early console in setup code
early console in extract_kernel
input_data: 0x0000000005c17276
input_len: 0x0000000000c9088c
output: 0x0000000001000000
output_len: 0x0000000003149370
kernel_total_size: 0x00000000058d6000
booted via startup_32()
Physical KASLR using RDTSC...
Virtual KASLR using RDTSC...

Decompressing Linux... Parsing ELF... Performing relocations... done.
Booting the kernel.
[    0.000000] Linux version 4.10.0-11076-g2b232e0 (kbuild@lkp-hsx03) (gcc version 6.2.0 20160901 (Debian 6.2.0-3) ) #2 Fri Mar 10 07:41:32 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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 0x0000000000100000-0x000000001ffd1fff] usable
[    0.000000] BIOS-e820: [mem 0x000000001ffd2000-0x000000001fffffff] 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] SMBIOS 2.8 present.
[    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-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 = 0x1ffd2 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  WC  UC- WT  
[    0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[    0.000000] BRK [0x12eb1000, 0x12eb1fff] PGTABLE
[    0.000000] BRK [0x12eb2000, 0x12eb2fff] PGTABLE
[    0.000000] BRK [0x12eb3000, 0x12eb3fff] PGTABLE
[    0.000000] BRK [0x12eb4000, 0x12eb4fff] PGTABLE
[    0.000000] RAMDISK: [mem 0x1fcc6000-0x1ffcffff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000F6980 000014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 0x000000001FFE18DC 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 0x000000001FFE17B8 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.000000] ACPI: DSDT 0x000000001FFE0040 001778 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACS 0x000000001FFE0000 000040
[    0.000000] ACPI: APIC 0x000000001FFE182C 000078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.000000] ACPI: HPET 0x000000001FFE18A4 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5fc000 (        fee00000)
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: cpu 0, msr 0:1ffd1001, primary cpu clock
[    0.000000] kvm-clock: using sched offset of 2727452440 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 0x0000000001000000-0x000000001ffd1fff]
[    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 0x0000000000100000-0x000000001ffd1fff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffd1fff]
[    0.000000] On node 0 totalpages: 130928
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 21 pages reserved
[    0.000000]   DMA zone: 3998 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 1736 pages used for memmap
[    0.000000]   DMA32 zone: 126930 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x608
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    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] mapped IOAPIC to ffffffffff5fb000 (fec00000)
[    0.000000] KVM setup async PF for cpu 0
[    0.000000] kvm-stealtime: cpu 0, msr f6755c0
[    0.000000] e820: [mem 0x20000000-0xfeffbfff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on KVM
[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30582079743023 ns
[    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: 129115
[    0.000000] Kernel 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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] Calgary: detecting Calgary via BIOS EBDA area
[    0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[    0.000000] Memory: 421660K/523712K available (20394K kernel code, 11243K rwdata, 10384K rodata, 1936K init, 44864K bss, 102052K reserved, 0K cma-reserved)
[    0.004000] 
[    0.004000] **********************************************************
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **                                                      **
[    0.004000] ** trace_printk() being used. Allocating extra memory.  **
[    0.004000] **                                                      **
[    0.004000] ** This means that this is a DEBUG kernel and it is     **
[    0.004000] ** unsafe for production use.                           **
[    0.004000] **                                                      **
[    0.004000] ** If you see this message and you are not debugging    **
[    0.004000] ** the kernel, report this immediately to your vendor!  **
[    0.004000] **                                                      **
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **********************************************************
[    0.004000] NR_IRQS:4352 nr_irqs:256 16
[    0.004000] Console: colour VGA+ 80x25
[    0.004000] console [tty0] enabled
[    0.004000] bootconsole [earlyser0] disabled
[    0.000000] Linux version 4.10.0-11076-g2b232e0 (kbuild@lkp-hsx03) (gcc version 6.2.0 20160901 (Debian 6.2.0-3) ) #2 Fri Mar 10 07:41:32 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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 0x0000000000100000-0x000000001ffd1fff] usable
[    0.000000] BIOS-e820: [mem 0x000000001ffd2000-0x000000001fffffff] 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] SMBIOS 2.8 present.
[    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-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 = 0x1ffd2 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  WC  UC- WT  
[    0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[    0.000000] BRK [0x12eb1000, 0x12eb1fff] PGTABLE
[    0.000000] BRK [0x12eb2000, 0x12eb2fff] PGTABLE
[    0.000000] BRK [0x12eb3000, 0x12eb3fff] PGTABLE
[    0.000000] BRK [0x12eb4000, 0x12eb4fff] PGTABLE
[    0.000000] RAMDISK: [mem 0x1fcc6000-0x1ffcffff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000F6980 000014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 0x000000001FFE18DC 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 0x000000001FFE17B8 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.000000] ACPI: DSDT 0x000000001FFE0040 001778 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACS 0x000000001FFE0000 000040
[    0.000000] ACPI: APIC 0x000000001FFE182C 000078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.000000] ACPI: HPET 0x000000001FFE18A4 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5fc000 (        fee00000)
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: cpu 0, msr 0:1ffd1001, primary cpu clock
[    0.000000] kvm-clock: using sched offset of 2727452440 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 0x0000000001000000-0x000000001ffd1fff]
[    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 0x0000000000100000-0x000000001ffd1fff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffd1fff]
[    0.000000] On node 0 totalpages: 130928
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 21 pages reserved
[    0.000000]   DMA zone: 3998 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 1736 pages used for memmap
[    0.000000]   DMA32 zone: 126930 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x608
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    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] mapped IOAPIC to ffffffffff5fb000 (fec00000)
[    0.000000] KVM setup async PF for cpu 0
[    0.000000] kvm-stealtime: cpu 0, msr f6755c0
[    0.000000] e820: [mem 0x20000000-0xfeffbfff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on KVM
[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30582079743023 ns
[    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: 129115
[    0.000000] Kernel 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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] Calgary: detecting Calgary via BIOS EBDA area
[    0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[    0.000000] Memory: 421660K/523712K available (20394K kernel code, 11243K rwdata, 10384K rodata, 1936K init, 44864K bss, 102052K reserved, 0K cma-reserved)
[    0.004000] 
[    0.004000] **********************************************************
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **                                                      **
[    0.004000] ** trace_printk() being used. Allocating extra memory.  **
[    0.004000] **                                                      **
[    0.004000] ** This means that this is a DEBUG kernel and it is     **
[    0.004000] ** unsafe for production use.                           **
[    0.004000] **                                                      **
[    0.004000] ** If you see this message and you are not debugging    **
[    0.004000] ** the kernel, report this immediately to your vendor!  **
[    0.004000] **                                                      **
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **********************************************************
[    0.004000] NR_IRQS:4352 nr_irqs:256 16
[    0.004000] Console: colour VGA+ 80x25
[    0.004000] console [tty0] enabled
[    0.004000] bootconsole [earlyser0] disabled
[    0.004000] console [ttyS0] enabled
[    0.004000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.004000] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.004000] ... MAX_LOCK_DEPTH:          48
[    0.004000] ... MAX_LOCKDEP_KEYS:        8191
[    0.004000] ... CLASSHASH_SIZE:          4096
[    0.004000] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.004000] ... MAX_LOCKDEP_CHAINS:      65536
[    0.004000] ... CHAINHASH_SIZE:          32768
[    0.004000]  memory used by lock dependency info: 8639 kB
[    0.004000]  per task-struct memory footprint: 2688 bytes
[    0.004000] ODEBUG: selftest passed
[    0.004000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    0.004000] hpet clockevent registered
[    0.004019] tsc: Detected 2693.506 MHz processor
[    0.005227] Calibrating delay loop (skipped) preset value.. 5387.01 BogoMIPS (lpj=10774024)
[    0.008012] pid_max: default: 32768 minimum: 301
[    0.009246] ACPI: Core revision 20170119
[    0.020282] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    0.021972] Security Framework initialized
[    0.023058] Yama: becoming mindful.
