early console in setup code early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 3.17.0-rc6-00089-g36fbfeb (kbuild@lkp-ib03) (gcc version 4.9.1 (Debian 4.9.1-11) ) #1 SMP Fri Sep 26 22:04:56 CST 2014 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000013ffdfff] usable [ 0.000000] BIOS-e820: [mem 0x0000000013ffe000-0x0000000013ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x13ffe max_arch_pfn = 0x1000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106 [ 0.000000] initial memory mapped: [mem 0x00000000-0x025fffff] [ 0.000000] Base memory trampoline at [c009b000] 9b000 size 16384 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x13a00000-0x13bfffff] [ 0.000000] [mem 0x13a00000-0x13bfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x10000000-0x139fffff] [ 0.000000] [mem 0x10000000-0x139fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x0fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x13c00000-0x13ffdfff] [ 0.000000] [mem 0x13c00000-0x13dfffff] page 2M [ 0.000000] [mem 0x13e00000-0x13ffdfff] page 4k [ 0.000000] BRK [0x0219a000, 0x0219afff] PGTABLE [ 0.000000] RAMDISK: [mem 0x13cbd000-0x13feffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x000FD970 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x13FFE4B0 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x13FFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x13FFE4F0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x13FFFF40 000040 [ 0.000000] ACPI: SSDT 0x13FFF800 000735 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x13FFF6E0 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x13FFF6A0 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffc000 ( fee00000) [ 0.000000] 0MB HIGHMEM available. [ 0.000000] 319MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 13ffe000 [ 0.000000] low ram: 0 - 13ffe000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:13ffd001, primary cpu clock [ 0.000000] BRK [0x0219b000, 0x0219bfff] PGTABLE [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] Normal [mem 0x01000000-0x13ffdfff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x13ffdfff] [ 0.000000] On node 0 totalpages: 81820 [ 0.000000] DMA zone: 32 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] Normal zone: 608 pages used for memmap [ 0.000000] Normal zone: 77822 pages, LIFO batch:15 [ 0.000000] Using APIC driver default [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffc000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffb000 (fec00000) [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 334 pages/cpu @d370f000 s1345088 r0 d22976 u1368064 [ 0.000000] pcpu-alloc: s1345088 r0 d22976 u1368064 alloc=334*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 13711a00 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 81180 [ 0.000000] Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-ib1-09232303/next:master:36fbfebe776eb5871d61e7a755c9feb1c96cc4aa:bisect-linux-1/.vmlinuz-36fbfebe776eb5871d61e7a755c9feb1c96cc4aa-20140926220514-13-vp branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-ib1-09232303/36fbfebe776eb5871d61e7a755c9feb1c96cc4aa/vmlinuz-3.17.0-rc6-00089-g36fbfeb drbd.minor_count=8 [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Initializing CPU#0 [ 0.000000] Initializing HighMem for node 0 (00000000:00000000) [ 0.000000] Memory: 299664K/327280K available (5591K kernel code, 552K rwdata, 2744K rodata, 1852K init, 7164K bss, 27616K reserved, 0K highmem) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xffe6e000 - 0xfffff000 (1604 kB) [ 0.000000] pkmap : 0xffa00000 - 0xffc00000 (2048 kB) [ 0.000000] vmalloc : 0xd47fe000 - 0xff9fe000 ( 690 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd3ffe000 ( 319 MB) [ 0.000000] .init : 0xc18b2000 - 0xc1a81000 (1852 kB) [ 0.000000] .data : 0xc15760ec - 0xc18b0300 (3304 kB) [ 0.000000] .text : 0xc1000000 - 0xc15760ec (5592 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS:2304 nr_irqs:256 0 [ 0.000000] CPU 0 irqstacks, hard=d3008000 soft=d300a000 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] Linux version 3.17.0-rc6-00089-g36fbfeb (kbuild@lkp-ib03) (gcc version 4.9.1 (Debian 4.9.1-11) ) #1 SMP Fri Sep 26 22:04:56 CST 2014 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000013ffdfff] usable [ 0.000000] BIOS-e820: [mem 0x0000000013ffe000-0x0000000013ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x13ffe max_arch_pfn = 0x1000000 [ 0.000000] MTRR default type: write-back [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 0080000000 mask FF80000000 uncachable [ 0.000000] 1 disabled [ 0.000000] 2 disabled [ 0.000000] 3 disabled [ 0.000000] 4 disabled [ 0.000000] 5 disabled [ 0.000000] 6 disabled [ 