Command line: vmlinuz-bisect vmlinuz-bisect initrd=netuno64.cpio.img.gz vga=normal video=vga16:off nomodeset console=tty1 console=ttyS1,115200 net.ifnames=0 ftrace_dump_on_oops x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers' x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 x86/fpu: xstate_offset[5]: 960, xstate_sizes[5]: 64 x86/fpu: xstate_offset[6]: 1024, xstate_sizes[6]: 512 x86/fpu: xstate_offset[7]: 1536, xstate_sizes[7]: 1024 x86/fpu: xstate_offset[9]: 2560, xstate_sizes[9]: 8 x86/fpu: Enabled xstate features 0x2ff, context size is 2568 bytes, using 'compacted' format. e820: BIOS-provided physical RAM map: BIOS-e820: [mem 0x0000000000000000-0x00000000000997ff] usable BIOS-e820: [mem 0x0000000000099800-0x000000000009ffff] reserved BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved BIOS-e820: [mem 0x0000000000100000-0x000000006a67ffff] usable BIOS-e820: [mem 0x000000006a680000-0x000000006c77ffff] reserved BIOS-e820: [mem 0x000000006c780000-0x000000006c88efff] usable BIOS-e820: [mem 0x000000006c88f000-0x000000006d409fff] ACPI NVS BIOS-e820: [mem 0x000000006d40a000-0x000000006f31bfff] reserved BIOS-e820: [mem 0x000000006f31c000-0x000000006f7fffff] usable BIOS-e820: [mem 0x000000006f800000-0x000000008fffffff] reserved BIOS-e820: [mem 0x00000000fd000000-0x00000000fe7fffff] reserved BIOS-e820: [mem 0x00000000fed20000-0x00000000fed44fff] reserved BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved BIOS-e820: [mem 0x0000000100000000-0x000000303fffffff] usable NX (Execute Disable) protection: active random: fast init done SMBIOS 3.1.1 present. DMI: Supermicro SYS-5019P-WTR/X11SPW-TF, BIOS 2.0b 02/26/2018 e820: last_pfn = 0x3040000 max_arch_pfn = 0x400000000 x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT x2apic: enabled by BIOS, switching to x2apic ops e820: last_pfn = 0x6f800 max_arch_pfn = 0x400000000 Using GB pages for direct mapping RAMDISK: [mem 0x663b6000-0x6a67ffff] ACPI: Early table checksum verification disabled ACPI: RSDP 0x00000000000F05B0 000024 (v02 SUPERM) ACPI: XSDT 0x000000006C88F0C8 000114 (v01 SUPERM SUPERM 01072009 AMI 00010013) ACPI: FACP 0x000000006C8D7C98 000114 (v06 SUPERM SMCI--MB 01072009 INTL 20091013) ACPI: DSDT 0x000000006C88F278 048A1E (v02 SUPERM SMCI--MB 01072009 INTL 20091013) ACPI: FACS 0x000000006D408080 000040 ACPI: FPDT 0x000000006C8D7DB0 000044 (v01 01072009 AMI 00010013) ACPI: FIDT 0x000000006C8D7DF8 00009C (v01 SUPERM SMCI--MB 01072009 AMI 00010013) ACPI: SPMI 0x000000006C8D7E98 000041 (v05 SUPERM SMCI--MB 00000000 AMI. 00000000) ACPI: UEFI 0x000000006C8D7EE0 00005C (v01 INTEL RstUefiV 00000000 00000000) ACPI: UEFI 0x000000006C8D7F40 000042 (v01 SUPERM SMCI--MB 01072009 01000013) ACPI: MCFG 0x000000006C8D7F88 00003C (v01 SUPERM SMCI--MB 01072009 MSFT 00000097) ACPI: HPET 0x000000006C8D7FC8 000038 (v01 SUPERM SMCI--MB 00000001 INTL 20091013) ACPI: APIC 0x000000006C8D8000 0016DE (v03 SUPERM SMCI--MB 00000000 INTL 20091013) ACPI: MIGT 0x000000006C8D96E0 000040 (v01 SUPERM SMCI--MB 00000000 INTL 20091013) ACPI: MSCT 0x000000006C8D9720 000090 (v01 SUPERM SMCI--MB 00000001 INTL 20091013) ACPI: NFIT 0x000000006C8D97B0 018028 (v01 00000000 00000000) ACPI: PCAT 0x000000006C8F17D8 000048 (v01 SUPERM SMCI--MB 00000002 INTL 20091013) ACPI: PCCT 0x000000006C8F1820 00006E (v01 SUPERM SMCI--MB 00000002 INTL 20091013) ACPI: RASF 0x000000006C8F1890 000030 (v01 SUPERM SMCI--MB 00000001 INTL 20091013) ACPI: SLIT 0x000000006C8F18C0 00002D (v01 SUPERM SMCI--MB 00000001 INTL 20091013) ACPI: SRAT 0x000000006C8F18F0 002830 (v03 SUPERM SMCI--MB 00000002 INTL 20091013) ACPI: SVOS 0x000000006C8F4120 000032 (v01 SUPERM SMCI--MB 00000000 INTL 20091013) ACPI: WDDT 0x000000006C8F4158 000040 (v01 SUPERM SMCI--MB 00000000 INTL 20091013) ACPI: OEM4 0x000000006C8F4198 0A27C4 (v02 INTEL CPU CST 00003000 INTL 20140828) ACPI: OEM1 0x000000006C996960 02A2C4 (v02 INTEL CPU EIST 00003000 INTL 20140828) ACPI: SSDT 0x000000006C9C0C28 033990 (v02 INTEL SSDT PM 00004000 INTL 20140828) ACPI: OEM3 0x000000006C9F45B8 026664 (v02 INTEL CPU TST 00003000 INTL 20140828) ACPI: SSDT 0x000000006CA1AC20 00065B (v02 SUPERM SMCI--MB 00000000 INTL 20091013) ACPI: SSDT 0x000000006CA1B280 002AF6 (v02 INTEL SpsNm 00000002 INTL 20140828) ACPI: DMAR 0x000000006CA1DD78 000138 (v01 SUPERM SMCI--MB 00000001 INTL 20091013) ACPI: HEST 0x000000006CA1DEB0 0000A8 (v01 SUPERM SMCI--MB 00000001 INTL 00000001) ACPI: BERT 0x000000006CA1DF58 000030 (v01 SUPERM SMCI--MB 00000001 INTL 00000001) ACPI: ERST 0x000000006CA1DF88 000230 (v01 SUPERM SMCI--MB 00000001 INTL 00000001) ACPI: EINJ 0x000000006CA1E1B8 000150 (v01 SUPERM SMCI--MB 00000001 INTL 00000001) Setting APIC routing to cluster x2apic. SRAT: PXM 0 -> APIC 0x0010 -> Node 0 SRAT: PXM 0 -> APIC 0x000a -> Node 0 SRAT: PXM 0 -> APIC 0x0014 -> Node 0 SRAT: PXM 0 -> APIC 0x0016 -> Node 0 ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x7fffffff] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x303fffffff] NUMA: Node 0 [mem 0x00000000-0x7fffffff] + [mem 0x100000000-0x303fffffff] -> [mem 0x00000000-0x303fffffff] NODE_DATA(0) allocated [mem 0x303fff9000-0x303fffcfff] Zone ranges: DMA [mem 0x0000000000001000-0x0000000000ffffff] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] Normal [mem 0x0000000100000000-0x000000303fffffff] Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000000001000-0x0000000000098fff] node 0: [mem 0x0000000000100000-0x000000006a67ffff] node 0: [mem 0x000000006c780000-0x000000006c88efff] node 0: [mem 0x000000006f31c000-0x000000006f7fffff] node 0: [mem 0x0000000100000000-0x000000303fffffff] Initmem setup node 0 [mem 0x0000000000001000-0x000000303fffffff] ACPI: PM-Timer IO Port: 0x508 ACPI: X2APIC_NMI (uid[0xffffffff] high level lint[0x1]) ACPI: LAPIC_NMI (acpi_id[0xff] high level lint[0x1]) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 IOAPIC[1]: apic_id 9, version 32, address 0xfec01000, GSI 24-31 IOAPIC[2]: apic_id 10, version 32, address 0xfec08000, GSI 32-39 IOAPIC[3]: apic_id 11, version 32, address 0xfec10000, GSI 40-47 IOAPIC[4]: apic_id 12, version 32, address 0xfec18000, GSI 48-55 ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) Using ACPI (MADT) for SMP configuration information ACPI: HPET id: 0x8086a701 base: 