[    0.024123] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.025694] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.028412] mce: CPU supports 10 MCE banks
[    0.029651] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    0.030954] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    0.032011] CPU: Intel Core Processor (Haswell) (family: 0x6, model: 0x3c, stepping: 0x1)
[    0.036774] Performance Events: unsupported p6 CPU model 60 no PMU driver, software events only.
[    0.041713] enabled ExtINT on CPU#0
[    0.043730] ENABLING IO-APIC IRQs
[    0.044043] init IO_APIC IRQs
[    0.045009]  apic 0 pin 0 not connected
[    0.046066] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[    0.048037] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[    0.050059] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[    0.052000]  apic 0 pin 16 not connected
[    0.052000]  apic 0 pin 17 not connected
[    0.052000]  apic 0 pin 18 not connected
[    0.052000]  apic 0 pin 19 not connected
[    0.052000]  apic 0 pin 20 not connected
[    0.052000]  apic 0 pin 21 not connected
[    0.052000]  apic 0 pin 22 not connected
[    0.052000]  apic 0 pin 23 not connected
[    0.052000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.052000] TSC deadline timer enabled
[    0.052000] devtmpfs: initialized
[    0.052000] x86/mm: Memory block size: 128MB
[    0.063199] pgdatinit0 (8) used greatest stack depth: 15072 bytes left
[    0.064334] gcov: version magic: 0x3630322a
[    0.071476] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.072028] futex hash table entries: 256 (order: 2, 24576 bytes)
[    0.073739] xor: automatically using best checksumming function   avx       
[    0.076135] regulator-dummy: Failed to create debugfs directory
[    0.078780] NET: Registered protocol family 16
[    0.083738] ACPI: bus type PCI registered
[    0.084352] PCI: Using configuration type 1 for base access
[    0.130912] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    0.200093] raid6: sse2x1   gen()  1726 MB/s
[    0.268054] raid6: sse2x1   xor()  1244 MB/s
[    0.336034] raid6: sse2x2   gen()  2306 MB/s
[    0.404030] raid6: sse2x2   xor()  1453 MB/s
[    0.472013] raid6: sse2x4   gen()  2382 MB/s
[    0.540015] raid6: sse2x4   xor()  1503 MB/s
[    0.541134] raid6: using algorithm sse2x4 gen() 2382 MB/s
[    0.542462] raid6: .... xor() 1503 MB/s, rmw enabled
[    0.543749] raid6: using ssse3x2 recovery algorithm
[    0.544394] ACPI: Added _OSI(Module Device)
[    0.545497] ACPI: Added _OSI(Processor Device)
[    0.546632] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.547803] ACPI: Added _OSI(Processor Aggregator Device)
[    0.557788] ACPI: Interpreter enabled
[    0.558819] ACPI: (supports S0 S5)
[    0.559774] ACPI: Using IOAPIC for interrupt routing
[    0.560086] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    0.586471] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    0.588000] acpi PNP0A03:00: _OSC: OS supports [Segments MSI]
[    0.589437] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    0.591258] PCI host bridge to bus 0000:00
[    0.592015] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    0.593555] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    0.595136] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    0.596014] pci_bus 0000:00: root bus resource [mem 0x20000000-0xfebfffff window]
[    0.597985] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.599394] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[    0.601333] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[    0.604205] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[    0.627325] pci 0000:00:01.1: reg 0x20: [io  0xc200-0xc20f]
[    0.636053] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
[    0.637667] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
[    0.639277] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
[    0.640013] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
[    0.642510] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[    0.644559] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI
[    0.646443] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB
[    0.648944] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[    0.656021] pci 0000:00:02.0: reg 0x10: [mem 0xfa000000-0xfaffffff pref]
[    0.672027] pci 0000:00:02.0: reg 0x18: [mem 0xfebf0000-0xfebf0fff]
[    0.704028] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[    0.706690] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[    0.721774] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[    0.732014] pci 0000:00:03.0: reg 0x14: [io  0xc000-0xc03f]
[    0.772018] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[    0.777486] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000
[    0.784013] pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
[    0.792014] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff]
[    0.816016] pci 0000:00:04.0: reg 0x20: [mem 0xfb000000-0xfb7fffff 64bit pref]
[    0.825715] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000
[    0.832013] pci 0000:00:05.0: reg 0x10: [io  0xc080-0xc0bf]
[    0.840012] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff]
[    0.864015] pci 0000:00:05.0: reg 0x20: [mem 0xfb800000-0xfbffffff 64bit pref]
[    0.873568] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000
[    0.880013] pci 0000:00:06.0: reg 0x10: [io  0xc0c0-0xc0ff]
[    0.888014] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff]
[    0.912016] pci 0000:00:06.0: reg 0x20: [mem 0xfc000000-0xfc7fffff 64bit pref]
[    0.925569] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000
[    0.932014] pci 0000:00:07.0: reg 0x10: [io  0xc100-0xc13f]
[    0.940014] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff]
[    0.964016] pci 0000:00:07.0: reg 0x20: [mem 0xfc800000-0xfcffffff 64bit pref]
[    0.974562] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000
[    0.984014] pci 0000:00:08.0: reg 0x10: [io  0xc140-0xc17f]
[    0.996014] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff]
[    1.020016] pci 0000:00:08.0: reg 0x20: [mem 0xfd000000-0xfd7fffff 64bit pref]
[    1.033543] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000
[    1.040014] pci 0000:00:09.0: reg 0x10: [io  0xc180-0xc1bf]
[    1.048013] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff]
[    1.072015] pci 0000:00:09.0: reg 0x20: [mem 0xfd800000-0xfdffffff 64bit pref]
[    1.082569] pci 0000:00:0a.0: [1af4:1001] type 00 class 0x010000
[    1.092014] pci 0000:00:0a.0: reg 0x10: [io  0xc1c0-0xc1ff]
[    1.100013] pci 0000:00:0a.0: reg 0x14: [mem 0xfebf7000-0xfebf7fff]
[    1.124016] pci 0000:00:0a.0: reg 0x20: [mem 0xfe000000-0xfe7fffff 64bit pref]
[    1.133499] pci 0000:00:0b.0: [8086:25ab] type 00 class 0x088000
[    1.138234] pci 0000:00:0b.0: reg 0x10: [mem 0xfebf8000-0xfebf800f]
[    1.163328] pci_bus 0000:00: on NUMA node 0
[    1.166240] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    1.168184] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    1.170242] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    1.172194] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    1.176310] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    1.178184] ACPI: Enabled 3 GPEs in block 00 to 0F
[    1.182023] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[    1.183477] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    1.184027] pci 0000:00:02.0: vgaarb: bridge control possible
[    1.185390] vgaarb: loaded
[    1.188486] SCSI subsystem initialized
[    1.189606] libata version 3.00 loaded.
