[ 0.000000] Linux version 4.18.0-20-generic (buildd@lcy01-amd64-020) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #21~18.04.1-Ubuntu SMP Wed May 8 08:43:37 UTC 2019 (Ubuntu 4.18.0-20.21~18.04.1-generic 4.18.20) [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=cd7b920e-de44-4116-9b79-3b5a26d78b6e ro console=tty0 console=ttyS0,115200 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000086fff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000087000-0x00000000000bffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000009afffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000009b00000-0x0000000009dfffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000009e00000-0x0000000009efffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000009f00000-0x0000000009f09fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x0000000009f0a000-0x000000008b57efff] usable [ 0.000000] BIOS-e820: [mem 0x000000008b57f000-0x000000008b77efff] type 20 [ 0.000000] BIOS-e820: [mem 0x000000008b77f000-0x000000008d77efff] reserved [ 0.000000] BIOS-e820: [mem 0x000000008d77f000-0x000000008f77efff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000008f77f000-0x000000008f7fefff] ACPI data [ 0.000000] BIOS-e820: [mem 0x000000008f7ff000-0x000000008f7fffff] usable [ 0.000000] BIOS-e820: [mem 0x000000008f800000-0x00000000cfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f0000000-0x00000000f7ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fdf00000-0x00000000fdffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec01fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec10000-0x00000000fec10fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec20000-0x00000000fec20fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed81fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fedc0000-0x00000000feddffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ff800000-0x00000000fff4ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000022f33ffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] efi: EFI v2.50 by INSYDE Corp. [ 0.000000] efi: SMBIOS=0x8c529000 SMBIOS 3.0=0x8c527000 ESRT=0x8c525c58 ACPI 2.0=0x8f7fe014 PROP=0x833ebeb8 MEMATTR=0x88e39018 [ 0.000000] secureboot: Secure boot could not be determined (mode 0) [ 0.000000] SMBIOS 3.0.0 present. [ 0.000000] DMI: AMD Mandolin/Mandolin, BIOS RMD1109G 04/30/2019 [ 0.000000] last_pfn = 0x22f340 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] last_pfn = 0x8f800 max_arch_pfn = 0x400000000 [ 0.000000] esrt: Reserving ESRT space from 0x000000008c525c58 to 0x000000008c525c90. [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] RAMDISK: [mem 0x30caf000-0x3464efff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x000000008F7FE014 000024 (v02 AMD ) [ 0.000000] ACPI: XSDT 0x000000008F7CD188 000114 (v01 AMD Mandolin 00000001 01000013) [ 0.000000] ACPI: FACP 0x000000008F7F3000 00010C (v05 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: DSDT 0x000000008F7E3000 007B36 (v01 AMD Mandolin 00040000 ACPI 00040000) [ 0.000000] ACPI: FACS 0x000000008F766000 000040 [ 0.000000] ACPI: SSDT 0x000000008F7F8000 005419 (v02 AMD Mandolin 00000002 ACPI 00040000) [ 0.000000] ACPI: UEFI 0x000000008F7F7000 000236 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: UEFI 0x000000008F7F6000 000042 (v01 AMD 00000000 ACPI 00040000) [ 0.000000] ACPI: ASF! 0x000000008F7F5000 0000A5 (v32 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: BOOT 0x000000008F7F4000 000028 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: HPET 0x000000008F7F2000 000038 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: APIC 0x000000008F7F1000 000138 (v03 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: MCFG 0x000000008F7F0000 00003C (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SLIC 0x000000008F7EF000 000176 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SPCR 0x000000008F7EE000 000050 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: WDAT 0x000000008F7ED000 00017C (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: WDRT 0x000000008F7EC000 000047 (v01 AMD Mandolin 00000000 ACPI 00040000) [ 0.000000] ACPI: WSMT 0x000000008F7EB000 000028 