early console in setup code
[    0.000000] Linux version 5.0.0-rc2-00037-g2284cf5 (kbuild@lkp-hsx02) (gcc version 5.4.1 20171010 (Debian 5.5.0-3)) #2 Sat Feb 2 17:20:13 CST 2019
[    0.000000] Command line: ip=::::vm-snb-8G-423::dhcp root=/dev/ram0 user=lkp job=/lkp/jobs/scheduled/vm-snb-8G-423/rcutorture-300s-cpuhotplug-rcu-debian-x86_64-2018-04-03.cgz-2284cf59cbcec2f17e50139e2db6d6d761521cd3-20190210-63606-zjqieb-6.yaml ARCH=x86_64 kconfig=x86_64-randconfig-u0-02021005 branch=vfs/R48 commit=2284cf59cbcec2f17e50139e2db6d6d761521cd3 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/vmlinuz-5.0.0-rc2-00037-g2284cf5 rcutorture.fwd_progress=0 max_uptime=1500 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-rcu/vm-snb-8G/debian-x86_64-2018-04-03.cgz/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/8 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,11
[    0.000000] x86/fpu: x87 FPU will use FXSAVE
[    0.000000] 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 0x0000000000100000-0x00000000bffd1fff] usable
[    0.000000] BIOS-e820: [mem 0x00000000bffd2000-0x00000000bfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable
[    0.000000] printk: debug: ignoring loglevel setting.
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] Hypervisor detected: KVM
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000006] kvm-clock: cpu 0, msr 2e001001, primary cpu clock
[    0.000007] kvm-clock: using sched offset of 3141094009 cycles
[    0.000053] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.000133] tsc: Detected 2127.998 MHz processor
[    0.012193] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.012258] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.012331] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[    0.012429] MTRR default type: write-back
[    0.012468] MTRR fixed ranges enabled:
[    0.012508]   00000-9FFFF write-back
[    0.012548]   A0000-BFFFF uncachable
[    0.012589]   C0000-FFFFF write-protect
[    0.012627] MTRR variable ranges enabled:
[    0.012668]   0 base 00C0000000 mask FFC0000000 uncachable
[    0.012706]   1 disabled
[    0.012742]   2 disabled
[    0.012796]   3 disabled
[    0.012832]   4 disabled
[    0.012869]   5 disabled
[    0.012906]   6 disabled
[    0.012943]   7 disabled
[    0.013019] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC  
[    0.013065] last_pfn = 0xbffd2 max_arch_pfn = 0x400000000
[    0.013104] Scan for SMP in [mem 0x00000000-0x000003ff]
[    0.013223] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[    0.013335] Scan for SMP in [mem 0x000f0000-0x000fffff]
[    0.028242] found SMP MP-table at [mem 0x000f6a50-0x000f6a5f] mapped at [(____ptrval____)]
[    0.028298]   mpc: f6a60-f6b7c
[    0.029309] Base memory trampoline at [(____ptrval____)] 99000 size 24576
[    0.029618] BRK [0x2e200000, 0x2e200fff] PGTABLE
[    0.029664] BRK [0x2e201000, 0x2e201fff] PGTABLE
[    0.029705] BRK [0x2e202000, 0x2e202fff] PGTABLE
[    0.030405] BRK [0x2e203000, 0x2e203fff] PGTABLE
[    0.039087] BRK [0x2e204000, 0x2e204fff] PGTABLE
[    0.040706] BRK [0x2e205000, 0x2e205fff] PGTABLE
[    0.042304] BRK [0x2e206000, 0x2e206fff] PGTABLE
[    0.043953] BRK [0x2e207000, 0x2e207fff] PGTABLE
[    0.046912] RAMDISK: [mem 0x794ba000-0x7fffffff]
[    0.047057] ACPI: Early table checksum verification disabled
[    0.047471] ACPI: RSDP 0x00000000000F6820 000014 (v00 BOCHS )
[    0.047525] ACPI: RSDT 0x00000000BFFE1936 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.047591] ACPI: FACP 0x00000000BFFE180A 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.047662] ACPI: DSDT 0x00000000BFFE0040 0017CA (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.047725] ACPI: FACS 0x00000000BFFE0000 000040
[    0.047798] ACPI: APIC 0x00000000BFFE187E 000080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.047861] ACPI: HPET 0x00000000BFFE18FE 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.047935] ACPI: Local APIC address 0xfee00000
[    0.047996] mapped APIC to ffffffffff5fc000 (        fee00000)
[    0.049434] Zone ranges:
[    0.049470]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.049510]   DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
[    0.049552]   Normal   [mem 0x0000000100000000-0x000000023fffffff]