[    1.190713] ACPI: bus type USB registered
[    1.191895] usbcore: registered new interface driver usbfs
[    1.192078] usbcore: registered new interface driver hub
[    1.193464] usbcore: registered new device driver usb
[    1.195535] wmi: Mapper loaded
[    1.196165] PCI: Using ACPI for IRQ routing
[    1.197290] PCI: pci_cache_line_size set to 64 bytes
[    1.198928] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    1.200030] e820: reserve RAM buffer [mem 0x1ffd2000-0x1fffffff]
[    1.204238] clocksource: Switched to clocksource kvm-clock
[    1.213785] Warning: could not register annotated branches stats
[    1.433570] pnp: PnP ACPI init
[    1.434795] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[    1.436521] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[    1.451251] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[    1.452832] pnp 00:03: [dma 2]
[    1.453827] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[    1.455633] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[    1.457420] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.459230] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.462035] pnp: PnP ACPI: found 7 devices
[    1.507642] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    1.513128] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    1.515637] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    1.518118] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    1.521688] pci_bus 0000:00: resource 7 [mem 0x20000000-0xfebfffff window]
[    1.525616] NET: Registered protocol family 1
[    1.528805] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    1.531214] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[    1.533628] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[    1.538136] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    1.540339] PCI: CLS 0 bytes, default 64
[    1.542176] Trying to unpack rootfs image as initramfs...
[    1.852196] Freeing initrd memory: 3112K
[    1.869717] cryptomgr_test (21) used greatest stack depth: 15040 bytes left
[    1.889602] AVX2 or AES-NI instructions are not detected.
[    1.893027] AVX2 instructions are not detected.
[    1.895415] spin_lock-torture:--- Start of test [debug]: nwriters_stress=2 nreaders_stress=0 stat_interval=60 verbose=1 shuffle_interval=3 stutter=5 shutdown_secs=0 onoff_interval=0 onoff_holdoff=0
[    1.903419] spin_lock-torture: Creating torture_shuffle task
[    1.905964] spin_lock-torture: Creating torture_stutter task
[    1.909334] spin_lock-torture: torture_shuffle task started
[    1.912796] spin_lock-torture: Creating lock_torture_writer task
[    1.915298] spin_lock-torture: torture_stutter task started
[    1.917665] spin_lock-torture: Creating lock_torture_writer task
[    1.918772] spin_lock-torture: lock_torture_writer task started
[    1.922211] spin_lock-torture: Creating lock_torture_stats task
[    1.922290] spin_lock-torture: lock_torture_writer task started
[    1.922427] spin_lock-torture: lock_torture_stats task started
[    2.880111] tsc: Refined TSC clocksource calibration: 2693.506 MHz
[    2.881594] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x26d347b2dd9, max_idle_ns: 440795223616 ns
[   18.843654] 
[   18.844009] =================================
[   18.844009] [ BUG: bad contention detected! ]
[   18.844009] 4.10.0-11076-g2b232e0 #2 Not tainted
[   18.844009] ---------------------------------
[   18.844009] kworker/u2:0/5 is trying to contend lock (ww_class_mutex) at:
[   18.844009] [<ffffffff85ddf803>] __ww_mutex_lock+0x2bf/0x1837
[   18.844009] but there are no locks held!
[   18.844009] 
[   18.844009] other info that might help us debug this:
[   18.844009] 4 locks held by kworker/u2:0/5:
[   18.844009]  #0:  ("test-ww_mutex"){......}, at: [<ffffffff84af9360>] process_one_work+0x3e2/0x915
[   18.844009]  #1:  ((&stress->work)){......}, at: [<ffffffff84af9360>] process_one_work+0x3e2/0x915
[   18.844009]  #2:  (ww_class_acquire){......}, at: [<ffffffff84af948a>] process_one_work+0x50c/0x915
[   18.844009]  #3:  (ww_class_mutex){......}, at: [<ffffffff84b37366>] stress_reorder_work+0x1ca/0x56a
[   18.844009] 
[   18.844009] stack backtrace:
[   18.844009] CPU: 0 PID: 5 Comm: kworker/u2:0 Not tainted 4.10.0-11076-g2b232e0 #2
[   18.844009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   18.844009] Workqueue: test-ww_mutex stress_reorder_work
[   18.844009] Call Trace:
[   18.844009]  dump_stack+0x2e/0x3e
[   18.844009]  print_lock_contention_bug+0x148/0x158
[   18.844009]  lock_acquired+0x183/0x3de
[   18.844009]  __ww_mutex_lock+0x2bf/0x1837
[   18.844009]  ? stress_reorder_work+0x1ca/0x56a
[   18.844009]  ww_mutex_lock+0x67/0x94
[   18.844009]  ? ww_mutex_lock+0x67/0x94
[   18.844009]  stress_reorder_work+0x1ca/0x56a
[   18.844009]  process_one_work+0x50c/0x915
[   18.844009]  worker_thread+0x7b7/0xa52
[   18.844009]  ? rescuer_thread+0x576/0x576
[   18.844009]  kthread+0x182/0x191
[   18.844009]  ? __kthread_create_on_node+0x288/0x288
[   18.844009]  ret_from_fork+0x31/0x40
[   62.432098] Writes:  Total: 2  Max/Min: 0/0   Fail: 0 
[   68.532624] torture_init_begin: Refusing rcu init: spin_lock running.
[   68.534146] torture_init_begin: One torture test at a time!