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7E0000 00119C (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: CRAT 0x000000008F7DF000 000810 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: CDIT 0x000000008F7DE000 000029 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: VFCT 0x000000008F7D0000 00D484 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7CF000 00046D (v01 AMD Mandolin 00001000 ACPI 00040000) [ 0.000000] ACPI: TPM2 0x000000008F7CE000 000034 (v03 AMD Mandolin 00000002 ACPI 00040000) [ 0.000000] ACPI: IVRS 0x000000008F7CC000 00013E (v02 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7CB000 0001D4 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7CA000 000C33 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7C8000 0010F5 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7C7000 0002EA (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7C5000 001B4E (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: FPDT 0x000000008F7C4000 000044 (v01 AMD Mandolin 00000002 ACPI 00040000) [ 0.000000] ACPI: BGRT 0x000000008F7C3000 000038 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7C2000 000E89 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] ACPI: SSDT 0x000000008F7C0000 001CC9 (v01 AMD Mandolin 00000001 ACPI 00040000) [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000022f33ffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x22f315000-0x22f33ffff] [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000022f33ffff] [ 0.000000] Device empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x0000000000086fff] [ 0.000000] node 0: [mem 0x0000000000100000-0x0000000009afffff] [ 0.000000] node 0: [mem 0x0000000009e00000-0x0000000009efffff] [ 0.000000] node 0: [mem 0x0000000009f0a000-0x000000008b57efff] [ 0.000000] node 0: [mem 0x000000008f7ff000-0x000000008f7fffff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000022f33ffff] [ 0.000000] Reserved but unavailable: 19972 pages [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000022f33ffff] [ 0.000000] ACPI: PM-Timer IO Port: 0x408 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 33, version 33, address 0xfec00000, GSI 0-23 [ 0.000000] IOAPIC[1]: apic_id 34, version 33, address 0xfec01000, GSI 24-55 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x10228210 base: 0xfed00000 [ 0.000000] ACPI: SPCR: SPCR table version 1 [ 0.000000] ACPI: SPCR: console: uart,io,0x3f8,115200 [ 0.000000] smpboot: Allowing 16 CPUs, 8 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x00087000-0x000bffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000c0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0x09b00000-0x09dfffff] [ 0.000000] PM: Registered nosave memory: [mem 0x09f00000-0x09f09fff] [ 0.000000] PM: Registered nosave memory: [mem 0x8b57f000-0x8b77efff] [ 0.000000] PM: Registered nosave memory: [mem 0x8b77f000-0x8d77efff] [ 0.000000] PM: Registered nosave memory: [mem 0x8d77f000-0x8f77efff] [ 0.000000] PM: Registered nosave memory: [mem 0x8f77f000-0x8f7fefff] [ 0.000000] PM: Registered nosave memory: [mem 0x8f800000-0xcfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xd0000000-0xefffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf0000000-0xf7ffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfdefffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfdf00000-0xfdffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfe000000-0xfebfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec01fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec02000-0xfec0ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec10000-0xfec10fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec11000-0xfec1ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec20000-0xfec20fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec21000-0xfed7ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed80000-0xfed81fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed82000-0xfedbffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfedc0000-0xfeddffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfede0000-0xfedfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xff7fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xff800000-0xfff4ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfff50000-0xffffffff] [ 