[    0.049594] Movable zone start for each node
[    0.049629] Early memory node ranges
[    0.049666]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.049705]   node   0: [mem 0x0000000000100000-0x00000000bffd1fff]
[    0.049744]   node   0: [mem 0x0000000100000000-0x000000023fffffff]
[    0.051564] Zeroed struct page in unavailable ranges: 144 pages
[    0.051576] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff]
[    0.051636] On node 0 totalpages: 2097008
[    0.051681]   DMA zone: 64 pages used for memmap
[    0.051714]   DMA zone: 21 pages reserved
[    0.051748]   DMA zone: 3998 pages, LIFO batch:0
[    0.060963]   DMA32 zone: 12224 pages used for memmap
[    0.061009]   DMA32 zone: 782290 pages, LIFO batch:63
[    0.375316]   Normal zone: 20480 pages used for memmap
[    0.375376]   Normal zone: 1310720 pages, LIFO batch:63
[    1.457623] kasan: KernelAddressSanitizer initialized
[    1.462753] ACPI: PM-Timer IO Port: 0x608
[    1.462825] ACPI: Local APIC address 0xfee00000
[    1.462886] APIC: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored.
[    1.462936] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    1.463107] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    1.463185] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    1.463233] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
[    1.463276] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    1.463320] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
[    1.463363] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    1.463406] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
[    1.463450] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    1.463494] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
[    1.463538] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    1.463581] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
[    1.463625] ACPI: IRQ0 used by override.
[    1.463669] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
[    1.463714] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
[    1.463758] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
[    1.463816] ACPI: IRQ5 used by override.
[    1.463861] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
[    1.463906] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
[    1.463953] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
[    1.463995] ACPI: IRQ9 used by override.
[    1.464034] ACPI: IRQ10 used by override.
[    1.464073] ACPI: IRQ11 used by override.
[    1.464118] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
[    1.464166] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
[    1.464213] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
[    1.464261] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
[    1.464311] Using ACPI (MADT) for SMP configuration information
[    1.464353] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    1.464423] mapped IOAPIC to ffffffffff5fb000 (fec00000)
[    1.464555] KVM setup async PF for cpu 0
[    1.464600] kvm-stealtime: cpu 0, msr 2be7dc80
[    1.464846] [mem 0xc0000000-0xfeffbfff] available for PCI devices
[    1.464885] Booting paravirtualized kernel on KVM
[    1.464929] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370452778343963 ns
[    2.821428] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[    2.821465] pcpu-alloc: [0] 0 
[    2.821612] Built 1 zonelists, mobility grouping on.  Total pages: 2064219
[    2.821674] Kernel command line: ip=::::vm-snb-8G-423::dhcp root=/dev/ram0 user=lkp job=/lkp/jobs/scheduled/vm-snb-8G-423/rcutorture-300s-cpuhotplug-rcu-debian-x86_64-2018-04-03.cgz-2284cf59cbcec2f17e50139e2db6d6d761521cd3-20190210-63606-zjqieb-6.yaml ARCH=x86_64 kconfig=x86_64-randconfig-u0-02021005 branch=vfs/R48 commit=2284cf59cbcec2f17e50139e2db6d6d761521cd3 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/vmlinuz-5.0.0-rc2-00037-g2284cf5 rcutorture.fwd_progress=0 max_uptime=1500 RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-rcu/vm-snb-8G/debian-x86_64-2018-04-03.cgz/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/8 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=t
[    2.823645] sysrq: sysrq always enabled.
