Linux version 4.0.0-rc4-00251-ge928abc #16 Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning 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-r1-0317/next:master:e928abcb309c3423e27680c845b1c7c374a2bb50:bisect-linux-9/.vmlinuz-e928abcb309c3423e27680c845b1c7c374a2bb50-20150321033152-19-client9 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-r1-0317/e928abcb309c3423e27680c845b1c7c374a2bb50/vmlinuz-4.0.0-rc4-00251-ge928abc drbd.minor_count=8 early console in setup code early console in decompress_kernel Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 4.0.0-rc4-00251-ge928abc (kbuild@roam) (gcc version 4.9.2 (Debian 4.9.2-10) ) #16 PREEMPT Sat Mar 21 03:30:26 CST 2015 [ 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] e820: last_pfn = 0x13fe0 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] PAT configuration [0-7]: WB WC UC- UC WB WC UC- UC [ 0.000000] initial memory mapped: [mem 0x00000000-0x02bfffff] [ 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 0x12400000-0x125fffff] [ 0.000000] [mem 0x12400000-0x125fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x00100000-0x123fffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x123fffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x12600000-0x13fdffff] [ 0.000000] [mem 0x12600000-0x13dfffff] page 2M [ 0.000000] [mem 0x13e00000-0x13fdffff] page 4k [ 0.000000] BRK [0x0269f000, 0x0269ffff] PGTABLE [ 0.000000] BRK [0x026a0000, 0x026a0fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x12793000-0x13fd7fff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x000F0C90 000014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 0x13FE18BD 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 0x13FE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 0x13FE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACS 0x13FE0000 000040 [ 0.000000] ACPI: SSDT 0x13FE0BAB 000C5A (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 0x13FE1805 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 0x13FE1885 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] mapped APIC to ffffc000 ( fee00000) [ 0.000000] 319MB LOWMEM available. [ 0.000000] mapped low ram: 0 - 13fe0000 [ 0.000000] low ram: 0 - 13fe0000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr 0:13fdf001, primary cpu clock [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] Normal [mem 0x0000000001000000-0x0000000013fdffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x0000000013fdffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x0000000013fdffff] [ 0.000000] On node 0 totalpages: 81790 [ 0.000000] BUG: Int 6: CR2 (null) [ 0.000000] EDI 00013fe0 ESI 00000020 EBP c1b4bec4 EBX 00000001 [ 0.000000] ESP c1b4bebc ES 0000007b DS 0000007b [ 0.000000] EDX 00000061 ECX (null) EAX 00000001 [ 0.000000] vec 00000006 err (null) EIP c176853b CS 00000060 flg 00210002 [ 0.000000] Stack: 00013f7e 00000003 c1b4bf04 c1daac87 c1aae888 (null) 00013f7e 00000001 [ 0.000000] c1b4bef8 (null) c1b4bf08 (null) 00000001 00000001 00013fe0 c1b4bf28 [ 0.000000] c1b4bf2c c1b4bf1c c1b4bf3c c1dab4ef (null) 00000001 00000001 (null) [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.0.0-rc4-00251-ge928abc #16 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014 [ 0.000000] 00000001 00000001 00000020 c1b4be6c c176d5ce c1b4bec4 c1d891db c1df9f89 [ 0.000000] 00000006 00000000 00013fe0 00000020 c1b4bec4 00000001 c1b4bebc 0000007b [ 0.000000] 0000007b 00000061 00000000 00000001 00000006 00000000 c176853b 00000060 [ 0.000000] Call Trace: [ 0.000000] [] dump_stack+0x16/0x18 [ 0.000000] [] early_idt_handler+0x6b/0x6b [ 0.000000] [] ? alloc_node_mem_map+0xef/0x104 [ 0.000000] [] free_area_init_node+0x12b/0x41f [ 0.000000] [] free_area_init_nodes+0x574/0x5a1 [ 0.000000] [] zone_sizes_init+0x35/0x3b [ 0.000000] [] paging_init+0xb8/0xbb [ 0.000000] [] native_pagetable_init+0xa6/0x157 [ 0.000000] [] setup_arch+0xe05/0xf12 [ 0.000000] [] start_kernel+0x78/0x483 [ 0.000000] [] i386_start_kernel+0x9b/0x9f Elapsed time: 10 qemu-system-x86_64 -cpu kvm64 -enable-kvm -kernel /kernel/i386-randconfig-r1-0317/e928abcb309c3423e27680c845b1c7c374a2bb50/vmlinuz-4.0.0-rc4-00251-ge928abc -append 'hung_task_panic=1 earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning 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-r1-0317/next:master:e928abcb309c3423e27680c845b1c7c374a2bb50:bisect-linux-9/.vmlinuz-e928abcb309c3423e27680c845b1c7c374a2bb50-20150321033152-19-client9 branch=next/master BOOT_IMAGE=/kernel/i386-randconfig-r1-0317/e928abcb309c3423e27680c845b1c7c374a2bb50/vmlinuz-4.0.0-rc4-00251-ge928abc 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 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-quantal-client9-19 -serial file:/dev/shm/kboot/serial-quantal-client9-19 -daemonize -display none -monitor null