[   70.353077] Initialise system trusted keyrings
[   70.360190] workingset: timestamp_bits=62 max_order=17 bucket_order=0
[   70.361739] zbud: loaded
[   70.363313] ntfs: driver 2.1.32 [Flags: R/O].
[   70.364723] fuse init (API version 7.26)
[   70.366003] JFS: nTxBlock = 3318, nTxLock = 26548
[   70.369630] SGI XFS with ACLs, security attributes, realtime, debug enabled
[   70.372499] NILFS version 2 loaded
[   70.374174] gfs2: GFS2 installed
[   70.386554] async_tx: api initialized (async)
[   70.387775] Key type asymmetric registered
[   70.388880] Asymmetric key parser 'x509' registered
[   70.390192] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[   70.392148] io scheduler noop registered
[   70.393242] io scheduler deadline registered
[   70.394391] io scheduler cfq registered (default)
[   70.395574] io scheduler mq-deadline registered
[   70.396786] test_string_helpers: Running tests...
[   70.399074] test_firmware: interface ready
[   70.413462] test_hash: __hash_32() has no arch implementation to test.
[   70.415030] test_hash: hash_32() has no arch implementation to test.
[   70.416644] test_hash: hash_64() has no arch implementation to test.
[   70.418139] test_hash: 33152 tests passed.
[   70.419228] test_siphash: self-tests: pass
[   70.420441] Running rhashtable test nelem=8, max_size=0, shrinking=0
[   70.421938] Test 00:
[   70.427187]   Adding 50000 keys
[   70.495627]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.527313]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.529534]   Deleting 50000 keys
[   70.563319]   Duration of test: 135123397 ns
[   70.564558] Test 01:
[   70.567370]   Adding 50000 keys
[   70.637233]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.667178]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.672038]   Deleting 50000 keys
[   70.703701]   Duration of test: 135253101 ns
[   70.704929] Test 02:
[   70.707698]   Adding 50000 keys
[   70.775645]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.808673]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.810817]   Deleting 50000 keys
[   70.842396]   Duration of test: 133738927 ns
[   70.843639] Test 03:
[   70.846321]   Adding 50000 keys
[   70.916738]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.950623]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.952806]   Deleting 50000 keys
[   70.984417]   Duration of test: 137126748 ns
[   70.985598] Average test time: 135310543
[   70.986675] Testing concurrent rhashtable access from 10 threads
[   73.479862] rhashtable_thra (163) used greatest stack depth: 14848 bytes left
[   73.490336] Started 10 threads, 0 failed
[   73.491423] rhashtable_thra (170) used greatest stack depth: 14712 bytes left
[   73.495221] test_printf: all 260 tests passed
[   73.596884] test_bitmap: all 460506 tests passed
[   73.602928] test_uuid: all 18 tests passed
[   73.605659] crc32: CRC_LE_BITS = 8, CRC_BE BITS = 8
[   73.606941] crc32: self tests passed, processed 225944 bytes in 711189 nsec
[   73.609222] crc32c: CRC_LE_BITS = 8
[   73.610222] crc32c: self tests passed, processed 225944 bytes in 335229 nsec
[   73.659455] crc32_combine: 8373 self tests passed
[   73.706837] crc32c_combine: 8373 self tests passed
[   73.726793] xz_dec_test: module loaded
[   73.727843] xz_dec_test: Create a device node with 'mknod xz_dec_test c 249 0' and write .xz files to it.
[   73.730083] glob: 64 self-tests passed, 0 failed
[   73.732197] cr_bllcd: INTEL CARILLO RANCH LPC not found.
[   73.733497] cr_bllcd: Carillo Ranch Backlight Driver Initialized.
[   73.735442] nvidiafb_setup START
[   73.736866] vmlfb: initializing
[   73.737832] Could not find Carillo Ranch MCH device.
[   73.739333] hgafb: HGA card not detected.
[   73.740512] hgafb: probe of hgafb.0 failed with error -22
[   73.742147] usbcore: registered new interface driver udlfb
[   73.743625] usbcore: registered new interface driver smscufx
[   73.745126] ipmi message handler version 39.2
[   73.746253] ipmi device interface
[   73.747293] IPMI System Interface driver.
[   73.752134] ipmi_si: Unable to find any System Interface(s)
[   73.753467] IPMI SSIF Interface driver
[   73.754478] Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot.
[   74.056038] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
[   74.962234] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
[   75.837462] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
[   76.734472] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[   79.718636] r3964: Philips r3964 Driver $Revision: 1.10 $
[   79.720687] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[   79.748543] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[   79.752408] console [ttyS0] disabled
[    0.000000] Linux version 4.10.0-11076-g2b232e0 (kbuild@lkp-hsx03) (gcc version 6.2.0 20160901 (Debian 6.2.0-3) ) #2 Fri Mar 10 07:41:32 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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 0x0000000000100000-0x000000001ffd1fff] usable
[    0.000000] BIOS-e820: [mem 0x000000001ffd2000-0x000000001fffffff] 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] SMBIOS 2.8 present.
[    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-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 = 0x1ffd2 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  WC  UC- WT  
[    0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[    0.000000] BRK [0x12eb1000, 0x12eb1fff] PGTABLE
[    0.000000] BRK [0x12eb2000, 0x12eb2fff] PGTABLE
[    0.000000] BRK [0x12eb3000, 0x12eb3fff] PGTABLE
[    0.000000] BRK [0x12eb4000, 0x12eb4fff] PGTABLE
[    0.000000] RAMDISK: [mem 0x1fcc6000-0x1ffcffff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000F6980 000014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 0x000000001FFE18DC 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 0x000000001FFE17B8 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.000000] ACPI: DSDT 0x000000001FFE0040 001778 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACS 0x000000001FFE0000 000040
[    0.000000] ACPI: APIC 0x000000001FFE182C 000078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.000000] ACPI: HPET 0x000000001FFE18A4 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5fc000 (        fee00000)
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: cpu 0, msr 0:1ffd1001, primary cpu clock
[    0.000000] kvm-clock: using sched offset of 2727452440 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 0x0000000001000000-0x000000001ffd1fff]
[    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 0x0000000000100000-0x000000001ffd1fff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffd1fff]
[    0.000000] On node 0 totalpages: 130928
[    0.000000]   DMA zone: 56 pages used for memmap
[    0.000000]   DMA zone: 21 pages reserved
[    0.000000]   DMA zone: 3998 pages, LIFO batch:0
[    0.000000]   DMA32 zone: 1736 pages used for memmap
[    0.000000]   DMA32 zone: 126930 pages, LIFO batch:31
[    0.000000] ACPI: PM-Timer IO Port: 0x608
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    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] mapped IOAPIC to ffffffffff5fb000 (fec00000)
[    0.000000] KVM setup async PF for cpu 0
[    0.000000] kvm-stealtime: cpu 0, msr f6755c0
[    0.000000] e820: [mem 0x20000000-0xfeffbfff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on KVM
[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30582079743023 ns
[    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: 129115
[    0.000000] Kernel 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 earlyprintk=ttyS0,115200 console=ttyS0,115200 console=tty0 vga=normal rw link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60 branch=linux-devel/devel-spot-201703082207 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0 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] Calgary: detecting Calgary via BIOS EBDA area
[    0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing!
