc00 - 00000000000a0000 (reserved) (XEN) 00000000000e6000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000d7ea0000 (usable) (XEN) 00000000d7ea0000 - 00000000d7eb6000 (ACPI data) (XEN) 00000000d7eb6000 - 00000000d7ed0000 (ACPI NVS) (XEN) 00000000d7ed0000 - 00000000d7ee0000 (reserved) (XEN) 00000000d7eed000 - 00000000d8000000 (reserved) (XEN) 00000000e0000000 - 00000000f0000000 (reserved) (XEN) 00000000ffc00000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 0000001028000000 (usable) (XEN) ACPI: RSDP 000F96E0, 0024 (r2 ACPIAM) (XEN) ACPI: XSDT D7EA0100, 0064 (r1 082710 XSDT1832 20100827 MSFT 97) (XEN) ACPI: FACP D7EA0290, 00F4 (r4 082710 FACP1832 20100827 MSFT 97) (XEN) ACPI Warning (tbfadt-0444): Optional field "Pm2ControlBlock" has zero address or length: 0000000000000000/1 [20070126] (XEN) ACPI: DSDT D7EA06D0, 52A6 (r2 0AAAA 0AAAA000 0 INTL 20051117) (XEN) ACPI: FACS D7EB6000, 0040 (XEN) ACPI: APIC D7EA0390, 02F8 (r2 082710 APIC1832 20100827 MSFT 97) (XEN) ACPI: MCFG D7EA0690, 003C (r1 082710 OEMMCFG 20100827 MSFT 97) (XEN) ACPI: OEMB D7EB6040, 0082 (r1 082710 OEMB1832 20100827 MSFT 97) (XEN) ACPI: HPET D7EAA6D0, 0038 (r1 082710 OEMHPET 20100827 MSFT 97) (XEN) ACPI: SRAT D7EAA710, 04C0 (r2 AMD F10 1 AMD 1) (XEN) ACPI: SLIT D7EAABD0, 006C (r1 AMD F10 1 AMD 1) (XEN) ACPI: SSDT D7EAAC40, 78B4 (r1 A M I POWERNOW 1 AMD 1) (XEN) System RAM: 65534MB (67107060kB) (XEN) Reserving non-aligned node boundary @ mfn 0xe28000 (XEN) Domain heap initialised DMA width 31 bits (XEN) Processor #16 0:9 APIC version 16 (XEN) Processor #17 0:9 APIC version 16 (XEN) Processor #18 0:9 APIC version 16 (XEN) Processor #19 0:9 APIC version 16 (XEN) Processor #20 0:9 APIC version 16 (XEN) Processor #21 0:9 APIC version 16 (XEN) Processor #22 0:9 APIC version 16 (XEN) Processor #23 0:9 APIC version 16 (XEN) Processor #24 0:9 APIC version 16 (XEN) Processor #25 0:9 APIC version 16 (XEN) Processor #26 0:9 APIC version 16 (XEN) Processor #27 0:9 APIC version 16 (XEN) Processor #32 0:9 APIC version 16 (XEN) Processor #33 0:9 APIC version 16 (XEN) Processor #34 0:9 APIC version 16 (XEN) Processor #35 0:9 APIC version 16 (XEN) Processor #36 0:9 APIC version 16 (XEN) Processor #37 0:9 APIC version 16 (XEN) Processor #38 0:9 APIC version 16 (XEN) Processor #39 0:9 APIC version 16 (XEN) Processor #40 0:9 APIC version 16 (XEN) Processor #41 0:9 APIC version 16 (XEN) Processor #42 0:9 APIC version 16 (XEN) Processor #43 0:9 APIC version 16 (XEN) Processor #48 0:9 APIC version 16 (XEN) Processor #49 0:9 APIC version 16 (XEN) Processor #50 0:9 APIC version 16 (XEN) Processor #51 0:9 APIC version 16 (XEN) Processor #52 0:9 APIC version 16 (XEN) Processor #53 0:9 APIC version 16 (XEN) Processor #54 0:9 APIC version 16 (XEN) Processor #55 0:9 APIC version 16 (XEN) Processor #56 0:9 APIC version 16 (XEN) Processor #57 0:9 APIC version 16 (XEN) Processor #58 0:9 APIC version 16 (XEN) Processor #59 0:9 APIC version 16 (XEN) Processor #64 0:9 APIC version 16 (XEN) Processor #65 0:9 APIC version 16 (XEN) Processor #66 0:9 APIC version 16 (XEN) Processor #67 0:9 APIC version 16 (XEN) Processor #68 0:9 APIC version 16 (XEN) Processor #69 0:9 APIC version 16 (XEN) Processor #70 0:9 APIC version 16 (XEN) Processor #71 0:9 APIC version 16 (XEN) Processor #72 0:9 APIC version 16 (XEN) Processor #73 0:9 APIC version 16 (XEN) Processor #74 0:9 APIC version 16 (XEN) Processor #75 0:9 APIC version 16 (XEN) IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23 (XEN) IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55 (XEN) Enabling APIC mode: Phys. Using 2 I/O APICs (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2200.066 MHz processor. (XEN) Initing memory sharing. (XEN) HVM: ASIDs enabled. (XEN) HVM: SVM enabled (XEN) HVM: Hardware Assisted Paging detected. (XEN) AMD-Vi: IOMMU not found! (XEN) I/O virtualisation disabled (XEN) Total of 48 processors activated. (XEN) ENABLING IO-APIC IRQs (XEN) -> Using new ACK method (XEN) TSC is reliable, synchronization unnecessary (XEN) Platform timer is 14.318MHz HPET �(XEN) Allocated console ring of 128 KiB. (XEN) do_IRQ: 1.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 2.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 3.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 4.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 5.