[Xen-devel] Kernel error with todays -unstable.

Got this changing from 2.6.16.13 to 2.6.16.29.. running .13 under thesame xen binary works fine.

__ _______ ___ _ _ _\ \/ /___ _ __ |___ / / _ \ _ _ _ __ ___| |_ __ _| |__ | | ___\ // _ \ '_ \ |_ \| | | |__| | | | '_ \/ __| __/ _` | '_ \| |/ _\/ \ __/ | | | ___) | |_| |__| |_| | | | \__ \ || (_| | |_) | |__//_/\_\___|_| |_| |____(_)___/ \__,_|_||_|___/\__\__,_|_.__/|_|\___|

http://www.cl.cam.ac.uk/netos/xenUniversity of Cambridge Computer Laboratory

Xen version 3.0-unstable (root@xxxxxxxxxxxxx) (gcc version 4.0.220051125 (RedHat 4.0.2-8)) Thu Sep 21 14:00:38 EDT 2006Latest ChangeSet: Thu Sep 21 15:04:29 2006 +0100 11560:5bc0e9a50687

(XEN) Command line: /xen.gz dom0_mem=262144 com1=9600,8n1 sched=credit(XEN) Physical RAM map:(XEN) 0000000000000000 - 000000000009fc00 (usable)(XEN) 000000000009fc00 - 00000000000a0000 (reserved)(XEN) 00000000000e0000 - 0000000000100000 (reserved)(XEN) 0000000000100000 - 00000000faff0000 (usable)(XEN) 00000000faff0000 - 00000000fafff000 (ACPI data)(XEN) 00000000fafff000 - 00000000fb000000 (ACPI NVS)(XEN) 00000000ff780000 - 0000000100000000 (reserved)(XEN) 0000000100000000 - 0000000200000000 (usable)(XEN) System RAM: 8111MB (8306236kB)(XEN) Xen heap: 9MB (10152kB)(XEN) PAE enabled, limit: 16 GB(XEN) found SMP MP-table at 000ff780(XEN) DMI 2.3 present.(XEN) Using APIC driver default(XEN) ACPI: RSDP (v000 ACPIAM ) @0x000f6890(XEN) ACPI: RSDT (v001 A M I OEMRSDT 0x06000429 MSFT 0x00000097) @0xfaff0000(XEN) ACPI: FADT (v001 A M I OEMFACP 0x06000429 MSFT 0x00000097) @0xfaff0200(XEN) ACPI: MADT (v001 A M I OEMAPIC 0x06000429 MSFT 0x00000097) @0xfaff0380(XEN) ACPI: OEMB (v001 A M I OEMBIOS 0x06000429 MSFT 0x00000097) @0xfafff040(XEN) ACPI: SRAT (v001 A M I OEMSRAT 0x06000429 MSFT 0x00000097) @0xfaff3320(XEN) ACPI: ASF! (v001 AMIASF AMDSTRET 0x00000001 INTL 0x02002026) @0xfaff3410(XEN) ACPI: DSDT (v001 0AAAA 0AAAA000 0x00000000 INTL 0x02002026) @0x00000000(XEN) ACPI: Local APIC address 0xfee00000(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)(XEN) Processor #0 15:5 APIC version 16(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)(XEN) Processor #1 15:5 APIC version 16(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])(XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23(XEN) ACPI: IOAPIC (id[0x03] address[0xfebff000] gsi_base[24])(XEN) IOAPIC[1]: apic_id 3, version 17, address 0xfebff000, GSI 24-27(XEN) ACPI: IOAPIC (id[0x04] address[0xfebfe000] gsi_base[28])(XEN) IOAPIC[2]: apic_id 4, version 17, address 0xfebfe000, GSI 28-31(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)(XEN) ACPI: IRQ0 used by override.(XEN) ACPI: IRQ2 used by override.(XEN) Enabling APIC mode: Flat. Using 3 I/O APICs(XEN) Using ACPI (MADT) for SMP configuration information(XEN) Using scheduler: SMP Credit Scheduler (credit)(XEN) Initializing CPU#0(XEN) Detected 1793.652 MHz processor.(XEN) CPU0: AMD Flush Filter disabled(XEN) CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)(XEN) CPU: L2 Cache: 1024K (64 bytes/line)(XEN) Intel machine check architecture supported.(XEN) Intel machine check reporting enabled on CPU#0.(XEN) CPU0: AMD Opteron(tm) Processor 244 stepping 08(XEN) Booting processor 1/1 eip 90000(XEN) Initializing CPU#1(XEN) CPU1: AMD Flush Filter disabled(XEN) CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)(XEN) CPU: L2 Cache: 1024K (64 bytes/line)(XEN) AMD: Disabling C1 Clock Ramping Node #0(XEN) AMD: Disabling C1 Clock Ramping Node #1(XEN) Intel machine check architecture supported.(XEN) Intel machine check reporting enabled on CPU#1.(XEN) CPU1: AMD Opteron(tm) Processor 244 stepping 08(XEN) Total of 2 processors activated.(XEN) ENABLING IO-APIC IRQs(XEN) -> Using new ACK method(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=0 pin2=0(XEN) checking TSC synchronization across 2 CPUs: passed.(XEN) Platform timer is 1.193MHz PIT(XEN) Brought up 2 CPUs(XEN) Machine check exception polling timer started.(XEN) *** LOADING DOMAIN 0 ***(XEN) Domain 0 kernel supports features = { 0000001f }.(XEN) Domain 0 kernel requires features = { 00000000 }.(XEN) PHYSICAL MEMORY ARRANGEMENT:(XEN) Dom0 alloc.: 0000000004800000->0000000005000000 (63488 pages tobe allocated)(XEN) VIRTUAL MEMORY ARRANGEMENT:(XEN) Loaded kernel: c0100000->c05bd628(XEN) Init. ramdisk: c05be000->c05be000(XEN) Phys-Mach map: c05be000->c05fe000(XEN) Start info: c05fe000->c05fe46c(XEN) Page tables: c05ff000->c0608000(XEN) Boot stack: c0608000->c0609000(XEN) TOTAL: c0000000->c0800000(XEN) ENTRY ADDRESS: c0100000(XEN) Dom0 has maximum 2 VCPUs(XEN) Scrubbing Free RAM:..................................................................................done.