0.000000] 7 disabled [ 0.000000] x86 PAT enabled: cpu 0, old 0x70406, new 0x7010600070106 [ 0.000000] initial memory mapped: [mem 0x00000000-0x025fffff] [ 0.000000] Base memory trampoline at [c009b000] 9b000 size 16384 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x13a00000-0x13bfffff] [ 0.000000] [mem 0x13a00000-0x13bfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x10000000-0x139fffff] [ 0.000000] [mem 0x10000000-0x139fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x0fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x13c00000-0x13ffdfff] [ 0.000000] [mem 0x13c00000-0x13dfffff] page 2M [ 0.000000] [mem 0x13e00000-0x13ffdfff] page 4k [ 0.000000] BRK [0x0219a000, 0x0219afff] PGTABLE [ 0.000000] RAMDISK: [mem 0x13cbd000-0x13feffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x000FD970 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x13FFE4B0 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x13FFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x13FFE4F0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x13FFFF40 000040 [ 0.000000] ACPI: SSDT 0x13FFF800 000735 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x13FFF6E0 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x13FFF6A0 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffc000 ( fee00000) [ 0.000000] 0MB HIGHMEM available. [ 0.000000] 319MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 13ffe000 [ 0.000000] low ram: 0 - 13ffe000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:13ffd001, primary cpu clock [ 0.000000] BRK [0x0219b000, 0x0219bfff] PGTABLE [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] Normal [mem 0x01000000-0x13ffdfff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x0009efff] [ 0.000000] node 0: [mem 0x00100000-0x13ffdfff] [ 0.000000] On node 0 totalpages: 81820 [ 0.000000] DMA zone: 32 pages used for memmap [ 0.000000] DMA zone: 0 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] Normal zone: 608 pages used for memmap [ 0.000000] Normal zone: 77822 pages, LIFO batch:15 [ 0.000000] Using APIC driver default [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffc000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] ACPI: IRQ5 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] ACPI: IRQ10 used by override. [ 0.000000] ACPI: IRQ11 used by override. [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffb000 (fec00000) [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 334 pages/cpu @d370f000 s1345088 r0 d22976 u1368064 [ 0.000000] pcpu-alloc: s1345088 r0 d22976 u1368064 alloc=334*4096 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 13711a00 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 81180 [ 0.000000] Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-ib1-09232303/next:master:36fbfebe776eb5871d61e7a755c9feb1c96cc4aa:bisect-linux-1/.vmlinuz-36fbfebe776eb5871d61e7a755c9feb1c96cc4aa-20140926220514-13-vp branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-ib1-09232303/36fbfebe776eb5871d61e7a755c9feb1c96cc4aa/vmlinuz-3.17.0-rc6-00089-g36fbfeb drbd.minor_count=8 [ 0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) [ 0.000000] Initializing CPU#0 [ 0.000000] Initializing HighMem for node 0 (00000000:00000000) [ 0.000000] Memory: 299664K/327280K available (5591K kernel code, 552K rwdata, 2744K rodata, 1852K init, 7164K bss, 27616K reserved, 0K highmem) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xffe6e000 - 0xfffff000 (1604 kB) [ 0.000000] pkmap : 0xffa00000 - 0xffc00000 (2048 kB) [ 0.000000] vmalloc : 0xd47fe000 - 0xff9fe000 ( 690 MB) [ 0.000000] lowmem : 0xc0000000 - 0xd3ffe000 ( 319 MB) [ 0.000000] .init : 0xc18b2000 - 0xc1a81000 (1852 kB) [ 0.000000] .data : 0xc15760ec - 0xc18b0300 (3304 kB) [ 0.000000] .text : 0xc1000000 - 0xc15760ec (5592 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode...Ok. [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS:2304 nr_irqs:256 0 [ 0.000000] CPU 0 irqstacks, hard=d3008000 soft=d300a000 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] console [ttyS0] enabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 5151 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] ------------------------ [ 0.000000] | Locking API testsuite: [ 0.000000] ---------------------------------------------------------------------------- [ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] A-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-B-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-B-C-C-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-C-A-B-C deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-B-C-C-D-D-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-C-D-B-D-D-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] A-B-C-D-B-C-D-A