early console in setup code Probing EDD (edd=off to disable)... ok early console in decompress_kernel KASLR using RDTSC... Decompressing Linux... Parsing ELF... Performing relocations... done. Booting the kernel. [ 0.000000] Linux version 3.14.0-00002-gb1a008d (kbuild@f4) (gcc version 4.8.2 (Debian 4.8.2-18) ) #380 Thu Apr 10 02:02:17 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] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel! [ 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 = 0x100000 [ 0.000000] initial memory mapped: [mem 0x00000000-0x11ffffff] [ 0.000000] Base memory trampoline at [7809b000] 9b000 size 16384 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x12000000-0x123fffff] [ 0.000000] [mem 0x12000000-0x123fffff] page 4k [ 0.000000] BRK [0x11a44000, 0x11a44fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x11ffffff] [ 0.000000] [mem 0x10000000-0x11ffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x12400000-0x13ffdfff] [ 0.000000] [mem 0x12400000-0x13ffdfff] page 4k [ 0.000000] BRK [0x11a45000, 0x11a45fff] PGTABLE [ 0.000000] BRK [0x11a46000, 0x11a46fff] PGTABLE [ 0.000000] BRK [0x11a47000, 0x11a47fff] PGTABLE [ 0.000000] BRK [0x11a48000, 0x11a48fff] PGTABLE [ 0.000000] BRK [0x11a49000, 0x11a49fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x127ab000-0x13feffff] [ 0.000000] ACPI: RSDP 000fd950 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 13ffe450 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 13ffff80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 13ffe490 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 13ffff40 000040 [ 0.000000] ACPI: SSDT 13fff7a0 000796 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 13fff680 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 13fff640 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffb000 ( fee00000) [ 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, boot clock [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x00001000-0x13ffdfff] [ 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] free_area_init_node: node 0, pgdat 890e6000, node_mem_map 8a48b028 [ 0.000000] Normal zone: 800 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 81820 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 ffffb000 ( fee00000) [ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled) [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored. [ 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] ACPI: IRQ2 used by override. [ 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] mapped IOAPIC to ffffa000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 10f0e740 [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 81020 [ 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=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:b1a008d57c41562cb9f3fe6159205f971483d66a:bisect-linux8/.vmlinuz-b1a008d57c41562cb9f3fe6159205f971483d66a-20140410020231-3-f3 branch=linux-devel/devel-f4-i386-201404100103 BOOT_IMAGE=/kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/vmlinuz-3.14.0-00002-gb1a008d drbd.minor_count=8 [ 0.000000] sysrq: sysrq always enabled. [ 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] Memory: 267668K/327280K available (13424K kernel code, 5041K rwdata, 5996K rodata, 652K init, 5580K bss, 59612K reserved) [ 0.000000] virtual kernel memory layout: [ 0.000000] fixmap : 0xfffa1000 - 0xfffff000 ( 376 kB) [ 0.000000] vmalloc : 0x8c7fe000 - 0xfff9f000 (1847 MB) [ 0.000000] lowmem : 0x78000000 - 