[ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.8.0-mm1-00712-ge5b1dc6 (kbuild@bee) (gcc version 4.7.2 (Debian 4.7.2-4) ) #164 SMP Wed Feb 20 10:46:51 CST 2013 [ 0.000000] Command line: hung_task_panic=1 rcutree.rcu_cpu_stall_timeout=100 branch=mmotm/master log_buf_len=8M ignore_loglevel debug sched_debug apic=debug dynamic_printk sysrq_always_enabled panic=10 load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal ip=::::kvm::dhcp nfsroot=10.239.97.14:/nfsroot/wfg,tcp,v3,nocto,actimeo=600,nolock,rsize=524288,wsize=524288 rw link=vmlinuz-2013-02-20-10-47-52-mmotm:master:e5b1dc6-e5b1dc6-x86_64-allyesdebian-2-ant noapic nolapic nohz=off BOOT_IMAGE=kernel-tests/kernels/x86_64-allyesdebian/e5b1dc6/vmlinuz-3.8.0-mm1-00712-ge5b1dc6 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000093bff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000093c00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffdfff] usable [ 0.000000] BIOS-e820: [mem 0x000000001fffe000-0x000000001fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000] debug: ignoring loglevel setting. [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Bochs Bochs, BIOS Bochs 01/01/2007 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] No AGP bridge found [ 0.000000] e820: last_pfn = 0x1fffe 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 00E0000000 mask FFE0000000 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 enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] Scan for SMP in [mem 0x00000000-0x000003ff] [ 0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff] [ 0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff] [ 0.000000] found SMP MP-table at [mem 0x000fdac0-0x000fdacf] mapped at [ffff8800000fdac0] [ 0.000000] mpc: fdad0-fdbec [ 0.000000] ACPI: RSDP 00000000000fd930 00014 (v00 BOCHS ) [ 0.000000] ACPI: RSDT 000000001fffe550 00038 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: FACP 000000001fffff80 00074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.000000] ACPI: DSDT 000000001fffe590 01121 (v01 BXPC BXDSDT 00000001 INTL 20100528) [ 0.000000] ACPI: FACS 000000001fffff40 00040 [ 0.000000] ACPI: SSDT 000000001ffffe40 000FF (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001) [ 0.000000] ACPI: APIC 000000001ffffd50 00080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.000000] ACPI: HPET 000000001ffffd10 00038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.000000] ACPI: SSDT 000000001ffff6c0 00644 (v01 BXPC BXSSDTPC 00000001 INTL 20100528) [ 0.000000] Base memory trampoline at [ffff88000008d000] 8d000 size 24576 [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x0501a000, 0x0501afff] PGTABLE [ 0.000000] BRK [0x0501b000, 0x0501bfff] PGTABLE [ 0.000000] BRK [0x0501c000, 0x0501cfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x1fe00000-0x1fffdfff] [ 0.000000] [mem 0x1fe00000-0x1fffdfff] page 4k [ 0.000000] BRK [0x0501d000, 0x0501dfff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x1c000000-0x1fdfffff] [ 0.000000] [mem 0x1c000000-0x1fdfffff] page 4k [ 0.000000] BRK [0x0501e000, 0x0501efff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x00100000-0x1bffffff] [ 0.000000] [mem 0x00100000-0x1bffffff] page 4k [ 0.000000] log_buf_len: 8388608 [ 0.000000] early log buf free: 126740(96%) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000001fffdfff] [ 0.000000] Initmem setup node 0 [mem 0x00000000-0x1fffdfff] [ 0.000000] NODE_DATA [mem 0x1f6fc000-0x1f700fff] [ 0.000000] [ffffea0000000000-ffffea00007fffff] PMD -> [ffff88001e600000-ffff88001edfffff] on node 0 [ 0.000000] sizeof(struct page) = 64 