deadlock:failed|failed| ok |failed|failed|failed| [ 0.000000] double unlock: ok | ok | ok | ok | ok | ok | [ 0.000000] initialize held: ok | ok | ok | ok | ok | ok | [ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] recursive read-lock: | ok | |failed| [ 0.000000] recursive read-lock #2: | ok | |failed| [ 0.000000] mixed read-write-lock: |failed| |failed| [ 0.000000] mixed write-read-lock: |failed| |failed| [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] hard-irqs-on + irq-safe-A/12:failed|failed| ok | [ 0.000000] soft-irqs-on + irq-safe-A/12:failed|failed| ok | [ 0.000000] hard-irqs-on + irq-safe-A/21:failed|failed| ok | [ 0.000000] soft-irqs-on + irq-safe-A/21:failed|failed| ok | [ 0.000000] sirq-safe-A => hirqs-on/12:failed|failed| ok | [ 0.000000] sirq-safe-A => hirqs-on/21:failed|failed| ok | [ 0.000000] hard-safe-A + irqs-on/12:failed|failed| ok | [ 0.000000] soft-safe-A + irqs-on/12:failed|failed| ok | [ 0.000000] hard-safe-A + irqs-on/21:failed|failed| ok | [ 0.000000] soft-safe-A + irqs-on/21:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/123:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/123:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/132:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/132:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/213:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/213:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/231:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/231:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/312:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/312:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #1/321:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #1/321:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/123:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/123:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/132:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/132:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/213:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/213:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/231:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/231:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/312:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/312:failed|failed| ok | [ 0.000000] hard-safe-A + unsafe-B #2/321:failed|failed| ok | [ 0.000000] soft-safe-A + unsafe-B #2/321:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/123:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/123:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/132:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/132:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/213:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/213:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/231:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/231:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/312:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/312:failed|failed| ok | [ 0.000000] hard-irq lock-inversion/321:failed|failed| ok | [ 0.000000] soft-irq lock-inversion/321:failed|failed| ok | [ 0.000000] hard-irq read-recursion/123: ok | [ 0.000000] soft-irq read-recursion/123: ok | [ 0.000000] hard-irq read-recursion/132: ok | [ 0.000000] soft-irq read-recursion/132: ok | [ 0.000000] hard-irq read-recursion/213: ok | [ 0.000000] soft-irq read-recursion/213: ok | [ 0.000000] hard-irq read-recursion/231: ok | [ 0.000000] soft-irq read-recursion/231: ok | [ 0.000000] hard-irq read-recursion/312: ok | [ 0.000000] soft-irq read-recursion/312: ok | [ 0.000000] hard-irq read-recursion/321: ok | [ 0.000000] soft-irq read-recursion/321: ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] | Wound/wait tests | [ 0.000000] --------------------- [ 0.000000] ww api failures: ok | ok | ok | [ 0.000000] ww contexts mixing:failed| ok | [ 0.000000] finishing ww context: ok | ok | ok | ok | [ 0.000000] locking mismatches: ok | ok | ok | [ 0.000000] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok | [ 0.000000] spinlock nest unlocked: ok | [ 0.000000] ----------------------------------------------------- [ 0.000000] |block | try |context| [ 0.000000] ----------------------------------------------------- [ 0.000000] context:failed| ok | ok | [ 0.000000] try:failed| ok |failed| [ 0.000000] block:failed| ok |failed| [ 0.000000] spinlock:failed| ok |failed| [ 0.000000] -------------------------------------------------------- [ 0.000000] 141 out of 253 testcases failed, as expected. | [ 0.000000] ---------------------------------------------------- [ 0.000000] ODEBUG: selftest passed [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Detected 2693.530 MHz processor [ 0.008000] Calibrating delay loop (skipped) preset value.. 