0.000000] [mem 0xd0000000-0xefffffff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.000000] random: get_random_bytes called from start_kernel+0x99/0x55a with crng_init=0 [ 0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:16 nr_cpu_ids:16 nr_node_ids:1 [ 0.000000] percpu: Embedded 46 pages/cpu @(____ptrval____) s151552 r8192 d28672 u262144 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1783439 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.18.0-20-generic root=UUID=cd7b920e-de44-4116-9b79-3b5a26d78b6e ro console=tty0 console=ttyS0,115200 [ 0.000000] Memory: 6943276K/7247088K available (12300K kernel code, 2634K rwdata, 4384K rodata, 2460K init, 2340K bss, 303812K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=16, Nodes=1 [ 0.000000] ftrace: allocating 40847 entries in 160 pages [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=16. [ 0.000000] Tasks RCU enabled. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=16 [ 0.000000] NR_IRQS: 524544, nr_irqs: 1096, preallocated irqs: 16 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] ACPI: Core revision 20180531 [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484873504 ns [ 0.000000] APIC: Switch to symmetric I/O mode setup [ 0.004000] AMD-Vi:ivrs, add hid:PNP0D40, uid:, rdevid:152 [ 0.012000] Switched APIC routing to physical flat. [ 0.020000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.040000] tsc: Fast TSC calibration using PIT [ 0.044000] tsc: Detected 3293.717 MHz processor [ 0.048000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2f7a1cf0f67, max_idle_ns: 440795259940 ns [ 0.052002] Calibrating delay loop (skipped), value calculated using timer frequency.. 6587.43 BogoMIPS (lpj=13174868) [ 0.056001] pid_max: default: 32768 minimum: 301 [ 0.064081] Security Framework initialized [ 0.068002] Yama: becoming mindful. [ 0.072001] AppArmor: AppArmor initialized [ 0.077195] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.080774] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.084047] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.088027] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.092282] mce: CPU supports 23 MCE banks [ 0.096020] LVT offset 1 assigned for vector 0xf9 [ 0.100049] LVT offset 2 assigned for vector 0xf4 [ 0.104010] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 512 [ 0.108000] Last level dTLB entries: 4KB 1536, 2MB 1536, 4MB 768, 1GB 0 [ 0.112002] Spectre V2 : Mitigation: Full AMD retpoline [ 0.116000] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.120008] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.124000] Spectre V2 : User space: Vulnerable [ 0.128001] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.132088] Freeing SMP alternatives memory: 36K [ 0.144000] smpboot: CPU0: AMD Eng Sample: ZM2800C3T4MFB_37/33_Y (family: 0x17, model: 0x11, stepping: 0x0) [ 0.144098] Performance Events: Fam17h core perfctr, AMD PMU driver. [ 0.148002] ... version: 0 [ 0.152000] ... bit width: 48 [ 0.156001] ... generic registers: 6 [ 0.160001] ... value mask: 0000ffffffffffff [ 0.164000] ... max period: 00007fffffffffff [ 0.168000] ... fixed-purpose events: 0 [ 0.172000] ... event mask: 000000000000003f [ 0.176037] Hierarchical SRCU implementation. [ 0.180872] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter. [ 0.184008] smp: Bringing up secondary CPUs ... [ 0.188102] x86: Booting SMP configuration: [ 0.192003] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 [ 0.208025] smp: Brought up 1 node, 8 CPUs [ 0.212001] smpboot: Max logical packages: 2 [ 0.216001] smpboot: Total of 8 processors activated (52699.47 BogoMIPS) [ 0.220881] devtmpfs: initialized [ 0.224050] x86/mm: Memory block size: 128MB [ 0.232020] PM: Registering ACPI NVS region [mem 0x09f00000-0x09f09fff] (40960 bytes) [ 0.236002] PM: Registering ACPI NVS region [mem 0x8d77f000-0x8f77efff] (33554432 bytes) [ 0.244368] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.252015] futex hash table entries: 4096 (order: 6, 262144 bytes) [ 0.260169] pinctrl core: initialized pinctrl subsystem [ 0.264097] RTC time: 16:28:04, date: 06/04/19 [ 0.268419] NET: Registered protocol family 16 [ 0.272065] audit: initializing netlink subsys (disabled) [ 0.280019] audit: type=2000 audit(1559665682.280:1): state=initialized audit_enabled=0 res=1 [ 0.288005] cpuidle: using governor ladder [ 0.292017] cpuidle: using governor menu [ 0.296074] Simple Boot Flag at 0x44 set to 0x1 [ 0.300031] ACPI: bus type PCI registered [ 0.304002] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.312098] PCI: MMCONFIG for domain 0000 [bus 00-7f] at [mem 0xf0000000-0xf7ffffff] (base 0xf0000000) [ 0.320013] PCI: MMCONFIG at [mem 0xf0000000-0xf7ffffff] reserved in E820 [ 0.328010] PCI: Using configuration type 1 for base access [ 0.336016] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.340002] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.348096] ACPI: Added _OSI(Module Device) [ 0.352001] ACPI: Added _OSI(Processor Device) [ 0.356001] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.360001] ACPI: Added _OSI(Processor Aggregator Device) [ 0.368001] ACPI: Added _OSI(Linux-Dell-Video) [ 0.372001] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.377662] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored [ 0.393451] ACPI: 11 ACPI AML tables successfully acquired and loaded [ 0.408034] ACPI: EC: EC started [ 0.412002] ACPI: EC: interrupt blocked [ 0.416131] ACPI: \_SB_.PCI0.LPC0.EC0_: Used as first EC [ 0.424002] ACPI: \_SB_.PCI0.LPC0.EC0_: GPE=0x3, EC_CMD/EC_SC=0x666, EC_DATA=0x662 [ 0.428002] ACPI: \_SB_.PCI0.LPC0.EC0_: Used as boot DSDT EC to handle transactions [ 0.436000] ACPI: Interpreter enabled [ 0.440014] ACPI: (supports S0 S3 S4 S5) [ 0.444001] ACPI: Using IOAPIC for interrupt routing [ 0.452196] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.460394] ACPI: Enabled 2 GPEs in block 00 to 1F [ 0.466886] ACPI: Power Resource [P0ST] (on) [ 0.472036] ACPI: Power Resource [P3ST] (on) [ 0.712507] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.716006] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.724150] acpi PNP0A08:00: _OSC: platform does not support [SHPCHotplug LTR] [ 0.732141] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 0.740012] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-7f] only partially covers this bridge [ 0.752289] PCI host bridge to bus 0000:00 [ 0.756002] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.764001] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.768001] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.776001] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.784001] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.792001] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.800001] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.808001] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.812001] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.820009] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 0.820010] PGD 0 P4D 0 [ 0.820012] Oops: 0000 [#1] SMP NOPTI [ 0.820014] CPU: 4 PID: 1 Comm: swapper/0 Not tainted 4.18.0-20-generic #21~18.04.1-Ubuntu [ 0.820014] Hardware name: AMD Mandolin/Mandolin, BIOS RMD1109G 04/30/2019 [ 0.820018] RIP: 0010:amd_threshold_interrupt+0x5c/0xd0 [ 0.820019] Code: c1 00 97 3c a0 ba 01 00 00 00 48 c7 c0 d0 5d 01 00 4a 8b 34 f1 44 89 e1 d3 e2 85 14 06 74 4e 48 c7 c0 d8 5d 01 00 48 8b 04 06 <4a> 8b 04 28 48 8b 58 08 48 85 db 74 36 48 89 df e8 7f fe ff ff 48 [ 0.820032] RSP: 0018:ffff921b6ed03db8 EFLAGS: 00010002 [ 0.820033] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.820034] RDX: 0000000000000001 RSI: ffff921b6ed00000 RDI: ffff921b6ed03e18 [ 0.820034] RBP: ffff921b6ed03de0 R08: 0000000000000000 R09: 0000000000000000 [ 0.820035] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 0.820035] R13: 0000000000000000 R14: 0000000000000004 R15: 0000000000000000 [ 0.820036] FS: 0000000000000000(0000) GS:ffff921b6ed00000(0000) knlGS:0000000000000000 [ 0.820037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.820038] CR2: 0000000000000000 CR3: 000000001e80a000 CR4: 00000000003406e0 [ 0.820038] Call Trace: [ 0.820039] [ 0.820043] smp_threshold_interrupt+0x2f/0xe0 [ 0.820044] threshold_interrupt+0xf/0x20 [ 0.820046] RIP: 0010:run_timer_softirq+0x425/0x450 [ 0.820047] Code: 81 f9 ff ff 48 89 df e8 09 5d 8e 00 e9 33 ff ff ff 48 c7 43 08 00 00 00 00 48 89 df c6 07 00 0f 1f 40 00 fb 66 0f 1f 44 00 00 1b fc ff ff 48 8b 05 6f f3 2e 01 31 ff e9 e9 fc ff ff 48 8b 05 [ 0.820060] RSP: 0018:ffff921b6ed03ec8 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff06 [ 0.820061] RAX: 00000000fffedbd6 RBX: ffff921b6ed1a700 RCX: 0000000000000015 [ 0.820061] RDX: 00000000fffedbd5 RSI: ffff921b6ed1a728 RDI: ffff921b6ed1a700 [ 0.820062] RBP: ffff921b6ed03f50 R08: ffff921b6ed03ed8 R09: 0000000000000078 [ 0.820063] R10: 0000000000000004 R11: 0000000000000398 R12: ffff921b6ed03ed0 [ 0.820063] R13: dead000000000200 R14: 0000000000000001 R15: 0000000000000001 [ 0.820064] ? threshold_interrupt+0xa/0x20 [ 0.820066] ? run_timer_softirq+0x268/0x450 [ 0.820068] ? task_tick_fair+0x431/0x7d0 [ 0.820069] ? trigger_load_balance+0x50/0x1b0 [ 0.820071] __do_softirq+0xe4/0x2d4 [ 0.820073] irq_exit+0xc5/0xd0 [ 0.820074] smp_apic_timer_interrupt+0x79/0x140 [ 0.820075] apic_timer_interrupt+0xf/0x20 [ 0.820076] [ 0.820078] RIP: 0010:console_unlock+0x31b/0x4f0 [ 0.820078] Code: 0f 85 57 ff ff ff e8 54 fc ff ff 85 c0 0f 85 37 fd ff ff e9 45 ff ff ff 01 f7 e9 5a ff ff ff e8 9b 29 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 8b 55 c4 85 d2 0f 84 2d fd ff ff e8 f0 16 90 00 e9 [ 0.820091] RSP: 0018:ffff9e2b80073810 EFLAGS: 00000247 ORIG_RAX: ffffffffffffff13 [ 0.820092] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00000000ffffffff [ 0.820092] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000247 [ 0.820093] RBP: ffff9e2b80073858 R08: 0000000000000000 R09: 0720072007200720 [ 0.820093] R10: ffff921b6e94ff00 R11: 0720072007200720 R12: ffffffffa0b887cc [ 0.820094] R13: ffffffffa0b8b410 R14: ffffffffa08864a0 R15: 0000000000000000 [ 0.820096] vprintk_emit+0x19a/0x290 [ 0.820099] dev_vprintk_emit+0x127/0x230 [ 0.820100] ? sched_debug_header+0x170/0x5a0 [ 0.820102] dev_printk_emit+0x4a/0x70 [ 0.820103] __dev_printk+0x3c/0x80 [ 0.820104] _dev_info+0x64/0x80 [ 0.820107] pci_register_host_bridge+0x307/0x440 [ 0.820109] ? _cond_resched+0x19/0x40 [ 0.820111] ? __kmalloc+0x210/0x250 [ 0.820112] ? pci_alloc_host_bridge+0x1a/0x50 [ 0.820113] ? pci_alloc_host_bridge+0x1a/0x50 [ 0.820114] pci_create_root_bus+0x94/0xc0 [ 0.820116] acpi_pci_root_create+0x187/0x260 [ 0.820119] pci_acpi_scan_root+0x170/0x1c0 [ 0.820120] acpi_pci_root_add+0x26b/0x570 [ 0.820122] ? set_debug_rodata+0x17/0x17 [ 0.820124] acpi_bus_attach+0x163/0x1f0 [ 0.820125] acpi_bus_attach+0x8e/0x1f0 [ 0.820126] acpi_bus_attach+0x8e/0x1f0 [ 0.820128] ? acpi_sleep_proc_init+0x2a/0x2a [ 0.820129] ? acpi_sleep_proc_init+0x2a/0x2a [ 0.820130] acpi_bus_scan+0x47/0x90 [ 0.820131] acpi_scan_init+0x10d/0x251 [ 0.820132] ? acpi_sleep_proc_init+0x2a/0x2a [ 0.820133] acpi_init+0x2fb/0x35e [ 0.820135] do_one_initcall+0x4a/0x1c9 [ 0.820136] kernel_init_freeable+0x1c5/0x271 [ 0.820138] ? rest_init+0xb0/0xb0 [ 0.820139] kernel_init+0xe/0x110 [ 0.820140] ret_from_fork+0x22/0x40 [ 0.820141] Modules linked in: [ 0.820142] CR2: 0000000000000000 [ 0.820149] ---[ end trace d6556e3cee9257a0 ]--- [ 0.820151] RIP: 0010:amd_threshold_interrupt+0x5c/0xd0 [ 0.820151] Code: c1 00 97 3c a0 ba 01 00 00 00 48 c7 c0 d0 5d 01 00 4a 8b 34 f1 44 89 e1 d3 e2 85 14 06 74 4e 48 c7 c0 d8 5d 01 00 48 8b 04 06 <4a> 8b 04 28 48 8b 58 08 48 85 db 74 36 48 89 df e8 7f fe ff ff 48 [ 0.820164] RSP: 0018:ffff921b6ed03db8 EFLAGS: 00010002 [ 0.820165] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.820165] RDX: 0000000000000001 RSI: ffff921b6ed00000 RDI: ffff921b6ed03e18 [ 0.820166] RBP: ffff921b6ed03de0 R08: 0000000000000000 R09: 0000000000000000 [ 0.820166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 0.820167] R13: 0000000000000000 R14: 0000000000000004 R15: 0000000000000000 [ 0.820168] FS: 0000000000000000(0000) GS:ffff921b6ed00000(0000) knlGS:0000000000000000 [ 0.820168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.820169] CR2: 0000000000000000 CR3: 000000001e80a000 CR4: 00000000003406e0 [ 0.820169] Kernel panic - not syncing: Fatal exception in interrupt [ 0.824000] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---