early console in setup code Probing EDD (edd=off to disable)... ok early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.16.0-rc5-00004-gd07c7f1 (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #1 Thu Jul 17 16:51:00 CST 2014 [ 0.000000] 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=/kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-07170206/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux-7/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717165128-196-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s1-07170206/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 drbd.minor_count=8 [ 0.000000] KERNEL supported cpus: [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] CPU: vendor_id 'ineIGenuntel' unknown, using generic init. [ 0.000000] CPU: Your system may be unstable. [ 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 missing in CPU! [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2011 [ 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 = 0x400000000 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fdae0-0x000fdaef] mapped at [ffff8800000fdae0] [ 0.000000] mpc: fdaf0-fdbe4 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x02c32000, 0x02c32fff] PGTABLE [ 0.000000] BRK [0x02c33000, 0x02c33fff] PGTABLE [ 0.000000] BRK [0x02c34000, 0x02c34fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x12600000-0x127fffff] [ 0.000000] [mem 0x12600000-0x127fffff] page 4k [ 0.000000] BRK [0x02c35000, 0x02c35fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x125fffff] [ 0.000000] [mem 0x10000000-0x125fffff] page 4k [ 0.000000] BRK [0x02c36000, 0x02c36fff] PGTABLE [ 0.000000] BRK [0x02c37000, 0x02c37fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x12800000-0x13ffdfff] [ 0.000000] [mem 0x12800000-0x13ffdfff] page 4k [ 0.000000] RAMDISK: [mem 0x1293d000-0x13feffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD950 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x0000000013FFE450 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x0000000013FFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x0000000013FFE490 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x0000000013FFFF40 000040 [ 0.000000] ACPI: SSDT 0x0000000013FFF7A0 000796 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x0000000013FFF680 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x0000000013FFF640 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x00001000-0xffffffff] [ 0.000000] Normal 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] DMA32 zone: 1120 pages used for memmap [ 0.000000] DMA32 zone: 21 pages reserved [ 0.000000] DMA32 zone: 81820 pages, LIFO batch:15 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] mpc: fdaf0-fdbe4 [ 0.000000] MPTABLE: OEM ID: BOCHSCPU [ 0.000000] MPTABLE: Product ID: 0.1 [ 0.000000] MPTABLE: APIC at: 0xFEE00000 [ 0.000000] mapped APIC to ffffffffff5fc000 ( fee00000) [ 0.000000] Processor #0 (Bootup-CPU) [ 0.000000] Processor #1 [ 0.000000] ACPI: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored. [ 0.000000] Bus #0 is PCI [ 0.000000] Bus #1 is ISA [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 09 [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0b [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC INT 02 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 01, APIC ID 0, APIC INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 03, APIC ID 0, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 04, APIC ID 0, APIC INT 04 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 05, APIC ID 0, APIC INT 05 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 06, APIC ID 0, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 07, APIC ID 0, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 08, APIC ID 0, APIC INT 08 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0a, APIC ID 0, APIC INT 0a [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0c, APIC ID 0, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0d, APIC ID 0, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0e, APIC ID 0, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0f, APIC ID 0, APIC INT 0f [ 0.000000] Lint: type 3, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC LINT 00 [ 0.000000] Lint: type 1, pol 0, trig 0, bus 01, IRQ 00, APIC ID ff, APIC LINT 01 [ 0.000000] Processors: 1 [ 0.000000] mapped IOAPIC to ffffffffff5fb000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 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: 80679 [ 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=/kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-07170206/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux-7/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717165128-196-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s1-07170206/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 drbd.minor_count=8 [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.000000] xsave: enabled xstate_bv 0x7, cntxt size 0x0 [ 0.000000] BUG: unable to handle kernel NULL pointer dereference at 00000000000006fc [ 0.000000] IP: [] __free_pages_bootmem+0x21/0x9d [ 0.000000] PGD 0 [ 0.000000] Oops: 0002 [#1] [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.16.0-rc5-00004-gd07c7f1 #1 [ 0.000000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] task: ffffffff81a1a4c0 ti: ffffffff81a00000 task.ti: ffffffff81a00000 [ 0.000000] RIP: 0010:[] [] __free_pages_bootmem+0x21/0x9d [ 0.000000] RSP: 0000:ffffffff81a03ed8 EFLAGS: 00010012 [ 0.000000] RAX: 0000000000000734 RBX: 0000000000000010 RCX: 0000000000000004 [ 0.000000] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 00000000000006fc [ 0.000000] RBP: ffffffff81a03f00 R08: 000000000000000f R09: 0000000000000010 [ 0.000000] R10: 000000000000001c R11: 000000000009f000 R12: 0000000000000099 [ 0.000000] R13: 0000000000000020 R14: 000000000000000a R15: ffffffff81c9b120 [ 0.000000] FS: 0000000000000000(0000) GS:ffffffff81a25000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.000000] CR2: 00000000000006fc CR3: 0000000001a15000 CR4: 00000000000406a0 [ 0.000000] Stack: [ 0.000000] ffffffff81cb6bd3 0000000000000000 ffffffff81d19940 ffff880013ffc140 [ 0.000000] ffffffff81d200a0 ffffffff81a03f38 ffffffff81cb6de3 0000000000000000 [ 0.000000] 0000000000010000 0000000000099000 0000000200000000 ffffffffffffffff [ 0.000000] Call Trace: [ 0.000000] [] ? __free_memory_core+0xa2/0xb9 [ 0.000000] [] free_all_bootmem+0x51/0xd2 [ 0.000000] [] mem_init+0xe/0x21 [ 0.000000] [] start_kernel+0x1eb/0x4ea [ 0.000000] [] ? set_init_arg+0x55/0x55 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0x172/0x181 [ 0.000000] Code: 89 e5 5d c3 55 48 89 e5 5d c3 40 88 f1 41 b9 01 00 00 00 41 d3 e1 0f 18 0f 31 d2 48 89 f8 45 8d 41 ff eb 15 48 83 c0 38 0f 18 08 <0f> ba 70 c8 0a c7 40 e4 00 00 00 00 ff c2 41 39 d0 77 e6 4d 6b [ 0.000000] RIP [] __free_pages_bootmem+0x21/0x9d [ 0.000000] RSP [ 0.000000] CR2: 00000000000006fc [ 0.000000] ---[ end trace 87d1642ee2ad5638 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.000000] Rebooting in 10 seconds.. Elapsed time: 10 qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /kernel/x86_64-randconfig-s1-07170206/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 -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=/kbuild-tests/run-queue/kvm/x86_64-randconfig-s1-07170206/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux-7/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717165128-196-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s1-07170206/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 drbd.minor_count=8' -initrd /kernel-tests/initrd/quantal-core-x86_64.cgz -m 320 -smp 2 -net nic,vlan=1,model=e1000 -net user,vlan=1 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-quantal-kbuild-30 -serial file:/dev/shm/kboot/serial-quantal-kbuild-30 -daemonize -display none -monitor null