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x00001000-0x00ffffff] [ 0.000000] DMA32 [mem 0x01000000-0xffffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x00001000-0x00092fff] [ 0.000000] node 0: [mem 0x00100000-0x1fffdfff] [ 0.000000] On node 0 totalpages: 130960 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 21 pages reserved [ 0.000000] DMA zone: 3986 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 1984 pages used for memmap [ 0.000000] DMA32 zone: 126974 pages, LIFO batch:31 [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.000000] Intel MultiProcessor Specification v1.4 [ 0.000000] mpc: fdad0-fdbec [ 0.000000] MPTABLE: OEM ID: BOCHSCPU [ 0.000000] MPTABLE: Product ID: 0.1 [ 0.000000] MPTABLE: APIC at: 0xFEE00000 [ 0.000000] mapped APIC to ffffffffff5f3000 ( fee00000) [ 0.000000] Processor #0 (Bootup-CPU) [ 0.000000] Processor #1 [ 0.000000] Bus #0 is PCI [ 0.000000] Bus #1 is ISA [ 0.000000] IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 04, APIC ID 2, APIC INT 09 [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 0c, APIC ID 2, APIC INT 0b [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 10, APIC ID 2, APIC INT 0b [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 14, APIC ID 2, APIC INT 0a [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 18, APIC ID 2, APIC INT 0a [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 1c, APIC ID 2, APIC INT 0b [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 20, APIC ID 2, APIC INT 0b [ 0.000000] Int: type 0, pol 1, trig 0, bus 00, IRQ 24, APIC ID 2, APIC INT 0a [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 00, APIC ID 2, APIC INT 02 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 01, APIC ID 2, APIC INT 01 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 03, APIC ID 2, APIC INT 03 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 04, APIC ID 2, APIC INT 04 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 05, APIC ID 2, APIC INT 05 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 06, APIC ID 2, APIC INT 06 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 07, APIC ID 2, APIC INT 07 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 08, APIC ID 2, APIC INT 08 [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0c, APIC ID 2, APIC INT 0c [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0d, APIC ID 2, APIC INT 0d [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0e, APIC ID 2, APIC INT 0e [ 0.000000] Int: type 0, pol 0, trig 0, bus 01, IRQ 0f, APIC ID 2, APIC INT 0f [ 0.000000] Lint: type 3, pol 0, trig 0, bus 01, IRQ 00, APIC ID 0, APIC LINT 00 [ 0.000000] Lint: type 1, pol 0, trig 0, bus 01, IRQ 00, APIC ID ff, APIC LINT 01 [ 0.000000] Processors: 2 [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] mapped IOAPIC to ffffffffff5f2000 (fec00000) [ 0.000000] nr_irqs_gsi: 40 [ 0.000000] PM: Registered nosave memory: 0000000000093000 - 0000000000094000 [ 0.000000] PM: Registered nosave memory: 0000000000094000 - 00000000000a0000 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000f0000 [ 0.000000] PM: Registered nosave memory: 00000000000f0000 - 0000000000100000 [ 0.000000] e820: [mem 0x20000000-0xfffbffff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:512 nr_cpumask_bits:512 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 478 pages/cpu @ffff88001e200000 s1927320 r8192 d22376 u2097152 [ 0.000000] pcpu-alloc: s1927320 r8192 d22376 u2097152 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 128891 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: hung_task_panic=1 