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 6.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 7.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 8.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 9.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 10.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 11.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 12.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 13.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 14.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 15.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 16.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 17.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 18.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 19.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 20.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 21.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 22.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 23.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 24.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 25.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 26.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 27.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 28.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 29.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 30.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 31.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 32.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 33.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 34.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 35.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 36.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 37.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 38.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 39.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 40.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 41.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 42.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 43.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 44.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 45.231 No irq handler for vector (irq -1) (XEN) do_IRQ: 46.231 No irq handler for vector (irq -1) (XEN) Brought up 48 CPUs (XEN) do_IRQ: 47.231 No irq handler for vector (irq -1) (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 -> 0xffffffff8075decc (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 0000000210000000->0000000220000000 (16494980 pages to be allocated) (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff80200000->ffffffff8075decc (XEN) Init. ramdisk: ffffffff8075e000->ffffffff80e3a800 (XEN) Phys-Mach map: ffffffff80e3b000->ffffffff88c93c20 (XEN) Start info: ffffffff88c94000->ffffffff88c944b4 (XEN) Page tables: ffffffff88c95000->ffffffff88ce0000 (XEN) Boot stack: ffffffff88ce0000->ffffffff88ce1000 (XEN) TOTAL: ffffffff80000000->ffffffff89000000 (XEN) ENTRY ADDRESS: ffffffff80200000 (XEN) Dom0 has maximum 48 VCPUs (XEN) Scrubbing Free RAM: .done. (XEN) Xen trace buffers: disabled (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three times to switch input to Xen) (XEN) Freed 168kB init memory. kernel direct mapping tables up to fcb984000 @ 8d1e000-18a5a000 Bootdata ok (command line is ro root=LABEL=/ rhgb xencons=ttyS0 console=ttyS0) Linux version 2.6.18-194.el5.customxen (mohammad@xen-test.nhpcc.iut) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Tue Mar 8 13:09:26 IRST 2011 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000fcb984000 (usable) DMI present. ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x11] enabled) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x12] enabled) ACPI: LAPIC (acpi_id[0x04] lapic_id[0x13] enabled) ACPI: LAPIC (acpi_id[0x05] lapic_id[0x14] enabled) ACPI: LAPIC (acpi_id[0x06] lapic_id[0x15] enabled) ACPI: LAPIC (acpi_id[0x07] lapic_id[0x16] enabled) ACPI: LAPIC (acpi_id[0x08] lapic_id[0x17] enabled) ACPI: LAPIC (acpi_id[0x09] lapic_id[0x18] enabled) ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x19] enabled) ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x1a] enabled) ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x1b] enabled) ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x20] enabled) ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x21] enabled) ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x22] enabled) ACPI: LAPIC (acpi_id[0x10] lapic_id[0x23] enabled) ACPI: LAPIC (acpi_id[0x11] lapic_id[0x24] enabled) ACPI: LAPIC (acpi_id[0x12] lapic_id[0x25] enabled) ACPI: LAPIC (acpi_id[0x13] lapic_id[0x26] enabled) ACPI: LAPIC (acpi_id[0x14] lapic_id[0x27] enabled) ACPI: LAPIC (acpi_id[0x15] lapic_id[0x28] enabled) ACPI: LAPIC (acpi_id[0x16] lapic_id[0x29] enabled) ACPI: LAPIC (acpi_id[0x17] lapic_id[0x2a] enabled) ACPI: LAPIC (acpi_id[0x18] lapic_id[0x2b] enabled) ACPI: LAPIC (acpi_id[0x19] lapic_id[0x30] enabled) ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x31] enabled) ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x32] enabled) ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x33] enabled) ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x34] enabled) ACPI: LAPIC (acpi_id[0x1e] lapic_id[0x35] enabled) ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x36] enabled) ACPI: LAPIC (acpi_id[0x20] lapic_id[0x37] enabled) ACPI: LAPIC (acpi_id[0x21] lapic_id[0x38] enabled) ACPI: LAPIC (acpi_id[0x22] lapic_id[0x39] enabled) ACPI: LAPIC (acpi_id[0x23] lapic_id[0x3a] enabled) ACPI: LAPIC (acpi_id[0x24] lapic_id[0x3b] enabled) ACPI: LAPIC (acpi_id[0x25] lapic_id[0x40] enabled) ACPI: LAPIC (acpi_id[0x26] lapic_id[0x41] enabled) ACPI: LAPIC (acpi_id[0x27] lapic_id[0x42] enabled) ACPI: LAPIC (acpi_id[0x28] lapic_id[0x43] enabled) ACPI: LAPIC (acpi_id[0x29] lapic_id[0x44] enabled) ACPI: LAPIC (acpi_id[0x2a] lapic_id[0x45] enabled) ACPI: LAPIC (acpi_id[0x2b] lapic_id[0x46] enabled) ACPI: LAPIC (acpi_id[0x2c] lapic_id[0x47] enabled) ACPI: LAPIC (acpi_id[0x2d] lapic_id[0x48] enabled) ACPI: LAPIC (acpi_id[0x2e] lapic_id[0x49] enabled) ACPI: LAPIC (acpi_id[0x2f] lapic_id[0x4a] enabled) ACPI: LAPIC (acpi_id[0x30] lapic_id[0x4b] enabled) ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x10] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x11] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x12] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x13] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x14] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x15] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x16] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x17] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x18] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x19] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1a] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1b] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1c] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1d] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1e] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x1f] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x20] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x21] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x22] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x23] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x24] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x25] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x26] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x27] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x28] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x29] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2a] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2b] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2c] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2d] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2e] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x2f] high edge lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0x30] high edge lint[0x1]) ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23 ACPI: IOAPIC (id[0x01] address[0xfec20000] gsi_base[24]) IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) Setting APIC routing to xen Using ACPI (MADT) for SMP configuration information Allocating PCI resources starting at f1000000 (gap: f0000000:ec00000) Built 1 zonelists. Total pages: 16562564 Kernel command line: ro root=LABEL=/ rhgb xencons=ttyS0 console=ttyS0 Initializing CPU#0 PID hash table entries: 4096 (order: 12, 32768 bytes) Xen reported: 2200.066 MHz processor. Console: colour VGA+ 80x25 Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) Software IO TLB enabled: Aperture: 64 megabytes Kernel range: 0xffff8800500bf000 - 0xffff8800540bf000 PCI-DMA: Using software bounce buffering for IO (SWIOTLB) Memory: 64897092k/66250256k available (2512k kernel code, 1344284k reserved, 1396k data, 184k init) Calibrating delay using timer specific routine.. 