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 3.19.0-rc2-gbb82635 (kbuild@athens) (gcc version 4.9.1 (Debian 4.9.1-19) ) #20 SMP PREEMPT Tue Jan 6 23:47:01 CST 2015 [ 0.000000] 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/x86_64-randconfig-a0-01031533/linux-devel:devel-athens-smoke-201501062225:bb82635917a34bfb73b837b2ce34f59e08b3930b:bisect-linux-6/.vmlinuz-bb82635917a34bfb73b837b2ce34f59e08b3930b-20150106234737-1-ivb41 branch=linux-devel/devel-athens-smoke-201501062225 BOOT_IMAGE=/kernel/x86_64-randconfig-a0-01031533/bb82635917a34bfb73b837b2ce34f59e08b3930b/vmlinuz-3.19.0-rc2-gbb82635 drbd.minor_count=8 [ 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 0x0000000000100000-0x0000000013fdffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000013fe0000-0x0000000013ffffff] 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 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.000000] Hypervisor detected: KVM [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] AGP: No AGP bridge found [ 0.000000] e820: last_pfn = 0x13fe0 max_arch_pfn = 0x400000000 [ 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] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC [ 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 0x000f0eb0-0x000f0ebf] mapped at [ffff8800000f0eb0] [ 0.000000] mpc: f0ec0-f0fa4 [ 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 [0x02da2000, 0x02da2fff] PGTABLE [ 0.000000] BRK [0x02da3000, 0x02da3fff] PGTABLE [ 0.000000] BRK [0x02da4000, 0x02da4fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x12600000-0x127fffff] [ 0.000000] [mem 0x12600000-0x127fffff] page 4k [ 0.000000] BRK [0x02da5000, 0x02da5fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x10000000-0x125fffff] [ 0.000000] [mem 0x10000000-0x125fffff] page 4k [ 0.000000] BRK [0x02da6000, 0x02da6fff] PGTABLE [ 0.000000] BRK [0x02da7000, 0x02da7fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff] [ 0.000000] [mem 0x00100000-0x0fffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x12800000-0x13fdffff] [ 0.000000] [mem 0x12800000-0x13fdffff] page 4k [ 0.000000] RAMDISK: [mem 0x12925000-0x13fd7fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0C90 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x0000000013FE18BD 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x0000000013FE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x0000000013FE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x0000000013FE0000 000040 [ 0.000000] ACPI: SSDT 0x0000000013FE0BAB 000C5A (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x0000000013FE1805 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x0000000013FE1885 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( fee00000) [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:128a5001, primary cpu clock [ 0.000000] [ffffea0000000000-ffffea00005fffff] PMD -> [ffff880011800000-ffff880011dfffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0x13fdffff] [ 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 0x00100000-0x13fdffff] [ 0.000000] Initmem setup node 0 [mem 0x00001000-0x13fdffff] [ 0.000000] On node 0 totalpages: 81790 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3998 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 1216 pages used for memmap [ 0.000000] DMA32 zone: 77792 pages, LIFO batch:15 [ 0.000000] ACPI: PM-Timer IO Port: 0x608 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffffffff57c000 ( 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: 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 2 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff57b000 (fec00000) [ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on KVM [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 476 pages/cpu @ffff880012200000 s1910976 r8192 d30528 u2097152 [ 0.000000] pcpu-alloc: s1910976 r8192 d30528 u2097152 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] KVM setup async PF for cpu 0 [ 0.000000] kvm-stealtime: cpu 0, msr 1220cd80 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 80489 [ 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/x86_64-randconfig-a0-01031533/linux-devel:devel-athens-smoke-201501062225:bb82635917a34bfb73b837b2ce34f59e08b3930b:bisect-linux-6/.vmlinuz-bb82635917a34bfb73b837b2ce34f59e08b3930b-20150106234737-1-ivb41 branch=linux-devel/devel-athens-smoke-201501062225 BOOT_IMAGE=/kernel/x86_64-randconfig-a0-01031533/bb82635917a34bfb73b837b2ce34f59e08b3930b/vmlinuz-3.19.0-rc2-gbb82635 