[    0.000000] Memory: 421660K/523712K available (20394K kernel code, 11243K rwdata, 10384K rodata, 1936K init, 44864K bss, 102052K reserved, 0K cma-reserved)
[    0.004000] 
[    0.004000] **********************************************************
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **                                                      **
[    0.004000] ** trace_printk() being used. Allocating extra memory.  **
[    0.004000] **                                                      **
[    0.004000] ** This means that this is a DEBUG kernel and it is     **
[    0.004000] ** unsafe for production use.                           **
[    0.004000] **                                                      **
[    0.004000] ** If you see this message and you are not debugging    **
[    0.004000] ** the kernel, report this immediately to your vendor!  **
[    0.004000] **                                                      **
[    0.004000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.004000] **********************************************************
[    0.004000] NR_IRQS:4352 nr_irqs:256 16
[    0.004000] Console: colour VGA+ 80x25
[    0.004000] console [tty0] enabled
[    0.004000] bootconsole [earlyser0] disabled
[    0.004000] console [ttyS0] enabled
[    0.004000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.004000] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.004000] ... MAX_LOCK_DEPTH:          48
[    0.004000] ... MAX_LOCKDEP_KEYS:        8191
[    0.004000] ... CLASSHASH_SIZE:          4096
[    0.004000] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.004000] ... MAX_LOCKDEP_CHAINS:      65536
[    0.004000] ... CHAINHASH_SIZE:          32768
[    0.004000]  memory used by lock dependency info: 8639 kB
[    0.004000]  per task-struct memory footprint: 2688 bytes
[    0.004000] ODEBUG: selftest passed
[    0.004000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    0.004000] hpet clockevent registered
[    0.004019] tsc: Detected 2693.506 MHz processor
[    0.005227] Calibrating delay loop (skipped) preset value.. 5387.01 BogoMIPS (lpj=10774024)
[    0.008012] pid_max: default: 32768 minimum: 301
[    0.009246] ACPI: Core revision 20170119
[    0.020282] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    0.021972] Security Framework initialized
[    0.023058] Yama: becoming mindful.
[    0.024123] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.025694] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.028412] mce: CPU supports 10 MCE banks
[    0.029651] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    0.030954] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    0.032011] CPU: Intel Core Processor (Haswell) (family: 0x6, model: 0x3c, stepping: 0x1)
[    0.036774] Performance Events: unsupported p6 CPU model 60 no PMU driver, software events only.
[    0.041713] enabled ExtINT on CPU#0
[    0.043730] ENABLING IO-APIC IRQs
[    0.044043] init IO_APIC IRQs
[    0.045009]  apic 0 pin 0 not connected
[    0.046066] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[    0.048037] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[    0.050059] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[    0.052000] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[    0.052000]  apic 0 pin 16 not connected
[    0.052000]  apic 0 pin 17 not connected
[    0.052000]  apic 0 pin 18 not connected
[    0.052000]  apic 0 pin 19 not connected
[    0.052000]  apic 0 pin 20 not connected
[    0.052000]  apic 0 pin 21 not connected
[    0.052000]  apic 0 pin 22 not connected
[    0.052000]  apic 0 pin 23 not connected
[    0.052000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.052000] TSC deadline timer enabled
[    0.052000] devtmpfs: initialized
[    0.052000] x86/mm: Memory block size: 128MB
[    0.063199] pgdatinit0 (8) used greatest stack depth: 15072 bytes left
[    0.064334] gcov: version magic: 0x3630322a
[    0.071476] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[    0.072028] futex hash table entries: 256 (order: 2, 24576 bytes)
[    0.073739] xor: automatically using best checksumming function   avx       
[    0.076135] regulator-dummy: Failed to create debugfs directory
[    0.078780] NET: Registered protocol family 16
[    0.083738] ACPI: bus type PCI registered
[    0.084352] PCI: Using configuration type 1 for base access
[    0.130912] HugeTLB registered 2 MB page size, pre-allocated 0 pages
[    0.200093] raid6: sse2x1   gen()  1726 MB/s
[    0.268054] raid6: sse2x1   xor()  1244 MB/s
[    0.336034] raid6: sse2x2   gen()  2306 MB/s
[    0.404030] raid6: sse2x2   xor()  1453 MB/s
[    0.472013] raid6: sse2x4   gen()  2382 MB/s
[    0.540015] raid6: sse2x4   xor()  1503 MB/s
[    0.541134] raid6: using algorithm sse2x4 gen() 2382 MB/s
[    0.542462] raid6: .... xor() 1503 MB/s, rmw enabled
[    0.543749] raid6: using ssse3x2 recovery algorithm
[    0.544394] ACPI: Added _OSI(Module Device)
[    0.545497] ACPI: Added _OSI(Processor Device)
[    0.546632] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.547803] ACPI: Added _OSI(Processor Aggregator Device)
[    0.557788] ACPI: Interpreter enabled
[    0.558819] ACPI: (supports S0 S5)
[    0.559774] ACPI: Using IOAPIC for interrupt routing
[    0.560086] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    0.586471] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    0.588000] acpi PNP0A03:00: _OSC: OS supports [Segments MSI]
[    0.589437] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    0.591258] PCI host bridge to bus 0000:00
[    0.592015] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    0.593555] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    0.595136] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    0.596014] pci_bus 0000:00: root bus resource [mem 0x20000000-0xfebfffff window]
[    0.597985] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.599394] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[    0.601333] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[    0.604205] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[    0.627325] pci 0000:00:01.1: reg 0x20: [io  0xc200-0xc20f]
[    0.636053] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
[    0.637667] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
[    0.639277] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
[    0.640013] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
[    0.642510] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[    0.644559] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI
[    0.646443] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB
[    0.648944] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[    0.656021] pci 0000:00:02.0: reg 0x10: [mem 0xfa000000-0xfaffffff pref]
[    0.672027] pci 0000:00:02.0: reg 0x18: [mem 0xfebf0000-0xfebf0fff]
[    0.704028] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[    0.706690] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[    0.721774] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[    0.732014] pci 0000:00:03.0: reg 0x14: [io  0xc000-0xc03f]
[    0.772018] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[    0.777486] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000
[    0.784013] pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
[    0.792014] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff]
[    0.816016] pci 0000:00:04.0: reg 0x20: [mem 0xfb000000-0xfb7fffff 64bit pref]
[    0.825715] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000
[    0.832013] pci 0000:00:05.0: reg 0x10: [io  0xc080-0xc0bf]
[    0.840012] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff]
[    0.864015] pci 0000:00:05.0: reg 0x20: [mem 0xfb800000-0xfbffffff 64bit pref]
[    0.873568] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000
[    0.880013] pci 0000:00:06.0: reg 0x10: [io  0xc0c0-0xc0ff]
[    0.888014] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff]
[    0.912016] pci 0000:00:06.0: reg 0x20: [mem 0xfc000000-0xfc7fffff 64bit pref]
[    0.925569] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000
[    0.932014] pci 0000:00:07.0: reg 0x10: [io  0xc100-0xc13f]
[    0.940014] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff]
[    0.964016] pci 0000:00:07.0: reg 0x20: [mem 0xfc800000-0xfcffffff 64bit pref]
[    0.974562] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000
[    0.984014] pci 0000:00:08.0: reg 0x10: [io  0xc140-0xc17f]
[    0.996014] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff]
[    1.020016] pci 0000:00:08.0: reg 0x20: [mem 0xfd000000-0xfd7fffff 64bit pref]
[    1.033543] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000
[    1.040014] pci 0000:00:09.0: reg 0x10: [io  0xc180-0xc1bf]
[    1.048013] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff]
[    1.072015] pci 0000:00:09.0: reg 0x20: [mem 0xfd800000-0xfdffffff 64bit pref]
[    1.082569] pci 0000:00:0a.0: [1af4:1001] type 00 class 0x010000
[    1.092014] pci 0000:00:0a.0: reg 0x10: [io  0xc1c0-0xc1ff]
[    1.100013] pci 0000:00:0a.0: reg 0x14: [mem 0xfebf7000-0xfebf7fff]
[    1.124016] pci 0000:00:0a.0: reg 0x20: [mem 0xfe000000-0xfe7fffff 64bit pref]
[    1.133499] pci 0000:00:0b.0: [8086:25ab] type 00 class 0x088000
[    1.138234] pci 0000:00:0b.0: reg 0x10: [mem 0xfebf8000-0xfebf800f]
[    1.163328] pci_bus 0000:00: on NUMA node 0
[    1.166240] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    1.168184] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    1.170242] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    1.172194] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    1.176310] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    1.178184] ACPI: Enabled 3 GPEs in block 00 to 0F
[    1.182023] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[    1.183477] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    1.184027] pci 0000:00:02.0: vgaarb: bridge control possible
[    1.185390] vgaarb: loaded
[    1.188486] SCSI subsystem initialized
[    1.189606] libata version 3.00 loaded.
[    1.190713] ACPI: bus type USB registered
[    1.191895] usbcore: registered new interface driver usbfs
[    1.192078] usbcore: registered new interface driver hub
[    1.193464] usbcore: registered new device driver usb
[    1.195535] wmi: Mapper loaded
[    1.196165] PCI: Using ACPI for IRQ routing
[    1.197290] PCI: pci_cache_line_size set to 64 bytes
[    1.198928] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    1.200030] e820: reserve RAM buffer [mem 0x1ffd2000-0x1fffffff]
[    1.204238] clocksource: Switched to clocksource kvm-clock
[    1.213785] Warning: could not register annotated branches stats
[    1.433570] pnp: PnP ACPI init
[    1.434795] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[    1.436521] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[    1.451251] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[    1.452832] pnp 00:03: [dma 2]
[    1.453827] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[    1.455633] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[    1.457420] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.459230] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
[    1.462035] pnp: PnP ACPI: found 7 devices
[    1.507642] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    1.513128] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    1.515637] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    1.518118] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    1.521688] pci_bus 0000:00: resource 7 [mem 0x20000000-0xfebfffff window]
[    1.525616] NET: Registered protocol family 1
[    1.528805] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    1.531214] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[    1.533628] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[    1.538136] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    1.540339] PCI: CLS 0 bytes, default 64
[    1.542176] Trying to unpack rootfs image as initramfs...
[    1.852196] Freeing initrd memory: 3112K
[    1.869717] cryptomgr_test (21) used greatest stack depth: 15040 bytes left
[    1.889602] AVX2 or AES-NI instructions are not detected.
[    1.893027] AVX2 instructions are not detected.
[    1.895415] spin_lock-torture:--- Start of test [debug]: nwriters_stress=2 nreaders_stress=0 stat_interval=60 verbose=1 shuffle_interval=3 stutter=5 shutdown_secs=0 onoff_interval=0 onoff_holdoff=0
[    1.903419] spin_lock-torture: Creating torture_shuffle task
[    1.905964] spin_lock-torture: Creating torture_stutter task
[    1.909334] spin_lock-torture: torture_shuffle task started
[    1.912796] spin_lock-torture: Creating lock_torture_writer task
[    1.915298] spin_lock-torture: torture_stutter task started
[    1.917665] spin_lock-torture: Creating lock_torture_writer task
[    1.918772] spin_lock-torture: lock_torture_writer task started
[    1.922211] spin_lock-torture: Creating lock_torture_stats task
[    1.922290] spin_lock-torture: lock_torture_writer task started
[    1.922427] spin_lock-torture: lock_torture_stats task started
[    2.880111] tsc: Refined TSC clocksource calibration: 2693.506 MHz
[    2.881594] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x26d347b2dd9, max_idle_ns: 440795223616 ns
[   18.843654] 
[   18.844009] =================================
[   18.844009] [ BUG: bad contention detected! ]
[   18.844009] 4.10.0-11076-g2b232e0 #2 Not tainted
[   18.844009] ---------------------------------
[   18.844009] kworker/u2:0/5 is trying to contend lock (ww_class_mutex) at:
[   18.844009] [<ffffffff85ddf803>] __ww_mutex_lock+0x2bf/0x1837
[   18.844009] but there are no locks held!