0x8bffe000 ( 319 MB) [ 0.000000] .init : 0x893e6000 - 0x89489000 ( 652 kB) [ 0.000000] .data : 0x8891c411 - 0x893e5600 (11044 kB) [ 0.000000] .text : 0x87c00000 - 0x8891c411 (13425 kB) [ 0.000000] Checking if this processor honours the WP bit even in supervisor mode... [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/include/asm/pgtable.h:451! [ 0.000000] invalid opcode: 0000 [#1] DEBUG_PAGEALLOC [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.0-00002-gb1a008d #380 [ 0.000000] task: 88efe820 ti: 88efa000 task.ti: 88efa000 [ 0.000000] EIP: 0060:[<87ca16ea>] EFLAGS: 00210002 CPU: 0 [ 0.000000] EIP is at spurious_fault+0x12a/0x250 [ 0.000000] EAX: 00000001 EBX: 00000001 ECX: 00000000 EDX: 00000000 [ 0.000000] ESI: 00000003 EDI: 8948fa84 EBP: 88efbe70 ESP: 88efbe50 [ 0.000000] DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068 [ 0.000000] CR0: 8005003b CR2: ffea1000 CR3: 1148c000 CR4: 00000690 [ 0.000000] Stack: [ 0.000000] 00000000 00000000 00000001 1148c161 8948cffc 00000001 ffea1000 00000003 [ 0.000000] 88efbf04 87ca18ed 89053a50 89053a50 87d161cf 00000001 89053a40 00000001 [ 0.000000] 890539f0 890539f0 00000001 890539e0 88efbeb0 88efe820 0000005c 00000000 [ 0.000000] Call Trace: [ 0.000000] [<87ca18ed>] __do_page_fault+0xdd/0x870 [ 0.000000] [<87d161cf>] ? console_unlock+0x41f/0x780 [ 0.000000] [<8891824d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<87d161f6>] ? console_unlock+0x446/0x780 [ 0.000000] [<8891824d>] ? _raw_spin_unlock_irqrestore+0x6d/0x70 [ 0.000000] [<87d0a226>] ? trace_hardirqs_off_caller+0x66/0xb0 [ 0.000000] [<87c9e230>] ? kvm_read_and_reset_pf_reason+0x40/0x40 [ 0.000000] [<87ca22f1>] do_page_fault+0x21/0x30 [ 0.000000] [<87c9e25e>] do_async_page_fault+0x2e/0x90 [ 0.000000] [<88919862>] error_code+0x6a/0x70 [ 0.000000] [<87ca007b>] ? perf_reg_value+0x9b/0x1a0 [ 0.000000] [<8890036e>] ? do_test_wp_bit+0x19/0x23 [ 0.000000] [<893ff0d8>] mem_init+0x1dc/0x23d [ 0.000000] [<893e6000>] ? x86_cpu_to_apicid+0x9fa/0x9fa [ 0.000000] [<893e6b5a>] start_kernel+0x1cf/0x47d [ 0.000000] [<893e6674>] ? repair_env_string+0x99/0x99 [ 0.000000] [<893e63c7>] i386_start_kernel+0x175/0x178 [ 0.000000] Code: 07 89 45 ec c1 e8 08 89 c3 b8 f0 4a 0f 89 83 e3 01 89 da e8 39 42 0d 00 8b 04 9d ac 71 15 89 40 85 db 89 04 9d ac 71 15 89 74 11 <0f> 0b 8b 55 f0 89 f0 e8 5a f0 ff ff e9 fc fe ff ff 31 c0 f7 45 [ 0.000000] EIP: [<87ca16ea>] spurious_fault+0x12a/0x250 SS:ESP 0068:88efbe50 [ 0.000000] ---[ end trace 05e0c07eb1c663a6 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.000000] Rebooting in 10 seconds.. Elapsed time: 5 qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/vmlinuz-3.14.0-00002-gb1a008d -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=10 softlockup_panic=1 nmi_watchdog=panic prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kernel-tests/run-queue/kvm/i386-randconfig-fd3-0410/linux-devel:devel-f4-i386-201404100103:b1a008d57c41562cb9f3fe6159205f971483d66a:bisect-linux8/.vmlinuz-b1a008d57c41562cb9f3fe6159205f971483d66a-20140410020231-3-f3 branch=linux-devel/devel-f4-i386-201404100103 BOOT_IMAGE=/kernel/i386-randconfig-fd3-0410/b1a008d57c41562cb9f3fe6159205f971483d66a/vmlinuz-3.14.0-00002-gb1a008d drbd.minor_count=8' -initrd /kernel-tests/initrd/quantal-core-i386.cgz -m 320 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1,hostfwd=tcp::9988-:22 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-quantal-f3-41 -serial file:/dev/shm/kboot/serial-quantal-f3-41 -daemonize -display none -monitor null