QEMU 2.0.0 monitor - type 'help' for more information (qemu) searly console in setup code Initializing cgroup subsys cpu Linux version 4.3.0-rc5-mm1-diet-meta+ (barrios@bbox) (gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04) ) #1545 SMP Tue Oct 20 08:55:45 KST 2015 Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic console=ttyS0,115200 console=tty0 earlyprintk=ttyS0 ignore_loglevel ftrace_dump_on_oops vga=normal root=/dev/vda1 rw KERNEL supported cpus: Intel GenuineIntel x86/fpu: Legacy x87 FPU detected. x86/fpu: Using 'lazy' FPU context switches. e820: BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x00000000bfffbfff] usable BIOS-e820: [mem 0x00000000bfffc000-0x00000000bfffffff] reserved BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved bootconsole [earlyser0] enabled debug: ignoring loglevel setting. NX (Execute Disable) protection: active SMBIOS 2.4 present. DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 e820: update [mem 0x00000000-0x00000fff] usable ==> reserved e820: remove [mem 0x000a0000-0x000fffff] usable e820: last_pfn = 0xbfffc max_arch_pfn = 0x400000000 MTRR default type: write-back MTRR fixed ranges enabled: 00000-9FFFF write-back A0000-BFFFF uncachable C0000-FFFFF write-protect MTRR variable ranges enabled: 0 base 00C0000000 mask FFC0000000 uncachable 1 disabled 2 disabled 3 disabled 4 disabled 5 disabled 6 disabled 7 disabled x86/PAT: PAT not supported by CPU. Scan for SMP in [mem 0x00000000-0x000003ff] Scan for SMP in [mem 0x0009fc00-0x0009ffff] Scan for SMP in [mem 0x000f0000-0x000fffff] found SMP MP-table at [mem 0x000f0a70-0x000f0a7f] mapped at [ffff8800000f0a70] mpc: f0a80-f0c44 Scanning 1 areas for low memory corruption Base memory trampoline at [ffff880000099000] 99000 size 24576 init_memory_mapping: [mem 0x00000000-0x000fffff] [mem 0x00000000-0x000fffff] page 4k BRK [0x0220e000, 0x0220efff] PGTABLE BRK [0x0220f000, 0x0220ffff] PGTABLE BRK [0x02210000, 0x02210fff] PGTABLE init_memory_mapping: [mem 0xbfc00000-0xbfdfffff] [mem 0xbfc00000-0xbfdfffff] page 2M BRK [0x02211000, 0x02211fff] PGTABLE init_memory_mapping: [mem 0xa0000000-0xbfbfffff] [mem 0xa0000000-0xbfbfffff] page 2M init_memory_mapping: [mem 0x80000000-0x9fffffff] [mem 0x80000000-0x9fffffff] page 2M init_memory_mapping: [mem 0x00100000-0x7fffffff] [mem 0x00100000-0x001fffff] page 4k [mem 0x00200000-0x7fffffff] page 2M init_memory_mapping: [mem 0xbfe00000-0xbfffbfff] [mem 0xbfe00000-0xbfffbfff] page 4k BRK [0x02212000, 0x02212fff] PGTABLE RAMDISK: [mem 0x7851a000-0x7fffffff] [ffffea0000000000-ffffea0002ffffff] PMD -> [ffff8800bc400000-ffff8800bf3fffff] on node 0 Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x00000000bfffbfff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x00000000bfffbfff] Initmem setup node 0 [mem 0x0000000000001000-0x00000000bfffbfff] On node 0 totalpages: 786330 DMA zone: 64 pages used for memmap DMA zone: 21 pages reserved DMA zone: 3998 pages, LIFO batch:0 DMA32 zone: 12224 pages used for memmap DMA32 zone: 782332 pages, LIFO batch:31 Intel MultiProcessor Specification v1.4 mpc: f0a80-f0c44 MPTABLE: OEM ID: BOCHSCPU MPTABLE: Product ID: 0.1 MPTABLE: APIC at: 0xFEE00000 mapped APIC to ffffffffff5fd000 ( fee00000) Processor #0 (Bootup-CPU) Processor #1 Processor #2 Processor #3 Processor #4 Processor #5 Processor #6 Processor #7 Processor #8 Processor #9 Processor #10 Processor #11 Bus #0 is PCI Bus #1 is ISA IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 Int: type 0, pol 1, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 09 Int: type 0, pol 1, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0b Int: type 0, pol 1, trig 0, bus 00, IRQ 10, APIC ID 0, APIC INT 0b Int: type 0, pol 1, trig 0, bus 00, IRQ 14, APIC ID 0, APIC INT 0a Int: type 0, pol 1, trig 0, bus 00, IRQ 18, APIC ID 0, APIC INT 0a Int: type 0, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC INT 02 Int: type 0, pol 0, trig 0, bus 01, IRQ 01, APIC ID 0, APIC INT 01 Int: type 0, pol 0, trig 0, bus 