5501.64 BogoMIPS (lpj=11003297) Security Framework v1.0.0 initialized SELinux: Initializing. selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 256 CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) CPU: L2 Cache: 512K (64 bytes/line) CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 (SMP-)alternatives turned off ACPI: Core revision 20060707 Initializing CPU#1 Initializing CPU#2 Initializing CPU#3 Initializing CPU#4 Initializing CPU#5 Initializing CPU#6 Initializing CPU#7 Initializing CPU#8 Initializing CPU#9 Initializing CPU#10 Initializing CPU#11 Initializing CPU#12 Initializing CPU#13 Initializing CPU#14 Initializing CPU#15 Initializing CPU#16 Initializing CPU#17 Initializing CPU#18 Initializing CPU#19 Initializing CPU#20 Initializing CPU#21 Initializing CPU#22 Initializing CPU#23 Initializing CPU#24 Initializing CPU#25 Initializing CPU#26 Initializing CPU#27 Initializing CPU#28 Initializing CPU#29 Initializing CPU#30 Initializing CPU#31 ----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at drivers/xen/core/smpboot.c:242 invalid opcode: 0000 [1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.18-194.el5.customxen #1 RIP: e030:[<ffffffff803b61ad>] [<ffffffff803b61ad>] __cpu_up+0x269/0x377 RSP: e02b:ffff880010d09e20 EFLAGS: 00010282 RAX: ffffffffffffffea RBX: 0000000000000140 RCX: ffffffff804f67c0 RDX: ffff880000e4c000 RSI: 0000000000000020 RDI: 0000000000000000 RBP: ffff880000e4c000 R08: 00000000ffffffff R09: 0000000000000000 R10: ffff880000e4c000 R11: 0000000000000200 R12: ffffffff804f3f40 R13: 0000000000000020 R14: ffff88005417d7a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff805d2000(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 Process swapper (pid: 1, threadinfo ffff880010d08000, task ffff880010d0b7a0) Stack: 0000000100000000 0000000000000000 0000000000000000 0000000000000000 0000000000000020 0000000000000020 0000000000000020 ffffffff802903b1 0000000000000063 0000000000000000 Call Trace: [<ffffffff802903b1>] cpu_callback+0xdd/0x177 [<ffffffff802a0c34>] cpu_up+0xc7/0x12c [<ffffffff8064c6a7>] init+0xb5/0x2fe [<ffffffff80260b2c>] child_rip+0xa/0x12 [<ffffffff8036dc2c>] acpi_ds_init_one_object+0x0/0x80 [<ffffffff8064c5f2>] init+0x0/0x2fe [<ffffffff80260b22>] child_rip+0x0/0x12 Code: 0f 0b 68 f8 60 4b 80 c2 f2 00 48 89 ef e8 79 58 e5 ff be ff RIP [<ffffffff803b61ad>] __cpu_up+0x269/0x377 RSP <ffff880010d09e20> <0>Kernel panic - not syncing: Fatal exception (XEN) Domain 0 crashed: rebooting machine in 5 seconds. Why there is a kernel bug at drivers/xen/core/smpboot.c:242?!! I am using a Tyan server which has 48 AMD cores and 64GB RAM. Has anybody got an idea about this bug?! _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel
Jan Beulich
2011-Mar-14 09:34 UTC
Re: [Xen-devel] Kernel BUG at drivers/xen/core/smpboot.c:242
>>> On 13.03.11 at 06:39, mohammad mohammadi <m_mohammadi_dinani@yahoo.com> wrote: > Hi. > I get kernel panic during boot Xen 4.0.1 along with CentOS 5.5 default Xen > kernel (2.6.18.194.el5.xen) > I hooked up a serial connection and it is the output during the boot time: > > > > > \ \/ /___ _ __ | || | / _ \ / > | > > \ // _ \ ''_ \ | || |_| | | || > | > > / \ __/ | | | |__ _| |_| || > | > > /_/\_\___|_| |_| |_|(_)___(_)_| > > > > (XEN) Xen version 4.0.1 (mohammad@(none)) (gcc version 4.1.2 20080704 (Red > Hat > 4.1.2-48)) Tue Mar 8 12:00:47 IRST 2011 > (XEN) Latest ChangeSet: unavailable > (XEN) Bootloader: GNU GRUB 0.97 > (XEN) Command line: console=tty0 console=com1 com1=57600,8n1 > (XEN) Video information: > (XEN) VGA is text mode 80x25, font 8x16 > (XEN) VBE/DDC methods: V2; EDID transfer time: 1 seconds > (XEN) Disc information: > (XEN) Found 0 MBR signatures > (XEN) Found 1 EDD information structures > (XEN) Xen-e820 RAM map: > (XEN) 0000000000000000 - 000000000009dc00 (usable) > (XEN) 000000000009dc00 - 