rcutree.rcu_cpu_stall_timeout=100 branch=mmotm/master log_buf_len=8M ignore_loglevel debug sched_debug apic=debug dynamic_printk sysrq_always_enabled panic=10 load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal ip=::::kvm::dhcp nfsroot=10.239.97.14:/nfsroot/wfg,tcp,v3,nocto,actimeo=600,nolock,rsize=524288,wsize=524288 rw link=vmlinuz-2013-02-20-10-47-52-mmotm:master:e5b1dc6-e5b1dc6-x86_64-allyesdebian-2-ant noapic nolapic nohz=off BOOT_IMAGE=kernel-tests/kernels/x86_64-allyesdebian/e5b1dc6/vmlinuz-3.8.0-mm1-00712-ge5b1dc6 [ 0.000000] sysrq: sysrq always enabled. [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes) [ 0.000000] __ex_table already sorted, skipping sort [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Memory: 436108k/524280k available (29039k kernel code, 440k absent, 87732k reserved, 19709k data, 4164k init) [ 0.000000] Hierarchical RCU implementation. [ 0.000000] [ 0.000000] [ 0.000000] [ 0.000000] [ 0.000000] NR_IRQS:33024 nr_irqs:512 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 6367 kB [ 0.000000] per task-struct memory footprint: 2688 bytes [ 0.000000] ------------------------ [ 0.000000] | Locking API testsuite: [ 0.000000] ---------------------------------------------------------------------------- [ 0.000000] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] A-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | [ 0.000000] double unlock: ok | ok | ok | ok | ok | ok | [ 0.000000] initialize held: ok | ok | ok | ok | ok | ok | [ 0.000000] bad unlock order: ok | ok | ok | ok | ok | ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] recursive read-lock: | ok | | ok | [ 0.000000] recursive read-lock #2: | ok | | ok | [ 0.000000] mixed read-write-lock: | ok | | ok | [ 0.000000] mixed write-read-lock: | ok | | ok | [ 0.000000] -------------------------------------------------------------------------- [ 0.000000] hard-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.000000] soft-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.000000] hard-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.000000] soft-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.000000] sirq-safe-A => hirqs-on/12: ok | ok | ok | [ 0.000000] sirq-safe-A => hirqs-on/21: ok | ok | ok | [ 0.000000] hard-safe-A + irqs-on/12: ok | ok | ok | [ 0.000000] soft-safe-A + irqs-on/12: ok | ok | ok | [ 0.000000] hard-safe-A + irqs-on/21: ok | ok | ok | [ 0.000000] soft-safe-A + irqs-on/21: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.000000] hard-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.000000] soft-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/123: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/123: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/132: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/132: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/213: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/213: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/231: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/231: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/312: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/312: ok | ok | ok | [ 0.000000] hard-irq lock-inversion/321: ok | ok | ok | [ 0.000000] soft-irq lock-inversion/321: ok | ok | ok | [ 0.000000] hard-irq read-recursion/123: ok | [ 0.000000] soft-irq read-recursion/123: ok | [ 0.000000] hard-irq read-recursion/132: ok | [ 0.000000] soft-irq read-recursion/132: ok | [ 0.000000] hard-irq read-recursion/213: ok | [ 0.000000] soft-irq read-recursion/213: ok | [ 0.000000] hard-irq