[   18.844009] 
[   18.844009] other info that might help us debug this:
[   18.844009] 4 locks held by kworker/u2:0/5:
[   18.844009]  #0:  ("test-ww_mutex"){......}, at: [<ffffffff84af9360>] process_one_work+0x3e2/0x915
[   18.844009]  #1:  ((&stress->work)){......}, at: [<ffffffff84af9360>] process_one_work+0x3e2/0x915
[   18.844009]  #2:  (ww_class_acquire){......}, at: [<ffffffff84af948a>] process_one_work+0x50c/0x915
[   18.844009]  #3:  (ww_class_mutex){......}, at: [<ffffffff84b37366>] stress_reorder_work+0x1ca/0x56a
[   18.844009] 
[   18.844009] stack backtrace:
[   18.844009] CPU: 0 PID: 5 Comm: kworker/u2:0 Not tainted 4.10.0-11076-g2b232e0 #2
[   18.844009] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[   18.844009] Workqueue: test-ww_mutex stress_reorder_work
[   18.844009] Call Trace:
[   18.844009]  dump_stack+0x2e/0x3e
[   18.844009]  print_lock_contention_bug+0x148/0x158
[   18.844009]  lock_acquired+0x183/0x3de
[   18.844009]  __ww_mutex_lock+0x2bf/0x1837
[   18.844009]  ? stress_reorder_work+0x1ca/0x56a
[   18.844009]  ww_mutex_lock+0x67/0x94
[   18.844009]  ? ww_mutex_lock+0x67/0x94
[   18.844009]  stress_reorder_work+0x1ca/0x56a
[   18.844009]  process_one_work+0x50c/0x915
[   18.844009]  worker_thread+0x7b7/0xa52
[   18.844009]  ? rescuer_thread+0x576/0x576
[   18.844009]  kthread+0x182/0x191
[   18.844009]  ? __kthread_create_on_node+0x288/0x288
[   18.844009]  ret_from_fork+0x31/0x40
[   62.432098] Writes:  Total: 2  Max/Min: 0/0   Fail: 0 
[   68.532624] torture_init_begin: Refusing rcu init: spin_lock running.
[   68.534146] torture_init_begin: One torture test at a time!
[   70.353077] Initialise system trusted keyrings
[   70.360190] workingset: timestamp_bits=62 max_order=17 bucket_order=0
[   70.361739] zbud: loaded
[   70.363313] ntfs: driver 2.1.32 [Flags: R/O].
[   70.364723] fuse init (API version 7.26)
[   70.366003] JFS: nTxBlock = 3318, nTxLock = 26548
[   70.369630] SGI XFS with ACLs, security attributes, realtime, debug enabled
[   70.372499] NILFS version 2 loaded
[   70.374174] gfs2: GFS2 installed
[   70.386554] async_tx: api initialized (async)
[   70.387775] Key type asymmetric registered
[   70.388880] Asymmetric key parser 'x509' registered
[   70.390192] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[   70.392148] io scheduler noop registered
[   70.393242] io scheduler deadline registered
[   70.394391] io scheduler cfq registered (default)
[   70.395574] io scheduler mq-deadline registered
[   70.396786] test_string_helpers: Running tests...
[   70.399074] test_firmware: interface ready
[   70.413462] test_hash: __hash_32() has no arch implementation to test.
[   70.415030] test_hash: hash_32() has no arch implementation to test.
[   70.416644] test_hash: hash_64() has no arch implementation to test.
[   70.418139] test_hash: 33152 tests passed.
[   70.419228] test_siphash: self-tests: pass
[   70.420441] Running rhashtable test nelem=8, max_size=0, shrinking=0
[   70.421938] Test 00:
[   70.427187]   Adding 50000 keys
[   70.495627]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.527313]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.529534]   Deleting 50000 keys
[   70.563319]   Duration of test: 135123397 ns
[   70.564558] Test 01:
[   70.567370]   Adding 50000 keys
[   70.637233]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.667178]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.672038]   Deleting 50000 keys
[   70.703701]   Duration of test: 135253101 ns
[   70.704929] Test 02:
[   70.707698]   Adding 50000 keys
[   70.775645]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.808673]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.810817]   Deleting 50000 keys
[   70.842396]   Duration of test: 133738927 ns
[   70.843639] Test 03:
[   70.846321]   Adding 50000 keys
[   70.916738]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.950623]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[   70.952806]   Deleting 50000 keys
[   70.984417]   Duration of test: 137126748 ns
[   70.985598] Average test time: 135310543
[   70.986675] Testing concurrent rhashtable access from 10 threads
[   73.479862] rhashtable_thra (163) used greatest stack depth: 14848 bytes left
[   73.490336] Started 10 threads, 0 failed
[   73.491423] rhashtable_thra (170) used greatest stack depth: 14712 bytes left
[   73.495221] test_printf: all 260 tests passed
[   73.596884] test_bitmap: all 460506 tests passed
[   73.602928] test_uuid: all 18 tests passed
[   73.605659] crc32: CRC_LE_BITS = 8, CRC_BE BITS = 8
[   73.606941] crc32: self tests passed, processed 225944 bytes in 711189 nsec
[   73.609222] crc32c: CRC_LE_BITS = 8
[   73.610222] crc32c: self tests passed, processed 225944 bytes in 335229 nsec
[   73.659455] crc32_combine: 8373 self tests passed
[   73.706837] crc32c_combine: 8373 self tests passed
[   73.726793] xz_dec_test: module loaded
[   73.727843] xz_dec_test: Create a device node with 'mknod xz_dec_test c 249 0' and write .xz files to it.
[   73.730083] glob: 64 self-tests passed, 0 failed
[   73.732197] cr_bllcd: INTEL CARILLO RANCH LPC not found.
[   73.733497] cr_bllcd: Carillo Ranch Backlight Driver Initialized.
[   73.735442] nvidiafb_setup START
[   73.736866] vmlfb: initializing
[   73.737832] Could not find Carillo Ranch MCH device.
[   73.739333] hgafb: HGA card not detected.
[   73.740512] hgafb: probe of hgafb.0 failed with error -22
[   73.742147] usbcore: registered new interface driver udlfb
[   73.743625] usbcore: registered new interface driver smscufx
[   73.745126] ipmi message handler version 39.2
[   73.746253] ipmi device interface
[   73.747293] IPMI System Interface driver.
[   73.752134] ipmi_si: Unable to find any System Interface(s)
[   73.753467] IPMI SSIF Interface driver
[   73.754478] Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot.
[   74.056038] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
[   74.962234] ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 10
[   75.837462] ACPI: PCI Interrupt Link [LNKB] enabled at IRQ 10
[   76.734472] ACPI: PCI Interrupt Link [LNKC] enabled at IRQ 11
[   79.718636] r3964: Philips r3964 Driver $Revision: 1.10 $
[   79.720687] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[   79.748543] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[   79.752408] console [ttyS0] disabled
[   79.779318] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[   80.254489] console [ttyS0] enabled
[   80.281890] 00:06: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[   80.310255] 00:06: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[   80.314681] Cyclades driver 2.6
[   80.315740] Initializing Nozomi driver 2.1d
[   80.316928] SyncLink GT
[   80.317747] SyncLink GT, tty major#241
[   80.318796] SyncLink GT no devices found
[   80.319845] SyncLink serial driver $Revision: 4.38 $
[   80.335299] SyncLink serial driver $Revision: 4.38 $, tty major#240
[   80.336983] lp: driver loaded but no devices found
[   80.338198] Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $
[   80.339813] ac.o: No PCI boards found.