00000000000a0000 (reserved) > (XEN) 00000000000e6000 - 0000000000100000 (reserved) > (XEN) 0000000000100000 - 00000000d7ea0000 (usable) > (XEN) 00000000d7ea0000 - 00000000d7eb6000 (ACPI data) > (XEN) 00000000d7eb6000 - 00000000d7ed0000 (ACPI NVS) > (XEN) 00000000d7ed0000 - 00000000d7ee0000 (reserved) > (XEN) 00000000d7eed000 - 00000000d8000000 (reserved) > (XEN) 00000000e0000000 - 00000000f0000000 (reserved) > (XEN) 00000000ffc00000 - 0000000100000000 (reserved) > (XEN) 0000000100000000 - 0000001028000000 (usable) > (XEN) ACPI: RSDP 000F96E0, 0024 (r2 ACPIAM) > (XEN) ACPI: XSDT D7EA0100, 0064 (r1 082710 XSDT1832 20100827 MSFT 97) > (XEN) ACPI: FACP D7EA0290, 00F4 (r4 082710 FACP1832 20100827 MSFT 97) > (XEN) ACPI Warning (tbfadt-0444): Optional field "Pm2ControlBlock" has zero > address or length: 0000000000000000/1 [20070126] > (XEN) ACPI: DSDT D7EA06D0, 52A6 (r2 0AAAA 0AAAA000 0 INTL 20051117) > (XEN) ACPI: FACS D7EB6000, 0040 > (XEN) ACPI: APIC D7EA0390, 02F8 (r2 082710 APIC1832 20100827 MSFT 97) > (XEN) ACPI: MCFG D7EA0690, 003C (r1 082710 OEMMCFG 20100827 MSFT 97) > (XEN) ACPI: OEMB D7EB6040, 0082 (r1 082710 OEMB1832 20100827 MSFT 97) > (XEN) ACPI: HPET D7EAA6D0, 0038 (r1 082710 OEMHPET 20100827 MSFT 97) > (XEN) ACPI: SRAT D7EAA710, 04C0 (r2 AMD F10 1 AMD 1) > (XEN) ACPI: SLIT D7EAABD0, 006C (r1 AMD F10 1 AMD 1) > (XEN) ACPI: SSDT D7EAAC40, 78B4 (r1 A M I POWERNOW 1 AMD 1) > (XEN) System RAM: 65534MB (67107060kB) > (XEN) Reserving non-aligned node boundary @ mfn 0xe28000 > (XEN) Domain heap initialised DMA width 31 bits > (XEN) Processor #16 0:9 APIC version 16 > (XEN) Processor #17 0:9 APIC version 16 > (XEN) Processor #18 0:9 APIC version 16 > (XEN) Processor #19 0:9 APIC version 16 > (XEN) Processor #20 0:9 APIC version 16 > (XEN) Processor #21 0:9 APIC version 16 > (XEN) Processor #22 0:9 APIC version 16 > (XEN) Processor #23 0:9 APIC version 16 > (XEN) Processor #24 0:9 APIC version 16 > (XEN) Processor #25 0:9 APIC version 16 > (XEN) Processor #26 0:9 APIC version 16 > (XEN) Processor #27 0:9 APIC version 16 > (XEN) Processor #32 0:9 APIC version 16 > (XEN) Processor #33 0:9 APIC version 16 > (XEN) Processor #34 0:9 APIC version 16 > (XEN) Processor #35 0:9 APIC version 16 > (XEN) Processor #36 0:9 APIC version 16 > (XEN) Processor #37 0:9 APIC version 16 > (XEN) Processor #38 0:9 APIC version 16 > (XEN) Processor #39 0:9 APIC version 16 > (XEN) Processor #40 0:9 APIC version 16 > (XEN) Processor #41 0:9 APIC version 16 > (XEN) Processor #42 0:9 APIC version 16 > (XEN) Processor #43 0:9 APIC version 16 > (XEN) Processor #48 0:9 APIC version 16 > (XEN) Processor #49 0:9 APIC version 16 > (XEN) Processor #50 0:9 APIC version 16 > (XEN) Processor #51 0:9 APIC version 16 > (XEN) Processor #52 0:9 APIC version 16 > (XEN) Processor #53 0:9 APIC version 16 > (XEN) Processor #54 0:9 APIC version 16 > (XEN) Processor #55 0:9 APIC version 16 > (XEN) Processor #56 0:9 APIC version 16 > (XEN) Processor #57 0:9 APIC version 16 > (XEN) Processor #58 0:9 APIC version 16 > (XEN) Processor #59 0:9 APIC version 16 > (XEN) Processor #64 0:9 APIC version 16 > (XEN) Processor #65 0:9 APIC version 16 > (XEN) Processor #66 0:9 APIC version 16 > (XEN) Processor #67 0:9 APIC version 16 > (XEN) Processor #68 0:9 APIC version 16 > (XEN) Processor #69 0:9 APIC version 16 > (XEN) Processor #70 0:9 APIC version 16 > (XEN) Processor #71 0:9 APIC version 16 > (XEN) Processor #72 0:9 APIC version 16 > (XEN) Processor #73 0:9 APIC version 16 > (XEN) Processor #74 0:9 APIC version 16 > (XEN) Processor #75 0:9 APIC version 16 > (XEN) IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23 > (XEN) IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55 > (XEN) Enabling APIC mode: Phys. Using 2 I/O APICs > (XEN) Using scheduler: SMP Credit Scheduler (credit) > (XEN) Detected 2200.066 MHz processor. > (XEN) Initing memory sharing. > (XEN) HVM: ASIDs enabled. > (XEN) HVM: SVM enabled > (XEN) HVM: Hardware Assisted Paging detected. > (XEN) AMD-Vi: IOMMU not found! > (XEN) I/O virtualisation disabled > (XEN) Total of 48 processors activated. > (XEN) ENABLING IO-APIC IRQs > (XEN) -> Using new ACK method > (XEN) TSC is reliable, synchronization unnecessary > (XEN) Platform timer is 14.318MHz HPET > (XEN) Allocated console ring of 128 KiB. > (XEN) do_IRQ: 1.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 2.