read-recursion/231: ok | [ 0.000000] soft-irq read-recursion/231: ok | [ 0.000000] hard-irq read-recursion/312: ok | [ 0.000000] soft-irq read-recursion/312: ok | [ 0.000000] hard-irq read-recursion/321: ok | [ 0.000000] soft-irq read-recursion/321: ok | [ 0.000000] ------------------------------------------------------- [ 0.000000] Good, all 218 testcases passed! | [ 0.000000] --------------------------------- [ 0.000000] ODEBUG: 0 of 0 active objects replaced [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 3191.973 MHz processor [ 0.000000] tsc: Marking TSC unstable due to TSCs unsynchronized [ 0.022362] Calibrating delay loop (skipped), value calculated using timer frequency.. 6383.94 BogoMIPS (lpj=12767892) [ 0.025596] pid_max: default: 32768 minimum: 301 [ 0.059201] Security Framework initialized [ 0.062947] AppArmor: AppArmor disabled by boot time parameter [ 0.082140] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes) [ 0.094530] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes) [ 0.102658] Mount-cache hash table entries: 256 [ 0.222711] Initializing cgroup subsys devices [ 0.225678] Initializing cgroup subsys freezer [ 0.228408] Initializing cgroup subsys net_cls [ 0.229934] Initializing cgroup subsys blkio [ 0.247475] mce: CPU supports 10 MCE banks [ 0.252450] numa_add_cpu cpu 0 node 0: mask now 0 [ 0.253635] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.253635] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.253635] tlb_flushall_shift: -1 [ 0.258113] debug: unmapping init [mem 0xffffffff843ae000-0xffffffff843b9fff] [ 0.281186] ACPI: Core revision 20130117 [ 0.882404] ACPI: All ACPI Tables successfully acquired [ 0.884321] ACPI: setting ELCR to 0200 (from 0c00) [ 0.888267] ftrace: allocating 111913 entries in 438 pages [ 1.658976] smpboot: SMP disabled [ 1.661725] Performance Events: [ 1.662683] no APIC, boot with the "lapic" boot parameter to force-enable it. [ 1.664216] no hardware sampling interrupt available. [ 1.665540] Broken PMU hardware detected, using software events only. [ 1.668216] Failed to access perfctr msr (MSR c0010004 is 0) [ 1.762157] Testing tracer nop: PASSED [ 1.783014] Brought up 1 CPUs [ 1.784214] ---------------- [ 1.784791] | NMI testsuite: [ 1.785303] -------------------- [ 1.785897] remote IPI: ok | [ 1.786928] local IPI: [ 3.681214] BUG: unable to handle kernel NULL pointer dereference at (null) [ 3.683277] IP: [] perf_init_event+0x43/0xf7 [ 3.684000] PGD 0 [ 3.684000] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 3.684000] Modules linked in: [ 3.684000] CPU 0 [ 3.684000] Pid: 11, comm: watchdog/0 Not tainted 3.8.0-mm1-00712-ge5b1dc6 #164 Bochs Bochs [ 3.684000] RIP: 0010:[] [] perf_init_event+0x43/0xf7 [ 3.684000] RSP: 0000:ffff88001d6e3cc8 EFLAGS: 00000246 [ 3.684000] RAX: 0000000000000000 RBX: ffffffff83c60370 RCX: 0000000000436017 [ 3.684000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246 [ 3.684000] RBP: ffff88001d6e3cf8 R08: 0000000000000001 R09: 0000000000000000 [ 3.684000] R10: ffffffff83c51bf0 R11: ffff88001e20a000 R12: ffff88001d6d2800 [ 3.684000] R13: 0000000000000000 R14: ffff88001d6d2800 R15: ffffffff83c51270 [ 3.684000] FS: 0000000000000000(0000) GS:ffff88001e200000(0000) knlGS:0000000000000000 [ 3.684000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 3.684000] CR2: 0000000000000000 CR3: 0000000003c15000 CR4: 00000000000006f0 [ 3.684000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3.684000] DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000 [ 3.684000] Process watchdog/0 (pid: 11, threadinfo ffff88001d6e2000, task ffff88001d6e42c0) [ 