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] Linux version 3.16.0-rc5-00004-gd07c7f1 (kbuild@lkp-hsx01) (gcc version 4.8.2 (Debian 4.8.2-18) ) #4 SMP Thu Jul 17 17:38:38 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-s0-07170155/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux6/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717173848-83-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s0-07170155/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 drbd.minor_count=8 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 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] 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 [0x02c0f000, 0x02c0ffff] PGTABLE [ 0.000000] BRK [0x02c10000, 0x02c10fff] PGTABLE [ 0.000000] BRK [0x02c11000, 0x02c11fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x13a00000-0x13bfffff] [ 0.000000] [mem 0x13a00000-0x13bfffff] page 4k [ 0.000000] BRK [0x02c12000, 0x02c12fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x139fffff] [ 0.000000] [mem 0x10000000-0x139fffff] page 4k [ 0.000000] BRK [0x02c13000, 0x02c13fff] PGTABLE [ 0.000000] BRK [0x02c14000, 0x02c14fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x13c00000-0x13ffdfff] [ 0.000000] [mem 0x13c00000-0x13ffdfff] page 4k [ 0.000000] cma: CMA: reserved 16 MiB at 12800000 [ 0.000000] RAMDISK: [mem 0x13ce6000-0x13feffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000FD9A0 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x0000000013FFE4B0 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x0000000013FFFF80 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x0000000013FFE4F0 0011A9 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 0x0000000013FFFF40 000040 [ 0.000000] ACPI: SSDT 0x0000000013FFF800 000735 (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x0000000013FFF6E0 000078 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x0000000013FFF6A0 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000013ffdfff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x13ffdfff] [ 0.000000] NODE_DATA [mem 0x13cc9000-0x13ce5fff] [ 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: 1280 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] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.000000] No local APIC present [ 0.000000] APIC: disable apic facility [ 0.000000] APIC: switched to apic NOOP [ 0.000000] nr_irqs_gsi: 16 [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 475 pages/cpu @ffff880013800000 s1913640 r8192 d23768 u2097152 [ 0.000000] pcpu-alloc: s1913640 r8192 d23768 u2097152 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 80519 [ 0.000000] Policy zone: DMA32 [ 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-s0-07170155/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux6/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717173848-83-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s0-07170155/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] xsave: enabled xstate_bv 0x7, cntxt size 0x0 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/cpu/common.c:1422 warn_pre_alternatives+0x1e/0x20() [ 0.000000] You're using static_cpu_has before alternatives have run! [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 3.16.0-rc5-00004-gd07c7f1 #4 [ 0.000000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] 0000000000000000 ffffffff81803c18 ffffffff813a7bd2 ffffffff81803c60 [ 0.000000] ffffffff81803c50 ffffffff810a5485 ffffffff810102f9 ffffffff81803e08 [ 0.000000] 0000000000000002 000000000000077c 0000000000000000 ffffffff81803cb0 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0x4d/0x66 [ 0.000000] [] warn_slowpath_common+0x7f/0x98 [ 0.000000] [] ? warn_pre_alternatives+0x1e/0x20 [ 0.000000] [] warn_slowpath_fmt+0x4c/0x4e [ 0.000000] [] ? restore_args+0x30/0x30 [ 0.000000] [] warn_pre_alternatives+0x1e/0x20 [ 0.000000] [] __do_page_fault+0x1bd/0x7ca [ 0.000000] [] ? console_unlock+0x377/0x3c1 [ 0.000000] [] ? trace_hardirqs_off+0xd/0xf [ 0.000000] [] ? _raw_spin_unlock_irqrestore+0x40/0x5e [ 0.000000] [] ? __next_mem_range_rev+0x205/0x232 [ 0.000000] [] ? trace_hardirqs_off_caller+0xe7/0x128 [ 0.000000] [] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 0.000000] [] do_page_fault+0x22/0x27 [ 0.000000] [] page_fault+0x28/0x30 [ 0.000000] [] ? __free_pages_bootmem+0x2d/0xf9 [ 0.000000] [] __free_memory_core+0xa7/0xbe [ 0.000000] [] free_all_bootmem+0x51/0xd2 [ 0.000000] [] mem_init+0x5c/0x8d [ 0.000000] [] start_kernel+0x1f7/0x53d [ 0.000000] [] ? set_init_arg+0x55/0x55 [ 0.000000] [] ? early_idt_handlers+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0x140/0x14d [ 0.000000] ---[ end trace e4962b91bd705c64 ]--- [ 0.000000] BUG: unable to handle kernel NULL pointer dereference at 000000000000077c [ 0.000000] IP: [] __free_pages_bootmem+0x2d/0xf9 [ 0.000000] PGD 0 [ 0.000000] Oops: 0002 [#1] SMP [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G W 3.16.0-rc5-00004-gd07c7f1 #4 [ 0.000000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.000000] task: ffffffff8180f490 ti: ffffffff81800000 task.ti: ffffffff81800000 [ 0.000000] RIP: 0010:[] [] __free_pages_bootmem+0x2d/0xf9 [ 0.000000] RSP: 0000:ffffffff81803eb8 EFLAGS: 00010002 [ 0.000000] RAX: 00000000000007bc RBX: 000000000000077c RCX: 0000000000000000 [ 0.000000] RDX: 0000000000000010 RSI: 000000000000000f RDI: 000000000000077c [ 0.000000] RBP: ffffffff81803ed0 R08: 0000000000000004 R09: 0000000000000001 [ 0.000000] R10: 0000000000000000 R11: 000000000000001d R12: 0000000000000099 [ 0.000000] R13: 0000000000000004 R14: 000000000000000a R15: 00000000ffffffff [ 0.000000] FS: 0000000000000000(0000) GS:ffff880013800000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.000000] CR2: 000000000000077c CR3: 000000000180a000 CR4: 00000000000406a0 [ 0.000000] Stack: [ 0.000000] 0000000000000010 0000000000000099 0000000000000020 ffffffff81803f00 [ 0.000000] ffffffff81b78d61 0000000000000000 ffffffff81bd7910 ffff880013ff1180 [ 0.000000] ffffffff81bde090 ffffffff81803f38 ffffffff81b78fe9 0000000000000000 [ 0.000000] Call Trace: [ 0.000000] [] __free_memory_core+0xa7/0xbe [ 0.000000] [] free_all_bootmem+0x51/0xd2 [ 0.000000] [] mem_init+0x5c/0x8d [ 0.000000] [] start_kernel+0x1f7/0x53d [ 0.000000] [] ? set_init_arg+0x55/0x55 [ 0.000000] [] ? early_idt_handlers+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0x140/0x14d [ 0.000000] Code: 88 f1 ba 01 00 00 00 d3 e2 48 89 e5 41 55 41 89 f5 41 54 53 48 89 fb 0f 18 0f 31 c9 48 89 f8 8d 72 ff eb 15 48 83 c0 40 0f 18 08 <0f> ba 70 c0 0a c7 40 dc 00 00 00 00 ff c1 39 f1 72 e7 89 f0 48 [ 0.000000] RIP [] __free_pages_bootmem+0x2d/0xf9 [ 0.000000] RSP [ 0.000000] CR2: 000000000000077c [ 0.000000] ---[ end trace e4962b91bd705c65 ]--- [ 0.000000] Kernel panic - not syncing: Fatal exception [ 0.000000] Rebooting in 10 seconds.. Elapsed time: 5 qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep,+smap -kernel /kernel/x86_64-randconfig-s0-07170155/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-s0-07170155/linux-devel:devel-hourly-2014071701:d07c7f1ed61789e175fa975134855be32263be2c:bisect-linux6/.vmlinuz-d07c7f1ed61789e175fa975134855be32263be2c-20140717173848-83-kbuild branch=linux-devel/devel-hourly-2014071701 BOOT_IMAGE=/kernel/x86_64-randconfig-s0-07170155/d07c7f1ed61789e175fa975134855be32263be2c/vmlinuz-3.16.0-rc5-00004-gd07c7f1 drbd.minor_count=8' -initrd /kernel-tests/initrd/yocto-minimal-x86_64.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 -pidfile /dev/shm/kboot/pid-yocto-kbuild-31 -serial file:/dev/shm/kboot/serial-yocto-kbuild-31 -daemonize -display none -monitor null