0xfed00000 smpboot: Allowing 4 CPUs, 0 hotplug CPUs e820: [mem 0x90000000-0xfcffffff] available for PCI devices Booting paravirtualized kernel on bare hardware clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns setup_percpu: NR_CPUS:384 nr_cpumask_bits:384 nr_cpu_ids:4 nr_node_ids:1 percpu: Embedded 36 pages/cpu @ffff88303fc00000 s106536 r8192 d32728 u524288 Built 1 zonelists, mobility grouping on. Total pages: 49201454 Policy zone: Normal Kernel command line: ast.modeset=0 console=ttyS1,115200 console=tty1 vmlinuz-bisect vmlinuz-bisect initrd=netuno64.cpio.img.gz vga=normal video=vga16:off nomodeset console=tty1 console=ttyS1,115200 net.ifnames=0 ftrace_dump_on_oops PID hash table entries: 4096 (order: 3, 32768 bytes) Memory: 196466912K/199929900K available (7195K kernel code, 1358K rwdata, 3240K rodata, 188024K init, 676K bss, 3462988K reserved, 0K cma-reserved) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 ftrace: allocating 33884 entries in 133 pages ********************************************************** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ** ** ** trace_printk() being used. Allocating extra memory. ** ** ** ** This means that this is a DEBUG kernel and it is ** ** unsafe for production use. ** ** ** ** If you see this message and you are not debugging ** ** the kernel, report this immediately to your vendor! ** ** ** ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** ********************************************************** Hierarchical RCU implementation. RCU restricting CPUs from NR_CPUS=384 to nr_cpu_ids=4. RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 NR_IRQS: 24832, nr_irqs: 1000, preallocated irqs: 16 Console: colour VGA+ 80x25 console [tty1] enabled console [ttyS1] enabled clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635855245 ns APIC: Switch to symmectic I/O mode setup DMAR: Host address width 46 DMAR: DRHD base: 0x000000c5ffc000 flags: 0x0 DMAR: dmar0: reg_base_addr c5ffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df DMAR: DRHD base: 0x000000e0ffc000 flags: 0x0 DMAR: dmar1: reg_base_addr e0ffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df DMAR: DRHD base: 0x000000fbffc000 flags: 0x0 DMAR: dmar2: reg_base_addr fbffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df DMAR: DRHD base: 0x000000aaffc000 flags: 0x1 DMAR: dmar3: reg_base_addr aaffc000 ver 1:0 cap 8d2078c106f0466 ecap f020df DMAR: RMRR base: 0x0000006f054000 end: 0x0000006f064fff DMAR: ATSR flags: 0x0 DMAR: RHSA base: 0x000000aaffc000 proximity domain: 0x0 DMAR: RHSA base: 0x000000c5ffc000 proximity domain: 0x0 DMAR: RHSA base: 0x000000e0ffc000 proximity domain: 0x0 DMAR: RHSA base: 0x000000fbffc000 proximity domain: 0x0 DMAR-IR: IOAPIC id 12 under DRHD base 0xfbffc000 IOMMU 2 DMAR-IR: IOAPIC id 11 under DRHD base 0xe0ffc000 IOMMU 1 DMAR-IR: IOAPIC id 10 under DRHD base 0xc5ffc000 IOMMU 0 DMAR-IR: IOAPIC id 8 under DRHD base 0xaaffc000 IOMMU 3 DMAR-IR: IOAPIC id 9 under DRHD base 0xaaffc000 IOMMU 3 DMAR-IR: HPET id 0 under DRHD base 0xaaffc000 DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. DMAR-IR: Enabled IRQ remapping in x2apic mode ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 tsc: Detected 3600.000 MHz processor Calibrating delay loop (skipped), value calculated using timer frequency.. 