01, IRQ 03, APIC ID 0, APIC INT 03 Int: type 0, pol 0, trig 0, bus 01, IRQ 04, APIC ID 0, APIC INT 04 Int: type 0, pol 0, trig 0, bus 01, IRQ 06, APIC ID 0, APIC INT 06 Int: type 0, pol 0, trig 0, bus 01, IRQ 07, APIC ID 0, APIC INT 07 Int: type 0, pol 0, trig 0, bus 01, IRQ 08, APIC ID 0, APIC INT 08 Int: type 0, pol 0, trig 0, bus 01, IRQ 0c, APIC ID 0, APIC INT 0c Int: type 0, pol 0, trig 0, bus 01, IRQ 0d, APIC ID 0, APIC INT 0d Int: type 0, pol 0, trig 0, bus 01, IRQ 0e, APIC ID 0, APIC INT 0e Int: type 0, pol 0, trig 0, bus 01, IRQ 0f, APIC ID 0, APIC INT 0f Lint: type 3, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC LINT 00 Lint: type 1, pol 0, trig 0, bus 01, IRQ 00, APIC ID ff, APIC LINT 01 Processors: 12 smpboot: Allowing 12 CPUs, 0 hotplug CPUs mapped IOAPIC to ffffffffff5fc000 (fec00000) e820: [mem 0xc0000000-0xfeffbfff] available for PCI devices clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:12 nr_node_ids:1 PERCPU: Embedded 31 pages/cpu @ffff8800bfa00000 s87640 r8192 d31144 u131072 pcpu-alloc: s87640 r8192 d31144 u131072 alloc=1*2097152 pcpu-alloc: [0] 00 01 02 03 04 05 06 07 08 09 10 11 -- -- -- -- Built 1 zonelists in Zone order, mobility grouping on. Total pages: 774021 Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic console=ttyS0,115200 console=tty0 earlyprintk=ttyS0 ignore_loglevel ftrace_dump_on_oops vga=normal root=/dev/vda1 rw sysrq: sysrq always enabled. log_buf_len individual max cpu contribution: 2097152 bytes log_buf_len total cpu_extra contributions: 23068672 bytes log_buf_len min size: 8388608 bytes log_buf_len: 33554432 bytes early log buf free: 8380096(99%) PID hash table entries: 4096 (order: 3, 32768 bytes) Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) Memory: 2911172K/3145320K available (4237K kernel code, 721K rwdata, 1988K rodata, 936K init, 8608K bss, 234148K reserved, 0K cma-reserved) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=12, Nodes=1 Hierarchical RCU implementation. Build-time adjustment of leaf fanout to 64. RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=12. RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=12 NR_IRQS:4352 nr_irqs:136 16 Console: colour VGA+ 80x25 console [tty0] enabled bootconsole [earlyser0] disabled Initializing cgroup subsys cpu Linux version 4.3.0-rc5-mm1-diet-meta+ (barrios@bbox) (gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04) ) #1545 SMP Tue Oct 20 08:55:45 KST 2015 Command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic console=ttyS0,115200 console=tty0 earlyprintk=ttyS0 ignore_loglevel ftrace_dump_on_oops vga=normal root=/dev/vda1 rw KERNEL supported cpus: Intel GenuineIntel x86/fpu: Legacy x87 FPU detected. x86/fpu: Using 'lazy' FPU context switches. e820: BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x00000000bfffbfff] usable BIOS-e820: [mem 0x00000000bfffc000-0x00000000bfffffff] reserved BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved bootconsole [earlyser0] enabled debug: ignoring loglevel setting. NX (Execute Disable) protection: active SMBIOS 2.4 present. DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 e820: update [mem 0x00000000-0x00000fff] usable ==> reserved e820: remove [mem 0x000a0000-0x000fffff] usable e820: last_pfn = 0xbfffc max_arch_pfn = 0x400000000 MTRR default type: write-back MTRR fixed ranges enabled: 00000-9FFFF write-back A0000-BFFFF uncachable C0000-FFFFF write-protect MTRR variable ranges enabled: 0 base 00C0000000 mask FFC0000000 uncachable 1 disabled 2 disabled 3 disabled 4 disabled 5 disabled 6 disabled 7 disabled x86/PAT: PAT not supported by CPU. Scan for SMP in [mem 0x00000000-0x000003ff] Scan for SMP in [mem 0x0009fc00-0x0009ffff] Scan for SMP in [mem 0x000f0000-0x000fffff] found SMP MP-table at [mem 0x000f0a70-0x000f0a7f] mapped at [ffff8800000f0a70] mpc: f0a80-f0c44 Scanning 1 areas for low memory corruption Base memory trampoline at [ffff880000099000] 99000 size 24576 init_memory_mapping: [mem 0x00000000-0x000fffff] [mem 