[   80.340863] ac.o: For an ISA board you must supply memory and irq parameters.
[   80.342571] Non-volatile memory driver v1.3
[   80.343996] ppdev: user-space parallel port driver
[   80.345257] Linux agpgart interface v0.103
[   80.346831] SyncLink PC Card driver $Revision: 4.34 $, tty major#239
[   80.348462] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds).
[   80.351291] drm_mm: Testing DRM range manger (struct drm_mm), with random_seed=0x5cf1a0b3 max_iterations=8192 max_prime=128
[   80.353907] drm_mm: igt_sanitycheck - ok!
[  124.000766] Writes:  Total: 2  Max/Min: 0/0   Fail: 0 
[  147.364359] [drm] radeon kernel modesetting enabled.
[  147.369199] [drm] amdgpu kernel modesetting enabled.
[  147.371296] [drm] Found bochs VGA, ID 0xb0c0.
[  147.372376] [drm] Framebuffer size 16384 kB @ 0xfa000000, mmio @ 0xfebf0000.
[  147.374113] [TTM] Zone  kernel: Available graphics memory: 212386 kiB
[  147.375563] [TTM] Initializing pool allocator
[  147.376705] [TTM] Initializing DMA pool allocator
[  147.378135] [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0
[  147.380209] BUG: unable to handle kernel NULL pointer dereference at 0000000000000650
[  147.382112] IP: __mutex_lock+0x92/0xafc
[  147.383190] PGD 0 
[  147.383192] 
[  147.384069] Oops: 0000 [#1]
[  147.384069] CPU: 0 PID: 1 Comm: swapper Not tainted 4.10.0-11076-g2b232e0 #2
[  147.384069] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014
[  147.384069] task: ffff88001ea34040 task.stack: ffffc90000008000
[  147.384069] RIP: 0010:__mutex_lock+0x92/0xafc
[  147.384069] RSP: 0000:ffffc9000000bb30 EFLAGS: 00010286
[  147.384069] RAX: ffffffff85415e75 RBX: 0000000000000000 RCX: 0000000000000000
[  147.384069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000206
[  147.384069] RBP: ffffc9000000bbe0 R08: 0000000000000000 R09: 0000000000000000
[  147.384069] R10: ffffc9000000bc00 R11: 0000000000000000 R12: 0000000000000650
[  147.384069] R13: ffff88001be25f78 R14: ffffffff8744f578 R15: 0000000000000650
[  147.384069] FS:  0000000000000000(0000) GS:ffffffff86a5b000(0000) knlGS:0000000000000000
[  147.384069] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  147.384069] CR2: 0000000000000650 CR3: 000000000f617000 CR4: 00000000000406f0
[  147.384069] Call Trace:
[  147.384069]  ? drm_mode_object_unregister+0x27/0x70
[  147.384069]  mutex_lock_nested+0x24/0x2d
[  147.384069]  ? mutex_lock_nested+0x24/0x2d
[  147.384069]  drm_mode_object_unregister+0x27/0x70
[  147.384069]  drm_framebuffer_unregister_private+0x23/0x2c
[  147.384069]  bochs_fbdev_fini+0x84/0xad
[  147.384069]  bochs_unload+0x1d/0x6e
[  147.384069]  drm_dev_unregister+0x58/0x111
[  147.384069]  drm_put_dev+0x60/0x79
[  147.384069]  bochs_pci_remove+0x17/0x20
[  147.384069]  pci_device_remove+0x64/0x146
[  147.384069]  driver_probe_device+0x3d9/0x7fe
[  147.384069]  __driver_attach+0x185/0x1c7
[  147.384069]  ? driver_probe_device+0x7fe/0x7fe
[  147.384069]  bus_for_each_dev+0xb9/0xcf
[  147.384069]  driver_attach+0x20/0x29
[  147.384069]  bus_add_driver+0x200/0x38a
[  147.384069]  driver_register+0x113/0x174
[  147.384069]  __pci_register_driver+0x66/0x70
[  147.384069]  drm_pci_init+0x55/0x116
[  147.384069]  ? qxl_init+0xe7/0xe7
[  147.384069]  bochs_init+0xbc/0xdb
[  147.384069]  do_one_initcall+0x120/0x336
[  147.384069]  ? parse_args+0x397/0x56e
[  147.384069]  kernel_init_freeable+0x24a/0x3d0
[  147.384069]  ? rest_init+0x115/0x115
[  147.384069]  kernel_init+0x10/0x18d
[  147.384069]  ret_from_fork+0x31/0x40
[  147.384069] Code: 49 8d 47 68 4c 8b 4d 98 89 de ff 75 90 41 b8 01 00 00 00 31 c9 48 89 c7 31 d2 48 89 45 80 48 ff 05 44 a0 98 01 e8 70 18 d5 fe 58 <49> 8b 1f 4c 8b 34 25 40 f0 a5 86 49 89 dc 49 89 dd 41 83 e4 07 
[  147.384069] RIP: __mutex_lock+0x92/0xafc RSP: ffffc9000000bb30
[  147.384069] CR2: 0000000000000650
[  147.384069] ---[ end trace 6847afe56aacf5b5 ]---
[  147.384069] Kernel panic - not syncing: Fatal exception
[  147.384069] Kernel Offset: 0x3a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)

Elapsed time: 150

kvm=(
	qemu-system-x86_64
	-enable-kvm
	-cpu Haswell,+smep,+smap
	-kernel /pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0
	-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=/fs/sda1/disk0-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk1-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk2-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk3-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk4-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk5-yocto-kbuild-60,media=disk,if=virtio
	-drive file=/fs/sda1/disk6-yocto-kbuild-60,media=disk,if=virtio
	-pidfile /dev/shm/kboot/pid-yocto-kbuild-60
	-serial file:/dev/shm/kboot/yocto-kbuild-60/serial
	-serial file:/dev/shm/kboot/yocto-kbuild-60/kmsg
	-daemonize
	-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
	earlyprintk=ttyS0,115200
	console=ttyS0,115200
	console=tty0
	vga=normal
	rw
	link=/kbuild-tests/run-queue/yocto-kbuild/x86_64-randconfig-s4-03082246/linux-devel:devel-spot-201703082207:2b232e0c3b3a09f3e33750aa20e314f1b80e5361:bisect-linux-38/.vmlinuz-2b232e0c3b3a09f3e33750aa20e314f1b80e5361-20170310074302-9:yocto-kbuild-60
	branch=linux-devel/devel-spot-201703082207
	BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-03082246/gcc-6/2b232e0c3b3a09f3e33750aa20e314f1b80e5361/vmlinuz-4.10.0-11076-g2b232e0
	drbd.minor_count=8
)

"${kvm[@]}" -append "${append[*]}"