7200.00 BogoMIPS (lpj=14400000) pid_max: default: 32768 minimum: 301 ACPI: Core revision 20170728 ACPI Error: Table [DMAR] is not invalidated during early boot stage (20170728/tbxface-196) ACPI: 4 ACPI AML tables successfully acquired and loaded Dentry cache hash table entries: 16777216 (order: 15, 134217728 bytes) Inode-cache hash table entries: 8388608 (order: 14, 67108864 bytes) Mount-cache hash table entries: 262144 (order: 9, 2097152 bytes) Mountpoint-cache hash table entries: 262144 (order: 9, 2097152 bytes) CPU: Physical Processor ID: 0 CPU: Processor Core ID: 8 mce: CPU supports 20 MCE banks CPU0: Thermal monitoring enabled (TM1) process: using mwait in idle threads Last level iTLB entries: 4KB 128, 2MB 8, 4MB 8 Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 Freeing SMP alternatives memory: 36K smpboot: Max logical packages: 56 smpboot: CPU0: Intel(R) Xeon(R) Gold 5122 CPU @ 3.60GHz (family: 0x6, model: 0x55, stepping: 0x4) Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. ... version: 4 ... bit width: 48 ... generic registers: 8 ... value mask: 0000ffffffffffff ... max period: 00007fffffffffff ... fixed-purpose events: 3 ... event mask: 00000007000000ff Hierarchical SRCU implementation. smp: Bringing up secondary CPUs ... x86: Booting SMP configuration: .... node #0, CPUs: #1 #2 #3 smp: Brought up 1 node, 4 CPUs smpboot: Total of 4 processors activated (28803.72 BogoMIPS) devtmpfs: initialized clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns futex hash table entries: 1024 (order: 4, 65536 bytes) xor: automatically using best checksumming function avx pinctrl core: initialized pinctrl subsystem NET: Registered protocol family 16 cpuidle: using governor ladder Error parsing PCC subspaces from PCCT ACPI FADT declares the system doesn't support PCIe ASPM, so disable it ACPI: bus type PCI registered PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0x80000000-0x8fffffff] (base 0x80000000) PCI: MMCONFIG at [mem 0x80000000-0x8fffffff] reserved in E820 pmd_set_huge: Cannot satisfy [mem 0x80000000-0x80200000] with a huge-page mapping due to MTRR override. PCI: Using configuration type 1 for base access HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages raid6: sse2x1 gen() 12542 MB/s raid6: sse2x1 xor() 8877 MB/s raid6: sse2x2 gen() 16430 MB/s raid6: sse2x2 xor() 11027 MB/s raid6: sse2x4 gen() 18836 MB/s raid6: sse2x4 xor() 12801 MB/s raid6: avx2x1 gen() 25116 MB/s raid6: avx2x1 xor() 16935 MB/s raid6: avx2x2 gen() 30816 MB/s raid6: avx2x2 xor() 20794 MB/s raid6: avx2x4 gen() 33776 MB/s raid6: avx2x4 xor() 19072 MB/s raid6: avx512x1 gen() 35930 MB/s raid6: avx512x1 xor() 20622 MB/s raid6: avx512x2 gen() 45248 MB/s raid6: avx512x2 xor() 25840 MB/s raid6: avx512x4 gen() 52791 MB/s raid6: avx512x4 xor() 16125 MB/s raid6: using algorithm avx512x4 gen() 52791 MB/s raid6: .... xor() 16125 MB/s, rmw enabled raid6: using avx512x2 recovery