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] AGP: Checking aperture... [ 0.000000] AGP: No AGP bridge found [ 0.000000] Memory: 261516K/327160K available (4837K kernel code, 1692K rwdata, 2680K rodata, 2800K init, 15584K bss, 65644K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/cpu/common.c:1431 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 3.19.0-rc2-gbb82635 #20 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.000000] 0000000000000009 ffffffff81a03bc8 ffffffff814ada0f ffffffff81a12580 [ 0.000000] ffffffff81a03c18 ffffffff81a03c08 ffffffff81090381 ffffffff81601ac0 [ 0.000000] ffffffff81010178 ffffffff81a03e08 0000000000000068 0000000000000000 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0x4c/0x6e [ 0.000000] [] warn_slowpath_common+0x97/0xb1 [ 0.000000] [] ? warn_pre_alternatives+0x1e/0x20 [ 0.000000] [] warn_slowpath_fmt+0x41/0x43 [ 0.000000] [] ? native_iret+0x7/0x7 [ 0.000000] [] warn_pre_alternatives+0x1e/0x20 [ 0.000000] [] __do_page_fault+0x13f/0x51c [ 0.000000] [] ? save_stack_trace+0x27/0x43 [ 0.000000] [] ? save_trace+0x3c/0x9d [ 0.000000] [] ? mark_lock+0x49e/0x5aa [ 0.000000] [] ? sched_clock_cpu+0x12/0xbc [ 0.000000] [] ? __lock_acquire+0x820/0x1bf2 [ 0.000000] [] do_page_fault+0x36/0x64 [ 0.000000] [] do_async_page_fault+0x2d/0x97 [ 0.000000] [] async_page_fault+0x28/0x30 [ 0.000000] [] ? do_set_cpus_allowed+0x11/0x56 [ 0.000000] [] ? kvm_clock_read+0x25/0x37 [ 0.000000] [] init_idle+0x72/0x1b7 [ 0.000000] [] sched_init+0x319/0x389 [ 0.000000] [] start_kernel+0x238/0x433 [ 0.000000] [] ? early_idt_handlers+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0xf3/0x102 [ 0.000000] ---[ end trace 16da607dead22108 ]--- [ 0.000000] BUG: unable to handle kernel NULL pointer dereference at 0000000000000068 [ 0.000000] IP: [] do_set_cpus_allowed+0x11/0x56 [ 0.000000] PGD 0 [ 0.000000] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Tainted: G W 3.19.0-rc2-gbb82635 #20 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.000000] task: ffffffff81a12580 ti: ffffffff81a00000 task.ti: ffffffff81a00000 [ 0.000000] RIP: 0010:[] [] do_set_cpus_allowed+0x11/0x56 [ 0.000000] RSP: 0000:ffffffff81a03eb8 EFLAGS: 00010086 [ 0.000000] RAX: 0000000000000000 RBX: ffffffff81a12580 RCX: 0000000000000001 [ 0.000000] RDX: 0000000000000002 RSI: ffffffff81611100 RDI: ffffffff81a12580 [ 0.000000] RBP: ffffffff81a03ec8 R08: 0000000000000002 R09: 0000000000000016 [ 0.000000] R10: 0000000000000000 R11: 0000000000000150 R12: ffffffff81611100 [ 0.000000] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000086 [ 0.000000] FS: 0000000000000000(0000) GS:ffff880012200000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.000000] CR2: 0000000000000068 CR3: 0000000001a0d000 CR4: 00000000000006b0 [ 0.000000] Stack: [ 0.000000] ffffffff81a12580 ffff8800123d16c0 ffffffff81a03f08 ffffffff810b26f5 [ 0.000000] 00000000ffffffff ffff8800125d16c0 0000000000000002 ffffffff81ba5400 [ 0.000000] 0000000000000002 00000000001d16c0 ffffffff81a03f48 ffffffff81d93a48 [ 0.000000] Call Trace: [ 0.000000] [] init_idle+0x72/0x1b7 [ 0.000000] [] sched_init+0x319/0x389 [ 0.000000] [] start_kernel+0x238/0x433 [ 0.000000] [] ? early_idt_handlers+0x120/0x120 [ 0.000000] [] x86_64_start_reservations+0x2a/0x2c [ 0.000000] [] x86_64_start_kernel+0xf3/0x102 [ 0.000000] Code: 00 00 31 db e9 3a ff ff ff 48 8d 65 d8 89 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 55 48 89 e5 41 54 53 48 8b 47 60 48 89 fb 49 89 f4 <48> 8b 40 68 48 85 c0 74 02 ff d0 48 63 0d 50 38 af 00 48 8d 93 [ 0.000000] RIP [] do_set_cpus_allowed+0x11/0x56 [ 0.000000] RSP [ 0.000000] CR2: 0000000000000068 [ 0.000000] ---[ end trace 16da607dead22109 ]--- [ 0.000000] Kernel panic - not syncing: Fatal exception Elapsed time: 5 qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/x86_64-randconfig-a0-01031533/bb82635917a34bfb73b837b2ce34f59e08b3930b/vmlinuz-3.19.0-rc2-gbb82635 -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/x86_64-randconfig-a0-01031533/linux-devel:devel-athens-smoke-201501062225:bb82635917a34bfb73b837b2ce34f59e08b3930b:bisect-linux-6/.vmlinuz-bb82635917a34bfb73b837b2ce34f59e08b3930b-20150106234737-1-ivb41 branch=linux-devel/devel-athens-smoke-201501062225 BOOT_IMAGE=/kernel/x86_64-randconfig-a0-01031533/bb82635917a34bfb73b837b2ce34f59e08b3930b/vmlinuz-3.19.0-rc2-gbb82635 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-ivb41-87 -serial file:/dev/shm/kboot/serial-quantal-ivb41-87 -daemonize -display none -monitor null