0x00000000-0x000fffff] page 4k BRK [0x0220e000, 0x0220efff] PGTABLE BRK [0x0220f000, 0x0220ffff] PGTABLE BRK [0x02210000, 0x02210fff] PGTABLE init_memory_mapping: [mem 0xbfc00000-0xbfdfffff] [mem 0xbfc00000-0xbfdfffff] page 2M BRK [0x02211000, 0x02211fff] PGTABLE init_memory_mapping: [mem 0xa0000000-0xbfbfffff] [mem 0xa0000000-0xbfbfffff] page 2M init_memory_mapping: [mem 0x80000000-0x9fffffff] [mem 0x80000000-0x9fffffff] page 2M init_memory_mapping: [mem 0x00100000-0x7fffffff] [mem 0x00100000-0x001fffff] page 4k [mem 0x00200000-0x7fffffff] page 2M init_memory_mapping: [mem 0xbfe00000-0xbfffbfff] [mem 0xbfe00000-0xbfffbfff] page 4k BRK [0x02212000, 0x02212fff] PGTABLE RAMDISK: [mem 0x7851a000-0x7fffffff] [ffffea0000000000-ffffea0002ffffff] PMD -> [ffff8800bc400000-ffff8800bf3fffff] on node 0 Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x00000000bfffbfff] Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x000000000009efff] node 0: [mem 0x0000000000100000-0x00000000bfffbfff] Initmem setup node 0 [mem 0x0000000000001000-0x00000000bfffbfff] On node 0 totalpages: 786330 DMA zone: 64 pages used for memmap DMA zone: 21 pages reserved DMA zone: 3998 pages, LIFO batch:0 DMA32 zone: 12224 pages used for memmap DMA32 zone: 782332 pages, LIFO batch:31 Intel MultiProcessor Specification v1.4 mpc: f0a80-f0c44 MPTABLE: OEM ID: BOCHSCPU MPTABLE: Product ID: 0.1 MPTABLE: APIC at: 0xFEE00000 mapped APIC to ffffffffff5fd000 ( fee00000) Processor #0 (Bootup-CPU) Processor #1 Processor #2 Processor #3 Processor #4 Processor #5 Processor #6 Processor #7 Processor #8 Processor #9 Processor #10 Processor #11 Bus #0 is PCI Bus #1 is ISA IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 Int: type 0, pol 1, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 09 Int: type 0, pol 1, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0b Int: type 0, pol 1, trig 0, bus 00, IRQ 10, APIC ID 0, APIC INT 0b Int: type 0, pol 1, trig 0, bus 00, IRQ 14, APIC ID 0, APIC INT 0a Int: type 0, pol 1, trig 0, bus 00, IRQ 18, APIC ID 0, APIC INT 0a Int: type 0, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC INT 02 Int: type 0, pol 0, trig 0, bus 01, IRQ 01, APIC ID 0, APIC INT 01 Int: type 0, pol 0, trig 0, bus 01, IRQ 03, APIC ID 0, APIC INT 03 Int: type 0, pol 0, trig 0, bus 01, IRQ 04, APIC ID 0, APIC INT 04 Int: type 0, pol 0, trig 0, bus 01, IRQ 06, APIC ID 0, APIC INT 06 Int: type 0, pol 0, trig 0, bus 01, IRQ 07, APIC ID 0, APIC INT 07 Int: type 0, pol 0, trig 0, bus 01, IRQ 08, APIC ID 0, APIC INT 08 Int: type 0, pol 0, trig 0, bus 01, IRQ 0c, APIC ID 0, APIC INT 0c Int: type 0, pol 0, trig 0, bus 01, IRQ 0d, APIC ID 0, APIC INT 0d Int: type 0, pol 0, trig 0, bus 01, IRQ 0e, APIC ID 0, APIC INT 0e Int: type 0, pol 0, trig 0, bus 01, IRQ 0f, APIC ID 0, APIC INT 0f Lint: type 3, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC LINT 00 Lint: type 1, pol 0, trig 0, bus 01, IRQ 00, APIC ID ff, APIC LINT 01 Processors: 12 smpboot: Allowing 12 CPUs, 0 hotplug CPUs mapped IOAPIC to ffffffffff5fc000 (fec00000) e820: [mem 0xc0000000-0xfeffbfff] available for PCI devices clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns setup_percpu: NR_CPUS:16 nr_cpumask_bits:16 nr_cpu_ids:12 nr_node_ids:1 PERCPU: Embedded 31 pages/cpu @ffff8800bfa00000 s87640 r8192 d31144 u131072 pcpu-alloc: s87640 r8192 d31144 u131072 alloc=1*2097152 pcpu-alloc: [0] 00 01 02 03 04 05 06 07 08 09 10 11 -- -- -- -- Built 1 zonelists in Zone order, mobility grouping on. Total pages: 774021 Kernel command line: hung_task_panic=1 earlyprintk=ttyS0,115200 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic console=ttyS0,115200 console=tty0 earlyprintk=ttyS0 ignore_loglevel ftrace_dump_on_oops vga=normal root=/dev/vda1 rw sysrq: sysrq always enabled. log_buf_len individual max cpu contribution: 2097152 bytes log_buf_len total cpu_extra contributions: 23068672 bytes log_buf_len min size: 8388608 bytes log_buf_len: 33554432 bytes early log buf free: 8380096(99%) PID hash