5387.06 BogoMIPS (lpj=10774120) [ 0.008000] pid_max: default: 32768 minimum: 301 [ 0.008000] ACPI: Core revision 20140724 [ 0.009602] ACPI: All ACPI Tables successfully acquired [ 0.010574] Security Framework initialized [ 0.011226] Smack: Initializing. [ 0.011812] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.012008] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) [ 0.014083] mce: CPU supports 10 MCE banks [ 0.016065] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.016065] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.034963] Freeing SMP alternatives memory: 24K (c1a81000 - c1a87000) [ 0.040683] Getting VERSION: 50014 [ 0.041391] Getting VERSION: 50014 [ 0.041963] Getting ID: 0 [ 0.042488] Getting ID: f000000 [ 0.043054] Getting LVT0: 8700 [ 0.043590] Getting LVT1: 8400 [ 0.044005] Enabling APIC mode: Flat. Using 1 I/O APICs [ 0.044851] enabled ExtINT on CPU#0 [ 0.046567] ENABLING IO-APIC IRQs [ 0.047162] init IO_APIC IRQs [ 0.047688] apic 0 pin 0 not connected [ 0.048017] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1) [ 0.049245] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.050493] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1) [ 0.052020] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1) [ 0.053217] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1) [ 0.054427] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1) [ 0.055628] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1) [ 0.056019] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1) [ 0.057242] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1) [ 0.058452] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.060019] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1) [ 0.061242] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1) [ 0.062474] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1) [ 0.064020] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1) [ 0.065240] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1) [ 0.066474] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1) [ 0.068019] apic 0 pin 16 not connected [ 0.068644] apic 0 pin 17 not connected [ 0.069258] apic 0 pin 18 not connected [ 0.072003] apic 0 pin 19 not connected [ 0.072621] apic 0 pin 20 not connected [ 0.073241] apic 0 pin 21 not connected [ 0.073877] apic 0 pin 22 not connected [ 0.074492] apic 0 pin 23 not connected [ 0.075255] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.076004] smpboot: CPU0: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.077425] Using local APIC timer interrupts. [ 0.077425] calibrating APIC timer ... [ 0.080000] ... lapic delta = 6249806 [ 0.080000] ... PM-Timer delta = 357968 [ 0.080000] ... PM-Timer result ok [ 0.080000] ..... delta 6249806 [ 0.080000] ..... mult: 268427123 [ 0.080000] ..... calibration result: 3999875 [ 0.080000] ..... CPU clock speed is 2693.2356 MHz. [ 0.080000] ..... host bus clock speed is 999.3875 MHz. [ 0.080121] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only. [ 0.083613] Testing tracer nop: PASSED [ 0.084652] x86: Booted up 1 node, 1 CPUs [ 0.085740] ---------------- [ 0.086619] | NMI testsuite: [ 0.087504] -------------------- [ 0.088003] remote IPI: ok | [ 0.089158] local IPI: ok | [ 0.090324] -------------------- [ 0.091261] Good, all 2 testcases passed! | [ 0.092004] --------------------------------- [ 0.093157] smpboot: Total of 1 processors activated (5387.06 BogoMIPS) [ 0.096719] devtmpfs: initialized [ 0.099257] Testing tracer wakeup: ret = 0 [ 0.204079] ftrace-test (12) used greatest stack depth: 7160 bytes left [ 0.205111] PASSED [ 0.205734] Testing tracer wakeup_rt: ret = 0 [ 0.308081] PASSED [ 0.308819] Testing tracer wakeup_dl: ret = 0 [ 0.412065] PASSED [ 0.413017] prandom: seed boundary self test passed [ 0.414583] prandom: 100 self tests passed [ 0.416220] regulator-dummy: no parameters [ 0.417294] NET: Registered protocol family 16 [ 0.418797] cpuidle: using governor menu [ 0.419859] ACPI: bus type PCI registered [ 0.420180] PCI : PCI BIOS area is rw and x. Use pci=nobios if you want it NX. [ 0.421687] PCI: PCI BIOS revision 2.10 entry at 0xfc6d5, last bus=0 [ 0.422752] PCI: Using configuration type 1 for base access [ 0.432987] Running resizable hashtable tests... [ 0.433884] Adding 2048 keys [ 0.435463] Traversal complete: counted=2048, nelems=2048, entries=2048 [ 0.436159] Table expansion iteration 0... [ 0.437453] Verifying lookups... [ 0.438453] Table expansion iteration 1... [ 0.440379] Verifying lookups... [ 0.441018] Table