3.684000] Stack: [ 3.684000] ffff88001d6e3cf8 ffffffff810bc566 ffff88001d6d2bc8 ffffffff83c60370 [ 3.684000] 0000000000000000 0000000000000000 ffff88001d6e3d48 ffffffff81141da7 [ 3.684000] ffffffff8110dc69 000000001e3d5700 ffff88001d6e3d28 0000000000000000 [ 3.684000] Call Trace: [ 3.684000] [] ? __mutex_init+0x57/0x5f [ 3.684000] [] perf_event_alloc+0x267/0x397 [ 3.684000] [] ? touch_nmi_watchdog+0x5f/0x5f [ 3.684000] [] perf_event_create_kernel_counter+0x26/0xce [ 3.684000] [] watchdog_enable+0xaf/0x1a4 [ 3.684000] [] ? __schedule+0x5a5/0x5ee [ 3.684000] [] smpboot_thread_fn+0x135/0x1b4 [ 3.684000] [] ? smpboot_register_percpu_thread+0xb7/0xb7 [ 3.684000] [] ? smpboot_register_percpu_thread+0xb7/0xb7 [ 3.684000] [] kthread+0xb1/0xb9 [ 3.684000] [] ? __wait_for_common+0xb8/0x107 [ 3.684000] [] ? __kthread_parkme+0x65/0x65 [ 3.684000] [] ret_from_fork+0x7c/0xb0 [ 3.684000] [] ? __kthread_parkme+0x65/0x65 [ 3.684000] Code: eb c5 f7 ff 48 c7 c7 50 cc d0 84 41 89 c5 e8 c6 9d ff ff e8 ea 9d ff ff 41 8b b4 24 a0 00 00 00 48 8b 05 b8 af bc 03 89 f2 30 d2 <3b> 10 75 0f 40 0f b6 f6 48 83 c6 04 48 8b 5c f0 08 eb 0f 48 c7 [ 3.684000] RIP [] perf_init_event+0x43/0xf7 [ 3.684000] RSP [ 3.684000] CR2: 0000000000000000 [ 3.688499] ---[ end trace 06ac4849e4c65ddd ]--- [ 3.689742] BUG: scheduling while atomic: watchdog/0/11/0x10000002 [ 3.690665] INFO: lockdep is turned off. [ 3.692141] Modules linked in: [ 3.692936] Pid: 11, comm: watchdog/0 Tainted: G D 3.8.0-mm1-00712-ge5b1dc6 #164 [ 3.694106] Call Trace: [ 3.694602] [] __schedule_bug+0x65/0x75 [ 3.695445] [] __schedule+0x95/0x5ee [ 3.696187] [] __cond_resched+0x27/0x32 [ 3.697050] [] _cond_resched+0x19/0x22 [ 3.697877] [] down_read+0x30/0x85 [ 3.698666] [] exit_signals+0x26/0x12b [ 3.700180] [] do_exit+0x119/0x986 [ 3.700992] [] ? kmsg_dump+0xef/0x107 [ 3.701811] [] ? kmsg_dump+0x25/0x107 [ 3.702628] [] oops_end+0xb5/0xbd [ 3.703396] [] no_context+0x250/0x27b [ 3.704184] [] __bad_area_nosemaphore+0x1c5/0x1e4 [ 3.705139] [] ? __do_page_fault+0x11e/0x41f [ 3.706032] [] bad_area_nosemaphore+0x13/0x15 [ 3.706930] [] __do_page_fault+0x39d/0x41f [ 3.708186] [] ? __lock_acquire+0x38c/0xe20 [ 3.709091] [] ? time_hardirqs_off+0x15/0x2a [ 3.709977] [] ? error_sti+0x5/0x6 [ 3.710768] [] ? trace_hardirqs_off_caller+0x3f/0x9e [ 3.712184] [] ? trace_hardirqs_off_thunk+0x3a/0x3c [ 3.713167] [] do_page_fault+0xe/0x10 [ 3.713986] [] page_fault+0x28/0x30 [ 3.714792] [] ? perf_init_event+0x43/0xf7 [ 3.716179] [] ? perf_init_event+0x30/0xf7 [ 3.717071] [] ? __mutex_init+0x57/0x5f [ 3.717912] [] perf_event_alloc+0x267/0x397 [ 3.718787] [] ? touch_nmi_watchdog+0x5f/0x5f [ 3.719688] [] perf_event_create_kernel_counter+0x26/0xce [ 3.720179] [] watchdog_enable+0xaf/0x1a4 [ 3.721085] [] ? __schedule+0x5a5/0x5ee [ 3.721925] [] smpboot_thread_fn+0x135/0x1b4 [ 3.722816] [] ? smpboot_register_percpu_thread+0xb7/0xb7 [ 3.724182] [] ? smpboot_register_percpu_thread+0xb7/0xb7 [ 3.725224] [] kthread+0xb1/0xb9 [ 3.726001] [] ? __wait_for_common+0xb8/0x107 [ 3.727016] [] ? __kthread_parkme+0x65/0x65 [ 3.728177] [] ret_from_fork+0x7c/0xb0 [ 3.729028] [] ? __kthread_parkme+0x65/0x65 [ 3.730138] note: watchdog/0[11] exited with preempt_count 1 [ 3.733709] watchdog/0 (11) used greatest stack depth: 4416 bytes left [ 3.742443] ok | [ 3.743088] -------------------- [ 3.743669] Good, all 2 testcases passed! | [ 3.744542] --------------------------------- [ 3.745434] smpboot: Total of 1 processors activated (6383.94 BogoMIPS) [ 3.756673] CPU0 attaching NULL sched-domain. [ 3.792391] devtmpfs: initialized [ 4.030593] Testing tracer function: