early console in setup code early console in extract_kernel input_data: 0x00000000025a3276 input_len: 0x00000000005cf71c output: 0x0000000001000000 output_len: 0x0000000001218068 kernel_total_size: 0x0000000001b92000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 4.14.0-01247-g06222d8 (kbuild@lkp-ib03) (gcc version 6.4.0 20171026 (Debian 6.4.0-9)) #112 Sat Nov 25 00:30:31 CST 2017 [ 0.000000] Command line: root=/dev/ram0 hung_task_panic=1 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw link=/kbuild-tests/run-queue/yocto-lkp-hsw01/x86_64-randconfig-i0-201747/tip:master:06222d856e45d727c18665ed37419d653f1dbef5:bisect-linux-17/.vmlinuz-06222d856e45d727c18665ed37419d653f1dbef5-20171125003213-33:yocto-lkp-hsw01-84 branch=tip/master BOOT_IMAGE=/pkg/linux/x86_64-randconfig-i0-201747/gcc-6/06222d856e45d727c18665ed37419d653f1dbef5/vmlinuz-4.14.0-01247-g06222d8 drbd.minor_count=8 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 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 0x0000000000100000-0x000000001ffdbfff] usable [ 0.000000] BIOS-e820: [mem 0x000000001ffdc000-0x000000001fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] random: fast init done [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 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 = 0x1ffdc 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] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 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 0x000f6a90-0x000f6a9f] mapped at [ffffffffff200a90] [ 0.000000] mpc: f6aa0-f6b80 [ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576 [ 0.000000] BRK [0x02b6d000, 0x02b6dfff] PGTABLE [ 0.000000] BRK [0x02b6e000, 0x02b6efff] PGTABLE [ 0.000000] BRK [0x02b6f000, 0x02b6ffff] PGTABLE [ 0.000000] BRK [0x02b70000, 0x02b70fff] PGTABLE [ 0.000000] RAMDISK: [mem 0x1fbf9000-0x1ffcffff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: 0x00000000000F68C0 000000 (v00 00000000 00000000) [ 0.000000] kvm-clock: cpu 0, msr 0:1ffda001, primary cpu clock [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: using sched offset of 307052724 cycles [ 0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x000000001ffdbfff] [ 0.000000] Normal empty [ 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 0x0000000000100000-0x000000001ffdbfff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffdbfff] [ 0.000000] On node 0 totalpages: 130938 [ 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: 1984 pages used for memmap [ 0.000000] DMA32 zone: 126940 pages, LIFO batch:31 [ 0.000000] Intel MultiProcessor Specification v1.0 [ 0.000000] ------------[ cut here ]------------ [ 0.000000] kernel BUG at arch/x86/kernel/mpparse.c:559! PANIC: early exception 0x06 IP 10:ffffffff81f1ceb4 error 0 cr2 0xffff880002b6d000 [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.14.0-01247-g06222d8 #112 [ 0.000000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 0.000000] task: ffffffff81c1a500 task.stack: ffffffff81c00000 [ 0.000000] RIP: 0010:default_get_smp_config+0x73c/0x7da [ 0.000000] RSP: 0000:ffffffff81c03e38 EFLAGS: 00010046 ORIG_RAX: 0000000000000000 [ 0.000000] RAX: 0000000000000027 RBX: 86db21edabd071e4 RCX: ffffffff81c03ce4 [ 0.000000] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 0.000000] RBP: ffffffff81c03eb8 R08: 0000000000000001 R09: 0000000000000000 [ 0.000000] R10: ffffffff81c03d88 R11: ffffffff82919e0c R12: ffff88001ffcfe25 [ 0.000000] R13: 00000000003d6e25 R14: ffffffffff200a90 R15: 0000000000000000 [ 0.000000] FS: 0000000000000000(0000) GS:ffffffff81c39000(0000) knlGS:0000000000000000 [ 0.000000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.000000] CR2: ffff880002b6d000 CR3: 0000000001c15000 CR4: 00000000000606b0 [ 0.000000] Call Trace: [ 0.000000] ? dmi_check_system+0x15/0x3a [ 0.000000] ? acpi_boot_init+0x34/0x84f [ 0.000000] ? fill_pte+0xba/0xee [ 0.000000] ? early_pci_scan_bus+0x62/0x30e [ 0.000000] ? __set_pte_vaddr+0x36/0x40 [ 0.000000] ? setup_arch+0xa63/0xb77 [ 0.000000] ? init_cgroup_housekeeping+0xc3/0xe5 [ 0.000000] ? start_kernel+0x79/0x5fd [ 0.000000] ? secondary_startup_64+0xa5/0xb0 [ 0.000000] Code: 0b 00 16 ff 48 8d 7d a0 c6 45 a0 01 c6 45 a1 00 c7 45 a2 49 53 41 20 66 c7 45 a6 20 20 e8 81 eb ff ff 31 ff e8 46 e4 ff ff eb 02 <0f> 0b 48 b8 1c b0 0c 95 d6 6c a7 78 48 31 c3 8b 35 bf 6d 10 00 Elapsed time: 10 qemu-img create -f qcow2 disk-yocto-lkp-hsw01-84-0 256G qemu-img create -f qcow2 disk-yocto-lkp-hsw01-84-1 256G kvm=( qemu-system-x86_64 -enable-kvm -cpu Haswell,+smep -kernel $kernel -initrd /osimage/yocto/yocto-trinity-x86_64.cgz -m 512 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -watchdog-action debug -rtc base=localtime -drive file=disk-yocto-lkp-hsw01-84-0,media=disk,if=virtio -drive file=disk-yocto-lkp-hsw01-84-1,media=disk,if=virtio -serial stdio -display none -monitor null ) append=( root=/dev/ram0 hung_task_panic=1 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 vga=normal rw branch=tip/master BOOT_IMAGE=/pkg/linux/x86_64-randconfig-i0-201747/gcc-6/06222d856e45d727c18665ed37419d653f1dbef5/vmlinuz-4.14.0-01247-g06222d8 drbd.minor_count=8 ) "${kvm[@]}" -append "${append[*]}"