algorithm ACPI: Added _OSI(Module Device) ACPI: Added _OSI(Processor Device) ACPI: Added _OSI(3.0 _SCP Extensions) ACPI: Added _OSI(Processor Aggregator Device) ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored INFO: rcu_sched self-detected stall on CPU 3-...: (14999 ticks this GP) idle=0de/140000000000001/0 softirq=122/131 fqs=7499 INFO: rcu_sched detected stalls on CPUs/tasks: 3-...: (14999 ticks this GP) idle=0de/140000000000001/0 softirq=122/131 fqs=7499 (detected by 0, t=15002 jiffies, g=-291, c=-292, q=66) Sending NMI from CPU 0 to CPUs 3: NMI backtrace for cpu 3 CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.14.0-rc2-netuno-x86_64+ #2 Hardware name: Supermicro SYS-5019P-WTR/X11SPW-TF, BIOS 2.0b 02/26/2018 task: ffff882f73718000 task.stack: ffffc90000070000 RIP: 0010:io_serial_in+0x18/0x1d RSP: 0000:ffff88303fd83c10 EFLAGS: 00000002 RAX: 000003cd27276e00 RBX: ffffffff8d58fd80 RCX: 0000000000000000 RDX: 00000000000002fd RSI: 0000000000000005 RDI: ffffffff8d58fd80 RBP: ffff88303fd83c10 R08: 000003cd26b908d4 R09: ffffffff8d533df0 R10: ffff88303fd83cc0 R11: ffffffff8d52e50f R12: 00000000000026fa R13: 0000000000000020 R14: ffffffff8145773d R15: 0000000000000053 FS: 0000000000000000(0000) GS:ffff88303fd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000001c0b001 CR4: 00000000007606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 00000000 Call Trace: wait_for_xmitr+0x25/0x88 serial8250_console_putchar+0x1c/0x2c uart_console_write+0x40/0x4b serial8250_console_write+0x17f/0x1d2 ? msg_print_text+0xa3/0xf7 univ8250_console_write+0x21/0x23 console_unlock+0x392/0x407 vprintk_emit+0x213/0x225 vprintk_default+0x1d/0x1f vprintk_func+0x57/0x59 printk+0x43/0x4b print_cpu_stall_info+0x119/0x12c ? vprintk_func+0x57/0x59 ? printk+0x43/0x4b rcu_check_callbacks+0x1e1/0x681 update_process_times+0x2f/0x54 tick_periodic+0x6c/0x6e tick_handle_periodic+0x25/0x66 smp_apic_timer_interrupt+0x98/0x100 apic_timer_interrupt+0x93/0xa0 RIP: 0010:smp_call_function_many+0x1ef/0x202 RSP: 0000:ffffc90000073a70 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000001 RBX: ffff88303fd99d88 RCX: 0000000000000001 RDX: ffff88303fc9e5a0 RSI: 0000000000000000 RDI: ffff88303fd99d88 RBP: ffffc90000073ab8 R08: fffffffffffffffe R09: 0000000000000003 R10: 0000000000000000 R11: ffffea00bdca58a0 R12: ffff88303fd99d80 R13: ffff88303fd99db8 R14: 0000000000019d40 R15: ffffffff81acf3c0 ? slub_cpu_dead+0xa7/0xa7 ? slub_cpu_dead+0xa7/0xa7 ? __mmu_notifier_mm_destroy+0x37/0x37 on_each_cpu_mask+0x28/0x5a on_each_cpu_cond+0xa3/0xb2 ? slub_cpu_dead+0xa7/0xa7 flush_all+0x2a/0x2c __kmem_cache_shrink+0x3c/0x237 ? set_debug_rodata+0x17/0x17 kmem_cache_shrink+0xe/0x10 ? kmem_cache_shrink+0xe/0x10 acpi_os_purge_cache+0xe/0x12 acpi_purge_cached_objects+0x2d/0x3d acpi_initialize_objects+0x4a/0x54 ? acpi_sleep_init+0xd8/0xd8 acpi_init+0xba/0x314 ? scan_for_dmi_ipmi+0x19/0xf1 ? acpi_sleep_init+0xd8/0xd8 do_one_initcall+0x90/0x137 ? set_debug_rodata+0x17/0x17 kernel_init_freeable+0x119/0x19c ? rest_init+0xb0/0xb0 kernel_init+0xe/0xf5 ret_from_fork+0x25/0x30 Code: 00 00 55 48 89 e5 d3 e6 48 63 f6 48 03 