(XEN) Xen trace buffers: disabled(XEN) Xen is relinquishing VGA console.(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switchinput to Xen).Linux version 2.6.16.29-xen (root@xxxxxxxxxxxxxxxxxx) (gcc version 4.0.220051125 (Red Hat 4.0.2-8)) #4 SMP Thu Sep 21 14:01:34 EDT 2006BIOS-provided physical RAM map:Xen: 0000000000000000 - 0000000010800000 (usable)0MB HIGHMEM available.264MB LOWMEM available.NX (Execute Disable) protection: activefound SMP MP-table at 000ff780DMI 2.3 present.ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23ACPI: IOAPIC (id[0x03] address[0xfebff000] gsi_base[24])IOAPIC[1]: apic_id 3, version 17, address 0xfebff000, GSI 24-27ACPI: IOAPIC (id[0x04] address[0xfebfe000] gsi_base[28])IOAPIC[2]: apic_id 4, version 17, address 0xfebfe000, GSI 28-31ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)Enabling APIC mode: Flat. Using 3 I/O APICsUsing ACPI (MADT) for SMP configuration informationAllocating PCI resources starting at fb800000 (gap: fb000000:04780000)Built 1 zonelistsKernel command line: root=/dev/sda2 ro console=tty0 console=ttyS0,9600n8max_loop=256 elevator=cfqEnabling fast FPU save and restore... done.Enabling unmasked SIMD FPU exception support... done.Initializing CPU#0PID hash table entries: 2048 (order: 11, 32768 bytes)Xen reported: 1793.773 MHz processor.Console: colour VGA+ 80x25Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)Software IO TLB enabled:Aperture: 64 megabytesKernel range: 0x00000000c12bf000 - 0x00000000c52bf000vmalloc area: d1000000-f53fe000, maxmem 2d7fe000Memory: 187392k/270336k available (3314k kernel code, 74472k reserved,961k data, 208k init, 0k highmem)Checking if this processor honours the WP bit even in supervisor mode...Ok.Calibrating delay using timer specific routine.. 4486.13 BogoMIPS(lpj=8972260)Mount-cache hash table entries: 512CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)CPU: L2 Cache: 1024K (64 bytes/line)Checking 'hlt' instruction... OK.ENABLING IO-APIC IRQsBrought up 2 CPUsInitializing CPU#1migration_cost=528Grant table initializedNET: Registered protocol family 16ACPI: bus type pci registeredPCI: Using configuration type 1ACPI: Subsystem revision 20060127ACPI: Interpreter enabledACPI: Using IOAPIC for interrupt routingACPI: PCI Root Bridge [PCI0] (0000:00)ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 *5 6 7 9 10 11 12 14 15)ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 7 *9 10 11 12 14 15)ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 7 9 10 *11 12 14 15)ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 9 *10 11 12 14 15)xen_mem: Initialising balloon driver.SCSI subsystem initializedusbcore: registered new driver usbfsusbcore: registered new driver hubPCI: Using ACPI for IRQ routingPCI: If a device doesn't work, try "pci=routeirq". If it helps, post areportTC classifier action (bugs to netdev@xxxxxxxxxxxxxxx cc hadi@xxxxxxxxxx)PCI: Bridge: 0000:00:06.0IO window: b000-bfffMEM window: fca00000-feafffffPREFETCH window: disabled.PCI: Bridge: 0000:00:0a.0IO window: a000-afffMEM window: fb900000-fc9fffffPREFETCH window: ff500000-ff5fffffPCI: Bridge: 0000:00:0b.0IO window: disabled.MEM window: disabled.PREFETCH window: disabled.IA-32 Microcode Update Driver: v1.14-xen <tigran@xxxxxxxxxxx>audit: initializing netlink socket (disabled)audit(1158849681.560:1): initializedUnable to handle kernel NULL pointer dereference at virtual address00000000printing eip:00000000005ff000 -> *pde = 00000000:04e0000100600000 -> *pme = 00000000:00000000Oops: 0010 [#1]SMPModules linked in:CPU: 0EIP: 0061:[<00000000>] Not tainted VLIEFLAGS: 00010246 (2.6.16.29-xen #4)EIP is at rest_init+0x3fefe000/0x23eax: c010206f ebx: c0558f3c ecx: 00000000 edx: c5320000esi: c01021c9 edi: 00000000 ebp: 0000ffbd esp: c53220e7ds: 007b es: 007b ss: e021Process swapper (pid: 1, threadinfo=c5320000 task=c05bea90)Stack: <0>00000000 00000000 00000000 00000000 00000000 00000000 000000000000000000000000 00000000 00000000 00000000 00000000 00000000 000000000000000000000000 00000000 00000000 00000000 00000000 00000000 0000000000000000Call Trace:=======================Unable to handle kernel NULL pointer dereference at virtual address00000000printing eip:c0111007005ff000 -> *pde = 00000000:04e0000100600000 -> *pme = 00000000:00000000


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[Xen-devel] Kernel error with todays -unstable.