expansion iteration 2... [ 0.442612] Verifying lookups... [ 0.443554] Table expansion iteration 3... [ 0.444785] Verifying lookups... [ 0.445889] Table shrinkage iteration 0... [ 0.446822] Verifying lookups... [ 0.448162] Table shrinkage iteration 1... [ 0.449278] Verifying lookups... [ 0.449913] Table shrinkage iteration 2... [ 0.450669] Verifying lookups... [ 0.451379] Table shrinkage iteration 3... [ 0.452026] Verifying lookups... [ 0.452692] Deleting 2048 keys [ 0.453679] ACPI: Added _OSI(Module Device) [ 0.454393] ACPI: Added _OSI(Processor Device) [ 0.455054] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.455772] ACPI: Added _OSI(Processor Aggregator Device) [ 0.457697] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1) [ 0.463169] ACPI: Interpreter enabled [ 0.463788] ACPI: (supports S0 S5) [ 0.464003] ACPI: Using IOAPIC for interrupt routing [ 0.464738] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.466034] BUG: unable to handle kernel paging request at 00010023 [ 0.466989] IP: [] kernfs_add_one+0x89/0x130 [ 0.467812] *pdpt = 0000000000000000 *pde = f000ff53f000ff53 [ 0.468000] Oops: 0002 [#1] SMP [ 0.468000] Modules linked in: [ 0.468000] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.17.0-rc6-00089-g36fbfeb #1 [ 0.468000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.468000] task: d303ec90 ti: d3040000 task.ti: d3040000 [ 0.468000] EIP: 0060:[] EFLAGS: 00010286 CPU: 0 [ 0.468000] EIP is at kernfs_add_one+0x89/0x130 [ 0.468000] EAX: 542572cb EBX: 00010003 ECX: 00000008 EDX: 2c8de598 [ 0.468000] ESI: d311de10 EDI: d311de70 EBP: d3041dd8 ESP: d3041db4 [ 0.468000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 0.468000] CR0: 8005003b CR2: 00010023 CR3: 01a8a000 CR4: 000006f0 [ 0.468000] Stack: [ 0.468000] d3006f00 00000202 d311de70 d311de10 d3041dd8 c117dba0 d311de10 c159a5c0 [ 0.468000] c1862a00 d3041df0 c117f0f2 00000000 c18629f4 d311de70 00000000 d3041e2c [ 0.468000] c117f8b5 00001000 00000000 c159a5c0 c18629f4 00000000 00000001 c1862a00 [ 0.468000] Call Trace: [ 0.468000] [] ? kernfs_new_node+0x30/0x40 [ 0.468000] [] __kernfs_create_file+0x92/0xc0 [ 0.468000] [] sysfs_add_file_mode_ns+0x95/0x190 [ 0.468000] [] sysfs_create_file_ns+0x27/0x40 [ 0.468000] [] kobject_add_internal+0x136/0x2c0 [ 0.468000] [] ? kvasprintf+0x40/0x50 [ 0.468000] [] ? kobject_set_name_vargs+0x42/0x60 [ 0.468000] [] kobject_init_and_add+0x35/0x50 [ 0.468000] [] acpi_sysfs_add_hotplug_profile+0x24/0x4a [ 0.468000] [] acpi_scan_add_handler_with_hotplug+0x21/0x28 [ 0.468000] [] acpi_pci_root_init+0x20/0x22 [ 0.468000] [] acpi_scan_init+0x24/0x16d [ 0.468000] [] acpi_init+0x20c/0x224 [ 0.468000] [] ? acpi_sleep_init+0xab/0xab [ 0.468000] [] do_one_initcall+0x7e/0x1b0 [ 0.468000] [] ? acpi_sleep_init+0xab/0xab [ 0.468000] [] ? repair_env_string+0x12/0x54 [ 0.468000] [] ? initcall_blacklist+0x7c/0x7c [ 0.468000] [] ? parse_args+0x160/0x3f0 [ 0.468000] [] kernel_init_freeable+0xfc/0x179 [ 0.468000] [] kernel_init+0xb/0xd0 [ 0.468000] [] ret_from_kernel_thread+0x21/0x30 [ 0.468000] [] ? rest_init+0xb0/0xb0 [ 0.468000] Code: 26 00 83 e1 10 75 5b 8b 46 24 e8 b3 ea ff ff 89 46 38 89 f0 e8 d9 f9 ff ff 85 c0 89 c3 75 ca 8b 5f 5c 85 db 74 11 e8 97 90 f1 ff <89> 43 20 89 53 24 89 43 28 89 53 2c b8 c0 2f 85 c1 e8 d1 36 3f [ 0.468000] EIP: [] kernfs_add_one+0x89/0x130 SS:ESP 0068:d3041db4 [ 0.468000] CR2: 0000000000010023 [ 0.468000] ---[ end trace 4fa173691404b63f ]--- [ 0.468000] Kernel panic - not syncing: Fatal exception Elapsed time: 5 qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/i386-randconfig-ib1-09232303/36fbfebe776eb5871d61e7a755c9feb1c96cc4aa/vmlinuz-3.17.0-rc6-00089-g36fbfeb -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/i386-randconfig-ib1-09232303/next:master:36fbfebe776eb5871d61e7a755c9feb1c96cc4aa:bisect-linux-1/.vmlinuz-36fbfebe776eb5871d61e7a755c9feb1c96cc4aa-20140926220514-13-vp branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-ib1-09232303/36fbfebe776eb5871d61e7a755c9feb1c96cc4aa/vmlinuz-3.17.0-rc6-00089-g36fbfeb drbd.minor_count=8' -initrd /kernel-tests/initrd/yocto-minimal-i386.cgz -m 320 -smp 1 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive file=/fs/LABEL=KVM/disk0-yocto-vp-27,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk1-yocto-vp-27,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk2-yocto-vp-27,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk3-yocto-vp-27,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk4-yocto-vp-27,media=disk,if=virtio -drive file=/fs/LABEL=KVM/disk5-yocto-vp-27,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-yocto-vp-27 -serial file:/dev/shm/kboot/serial-yocto-vp-27 -daemonize -display none -monitor null