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 3.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 4.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 5.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 6.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 7.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 8.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 9.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 10.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 11.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 12.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 13.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 14.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 15.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 16.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 17.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 18.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 19.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 20.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 21.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 22.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 23.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 24.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 25.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 26.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 27.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 28.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 29.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 30.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 31.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 32.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 33.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 34.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 35.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 36.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 37.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 38.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 39.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 40.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 41.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 42.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 43.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 44.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 45.231 No irq handler for vector (irq -1) > (XEN) do_IRQ: 46.231 No irq handler for vector (irq -1) > (XEN) Brought up 48 CPUs > (XEN) do_IRQ: 47.231 No irq handler for vector (irq -1) > (XEN) *** LOADING DOMAIN 0 *** > (XEN) Xen kernel: 64-bit, lsb, compat32 > (XEN) Dom0 kernel: 64-bit, lsb, paddr 0xffffffff80200000 -> > 0xffffffff8075decc > (XEN) PHYSICAL MEMORY ARRANGEMENT: > (XEN) Dom0 alloc.: 0000000210000000->0000000220000000 (16494980 pages to > be > allocated) > (XEN) VIRTUAL MEMORY ARRANGEMENT: > (XEN) Loaded kernel: ffffffff80200000->ffffffff8075decc > (XEN) Init. ramdisk: ffffffff8075e000->ffffffff80e3a800 > (XEN) Phys-Mach map: ffffffff80e3b000->ffffffff88c93c20 > (XEN) Start info: ffffffff88c94000->ffffffff88c944b4 > (XEN) Page tables: ffffffff88c95000->ffffffff88ce0000 > (XEN) Boot stack: ffffffff88ce0000->ffffffff88ce1000 > (XEN) TOTAL: ffffffff80000000->ffffffff89000000 > (XEN) ENTRY ADDRESS: ffffffff80200000 > (XEN) Dom0 has maximum 48 VCPUs > (XEN) Scrubbing Free RAM: .done. > (XEN) Xen trace buffers: disabled > (XEN) Std. Loglevel: Errors and warnings > (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) > (XEN) *** Serial input -> DOM0 (type ''CTRL-a'' three times to switch input to > Xen) > (XEN) Freed 168kB init memory. > kernel direct mapping tables up to fcb984000 @ 8d1e000-18a5a000 > Bootdata ok (command line is ro root=LABEL=/ rhgb xencons=ttyS0 > console=ttyS0) > Linux version 2.6.18-194.el5.customxen (mohammad@xen-test.nhpcc.iut) (gcc > version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Tue Mar 8 13:09:26 IRST > 2011 > BIOS-provided physical RAM map: > Xen: 0000000000000000 - 0000000fcb984000 (usable) > DMI present. > ACPI: LAPIC (acpi_id[0x01] lapic_id[0x10] enabled) > ACPI: LAPIC (acpi_id[0x02] lapic_id[0x11] enabled) > ACPI: LAPIC (acpi_id[0x03] lapic_id[0x12] enabled) > ACPI: LAPIC (acpi_id[0x04] lapic_id[0x13] enabled) > ACPI: LAPIC (acpi_id[0x05] lapic_id[0x14] enabled) > ACPI: LAPIC (acpi_id[0x06] lapic_id[0x15] enabled) > ACPI: LAPIC (acpi_id[0x07] lapic_id[0x16] enabled) > ACPI: LAPIC (acpi_id[0x08] lapic_id[0x17] enabled) > ACPI: LAPIC (acpi_id[0x09] lapic_id[0x18] enabled) > ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x19] enabled) > ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x1a] enabled) > ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x1b] enabled) > ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x20] enabled) > ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x21] enabled) > ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x22] enabled) > ACPI: LAPIC (acpi_id[0x10] lapic_id[0x23] enabled) > ACPI: LAPIC (acpi_id[0x11] lapic_id[0x24] enabled) > ACPI: LAPIC (acpi_id[0x12] lapic_id[0x25] enabled) > ACPI: LAPIC (acpi_id[0x13] lapic_id[0x26] enabled) > ACPI: LAPIC (acpi_id[0x14] lapic_id[0x27] enabled) > ACPI: LAPIC (acpi_id[0x15] lapic_id[0x28] enabled) > ACPI: LAPIC (acpi_id[0x16] lapic_id[0x29] enabled) > ACPI: LAPIC (acpi_id[0x17] lapic_id[0x2a] enabled) > ACPI: LAPIC (acpi_id[0x18] lapic_id[0x2b] enabled) > ACPI: LAPIC (acpi_id[0x19] lapic_id[0x30] enabled) > ACPI: LAPIC (acpi_id[0x1a] lapic_id[0x31] enabled) > ACPI: LAPIC (acpi_id[0x1b] lapic_id[0x32] enabled) > ACPI: LAPIC (acpi_id[0x1c] lapic_id[0x33] enabled) > ACPI: LAPIC (acpi_id[0x1d] lapic_id[0x34] enabled) > ACPI: LAPIC (acpi_id[0x1e] lapic_id[0x35] enabled) > ACPI: LAPIC (acpi_id[0x1f] lapic_id[0x36] enabled) > ACPI: LAPIC (acpi_id[0x20] lapic_id[0x37] enabled) > ACPI: LAPIC (acpi_id[0x21] lapic_id[0x38] enabled) > ACPI: LAPIC (acpi_id[0x22] lapic_id[0x39] enabled) > ACPI: LAPIC (acpi_id[0x23] lapic_id[0x3a] enabled) > ACPI: LAPIC (acpi_id[0x24] lapic_id[0x3b] enabled) > ACPI: LAPIC (acpi_id[0x25] lapic_id[0x40] enabled) > ACPI: LAPIC (acpi_id[0x26] lapic_id[0x41] enabled) > ACPI: LAPIC (acpi_id[0x27] lapic_id[0x42] enabled) > ACPI: LAPIC (acpi_id[0x28] lapic_id[0x43] enabled) > ACPI: LAPIC (acpi_id[0x29] lapic_id[0x44] enabled) > ACPI: LAPIC (acpi_id[0x2a] lapic_id[0x45] enabled) > ACPI: LAPIC (acpi_id[0x2b] lapic_id[0x46] enabled) > ACPI: LAPIC (acpi_id[0x2c] lapic_id[0x47] enabled) > ACPI: LAPIC (acpi_id[0x2d] lapic_id[0x48] enabled) > ACPI: LAPIC (acpi_id[0x2e] lapic_id[0x49] enabled) > ACPI: LAPIC (acpi_id[0x2f] lapic_id[0x4a] enabled) > ACPI: LAPIC (acpi_id[0x30] lapic_id[0x4b] enabled) > ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x10] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x11] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x12] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x13] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x14] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x15] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x16] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x17] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x18] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x19] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1a] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1b] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1c] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1d] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1e] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x1f] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x20] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x21] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x22] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x23] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x24] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x25] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x26] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x27] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x28] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x29] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2a] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2b] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2c] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2d] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2e] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x2f] high edge lint[0x1]) > ACPI: LAPIC_NMI (acpi_id[0x30] high edge lint[0x1]) > ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) > IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23 > ACPI: IOAPIC (id[0x01] address[0xfec20000] gsi_base[24]) > IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55 > ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) > ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) > Setting APIC routing to xen > Using ACPI (MADT) for SMP configuration information > Allocating PCI resources starting at f1000000 (gap: f0000000:ec00000) > Built 1 zonelists. Total pages: 16562564 > Kernel command line: ro root=LABEL=/ rhgb xencons=ttyS0 console=ttyS0 > Initializing CPU#0 > PID hash table entries: 4096 (order: 12, 32768 bytes) > Xen reported: 2200.066 MHz processor. > Console: colour VGA+ 80x25 > Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) > Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) > Software IO TLB enabled: > Aperture: 64 megabytes > Kernel range: 0xffff8800500bf000 - 0xffff8800540bf000 > PCI-DMA: Using software bounce buffering for IO (SWIOTLB) > Memory: 64897092k/66250256k available (2512k kernel code, 1344284k reserved, > > 1396k data, 184k init) > Calibrating delay using timer specific routine.. 5501.64 BogoMIPS > (lpj=11003297) > Security Framework v1.0.0 initialized > SELinux: Initializing. > selinux_register_security: Registering secondary module capability > Capability LSM initialized as secondary > Mount-cache hash table entries: 256 > CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line) > CPU: L2 Cache: 512K (64 bytes/line) > CPU: Physical Processor ID: 0 > CPU: Processor Core ID: 0 > (SMP-)alternatives turned off > ACPI: Core revision 20060707 > Initializing CPU#1 > Initializing CPU#2 > Initializing CPU#3 > Initializing CPU#4 > Initializing CPU#5 > Initializing CPU#6 > Initializing CPU#7 > Initializing CPU#8 > Initializing CPU#9 > Initializing CPU#10 > Initializing CPU#11 > Initializing CPU#12 > Initializing CPU#13 > Initializing CPU#14 > Initializing CPU#15 > Initializing CPU#16 > Initializing CPU#17 > Initializing CPU#18 > Initializing CPU#19 > Initializing CPU#20 > Initializing CPU#21 > Initializing CPU#22 > Initializing CPU#23 > Initializing CPU#24 > Initializing CPU#25 > Initializing CPU#26 > Initializing CPU#27 > Initializing CPU#28 > Initializing CPU#29 > Initializing CPU#30 > Initializing CPU#31 > ----------- [cut here ] --------- [please bite here ] --------- > Kernel BUG at drivers/xen/core/smpboot.c:242 > invalid opcode: 0000 [1] SMP > last sysfs file: > CPU 0 > Modules linked in: > Pid: 1, comm: swapper Not tainted 2.6.18-194.el5.customxen #1 > RIP: e030:[<ffffffff803b61ad>] [<ffffffff803b61ad>] __cpu_up+0x269/0x377 > RSP: e02b:ffff880010d09e20 EFLAGS: 00010282 > RAX: ffffffffffffffea RBX: 0000000000000140 RCX: ffffffff804f67c0 > RDX: ffff880000e4c000 RSI: 0000000000000020 RDI: 0000000000000000 > RBP: ffff880000e4c000 R08: 00000000ffffffff R09: 0000000000000000 > R10: ffff880000e4c000 R11: 0000000000000200 R12: ffffffff804f3f40 > R13: 0000000000000020 R14: ffff88005417d7a0 R15: 0000000000000000 > FS: 0000000000000000(0000) GS:ffffffff805d2000(0000) knlGS:0000000000000000 > CS: e033 DS: 0000 ES: 0000 > Process swapper (pid: 1, threadinfo ffff880010d08000, task ffff880010d0b7a0) > Stack: 0000000100000000 0000000000000000 0000000000000000 > 0000000000000000 > 0000000000000020 0000000000000020 0000000000000020 ffffffff802903b1 > 0000000000000063 0000000000000000 > Call Trace: > [<ffffffff802903b1>] cpu_callback+0xdd/0x177 > [<ffffffff802a0c34>] cpu_up+0xc7/0x12c > [<ffffffff8064c6a7>] init+0xb5/0x2fe > [<ffffffff80260b2c>] child_rip+0xa/0x12 > [<ffffffff8036dc2c>] acpi_ds_init_one_object+0x0/0x80 > [<ffffffff8064c5f2>] init+0x0/0x2fe > [<ffffffff80260b22>] child_rip+0x0/0x12 > > > Code: 0f 0b 68 f8 60 4b 80 c2 f2 00 48 89 ef e8 79 58 e5 ff be ff > RIP [<ffffffff803b61ad>] __cpu_up+0x269/0x377 > RSP <ffff880010d09e20> > <0>Kernel panic - not syncing: Fatal exception > (XEN) Domain 0 crashed: rebooting machine in 5 seconds. > > > Why there is a kernel bug at drivers/xen/core/smpboot.c:242?!! > I am using a Tyan server which has 48 AMD cores and 64GB RAM. > > Has anybody got an idea about this bug?!Add "dom0_max_vcpus=32" to the Xen command line for this old a kernel. 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