[rcu] [ INFO: suspicious RCU usage. ]
From: Fengguang Wu
Date: Sat Jan 31 2015 - 21:59:52 EST
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git revert-c418b8035fac0cc7d242e5de126cec1006a34bed-dd2b39be8eee9d175c7842c30e405a5cbe50095a
commit dd2b39be8eee9d175c7842c30e405a5cbe50095a
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed Jan 28 14:42:09 2015 -0800
Commit: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Fri Jan 30 12:59:22 2015 -0800
rcu: Handle outgoing CPUs on exit from idle loop
This commit informs RCU of an outgoing CPU just before that CPU invokes
arch_cpu_idle_dead() during its last pass through the idle loop (via a
new CPU_DYING_IDLE notifier value). This change means that RCU need not
deal with outgoing CPUs passing through the scheduler after informing
RCU that they are no longer online. Note that removing the CPU from
the rcu_node ->qsmaskinit bit masks is done at CPU_DYING_IDLE time,
and orphaning callbacks is still done at CPU_DEAD time, the reason being
that at CPU_DEAD time we have another CPU that can adopt them.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
+-------------------------------------+------------+------------+------------+
| | 8c50d7da91 | dd2b39be8e | d586642522 |
+-------------------------------------+------------+------------+------------+
| boot_successes | 198 | 11 | 51 |
| boot_failures | 0 | 55 | 15 |
| INFO:suspicious_RCU_usage | 0 | 55 | 15 |
| RCU_used_illegally_from_offline_CPU | 0 | 55 | 15 |
| backtrace:cpu_startup_entry | 0 | 55 | 15 |
| BUG:kernel_test_hang | 0 | 0 | 4 |
+-------------------------------------+------------+------------+------------+
[ 15.244825] numa_remove_cpu cpu 0 node 0: mask now 1
[ 15.246713]
[ 15.246917] ===============================
[ 15.247424] [ INFO: suspicious RCU usage. ]
[ 15.247964] 3.19.0-rc1-gdd2b39b #10 Not tainted
[ 15.248531] -------------------------------
[ 15.248586] include/trace/events/rcu.h:35 suspicious rcu_dereference_check() usage!
[ 15.248586]
[ 15.248586] other info that might help us debug this:
[ 15.248586]
[ 15.248586]
[ 15.248586] RCU used illegally from offline CPU!
[ 15.248586] rcu_scheduler_active = 1, debug_locks = 0
[ 15.248586] no locks held by swapper/0/0.
[ 15.248586]
[ 15.248586] stack backtrace:
[ 15.248586] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0-rc1-gdd2b39b #10
[ 15.248586] 0000000000000001 ffffffff81e03e08 ffffffff8171b89b 0000000000000000
[ 15.248586] ffffffff81e0e580 ffffffff81e03e38 ffffffff810efec2 ffffffff81e4b140
[ 15.248586] ffffffff81c77ba0 0000000000000002 ffffffff81e11e98 ffffffff81e03e58
[ 15.248586] Call Trace:
[ 15.248586] [<ffffffff8171b89b>] dump_stack+0x7f/0xa7
[ 15.248586] [<ffffffff810efec2>] lockdep_rcu_suspicious+0x107/0x110
[ 15.248586] [<ffffffff81111363>] trace_rcu_utilization+0x127/0x133
[ 15.248586] [<ffffffff8111291e>] rcu_cpu_notify+0x527/0x53b
[ 15.248586] [<ffffffff810e9722>] cpu_startup_entry+0x1dc/0x4ea
[ 15.248586] [<ffffffff8170eb5d>] rest_init+0x159/0x15f
[ 15.248586] [<ffffffff8237b2da>] start_kernel+0x565/0x572
[ 15.248586] [<ffffffff8237a120>] ? early_idt_handlers+0x120/0x120
[ 15.248586] [<ffffffff8237a4e4>] x86_64_start_reservations+0x41/0x43
[ 15.248586] [<ffffffff8237a623>] x86_64_start_kernel+0x13d/0x14c
[ 15.265151] CPU 0 is now offline
[ 15.265941] debug: unmapping init [mem 0xffffffff82365000-0xffffffff82539fff]
[ 15.266726] Write protecting the kernel read-only data: 14336k
git bisect start d58664252218cfefb19709d597ff0c5d93688203 26bc420b59a38e4e6685a73345a0def461136dce --
git bisect bad 19f7d9c2f948a4c5c7742adb16fe00920f35f302 # 13:29 23- 6 Merge 'jtkirshe-net-next/i40e-queue' into devel-roam-smoke-201501311226
git bisect bad 2c86978183cc365003e2d6949052a30865ef8b89 # 13:33 34- 32 Merge 'wsa/i2c/for-next' into devel-roam-smoke-201501311226
git bisect good 1ffdd3662d27b1d4d59d51bbcc104b200be63d6a # 13:37 66+ 0 Merge 'pci/pci/virtualization' into devel-roam-smoke-201501311226
git bisect bad 0ce6ea6707a3d5ae5bfdbdc4d16ebc86cff77f5f # 13:43 32- 22 Merge 'rcu/rcu/next' into devel-roam-smoke-201501311226
git bisect good 53805a9f2fa76294af534fb7e9f96d43f1d820eb # 13:52 66+ 0 Merge 'iio/testing' into devel-roam-smoke-201501311226
git bisect good 78e691f4ae2d5edea0199ca802bb505b9cdced88 # 14:01 66+ 0 Merge branches 'doc.2015.01.07a', 'fixes.2015.01.15a', 'preempt.2015.01.06a', 'srcu.2015.01.06a', 'stall.2015.01.16a' and 'torture.2015.01.11a' into HEAD
git bisect good 17366dc8dc49858ba931c4120d8de494e388d93e # 14:05 66+ 0 documentation: Update rcutree.kthread_prio for grace-period kthread use
git bisect good 569c1500e44189136c8a9f4b5e39f0055e422b0d # 14:14 66+ 0 documentation: Update based on on-demand vmstat workers
git bisect good 14fefdb410cf48327c972ce91deb5e98edc8671f # 14:18 66+ 0 rcu: Eliminate ->onoff_mutex from rcu_node structure
git bisect bad dd2b39be8eee9d175c7842c30e405a5cbe50095a # 14:29 11- 55 rcu: Handle outgoing CPUs on exit from idle loop
git bisect good 8c50d7da9124a9f1e92e13996a0a148b2431390d # 14:34 66+ 0 cpu: Make CPU-offline idle-loop transition point more precise
# first bad commit: [dd2b39be8eee9d175c7842c30e405a5cbe50095a] rcu: Handle outgoing CPUs on exit from idle loop
git bisect good 8c50d7da9124a9f1e92e13996a0a148b2431390d # 14:37 198+ 0 cpu: Make CPU-offline idle-loop transition point more precise
# extra tests with DEBUG_INFO
git bisect good dd2b39be8eee9d175c7842c30e405a5cbe50095a # 15:35 198+ 198 rcu: Handle outgoing CPUs on exit from idle loop
# extra tests on HEAD of linux-devel/devel-roam-smoke-201501311226
git bisect bad d58664252218cfefb19709d597ff0c5d93688203 # 15:35 0- 15 0day head guard for 'devel-roam-smoke-201501311226'
# extra tests on tree/branch rcu/rcu/next
git bisect bad c418b8035fac0cc7d242e5de126cec1006a34bed # 15:52 47- 21 cpu: Stop newly offlined CPU from using RCU readers
# extra tests with first bad commit reverted
# extra tests on tree/branch linus/master
git bisect good 2141fd018156db0f29efb384f4d99ead23b48f18 # 16:04 198+ 0 Merge tag 'char-misc-3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
# extra tests on tree/branch next/master
git bisect good 827e3bdf1bb2401c1a1e5586eb3977d228d298b2 # 16:12 198+ 0 Add linux-next specific files for 20150130
This script may reproduce the error.
----------------------------------------------------------------------------
#!/bin/bash
kernel=$1
initrd=quantal-core-x86_64.cgz
wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/raw/master/initrd/$initrd
kvm=(
qemu-system-x86_64
-cpu kvm64
-enable-kvm
-kernel $kernel
-initrd $initrd
-m 320
-smp 2
-net nic,vlan=1,model=e1000
-net user,vlan=1
-boot order=nc
-no-reboot
-watchdog i6300esb
-rtc base=localtime
-serial stdio
-display none
-monitor null
)
append=(
hung_task_panic=1
earlyprintk=ttyS0,115200
debug
apic=debug
sysrq_always_enabled
rcupdate.rcu_cpu_stall_timeout=100
panic=-1
softlockup_panic=1
nmi_watchdog=panic
oops=panic
load_ramdisk=2
prompt_ramdisk=0
console=ttyS0,115200
console=tty0
vga=normal
root=/dev/ram0
rw
drbd.minor_count=8
)
"${kvm[@]}" --append "${append[*]}"
----------------------------------------------------------------------------
Thanks,
Fengguang
early console in setup code
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.19.0-rc1-gdd2b39b (kbuild@roam) (gcc version 4.9.1 (Debian 4.9.1-19) ) #10 SMP Sat Jan 31 14:26:30 CST 2015
[ 0.000000] 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 load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/x86_64-randconfig-r0-01311150/linux-devel:devel-roam-smoke-201501311226:dd2b39be8eee9d175c7842c30e405a5cbe50095a:bisect-linux-1/.vmlinuz-dd2b39be8eee9d175c7842c30e405a5cbe50095a-20150131142657-48-ivb41 branch=linux-devel/devel-roam-smoke-201501311226 BOOT_IMAGE=/kernel/x86_64-randconfig-r0-01311150/dd2b39be8eee9d175c7842c30e405a5cbe50095a/vmlinuz-3.19.0-rc1-gdd2b39b drbd.minor_count=8
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000013fdffff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000013fe0000-0x0000000013ffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] Hypervisor detected: KVM
[ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[ 0.000000] e820: last_pfn = 0x13fe0 max_arch_pfn = 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] 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 0x000f0eb0-0x000f0ebf] mapped at [ffff8800000f0eb0]
[ 0.000000] mpc: f0ec0-f0fa4
[ 0.000000] Base memory trampoline at [ffff880000099000] 99000 size 24576
[ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff]
[ 0.000000] [mem 0x00000000-0x000fffff] page 4k
[ 0.000000] BRK [0x03356000, 0x03356fff] PGTABLE
[ 0.000000] BRK [0x03357000, 0x03357fff] PGTABLE
[ 0.000000] BRK [0x03358000, 0x03358fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x12600000-0x127fffff]
[ 0.000000] [mem 0x12600000-0x127fffff] page 4k
[ 0.000000] BRK [0x03359000, 0x03359fff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x10000000-0x125fffff]
[ 0.000000] [mem 0x10000000-0x125fffff] page 4k
[ 0.000000] BRK [0x0335a000, 0x0335afff] PGTABLE
[ 0.000000] BRK [0x0335b000, 0x0335bfff] PGTABLE
[ 0.000000] init_memory_mapping: [mem 0x00100000-0x0fffffff]
[ 0.000000] [mem 0x00100000-0x0fffffff] page 4k
[ 0.000000] init_memory_mapping: [mem 0x12800000-0x13fdffff]
[ 0.000000] [mem 0x12800000-0x13fdffff] page 4k
[ 0.000000] RAMDISK: [mem 0x12925000-0x13fd7fff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F0C90 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x0000000013FE18BD 000034 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACP 0x0000000013FE0B37 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001)
[ 0.000000] ACPI: DSDT 0x0000000013FE0040 000AF7 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: FACS 0x0000000013FE0000 000040
[ 0.000000] ACPI: SSDT 0x0000000013FE0BAB 000C5A (v01 BOCHS BXPCSSDT 00000001 BXPC 00000001)
[ 0.000000] ACPI: APIC 0x0000000013FE1805 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001)
[ 0.000000] ACPI: HPET 0x0000000013FE1885 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001)
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000)
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x0000000013fdffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x12908000-0x12924fff]
[ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000000] kvm-clock: cpu 0, msr 0:12888001, primary cpu clock
[ 0.000000] [ffffea0000000000-ffffea00005fffff] PMD -> [ffff880011800000-ffff880011dfffff] on node 0
[ 0.000000] Zone ranges:
[ 0.000000] DMA32 [mem 0x00001000-0x13fdffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x00001000-0x0009efff]
[ 0.000000] node 0: [mem 0x00100000-0x13fdffff]
[ 0.000000] Initmem setup node 0 [mem 0x00001000-0x13fdffff]
[ 0.000000] On node 0 totalpages: 81790
[ 0.000000] DMA32 zone: 1280 pages used for memmap
[ 0.000000] DMA32 zone: 21 pages reserved
[ 0.000000] DMA32 zone: 81790 pages, LIFO batch:15
[ 0.000000] ACPI: PM-Timer IO Port: 0x608
[ 0.000000] ACPI: Local APIC address 0xfee00000
[ 0.000000] mapped APIC to ffffffffff57d000 ( fee00000)
[ 0.000000] ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
[ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x01] enabled)
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] ACPI: IOAPIC (id[0x00] address[0xfec00000] gsi_base[0])
[ 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] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[ 0.000000] mapped IOAPIC to ffffffffff57c000 (fec00000)
[ 0.000000] e820: [mem 0x14000000-0xfeffbfff] available for PCI devices
[ 0.000000] Booting paravirtualized kernel on KVM
[ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[ 0.000000] PERCPU: Embedded 30 pages/cpu @ffff880012400000 s83688 r8192 d31000 u1048576
[ 0.000000] pcpu-alloc: s83688 r8192 d31000 u1048576 alloc=1*2097152
[ 0.000000] pcpu-alloc: [0] 0 1
[ 0.000000] KVM setup async PF for cpu 0
[ 0.000000] kvm-stealtime: cpu 0, msr 1240d200
[ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 80489
[ 0.000000] Policy zone: DMA32
[ 0.000000] 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 load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw link=/kbuild-tests/run-queue/kvm/x86_64-randconfig-r0-01311150/linux-devel:devel-roam-smoke-201501311226:dd2b39be8eee9d175c7842c30e405a5cbe50095a:bisect-linux-1/.vmlinuz-dd2b39be8eee9d175c7842c30e405a5cbe50095a-20150131142657-48-ivb41 branch=linux-devel/devel-roam-smoke-201501311226 BOOT_IMAGE=/kernel/x86_64-randconfig-r0-01311150/dd2b39be8eee9d175c7842c30e405a5cbe50095a/vmlinuz-3.19.0-rc1-gdd2b39b drbd.minor_count=8
[ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.000000] Memory: 259652K/327160K available (7334K kernel code, 5518K rwdata, 5292K rodata, 1876K init, 14436K bss, 67508K reserved, 0K cma-reserved)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Running RCU self tests
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] NR_IRQS:524544 nr_irqs:440 16
[ 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: 32768
[ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.000000] ... CHAINHASH_SIZE: 32768
[ 0.000000] memory used by lock dependency info: 8159 kB
[ 0.000000] per task-struct memory footprint: 1920 bytes
[ 0.000000] hpet clockevent registered
[ 0.000000] tsc: Detected 2693.508 MHz processor
[ 0.008000] Calibrating delay loop (skipped) preset value.. 5387.01 BogoMIPS (lpj=10774032)
[ 0.008000] pid_max: default: 4096 minimum: 301
[ 0.008051] ACPI: Core revision 20141107
[ 0.015007] ACPI: All ACPI Tables successfully acquired
[ 0.016354] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.017723] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[ 0.018879] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.019967] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.021012] Initializing cgroup subsys memory
[ 0.021630] Initializing cgroup subsys freezer
[ 0.022270] Initializing cgroup subsys net_cls
[ 0.022904] Initializing cgroup subsys net_prio
[ 0.024018] Initializing cgroup subsys debug
[ 0.024712] mce: CPU supports 10 MCE banks
[ 0.025319] numa_add_cpu cpu 0 node 0: mask now 0
[ 0.025957] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.025957] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 0.028128] debug: unmapping init [mem 0xffffffff8253a000-0xffffffff8253cfff]
[ 0.030871] Getting VERSION: 1050014
[ 0.031396] Getting VERSION: 1050014
[ 0.032011] Getting ID: 0
[ 0.032451] Getting ID: ff000000
[ 0.032980] Getting LVT0: 8700
[ 0.033396] Getting LVT1: 8400
[ 0.033828] enabled ExtINT on CPU#0
[ 0.034828] ENABLING IO-APIC IRQs
[ 0.035164] init IO_APIC IRQs
[ 0.035526] apic 0 pin 0 not connected
[ 0.036061] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:1)
[ 0.036842] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[ 0.037598] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:1)
[ 0.038344] IOAPIC[0]: Set routing entry (0-3 -> 0x33 -> IRQ 3 Mode:0 Active:0 Dest:1)
[ 0.039099] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:1)
[ 0.040027] IOAPIC[0]: Set routing entry (0-5 -> 0x35 -> IRQ 5 Mode:1 Active:0 Dest:1)
[ 0.040788] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:1)
[ 0.041535] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:1)
[ 0.042288] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:1)
[ 0.043046] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:1)
[ 0.043799] IOAPIC[0]: Set routing entry (0-10 -> 0x3a -> IRQ 10 Mode:1 Active:0 Dest:1)
[ 0.044026] IOAPIC[0]: Set routing entry (0-11 -> 0x3b -> IRQ 11 Mode:1 Active:0 Dest:1)
[ 0.044798] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:1)
[ 0.045569] IOAPIC[0]: Set routing entry (0-13 -> 0x3d -> IRQ 13 Mode:0 Active:0 Dest:1)
[ 0.046342] IOAPIC[0]: Set routing entry (0-14 -> 0x3e -> IRQ 14 Mode:0 Active:0 Dest:1)
[ 0.047112] IOAPIC[0]: Set routing entry (0-15 -> 0x3f -> IRQ 15 Mode:0 Active:0 Dest:1)
[ 0.048035] apic 0 pin 16 not connected
[ 0.048757] apic 0 pin 17 not connected
[ 0.049455] apic 0 pin 18 not connected
[ 0.050168] apic 0 pin 19 not connected
[ 0.052008] apic 0 pin 20 not connected
[ 0.052725] apic 0 pin 21 not connected
[ 0.053429] apic 0 pin 22 not connected
[ 0.054142] apic 0 pin 23 not connected
[ 0.055022] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.056009] smpboot: CPU0: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01)
[ 0.058187] Using local APIC timer interrupts.
[ 0.058187] calibrating APIC timer ...
[ 0.064000] ... lapic delta = 6249605
[ 0.064000] ... PM-Timer delta = 357912
[ 0.064000] ... PM-Timer result ok
[ 0.064000] ..... delta 6249605
[ 0.064000] ..... mult: 268418490
[ 0.064000] ..... calibration result: 3999747
[ 0.064000] ..... CPU clock speed is 2693.0801 MHz.
[ 0.064000] ..... host bus clock speed is 999.3747 MHz.
[ 0.064096] Performance Events: unsupported Netburst CPU model 6 no PMU driver, software events only.
[ 0.066874] NMI watchdog: disabled (cpu0): hardware events not enabled
[ 0.068619] x86: Booting SMP configuration:
[ 0.069550] .... node #0, CPUs: #1
[ 0.008000] kvm-clock: cpu 1, msr 0:12888041, secondary cpu clock
[ 0.008000] masked ExtINT on CPU#1
[ 0.008000] numa_add_cpu cpu 1 node 0: mask now 0-1
[ 0.084241] x86: Booted up 1 node, 2 CPUs
[ 0.084191] KVM setup async PF for cpu 1
[ 0.084191] kvm-stealtime: cpu 1, msr 1250d200
[ 0.088769] smpboot: Total of 2 processors activated (10774.03 BogoMIPS)
[ 0.092091] devtmpfs: initialized
[ 0.103741] prandom: seed boundary self test passed
[ 0.104794] prandom: 100 self tests passed
[ 0.106142] regulator-dummy: no parameters
[ 0.107419] NET: Registered protocol family 16
[ 0.112106] cpuidle: using governor ladder
[ 0.116050] cpuidle: using governor menu
[ 0.117118] ACPI: bus type PCI registered
[ 0.117867] PCI: Using configuration type 1 for base access
[ 0.120097] Running resizable hashtable tests...
[ 0.120853] Adding 2048 keys
[ 0.217339] Traversal complete: counted=2048, nelems=2048, entries=2048
[ 0.219246] Table expansion iteration 0...
[ 0.232139] Verifying lookups...
[ 0.233457] Table expansion iteration 1...
[ 0.244212] Verifying lookups...
[ 0.245566] Table expansion iteration 2...
[ 0.256359] Verifying lookups...
[ 0.257696] Table expansion iteration 3...
[ 0.264550] Verifying lookups...
[ 0.265771] Table shrinkage iteration 0...
[ 0.268063] Verifying lookups...
[ 0.269277] Table shrinkage iteration 1...
[ 0.272053] Verifying lookups...
[ 0.273276] Table shrinkage iteration 2...
[ 0.276048] Verifying lookups...
[ 0.277294] Table shrinkage iteration 3...
[ 0.280047] Verifying lookups...
[ 0.282118] Traversal complete: counted=2048, nelems=2048, entries=2048
[ 0.282981] Deleting 2048 keys
[ 0.324175] ACPI: Added _OSI(Module Device)
[ 0.324734] ACPI: Added _OSI(Processor Device)
[ 0.325313] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.325912] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.329359] IOAPIC[0]: Set routing entry (0-9 -> 0x39 -> IRQ 9 Mode:1 Active:0 Dest:3)
[ 0.335760] ACPI: Interpreter enabled
[ 0.336011] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_] (20141107/hwxface-580)
[ 0.337214] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20141107/hwxface-580)
[ 0.338453] ACPI: (supports S0 S3 S5)
[ 0.338932] ACPI: Using IOAPIC for interrupt routing
[ 0.339587] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 0.365344] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.368018] acpi PNP0A03:00: _OSC: OS supports [Segments]
[ 0.369088] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[ 0.371024] PCI host bridge to bus 0000:00
[ 0.372012] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.372993] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7]
[ 0.373953] pci_bus 0000:00: root bus resource [io 0x0d00-0xadff]
[ 0.374727] pci_bus 0000:00: root bus resource [io 0xae0f-0xaeff]
[ 0.375507] pci_bus 0000:00: root bus resource [io 0xaf20-0xafdf]
[ 0.376008] pci_bus 0000:00: root bus resource [io 0xafe4-0xffff]
[ 0.376796] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff]
[ 0.377667] pci_bus 0000:00: root bus resource [mem 0x14000000-0xfebfffff]
[ 0.378632] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 0.380575] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[ 0.382181] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[ 0.386282] pci 0000:00:01.1: reg 0x20: [io 0xc040-0xc04f]
[ 0.388613] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.389884] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.391027] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.392009] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.396212] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 0.397893] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI
[ 0.400026] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB
[ 0.401835] pci 0000:00:02.0: [1013:00b8] type 00 class 0x030000
[ 0.404664] pci 0000:00:02.0: reg 0x10: [mem 0xfc000000-0xfdffffff pref]
[ 0.407223] pci 0000:00:02.0: reg 0x14: [mem 0xfebf0000-0xfebf0fff]
[ 0.414670] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[ 0.416563] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[ 0.418708] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[ 0.421033] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f]
[ 0.426913] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[ 0.428443] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000
[ 0.429926] pci 0000:00:04.0: reg 0x10: [mem 0xfebf1000-0xfebf100f]
[ 0.436309] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[ 0.437658] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[ 0.438974] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[ 0.440281] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[ 0.441316] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[ 0.443295] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 0.444517] vgaarb: setting as boot device: PCI:0000:00:02.0
[ 0.444517] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.444517] vgaarb: loaded
[ 0.444517] vgaarb: bridge control possible 0000:00:02.0
[ 0.445397] pps_core: LinuxPPS API ver. 1 registered
[ 0.446290] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
[ 0.448096] PCI: Using ACPI for IRQ routing
[ 0.448868] PCI: pci_cache_line_size set to 64 bytes
[ 0.450026] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[ 0.451070] e820: reserve RAM buffer [mem 0x13fe0000-0x13ffffff]
[ 0.460045] Switched to clocksource kvm-clock
[ 0.461646] Warning: could not register all branches stats
[ 0.462501] Warning: could not register annotated branches stats
[ 0.564347] pnp: PnP ACPI init
[ 0.565076] IOAPIC[0]: Set routing entry (0-8 -> 0x38 -> IRQ 8 Mode:0 Active:0 Dest:3)
[ 0.566600] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.567841] IOAPIC[0]: Set routing entry (0-1 -> 0x31 -> IRQ 1 Mode:0 Active:0 Dest:3)
[ 0.569254] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[ 0.570501] IOAPIC[0]: Set routing entry (0-12 -> 0x3c -> IRQ 12 Mode:0 Active:0 Dest:3)
[ 0.571937] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[ 0.573072] IOAPIC[0]: Set routing entry (0-6 -> 0x36 -> IRQ 6 Mode:0 Active:0 Dest:3)
[ 0.574194] pnp 00:03: [dma 2]
[ 0.574774] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[ 0.576029] IOAPIC[0]: Set routing entry (0-7 -> 0x37 -> IRQ 7 Mode:0 Active:0 Dest:3)
[ 0.577458] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[ 0.578714] IOAPIC[0]: Set routing entry (0-4 -> 0x34 -> IRQ 4 Mode:0 Active:0 Dest:3)
[ 0.580124] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[ 0.582349] pnp: PnP ACPI: found 6 devices
[ 0.588689] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7]
[ 0.589671] pci_bus 0000:00: resource 5 [io 0x0d00-0xadff]
[ 0.590638] pci_bus 0000:00: resource 6 [io 0xae0f-0xaeff]
[ 0.591577] pci_bus 0000:00: resource 7 [io 0xaf20-0xafdf]
[ 0.592528] pci_bus 0000:00: resource 8 [io 0xafe4-0xffff]
[ 0.593492] pci_bus 0000:00: resource 9 [mem 0x000a0000-0x000bffff]
[ 0.594561] pci_bus 0000:00: resource 10 [mem 0x14000000-0xfebfffff]
[ 0.595737] NET: Registered protocol family 2
[ 0.597382] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.598795] TCP bind hash table entries: 4096 (order: 6, 262144 bytes)
[ 0.600822] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.601984] TCP: reno registered
[ 0.602597] UDP hash table entries: 256 (order: 3, 40960 bytes)
[ 0.603661] UDP-Lite hash table entries: 256 (order: 3, 40960 bytes)
[ 0.605144] NET: Registered protocol family 1
[ 0.605923] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 0.606897] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[ 0.607844] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[ 0.608881] pci 0000:00:02.0: Video device with shadowed ROM
[ 0.609857] PCI: CLS 0 bytes, default 64
[ 0.610924] Unpacking initramfs...
[ 1.687420] debug: unmapping init [mem 0xffff880012925000-0xffff880013fd7fff]
[ 1.690572] Machine check injector initialized
[ 1.692324] twofish-x86_64-3way: performance on this CPU would be suboptimal: disabling twofish-x86_64-3way.
[ 1.693789] sha512_ssse3: Neither AVX nor SSSE3 is available/usable.
[ 1.694759] AVX instructions are not detected.
[ 1.695434] AVX instructions are not detected.
[ 1.696127] AVX2 instructions are not detected.
[ 1.696937] rcu-torture:--- Start of test: nreaders=1 nfakewriters=4 stat_interval=60 verbose=1 test_no_idle_hz=1 shuffle_interval=3 stutter=5 irqreader=1 fqs_duration=0 fqs_holdoff=0 fqs_stutter=3 test_boost=1/0 test_boost_interval=7 test_boost_duration=4 shutdown_secs=0 stall_cpu=0 stall_cpu_holdoff=10 n_barrier_cbs=0 onoff_interval=0 onoff_holdoff=0
[ 1.701632] rcu-torture: Creating rcu_torture_writer task
[ 1.702549] rcu-torture: rcu_torture_writer task started
[ 1.703409] rcu-torture: Creating rcu_torture_fakewriter task
[ 1.704396] rcu-torture: rcu_torture_fakewriter task started
[ 1.716467] rcu-torture: Creating rcu_torture_fakewriter task
[ 1.717663] rcu-torture: Creating rcu_torture_fakewriter task
[ 1.718574] rcu-torture: rcu_torture_fakewriter task started
[ 1.719510] rcu-torture: Creating rcu_torture_fakewriter task
[ 1.720291] rcu-torture: rcu_torture_fakewriter task started
[ 1.721165] rcu-torture: Creating rcu_torture_reader task
[ 1.722106] rcu-torture: rcu_torture_reader task started
[ 1.734524] rcu-torture: rcu_torture_fakewriter task started
[ 1.735378] rcu-torture: Creating rcu_torture_stats task
[ 1.748763] rcu-torture: rcu_torture_stats task started
[ 1.750152] rcu-torture: Creating torture_shuffle task
[ 1.751021] rcu-torture: torture_shuffle task started
[ 1.751753] rcu-torture: Creating torture_stutter task
[ 1.753081] rcu-torture: torture_stutter task started
[ 1.753876] rcu-torture: Creating rcu_torture_cbflood task
[ 1.767895] futex hash table entries: 16 (order: -1, 2048 bytes)
[ 1.768791] Initialise system trusted keyring
[ 1.769753] audit: initializing netlink subsys (disabled)
[ 1.770842] audit: type=2000 audit(1422685591.829:1): initialized
[ 1.772722] rcu-torture: rcu_torture_cbflood task started
[ 1.774017] zbud: loaded
[ 1.788126] fuse init (API version 7.23)
[ 1.806254] NET: Registered protocol family 38
[ 1.806912] Key type asymmetric registered
[ 1.807469] Asymmetric key parser 'x509' registered
[ 1.810243] crc32: CRC_LE_BITS = 8, CRC_BE BITS = 8
[ 1.810913] crc32: self tests passed, processed 225944 bytes in 649394 nsec
[ 1.812523] crc32c: CRC_LE_BITS = 8
[ 1.813030] crc32c: self tests passed, processed 225944 bytes in 324877 nsec
[ 1.850266] crc32_combine: 8373 self tests passed
[ 1.887457] crc32c_combine: 8373 self tests passed
[ 1.888249] rbtree testing -> 25922 cycles
[ 2.960534] augmented rbtree testing -> 37812 cycles
[ 4.506730] tsc: Refined TSC clocksource calibration: 2693.507 MHz
[ 4.506799] ipmi message handler version 39.2
[ 4.506826] IPMI System Interface driver.
[ 4.506970] ipmi_si: Adding default-specified kcs state machine
[ 4.506973] ipmi_si: Trying default-specified kcs state machine at i/o address 0xca2, slave address 0x0, irq 0
[ 4.507526] ipmi_si: Interface detection failed
[ 4.551449] ipmi_si: Adding default-specified smic state machine
[ 4.552392] ipmi_si: Trying default-specified smic state machine at i/o address 0xca9, slave address 0x0, irq 0
[ 4.553958] ipmi_si: Interface detection failed
[ 4.560988] ipmi_si: Adding default-specified bt state machine
[ 4.561779] ipmi_si: Trying default-specified bt state machine at i/o address 0xe4, slave address 0x0, irq 0
[ 4.563019] ipmi_si: Interface detection failed
[ 4.569085] ipmi_si: Unable to find any System Interface(s)
[ 4.569825] IPMI SSIF Interface driver
[ 4.570390] IPMI Watchdog: driver initialized
[ 4.570955] Copyright (C) 2004 MontaVista Software - IPMI Powerdown via sys_reboot.
[ 4.571915] IPMI poweroff: Unable to register powercycle sysctl
[ 4.572865] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 4.573861] ACPI: Power Button [PWRF]
[ 4.602960] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[ 4.652261] serial 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 4.655912] lp: driver loaded but no devices found
[ 4.656553] Hangcheck: starting hangcheck timer 0.9.1 (tick is 180 seconds, margin is 60 seconds).
[ 4.657768] [drm] Initialized drm 1.1.0 20060810
[ 4.658716] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 4.660763] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 4.661470] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 4.662754] mousedev: PS/2 mouse device common for all mice
[ 4.664150] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
[ 4.669630] advantechwdt: WDT driver for Advantech single board computer initialising
[ 4.679729] advantechwdt: initialized. timeout=60 sec (nowayout=0)
[ 4.680812] sbc60xxwdt: I/O address 0x0443 already in use
[ 4.681649] wbsd: Winbond W83L51xD SD/MMC card interface driver
[ 4.682413] wbsd: Copyright(c) Pierre Ossman
[ 4.685640] panel: driver version 0.9.5 not yet registered
[ 4.687029] GACT probability NOT on
[ 4.687508] Mirror/redirect action on
[ 4.688001] netem: version 1.3
[ 4.688499] Netfilter messages via NETLINK v0.30.
[ 4.689185] nf_conntrack version 0.5.0 (2028 buckets, 8112 max)
[ 4.690422] IPVS: Registered protocols (UDP, SCTP)
[ 4.691091] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[ 4.692001] IPVS: Each connection entry needs 400 bytes at least
[ 4.692815] IPVS: Creating netns size=2032 id=0
[ 4.769936] IPVS: ipvs loaded.
[ 4.770607] IPVS: [lc] scheduler registered.
[ 4.779748] IPVS: [lblc] scheduler registered.
[ 4.780659] gre: GRE over IPv4 demultiplexor driver
[ 4.781949] TCP: cubic registered
[ 4.789127] Initializing XFRM netlink socket
[ 4.790110] NET: Registered protocol family 10
[ 4.792333] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 4.793544] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this_______________________________________________
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