77 20 8b 06 5d c3 0f 1f 44 00 00 0f b6 8f b1 00 00 00 8b 57 18 55 48 89 e5 d3 e6 01 f2 ec <0f> b6 c0 5d c3 0f 1f 44 00 00 0f b6 8f b1 00 00 00 89 d0 8b 57 Kernel panic - not syncing: RCU Stall CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.0-rc2-netuno-x86_64+ #2 Hardware name: Supermicro SYS-5019P-WTR/X11SPW-TF, BIOS 2.0b 02/26/2018 Call Trace: dump_stack+0x61/0x7e panic+0xd8/0x205 rcu_check_callbacks+0x2be/0x681 update_process_times+0x2f/0x54 tick_periodic+0x6c/0x6e tick_handle_periodic+0x25/0x66 smp_apic_timer_interrupt+0x98/0x100 apic_timer_interrupt+0x93/0xa0 RIP: 0010:mwait_idle+0x8d/0x145 RSP: 0000:ffffffff81c03e50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000000 RBX: ffffffff81c104c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff81c03e68 R08: 0000000000000000 R09: 0000000000000008 R10: ffffc900000efd80 R11: 000000000001d401 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff81c104c0 R15: ffffffff81c104c0 arch_cpu_idle+0xf/0x11 default_idle_call+0x2c/0x2e do_idle+0xb5/0x144 cpu_startup_entry+0x1f/0x21 rest_init+0xae/0xb0 start_kernel+0x3e6/0x3f3 x86_64_start_reservations+0x2a/0x2c x86_64_start_kernel+0x72/0x75 secondary_startup_64+0xa5/0xa5 (t=15002 jiffies g=-291 c=-292 q=66) NMI backtrace for cpu 3 CPU: 3 PID: 1 Comm: swapper/0 Not tainted 4.14.0-rc2-netuno-x86_64+ #2 Hardware name: Supermicro SYS-5019P-WTR/X11SPW-TF, BIOS 2.0b 02/26/2018 Call Trace: dump_stack+0x61/0x7e nmi_cpu_backtrace+0x9c/0xb8 ? irq_force_complete_move+0xf4/0xf4 nmi_trigger_cpumask_backtrace+0x5d/0xdd arch_trigger_cpumask_backtrace+0x19/0x1b rcu_dump_cpu_stacks+0x9a/0xc5 rcu_check_callbacks+0x263/0x681 update_process_times+0x2f/0x54 tick_periodic+0x6c/0x6e tick_handle_periodic+0x25/0x66 smp_apic_timer_interrupt+0x98/0x100 apic_timer_interrupt+0x93/0xa0 RIP: 0010:smp_call_function_many+0x1ef/0x202 RSP: 0000:ffffc90000073a70 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000001 RBX: ffff88303fd99d88 RCX: 0000000000000001 RDX: ffff88303fc9e5a0 RSI: 0000000000000000 RDI: ffff88303fd99d88 RBP: ffffc90000073ab8 R08: fffffffffffffffe R09: 0000000000000003 R10: 0000000000000000 R11: ffffea00bdca58a0 R12: ffff88303fd99d80 R13: ffff88303fd99db8 R14: 0000000000019d40 R15: ffffffff81acf3c0 ? slub_cpu_dead+0xa7/0xa7 ? slub_cpu_dead+0xa7/0xa7 ? __mmu_notifier_mm_destroy+0x37/0x37 on_each_cpu_mask+0x28/0x5a on_each_cpu_cond+0xa3/0xb2 ? slub_cpu_dead+0xa7/0xa7 flush_all+0x2a/0x2c __kmem_cache_shrink+0x3c/0x237 ? set_debug_rodata+0x17/0x17 kmem_cache_shrink+0xe/0x10 ? kmem_cache_shrink+0xe/0x10 acpi_os_purge_cache+0xe/0x12 acpi_purge_cached_objects+0x2d/0x3d acpi_initialize_objects+0x4a/0x54 ? acpi_sleep_init+0xd8/0xd8 acpi_init+0xba/0x314 ? scan_for_dmi_ipmi+0x19/0xf1 ? acpi_sleep_init+0xd8/0xd8 do_one_initcall+0x90/0x137 ? set_debug_rodata+0x17/0x17 kernel_init_freeable+0x119/0x19c ? rest_init+0xb0/0xb0 kernel_init+0xe/0xf5 ret_from_fork+0x25/0x30 Shutting down cpus with NMI Dumping ftrace buffer: --------------------------------- swapper/-1 0d... 463331us : __x2apic_send_IPI_mask: To: swapper/-1 0d... 463333us : __x2apic_send_IPI_mask: CPU: 0 cluster: 0-1 swapper/-1 0d... 463334us : __x2apic_send_IPI_mask: dest 00010001 --> tmpmsk swapper/-1 0d... 504423us : __x2apic_send_IPI_mask: To: swapper/-1 0d... 504424us : __x2apic_send_IPI_mask: CPU: 1 cluster: 0-1 swapper/-1 0d... 504425us : __x2apic_send_IPI_mask: dest 00000400 --> tmpmsk swapper/-1 0d... 504425us : __x2apic_send_IPI_mask: CPU: 2 cluster: 2 swapper/-1 0d... 504425us : __x2apic_send_IPI_mask: dest 00010010 --> tmpmsk swapper/-1 0d... 504425us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 swapper/-1 0d... 504426us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk swapper/-1 0d... 504430us : __x2apic_send_IPI_mask: To: swapper/-1 0d... 504430us : __x2apic_send_IPI_mask: CPU: 1 cluster: 0-1 swapper/-1 0d... 504431us : __x2apic_send_IPI_mask: dest 00000400 --> tmpmsk swapper/-1 0d... 504431us : __x2apic_send_IPI_mask: CPU: 2 cluster: 2 swapper/-1 0d... 504431us : __x2apic_send_IPI_mask: dest 00010010 --> tmpmsk swapper/-1 0d... 504431us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 swapper/-1 0d... 504431us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk swapper/-1 0d... 504433us : __x2apic_send_IPI_mask: To: swapper/-1 0d... 504433us : __x2apic_send_IPI_mask: CPU: 1 cluster: 0-1 swapper/-1 0d... 504433us : __x2apic_send_IPI_mask: dest 00000400 --> tmpmsk swapper/-1 0d... 504434us : __x2apic_send_IPI_mask: CPU: 2 cluster: 2 swapper/-1 0d... 504434us : __x2apic_send_IPI_mask: dest 00010010 --> tmpmsk swapper/-1 0d... 504434us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 swapper/-1 0d... 504434us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk swapper/-1 3d... 1813404us : __x2apic_send_IPI_mask: To: swapper/-1 3d... 1813405us : __x2apic_send_IPI_mask: CPU: 0 cluster: 0-1 swapper/-1 3d... 1813406us : __x2apic_send_IPI_mask: dest 00010001 --> tmpmsk swapper/-1 3.... 1879964us : on_each_cpu_cond: 0-1,3 swapper/-1 3.... 1879972us : on_each_cpu_cond: 0-1,3 swapper/-1 3.... 1879975us : on_each_cpu_cond: 0-1,3 swapper/-1 3d... 1879976us : __x2apic_send_IPI_mask: To: swapper/-1 3d... 1879977us : __x2apic_send_IPI_mask: CPU: 0 cluster: 0-1 swapper/-1 3d... 1879977us : __x2apic_send_IPI_mask: dest 00010401 --> tmpmsk -0 0d.h. 61903171us : __x2apic_send_IPI_mask: To: -0 0d.h. 61903172us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 -0 0d.h. 61903172us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk -0 0d.h. 61904223us : __x2apic_send_IPI_mask: To: -0 0d.h. 61904223us : __x2apic_send_IPI_mask: CPU: 1 cluster: 0-1 -0 0d.h. 61904223us : __x2apic_send_IPI_mask: dest 00000400 --> tmpmsk -0 0d.h. 61904223us : __x2apic_send_IPI_mask: CPU: 2 cluster: 2 -0 0d.h. 61904224us : __x2apic_send_IPI_mask: dest 00010010 --> tmpmsk -0 0d.h. 61904224us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 -0 0d.h. 61904224us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk -0 0d.h. 62924392us : __x2apic_send_IPI_mask: To: -0 0d.h. 62924393us : __x2apic_send_IPI_mask: CPU: 3 cluster: 3 -0 0d.h. 62924394us : __x2apic_send_IPI_mask: dest 00010040 --> tmpmsk --------------------------------- ---[ end Kernel panic - not syncing: RCU Stall