[    2.831198] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    2.833718] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    3.462648] Memory: 6953148K/8388032K available (14339K kernel code, 6224K rwdata, 5520K rodata, 1332K init, 25464K bss, 1434884K reserved, 0K cma-reserved)
[    3.465202] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    3.465231] Kernel/User page tables isolation: enabled
[    3.465660] 
[    3.465686] **********************************************************
[    3.465711] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    3.465736] **                                                      **
[    3.465761] ** trace_printk() being used. Allocating extra memory.  **
[    3.465804] **                                                      **
[    3.465829] ** This means that this is a DEBUG kernel and it is     **
[    3.465854] ** unsafe for production use.                           **
[    3.465885] **                                                      **
[    3.465919] ** If you see this message and you are not debugging    **
[    3.465948] ** the kernel, report this immediately to your vendor!  **
[    3.465978] **                                                      **
[    3.466007] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    3.466037] **********************************************************
[    3.475860] Running RCU self tests
[    3.481475] NR_IRQS: 4352, nr_irqs: 256, preallocated irqs: 16
[    3.722841] printk: console [ttyS0] enabled
[    3.723792] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    3.725454] ... MAX_LOCKDEP_SUBCLASSES:  8
[    3.726316] ... MAX_LOCK_DEPTH:          48
[    3.727194] ... MAX_LOCKDEP_KEYS:        8191
[    3.728173] ... CLASSHASH_SIZE:          4096
[    3.729143] ... MAX_LOCKDEP_ENTRIES:     32768
[    3.730189] ... MAX_LOCKDEP_CHAINS:      65536
[    3.731176] ... CHAINHASH_SIZE:          32768
[    3.732190]  memory used by lock dependency info: 7775 kB
[    3.733443]  per task-struct memory footprint: 2688 bytes
[    3.734670] ACPI: Core revision 20181213
[    3.737557] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    3.739916] hpet clockevent registered
[    3.741440] APIC: Switch to symmetric I/O mode setup
[    3.742921] x2apic enabled
[    3.744113] Switched APIC routing to physical x2apic.
[    3.745283] enabled ExtINT on CPU#0
[    3.747512] ENABLING IO-APIC IRQs
[    3.748379] init IO_APIC IRQs
[    3.749091]  apic 0 pin 0 not connected
[    3.750463] IOAPIC[0]: Set routing entry (0-1 -> 0xef -> IRQ 1 Mode:0 Active:0 Dest:0)
[    3.752598] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:0)
[    3.754628] IOAPIC[0]: Set routing entry (0-3 -> 0xef -> IRQ 3 Mode:0 Active:0 Dest:0)
[    3.757615] IOAPIC[0]: Set routing entry (0-4 -> 0xef -> IRQ 4 Mode:0 Active:0 Dest:0)
[    3.760909] IOAPIC[0]: Set routing entry (0-5 -> 0xef -> IRQ 5 Mode:1 Active:0 Dest:0)
[    3.764107] IOAPIC[0]: Set routing entry (0-6 -> 0xef -> IRQ 6 Mode:0 Active:0 Dest:0)
[    3.767312] IOAPIC[0]: Set routing entry (0-7 -> 0xef -> IRQ 7 Mode:0 Active:0 Dest:0)
[    3.770423] IOAPIC[0]: Set routing entry (0-8 -> 0xef -> IRQ 8 Mode:0 Active:0 Dest:0)
[    3.773443] IOAPIC[0]: Set routing entry (0-9 -> 0xef -> IRQ 9 Mode:1 Active:0 Dest:0)
[    3.776539] IOAPIC[0]: Set routing entry (0-10 -> 0xef -> IRQ 10 Mode:1 Active:0 Dest:0)
[    3.779684] IOAPIC[0]: Set routing entry (0-11 -> 0xef -> IRQ 11 Mode:1 Active:0 Dest:0)
[    3.782806] IOAPIC[0]: Set routing entry (0-12 -> 0xef -> IRQ 12 Mode:0 Active:0 Dest:0)
[    3.786129] IOAPIC[0]: Set routing entry (0-13 -> 0xef -> IRQ 13 Mode:0 Active:0 Dest:0)
[    3.789232] IOAPIC[0]: Set routing entry (0-14 -> 0xef -> IRQ 14 Mode:0 Active:0 Dest:0)
[    3.792499] IOAPIC[0]: Set routing entry (0-15 -> 0xef -> IRQ 15 Mode:0 Active:0 Dest:0)
[    3.795588]  apic 0 pin 16 not connected
[    3.797242]  apic 0 pin 17 not connected
[    3.798750]  apic 0 pin 18 not connected
[    3.800288]  apic 0 pin 19 not connected
[    3.801825]  apic 0 pin 20 not connected
[    3.803182]  apic 0 pin 21 not connected
[    3.804743]  apic 0 pin 22 not connected
[    3.806230]  apic 0 pin 23 not connected
[    3.808092] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    3.810364] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1eac813fa53, max_idle_ns: 440795210049 ns
[    3.814105] Calibrating delay loop (skipped) preset value.. 4257.32 BogoMIPS (lpj=7093326)
[    3.815942] pid_max: default: 4096 minimum: 301
[    3.819105] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    3.820764] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    3.827908] *** VALIDATE proc ***
[    3.829970] *** VALIDATE cgroup1 ***
[    3.830798] *** VALIDATE cgroup2 ***
[    3.831777] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    3.832919] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    3.834123] CPU: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1)
[    3.836129] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available!
[    3.836135] Speculative Store Bypass: Vulnerable
[    3.843684] Performance Events: unsupported p6 CPU model 42 no PMU driver, software events only.
[    3.854018] TSC deadline timer enabled
[    3.855148] devtmpfs: initialized
[    3.870303] random: get_random_u32 called from bucket_table_alloc+0xbe/0x210 with crng_init=0
[    3.874755] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370867519511994 ns
[    3.877500] futex hash table entries: 16 (order: -2, 1536 bytes)
[    3.880324] prandom: seed boundary self test passed
[    3.884996] prandom: 100 self tests passed
[    3.889932] regulator-dummy: no parameters
[    3.892348] regulator-dummy: no parameters
[    3.893966] regulator-dummy: Failed to create debugfs directory
[    3.898452] NET: Registered protocol family 16
[    3.913530] cpuidle: using governor menu
[    3.917995] random: get_random_bytes called from kcmp_cookies_init+0x4f/0xa3 with crng_init=0
[    3.920764] ACPI: bus type PCI registered
[    3.922739] dca service started, version 1.12.1
[    3.924444] PCI: Using configuration type 1 for base access
[    3.999226] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    4.002661] cryptd: max_cpu_qlen set to 1000
[    4.005203] ACPI: Added _OSI(Module Device)
[    4.006553] ACPI: Added _OSI(Processor Device)
[    4.007475] ACPI: Added _OSI(3.0 _SCP Extensions)
[    4.008676] ACPI: Added _OSI(Processor Aggregator Device)
[    4.010286] ACPI: Added _OSI(Linux-Dell-Video)
[    4.010851] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[    4.012546] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[    4.129521] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    4.171083] ACPI: Interpreter enabled
[    4.172241] ACPI: (supports S0 S5)
[    4.173204] ACPI: Using IOAPIC for interrupt routing
[    4.174708] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    4.186006] ACPI: Enabled 3 GPEs in block 00 to 0F
[    4.463061] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    4.464252] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    4.469238] PCI host bridge to bus 0000:00
[    4.470307] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    4.470836] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    4.472413] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    4.474165] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    4.475987] pci_bus 0000:00: root bus resource [bus 00-ff]
[    4.477535] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[    4.491703] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[    4.502862] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[    4.527483] pci 0000:00:01.1: reg 0x20: [io  0xc200-0xc20f]
[    4.537533] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
[    4.539230] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
[    4.540790] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
[    4.542457] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
[    4.553208] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[    4.555469] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI
[    4.557190] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB
[    4.566981] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[    4.574183] pci 0000:00:02.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref]
[    4.590849] pci 0000:00:02.0: reg 0x18: [mem 0xfebf0000-0xfebf0fff]
[    4.617527] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[    4.630764] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[    4.637521] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[    4.647503] pci 0000:00:03.0: reg 0x14: [io  0xc000-0xc03f]
[    4.684192] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[    4.698260] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000
[    4.704172] pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
[    4.714165] pci 0000:00:04.0: reg 0x14: [mem 0xfebf1000-0xfebf1fff]
[    4.734155] pci 0000:00:04.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref]
[    4.756660] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000
[    4.764145] pci 0000:00:05.0: reg 0x10: [io  0xc080-0xc0bf]
[    4.774156] pci 0000:00:05.0: reg 0x14: [mem 0xfebf2000-0xfebf2fff]
[    4.797500] pci 0000:00:05.0: reg 0x20: [mem 0xfe004000-0xfe007fff 64bit pref]
[    4.822140] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000
[    4.830804] pci 0000:00:06.0: reg 0x10: [io  0xc0c0-0xc0ff]
[    4.837484] pci 0000:00:06.0: reg 0x14: [mem 0xfebf3000-0xfebf3fff]
[    4.860806] pci 0000:00:06.0: reg 0x20: [mem 0xfe008000-0xfe00bfff 64bit pref]
[    4.887386] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000
[    4.894137] pci 0000:00:07.0: reg 0x10: [io  0xc100-0xc13f]
[    4.904135] pci 0000:00:07.0: reg 0x14: [mem 0xfebf4000-0xfebf4fff]
[    4.924163] pci 0000:00:07.0: reg 0x20: [mem 0xfe00c000-0xfe00ffff 64bit pref]
[    4.954096] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000
[    4.960835] pci 0000:00:08.0: reg 0x10: [io  0xc140-0xc17f]
[    4.972875] pci 0000:00:08.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff]
[    4.994168] pci 0000:00:08.0: reg 0x20: [mem 0xfe010000-0xfe013fff 64bit pref]
[    5.024347] pci 0000:00:09.0: [1af4:1001] type 00 class 0x010000
[    5.030815] pci 0000:00:09.0: reg 0x10: [io  0xc180-0xc1bf]
[    5.040813] pci 0000:00:09.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff]
[    5.064164] pci 0000:00:09.0: reg 0x20: [mem 0xfe014000-0xfe017fff 64bit pref]
[    5.086726] pci 0000:00:0a.0: [1af4:1001] type 00 class 0x010000
[    5.094136] pci 0000:00:0a.0: reg 0x10: [io  0xc1c0-0xc1ff]
[    5.104132] pci 0000:00:0a.0: reg 0x14: [mem 0xfebf7000-0xfebf7fff]
[    5.130845] pci 0000:00:0a.0: reg 0x20: [mem 0xfe018000-0xfe01bfff 64bit pref]
[    5.153798] pci 0000:00:0b.0: [8086:25ab] type 00 class 0x088000
[    5.160826] pci 0000:00:0b.0: reg 0x10: [mem 0xfebf8000-0xfebf800f]
[    5.208067] pci_bus 0000:00: on NUMA node 0
[    5.235380] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    5.243152] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    5.250208] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    5.256906] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    5.260027] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    5.275720] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[    5.277237] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    5.277524] pci 0000:00:02.0: vgaarb: bridge control possible
[    5.278927] vgaarb: loaded
[    5.283053] ACPI: bus type USB registered
[    5.288373] usbcore: registered new interface driver usbfs
[    5.290296] usbcore: registered new interface driver hub
[    5.291189] usbcore: registered new device driver usb
[    5.294805] pps_core: LinuxPPS API ver. 1 registered
[    5.296021] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    5.297707] PTP clock support registered
[    5.300562] FPGA manager framework
[    5.301465] PCI: Using ACPI for IRQ routing
[    5.302509] PCI: pci_cache_line_size set to 64 bytes
[    5.306449] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    5.307590] e820: reserve RAM buffer [mem 0xbffd2000-0xbfffffff]
[    5.319856] clocksource: Switched to clocksource kvm-clock
[    5.773653] *** VALIDATE hugetlbfs ***
[    5.775005] ==================================================================
[    5.777052] BUG: KASAN: global-out-of-bounds in fs_validate_description+0xeb/0x3c0
[    5.778184] Read of size 8 at addr ffffffffafade9b0 by task swapper/1
[    5.778184] 
[    5.778184] CPU: 0 PID: 1 Comm: swapper Not tainted 5.0.0-rc2-00037-g2284cf5 #2
[    5.778184] Call Trace:
[    5.778184]  print_address_description+0x1dd/0x290
[    5.778184]  ? fs_validate_description+0xeb/0x3c0
[    5.778184]  ? fs_validate_description+0xeb/0x3c0
[    5.778184]  kasan_report+0x134/0x1a4
[    5.778184]  ? f_dupfd+0xa0/0xf0
[    5.778184]  ? fs_validate_description+0xeb/0x3c0
[    5.778184]  fs_validate_description+0xeb/0x3c0
[    5.778184]  ? kmem_cache_create_usercopy+0xa2/0x2f0
[    5.778184]  register_filesystem+0x23/0xc0
[    5.778184]  init_hugetlbfs_fs+0xc3/0x286
[    5.778184]  ? init_ramfs_fs+0x7c/0x7c
[    5.778184]  do_one_initcall+0xb3/0x300
[    5.778184]  ? initcall_blacklisted+0x120/0x120
[    5.778184]  ? check_flags+0x1d0/0x270
[    5.778184]  ? __lock_is_held+0x37/0xd0
[    5.778184]  kernel_init_freeable+0x418/0x66c
[    5.778184]  ? rest_init+0x140/0x140
[    5.778184]  kernel_init+0xf/0x120
[    5.778184]  ? _raw_spin_unlock_irq+0x29/0x40
[    5.778184]  ? rest_init+0x140/0x140
[    5.778184]  ret_from_fork+0x24/0x30
[    5.778184] 
[    5.778184] The buggy address belongs to the variable:
[    5.778184]  hugetlb_param_specs+0x70/0xc0
[    5.778184] 
[    5.778184] Memory state around the buggy address:
[    5.778184]  ffffffffafade880: 00 01 fa fa fa fa fa fa 05 fa fa fa fa fa fa fa
[    5.778184]  ffffffffafade900: 04 fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
[    5.778184] >ffffffffafade980: 00 00 00 00 00 00 fa fa fa fa fa fa 00 00 00 00
[    5.778184]                                      ^
[    5.778184]  ffffffffafadea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[    5.778184]  ffffffffafadea80: 00 00 00 00 00 00 00 00 fa fa fa fa 00 00 00 00
[    5.778184] ==================================================================
[    5.778184] Disabling lock debugging due to kernel taint
[    5.827396] pnp: PnP ACPI init
[    5.830044] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[    5.833615] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[    5.837002] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[    5.839483] pnp 00:03: [dma 2]
[    5.840964] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[    5.845533] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[    5.849958] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[    5.854484] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
[    5.870601] pnp: PnP ACPI: found 7 devices
[    5.882050] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    5.884525] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    5.886139] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    5.887790] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    5.889583] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window]
[    5.894067] NET: Registered protocol family 2
[    5.895541] random: get_random_u32 called from neigh_hash_alloc+0xa4/0xf0 with crng_init=0
[    5.900301] random: get_random_u32 called from bucket_table_alloc+0xbe/0x210 with crng_init=0
[    5.903284] random: get_random_u32 called from rt_genid_init+0x78/0xc0 with crng_init=0
[    5.905616] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 360448 bytes)
[    5.908791] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    5.913051] TCP bind hash table entries: 32768 (order: 9, 2621440 bytes)
[    5.923551] TCP: Hash tables configured (established 65536 bind 32768)
[    5.931298] UDP hash table entries: 4096 (order: 7, 786432 bytes)
[    5.935818] UDP-Lite hash table entries: 4096 (order: 7, 786432 bytes)
[    5.940087] NET: Registered protocol family 1
[    5.943920] RPC: Registered named UNIX socket transport module.
[    5.945542] RPC: Registered udp transport module.
[    5.946777] RPC: Registered tcp transport module.
[    5.948034] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    5.949740] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[    5.951332] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    5.952971] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[    5.954821] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    5.957382] PCI: CLS 0 bytes, default 64
[    5.959720] Unpacking initramfs...

Elapsed time: 10

qemu-img create -f qcow2 disk-vm-snb-8G-423-0 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-1 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-2 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-3 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-4 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-5 256G
qemu-img create -f qcow2 disk-vm-snb-8G-423-6 256G

kvm=(
	qemu-system-x86_64
	-enable-kvm
	-cpu SandyBridge
	-kernel $kernel
	-initrd initrd-vm-snb-8G-423
	-m 8192
	-smp 2
	-device e1000,netdev=net0
	-netdev user,id=net0,hostfwd=tcp::26422-:22
	-boot order=nc
	-no-reboot
	-watchdog i6300esb
	-watchdog-action debug
	-rtc base=localtime
	-drive file=disk-vm-snb-8G-423-0,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-1,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-2,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-3,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-4,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-5,media=disk,if=virtio
	-drive file=disk-vm-snb-8G-423-6,media=disk,if=virtio
	-serial stdio
	-display none
	-monitor null
)

append=(
	ip=::::vm-snb-8G-423::dhcp
	root=/dev/ram0
	user=lkp
	job=/job-script
	ARCH=x86_64
	kconfig=x86_64-randconfig-u0-02021005
	branch=vfs/R48
	commit=2284cf59cbcec2f17e50139e2db6d6d761521cd3
	BOOT_IMAGE=/pkg/linux/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/vmlinuz-5.0.0-rc2-00037-g2284cf5
	rcutorture.fwd_progress=0
	max_uptime=1500
	RESULT_ROOT=/result/rcutorture/300s-cpuhotplug-rcu/vm-snb-8G/debian-x86_64-2018-04-03.cgz/x86_64-randconfig-u0-02021005/gcc-5/2284cf59cbcec2f17e50139e2db6d6d761521cd3/8
	result_service=tmpfs
	debug
	apic=debug
	sysrq_always_enabled
	rcupdate.rcu_cpu_stall_timeout=100
	net.ifnames=0
	printk.devkmsg=on
	panic=-1
	softlockup_panic=1
	nmi_watchdog=panic
	oops=panic
	load_ramdisk=2
	prompt_ramdisk=0
	drbd.minor_count=8
	systemd.log_level=err
	ignore_loglevel
	console=tty0
	earlyprintk=ttyS0,115200
	console=ttyS0,115200
	vga=normal
	rw
	rcuperf.shutdown=0
)

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