table entries: 4096 (order: 3, 32768 bytes) Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) Memory: 2911172K/3145320K available (4237K kernel code, 721K rwdata, 1988K rodata, 936K init, 8608K bss, 234148K reserved, 0K cma-reserved) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=12, Nodes=1 Hierarchical RCU implementation. Build-time adjustment of leaf fanout to 64. RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=12. RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=12 NR_IRQS:4352 nr_irqs:136 16 Console: colour VGA+ 80x25 console [tty0] enabled bootconsole [earlyser0] disabled console [ttyS0] enabled tsc: Fast TSC calibration using PIT tsc: Detected 3199.926 MHz processor Calibrating delay loop (skipped), value calculated using timer frequency.. 6399.85 BogoMIPS (lpj=12799704) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) Initializing cgroup subsys memory Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 Freeing SMP alternatives memory: 20K (ffffffff819a0000 - ffffffff819a5000) ftrace: allocating 16664 entries in 66 pages Switched APIC routing to physical flat. enabled ExtINT on CPU#0 ENABLING IO-APIC IRQs init IO_APIC IRQs apic 0 pin 0 not connected IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:0) apic 0 pin 5 not connected IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:0) IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:0) apic 0 pin 16 not connected apic 0 pin 17 not connected apic 0 pin 18 not connected apic 0 pin 19 not connected apic 0 pin 20 not connected apic 0 pin 21 not connected apic 0 pin 22 not connected apic 0 pin 23 not connected ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 Using local APIC timer interrupts. calibrating APIC timer ... ... lapic delta = 6251755 ..... delta 6251755 ..... mult: 268510832 ..... calibration result: 4001123 ..... CPU clock speed is 3200.3592 MHz. ..... host bus clock speed is 1000.1123 MHz. ... verify APIC timer ... jiffies delta = 25 ... jiffies result ok smpboot: CPU0: Intel QEMU Virtual CPU version 2.0.0 (family: 0x6, model: 0x6, stepping: 0x3) Performance Events: Broken PMU hardware detected, using software events only. Failed to access perfctr msr (MSR c2 is 0) x86: Booting SMP configuration: .... node #0, CPUs: #1 masked ExtINT on CPU#1 #2 masked ExtINT on CPU#2 #3 masked ExtINT on CPU#3 #4 masked ExtINT on CPU#4 #5 masked ExtINT on CPU#5 #6 masked ExtINT on CPU#6 #7 masked ExtINT on CPU#7 #8 masked ExtINT on CPU#8 #9 masked ExtINT on CPU#9 #10 masked ExtINT on CPU#10 #11 masked ExtINT on CPU#11 x86: Booted up 1 node, 12 CPUs smpboot: Total of 12 processors activated (76818.13 BogoMIPS) devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns NET: Registered protocol family 16 PCI: Using configuration type 1 for base access vgaarb: loaded SCSI subsystem initialized libata version 3.00 loaded. PCI: Probing PCI hardware PCI: root bus 00: using default resources PCI: Probing PCI hardware (bus 00) PCI host bridge to bus 0000:00 pci_bus 0000:00: root bus resource [io 0x0000-0xffff] pci_bus 0000:00: root bus resource [mem 0x00000000-0xffffffffff] pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 pci 0000:00:01.1: reg 0x20: [io 0xc0c0-0xc0cf] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000 pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref] pci 0000:00:02.0: reg 0x14: [mem 0xfebd0000-0xfebd0fff] pci 0000:00:02.0: reg 0x30: [mem 0xfebc0000-0xfebcffff pref] vgaarb: setting as boot device: PCI:0000:00:02.0 vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 pci 0000:00:03.0: reg 0x10: [io 0xc080-0xc09f] pci 0000:00:03.0: reg 0x14: [mem 0xfebd1000-0xfebd1fff] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] pci 0000:00:04.0: [1af4:1002] type 00 class 0x00ff00 pci 0000:00:04.0: reg 0x10: [io 0xc0a0-0xc0bf] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc03f] pci 0000:00:05.0: reg 0x14: [mem 0xfebd2000-0xfebd2fff] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000 pci 0000:00:06.0: reg 0x10: [io 0xc040-0xc07f] pci 0000:00:06.0: reg 0x14: [mem 0xfebd3000-0xfebd3fff] pci 0000:00:07.0: [8086:25ab] type 00 class 0x088000 pci 0000:00:07.0: reg 0x10: [mem 0xfebd4000-0xfebd400f] pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00 pci 0000:00:01.0: PIIX/ICH IRQ router [8086:7000] PCI: pci_cache_line_size set to 64 bytes e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff] e820: reserve RAM buffer [mem 0xbfffc000-0xbfffffff] clocksource: Switched to clocksource refined-jiffies pci_bus 0000:00: resource 4 [io 0x0000-0xffff] pci_bus 0000:00: resource 5 [mem 0x00000000-0xffffffffff] NET: Registered protocol family 2 TCP established hash table entries: 32768 (order: 6, 262144 bytes) TCP bind hash table entries: 32768 (order: 7, 524288 bytes) TCP: Hash tables configured (established 32768 bind 32768) UDP hash table entries: 2048 (order: 4, 65536 bytes) UDP-Lite hash table entries: 2048 (order: 4, 65536 bytes) NET: Registered protocol family 1 Trying to unpack rootfs image as initramfs... Freeing initrd memory: 125848K (ffff88007851a000 - ffff880080000000) platform rtc_cmos: registered platform RTC device (no PNP device found) Scanning for low memory corruption every 60 seconds futex hash table entries: 4096 (order: 6, 262144 bytes) HugeTLB registered 2 MB page size, pre-allocated 0 pages fuse init (API version 7.23) 9p: Installing v9fs 9p2000 file system support cryptomgr_test (74) used greatest stack depth: 15352 bytes left cryptomgr_test (82) used greatest stack depth: 15136 bytes left Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) querying PCI -> IRQ mapping bus:0, slot:3, pin:0. virtio-pci 0000:00:03.0: PCI->APIC IRQ transform: INT A -> IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver querying PCI -> IRQ mapping bus:0, slot:4, pin:0. virtio-pci 0000:00:04.0: PCI->APIC IRQ transform: INT A -> IRQ 11 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver querying PCI -> IRQ mapping bus:0, slot:5, pin:0. virtio-pci 0000:00:05.0: PCI->APIC IRQ transform: INT A -> IRQ 10 virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver querying PCI -> IRQ mapping bus:0, slot:6, pin:0. virtio-pci 0000:00:06.0: PCI->APIC IRQ transform: INT A -> IRQ 10 virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A Linux agpgart interface v0.103 brd: module loaded loop: module loaded vda: vda1 vda2 < vda5 > zram: Added device: zram0 libphy: Fixed MDIO Bus: probed tun: Universal TUN/TAP device driver, 1.6 tun: (C) 1999-2004 Max Krasnyansky serio: i8042 KBD port at 0x60,0x64 irq 1 serio: i8042 AUX port at 0x60,0x64 irq 12 mousedev: PS/2 mouse device common for all mice rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 rtc_cmos rtc_cmos: alarms up to one day, 114 bytes nvram device-mapper: ioctl: 4.33.0-ioctl (2015-8-18) initialised: dm-devel@redhat.com device-mapper: cache cleaner: version 1.0.0 loaded NET: Registered protocol family 17 9pnet: Installing 9P2000 support ... APIC ID: 00000000 (0) ... APIC VERSION: 01050014 0000000000000000000000000000000000000000000000000000000000000000 000000000e000000000000000000000000000000000000000000000000000000 0000000000020000000000000000000000000000000000000000000000008000 number of MP IRQ sources: 16. number of IO-APIC #0 registers: 24. testing the IO APIC....................... IO APIC #0...... .... register #00: 00000000 ....... : physical APIC id: 00 ....... : Delivery Type: 0 ....... : LTS : 0 .... register #01: 00170011 ....... : max redirection entries: 17 ....... : PRQ implemented: 0 ....... : IO APIC version: 11 .... register #02: 00000000 ....... : arbitration: 00 .... IRQ redirection table: IOAPIC 0: pin00, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin01, enabled , edge , high, V(31), IRR(0), S(0), physical, D(00), M(0) pin02, enabled , edge , high, V(30), IRR(0), S(0), physical, D(00), M(0) pin03, enabled , edge , high, V(33), IRR(0), S(0), physical, D(00), M(0) pin04, disabled, edge , high, V(34), IRR(0), S(0), physical, D(00), M(0) pin05, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin06, enabled , edge , high, V(36), IRR(0), S(0), physical, D(00), M(0) pin07, enabled , edge , high, V(37), IRR(0), S(0), physical, D(00), M(0) pin08, enabled , edge , high, V(38), IRR(0), S(0), physical, D(00), M(0) pin09, disabled, level, high, V(39), IRR(0), S(0), physical, D(00), M(0) pin0a, enabled , level, high, V(3A), IRR(0), S(0), physical, D(00), M(0) pin0b, enabled , level, high, V(3B), IRR(0), S(0), physical, D(00), M(0) pin0c, enabled , edge , high, V(3C), IRR(0), S(0), physical, D(00), M(0) pin0d, enabled , edge , high, V(3D), IRR(0), S(0), physical, D(00), M(0) pin0e, enabled , edge , high, V(3E), IRR(0), S(0), physical, D(00), M(0) pin0f, enabled , edge , high, V(3F), IRR(0), S(0), physical, D(00), M(0) pin10, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin11, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin12, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin13, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin14, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin15, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin16, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) pin17, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0) IRQ to pin mappings: IRQ0 -> 0:2 IRQ1 -> 0:1 IRQ3 -> 0:3 IRQ4 -> 0:4 IRQ6 -> 0:6 IRQ7 -> 0:7 IRQ8 -> 0:8 IRQ9 -> 0:9 IRQ10 -> 0:10 IRQ11 -> 0:11 IRQ12 -> 0:12 IRQ13 -> 0:13 IRQ14 -> 0:14 IRQ15 -> 0:15 .................................... done. rtc_cmos rtc_cmos: setting system clock to 2015-10-20 08:57:55 UTC (1445331475) input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input0 Freeing unused kernel memory: 936K (ffffffff818b6000 - ffffffff819a0000) Write protecting the kernel read-only data: 8192k Freeing unused kernel memory: 1900K (ffff880001425000 - ffff880001600000) Freeing unused kernel memory: 60K (ffff8800017f1000 - ffff880001800000) busybox (117) used greatest stack depth: 14480 bytes left exe (124) used greatest stack depth: 14024 bytes left udevd[140]: starting version 175 blkid (151) used greatest stack depth: 13920 bytes left modprobe (242) used greatest stack depth: 13784 bytes left clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2e200418439, max_idle_ns: 440795220848 ns clocksource: Switched to clocksource tsc EXT4-fs (vda1): recovery complete EXT4-fs (vda1): mounted filesystem with ordered data mode. Opts: (null) exe (262) used greatest stack depth: 13032 bytes left random: init urandom read with 9 bits of entropy available init: plymouth-upstart-bridge main process (279) terminated with status 1 init: plymouth-upstart-bridge main process ended, respawning init: plymouth-upstart-bridge main process (289) terminated with status 1 init: plymouth-upstart-bridge main process ended, respawning init: plymouth-upstart-bridge main process (293) terminated with status 1 init: plymouth-upstart-bridge main process ended, respawning init: ureadahead main process (282) terminated with status 5 Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS systemd-udevd[423]: starting version 204 EXT4-fs (vdb): mounted filesystem with ordered data mode. Opts: errors=remount-ro * Stopping Send an event to indicate plymouth is up[ OK ] * Starting Mount filesystems on boot[ OK ] * Starting Signal sysvinit that the rootfs is mounted[ OK ] * Starting Populate /dev filesystem[ OK ] * Starting Populate and link to /run filesystem[ OK ] * Stopping Populate /dev filesystem[ OK ] * Stopping Populate and link to /run filesystem[ OK ] * Starting Clean /tmp directory[ OK ] * Stopping Track if upstart is running in a container[ OK ] * Stopping Clean /tmp directory[ OK ] * Starting Initialize or finalize resolvconf[ OK ] * Starting set console keymap[ OK ] * Starting Signal sysvinit that virtual filesystems are mounted[ OK ] * Starting Signal sysvinit that virtual filesystems are mounted[ OK ] * Starting Bridge udev events into upstart[ OK ] * Starting Signal sysvinit that remote filesystems are mounted[ OK ] * Stopping set console keymap[ OK ] * Starting device node and kernel event manager[ OK ] * Starting load modules from /etc/modules[ OK ] * Starting cold plug devices[ OK ] * Starting log initial device creation[ OK ] * Stopping Read required files in advance (for other mountpoints)[ OK ] * Stopping load modules from /etc/modules[ OK ] * Starting Signal sysvinit that local filesystems are mounted[ OK ] * Starting flush early job output to logs[ OK ] * Stopping Mount filesystems on boot[ OK ] * Stopping flush early job output to logs[ OK ] * Starting D-Bus system message bus[ OK ] * Starting SystemD login management service[ OK ] * Starting system logging daemon[ OK ] * Stopping cold plug devices[ OK ] * Starting Uncomplicated firewall[ OK ] * Starting configure network device security[ OK ] * Stopping log initial device creation[ OK ] * Starting configure network device security[ OK ] * Starting save udev log and update rules[ OK ] * Starting set console font[ OK ] * Stopping save udev log and update rules[ OK ] * Starting Mount network filesystems[ OK ] * Starting Failsafe Boot Delay[ OK ] * Starting configure network device security[ OK ] * Stopping Mount network filesystems[ OK ] * Starting configure network device[ OK ] * Starting configure network device[ OK ] * Starting Bridge file events into upstart[ OK ] * Starting Bridge socket events into upstart[ OK ] * Stopping set console font[ OK ] * Starting userspace bootsplash[ OK ] * Starting Send an event to indicate plymouth is up[ OK ] * Stopping userspace bootsplash[ OK ] * Stopping Send an event to indicate plymouth is up[ OK ] * Starting Mount network filesystems[ OK ] init: failsafe main process (591) killed by TERM signal * Stopping Failsafe Boot Delay[ OK ] * Starting System V initialisation compatibility[ OK ] * Stopping Mount network filesystems[ OK ] * Starting configure virtual network devices[ OK ] * Stopping System V initialisation compatibility[ OK ] * Starting System V runlevel compatibility[ OK ] * Starting deferred execution scheduler[ OK ] * Starting regular background program processing daemon[ OK ] * Starting ACPI daemon[ OK ] * Starting save kernel messages[ OK ] * Starting CPU interrupts balancing daemon[ OK ] * Stopping save kernel messages[ OK ] * Starting OpenSSH server[ OK ] * Starting automatic crash report generation[ OK ] * Restoring resolver state...  [ OK ] eth0 Link encap:Ethernet HWaddr 52:54:79:12:34:57 inet addr:192.168.0.21 Bcast:192.168.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:34 errors:0 dropped:24 overruns:0 frame:0 TX packets:4 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:5780 (5.7 KB) TX bytes:800 (800.0 B) lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:65536 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) * Stopping System V runlevel compatibility[ OK ] init: plymouth-upstart-bridge main process ended, respawning sh (1429) used greatest stack depth: 11752 bytes left sh (1454) used greatest stack depth: 11528 bytes left random: nonblocking pool is initialized Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS sh (2785) used greatest stack depth: 11480 bytes left Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS Adding 4191228k swap on /dev/vda5. Priority:-1 extents:1 across:4191228k FS BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: [] down_read_trylock+0x9/0x30 PGD 0 Oops: 0000 [#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 26445 Comm: sh Not tainted 4.3.0-rc5-mm1-diet-meta+ #1545 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff8800b9af3480 ti: ffff88007fea0000 task.ti: ffff88007fea0000 RIP: 0010:[] [] down_read_trylock+0x9/0x30 RSP: 0018:ffff88007fea3648 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffffea0002324900 RCX: ffff88007fea37e8 RDX: 0000000000000000 RSI: ffff88007fea36e8 RDI: 0000000000000008 RBP: ffff88007fea3648 R08: ffffffff818446a0 R09: ffff8800b9af4c80 R10: 0000000000000216 R11: 0000000000000001 R12: ffff88007f58d6e1 R13: ffff88007f58d6e0 R14: 0000000000000008 R15: 0000000000000001 FS: 00007f0993e78740(0000) GS:ffff8800bfa20000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000008 CR3: 000000007edee000 CR4: 00000000000006a0 Stack: ffff88007fea3678 ffffffff81124ff0 ffffea0002324900 ffff88007fea36e8 ffff88009ffe8400 0000000000000000 ffff88007fea36c0 ffffffff81125733 ffff8800bfa34540 ffffffff8105dc9d ffffea0002324900 ffff88007fea37e8 Call Trace: [] page_lock_anon_vma_read+0x60/0x180 [] rmap_walk+0x1b3/0x3f0 [] ? finish_task_switch+0x5d/0x1f0 [] page_referenced+0x1a3/0x220 [] ? __page_check_address+0x1a0/0x1a0 [] ? page_get_anon_vma+0xd0/0xd0 [] ? anon_vma_ctor+0x40/0x40 [] shrink_page_list+0x5ab/0xde0 [] shrink_inactive_list+0x18c/0x4b0 [] shrink_lruvec+0x59d/0x740 [] shrink_zone+0x90/0x250 [] do_try_to_free_pages+0x12d/0x3b0 [] try_to_free_mem_cgroup_pages+0x9d/0x120 [] try_charge+0x163/0x700 [] mem_cgroup_do_precharge+0x54/0x70 [] mem_cgroup_can_attach+0x175/0x1b0 [] ? kernfs_iattrs.isra.6+0x37/0xd0 [] ? get_mctgt_type+0x320/0x320 [] cgroup_migrate+0x149/0x440 [] cgroup_attach_task+0x7c/0xe0 [] __cgroup_procs_write.isra.33+0x1d4/0x2b0 [] cgroup_tasks_write+0x10/0x20 [] cgroup_file_write+0x38/0xf0 [] kernfs_fop_write+0x11d/0x170 [] __vfs_write+0x28/0xe0 [] ? __fd_install+0x24/0xc0 [] ? percpu_down_read+0x21/0x50 [] vfs_write+0xa1/0x170 [] SyS_write+0x46/0xa0 [] entry_SYSCALL_64_fastpath+0x12/0x6a Code: 5e 82 3a 00 48 83 c4 08 5b 5d c3 48 89 45 f0 e8 9b 6a 3a 00 48 8b 45 f0 eb df 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 <48> 8b 07 48 89 c2 48 83 c2 01 7e 07 f0 48 0f b1 17 75 f0 48 f7 RIP [] down_read_trylock+0x9/0x30 RSP CR2: 0000000000000008 BUG: unable to handle kernel ---[ end trace e81a82c8122b447d ]--- Kernel panic - not syncing: Fatal exception NULL pointer dereference at 0000000000000008 IP: [] down_read_trylock+0x9/0x30 PGD 0 Oops: 0000 [#2] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 10 PID: 59 Comm: khugepaged Tainted: G D 4.3.0-rc5-mm1-diet-meta+ #1545 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff8800b9851a40 ti: ffff8800b985c000 task.ti: ffff8800b985c000 RIP: 0010:[] [] down_read_trylock+0x9/0x30 RSP: 0018:ffff8800b985f778 EFLAGS: 00010202 RAX: 0000000000000001 RBX: ffffea0002321800 RCX: ffff8800b985f918 RDX: 0000000000000000 RSI: ffff8800b985f818 RDI: 0000000000000008 RBP: ffff8800b985f778 R08: ffffffff818446a0 R09: ffff8800b9853240 R10: 000000000000ba03 R11: 0000000000000001 R12: ffff88007f58d6e1 R13: ffff88007f58d6e0 R14: 0000000000000008 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8800bfb40000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000000008 CR3: 0000000001808000 CR4: 00000000000006a0 Stack: ffff8800b985f7a8 ffffffff81124ff0 ffffea0002321800 ffff8800b985f818 ffff88009ffe8400 0000000000000000 ffff8800b985f7f0 ffffffff81125733 ffff8800bfb54540 ffffffff8105dc9d ffffea0002321800 ffff8800b985f918 Call Trace: [] page_lock_anon_vma_read+0x60/0x180 [] rmap_walk+0x1b3/0x3f0 [] ? finish_task_switch+0x5d/0x1f0 [] page_referenced+0x1a3/0x220 [] ? __page_check_address+0x1a0/0x1a0 [] ? page_get_anon_vma+0xd0/0xd0 [] ? anon_vma_ctor+0x40/0x40 [] shrink_page_list+0x5ab/0xde0 [] shrink_inactive_list+0x18c/0x4b0 [] shrink_lruvec+0x59d/0x740 [] shrink_zone+0x90/0x250 [] do_try_to_free_pages+0x12d/0x3b0 [] try_to_free_mem_cgroup_pages+0x9d/0x120 [] try_charge+0x163/0x700 [] ? schedule+0x33/0x80 [] mem_cgroup_try_charge+0x9f/0x1d0 [] khugepaged+0x7cc/0x1ac0 [] ? hrtick_update+0x1/0x70 [] ? prepare_to_wait_event+0xf0/0xf0 [] ? total_mapcount+0x70/0x70 [] kthread+0xc9/0xe0 [] ? kthread_park+0x60/0x60 [] ret_from_fork+0x3f/0x70 [] ? kthread_park+0x60/0x60 Code: 5e 82 3a 00 48 83 c4 08 5b 5d c3 48 89 45 f0 e8 9b 6a 3a 00 48 8b 45 f0 eb df 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 <48> 8b 07 48 89 c2 48 83 c2 01 7e 07 f0 48 0f b1 17 75 f0 48 f7 RIP [] down_read_trylock+0x9/0x30 RSP CR2: 0000000000000008 ---[ end trace e81a82c8122b447e ]--- Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled