BdsDxe: loading Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi BdsDxe: starting Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi Poking KASLR using RDRAND RDTSC... [ 0.000000] Linux version 6.15.0-rc5+ (xin@xen-ubt) (gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #66 SMP PREEMPT_DYNAMIC Sat May 24 21:27:40 PDT 2025 [ 0.000000] Command line: placeholder root=UUID=314f1cc2-aefc-438b-a423-f1c9f3327fbb ro console=ttyS0 console=tty1 nokaslr selinux=0 earlyprintk=ttyS0 [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Released 0 page(s) [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] Xen: [mem 0x0000000000000000-0x000000000002ffff] usable [ 0.000000] Xen: [mem 0x0000000000030000-0x000000000004ffff] reserved [ 0.000000] Xen: [mem 0x0000000000050000-0x000000000007ffff] usable [ 0.000000] Xen: [mem 0x0000000000080000-0x00000000000fffff] reserved [ 0.000000] Xen: [mem 0x0000000000100000-0x000000007e8ecfff] usable [ 0.000000] Xen: [mem 0x000000007e8ed000-0x000000007eb6cfff] reserved [ 0.000000] Xen: [mem 0x000000007eb6d000-0x000000007eb7efff] ACPI data [ 0.000000] Xen: [mem 0x000000007eb7f000-0x000000007ebfefff] ACPI NVS [ 0.000000] Xen: [mem 0x000000007ebff000-0x000000007effffff] usable [ 0.000000] Xen: [mem 0x000000007f000000-0x000000007fffffff] reserved [ 0.000000] Xen: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] Xen: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] Xen: [mem 0x00000000fee00000-0x00000000feefffff] reserved [ 0.000000] Xen: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] Xen: [mem 0x0000000100000000-0x000000047fffffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] APIC: Static calls initialized [ 0.000000] efi: EFI v2.7 by Ubuntu distribution of EDK II [ 0.000000] efi: SMBIOS=0x7e9d5000 SMBIOS 3.0=0x7e9d3000 ACPI=0x7eb7e000 ACPI 2.0=0x7eb7e014 (MEMATTR=0x7d5f0198 unusable) MOKvar=0x7e980000 [ 0.000000] SMBIOS 3.0.0 present. [ 0.000000] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.02-2ubuntu0.1 10/25/2024 [ 0.000000] DMI: Memory slots populated: 1/1 [ 0.000000] Hypervisor detected: Xen PV [ 0.000038] Xen PV: Detected 28 vCPUS [ 0.028833] tsc: Fast TSC calibration using PIT [ 0.028834] tsc: Detected 3311.904 MHz processor [ 0.028835] tsc: Detected 3311.996 MHz TSC [ 0.028976] last_pfn = 0x480000 max_arch_pfn = 0x400000000 [ 0.028978] MTRR map: 2 entries (0 fixed + 2 variable; max 16), built from 8 variable MTRRs [ 0.028979] MTRRs set to read-only [ 0.028982] x86/PAT: Configuration [0-7]: WB WT UC- UC WC WP UC UC [ 0.028983] last_pfn = 0x7f000 max_arch_pfn = 0x400000000 [ 0.397524] Secure boot disabled [ 0.397527] RAMDISK: [mem 0x08000000-0x0a8fffff] [ 0.397548] ACPI: Early table checksum verification disabled [ 0.397556] ACPI: RSDP 0x000000007EB7E014 000024 (v02 BOCHS ) [ 0.397563] ACPI: XSDT 0x000000007EB7D0E8 00004C (v01 BOCHS BXPC 00000001 01000013) [ 0.397572] ACPI: FACP 0x000000007EB78000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.397581] ACPI: DSDT 0x000000007EB79000 00339C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.397587] ACPI: FACS 0x000000007EBDD000 000040 [ 0.397592] ACPI: APIC 0x000000007EB77000 000150 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.397598] ACPI: MCFG 0x000000007EB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.397604] ACPI: WAET 0x000000007EB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.397609] ACPI: BGRT 0x000000007EB74000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.397613] ACPI: Reserving FACP table memory at [mem 0x7eb78000-0x7eb780f3] [ 0.397614] ACPI: Reserving DSDT table memory at [mem 0x7eb79000-0x7eb7c39b] [ 0.397615] ACPI: Reserving FACS table memory at [mem 0x7ebdd000-0x7ebdd03f] [ 0.397615] ACPI: Reserving APIC table memory at [mem 0x7eb77000-0x7eb7714f] [ 0.397616] ACPI: Reserving MCFG table memory at [mem 0x7eb76000-0x7eb7603b] [ 0.397616] ACPI: Reserving WAET table memory at [mem 0x7eb75000-0x7eb75027] [ 0.397617] ACPI: Reserving BGRT table memory at [mem 0x7eb74000-0x7eb74037] [ 0.397711] APIC: Switched APIC routing to: Xen PV [ 0.397731] NUMA turned off [ 0.397732] Faking a node at [mem 0x0000000000000000-0x000000047fffffff] [ 0.397738] NODE_DATA(0) allocated [mem 0x3ec5422c0-0x3ec56cfff] [ 0.426264] Zone ranges: [ 0.426266] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.426268] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.426269] Normal [mem 0x0000000100000000-0x000000047fffffff] [ 0.426270] Device empty [ 0.426270] Movable zone start for each node [ 0.426272] Early memory node ranges [ 0.426272] node 0: [mem 0x0000000000001000-0x000000000002ffff] [ 0.426274] node 0: [mem 0x0000000000050000-0x000000000007ffff] [ 0.426274] node 0: [mem 0x0000000000100000-0x000000007e8ecfff] [ 0.426275] node 0: [mem 0x000000007ebff000-0x000000007effffff] [ 0.426276] node 0: [mem 0x0000000100000000-0x000000047fffffff] [ 0.426278] Initmem setup node 0 [mem 0x0000000000001000-0x000000047fffffff] [ 0.426283] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.426284] On node 0, zone DMA: 32 pages in unavailable ranges [ 0.426305] On node 0, zone DMA: 128 pages in unavailable ranges [ 0.428598] On node 0, zone DMA32: 786 pages in unavailable ranges [ 0.492278] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.492284] p2m virtual area at (____ptrval____), size is 40000000 [ 0.933896] Remapped 529330 page(s) [ 0.933898] Remapped 0 non-RAM page(s) [ 0.935229] ACPI: PM-Timer IO Port: 0x608 [ 0.935254] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.935287] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.935291] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.935293] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.935294] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.935295] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.935296] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.935303] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.935310] CPU topo: Max. logical packages: 28 [ 0.935311] CPU topo: Max. logical dies: 28 [ 0.935311] CPU topo: Max. dies per package: 1 [ 0.935314] CPU topo: Max. threads per core: 1 [ 0.935315] CPU topo: Num. cores per package: 1 [ 0.935315] CPU topo: Num. threads per package: 1 [ 0.935315] CPU topo: Allowing 28 present CPUs plus 0 hotplug CPUs [ 0.935332] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.935334] PM: hibernation: Registered nosave memory: [mem 0x00030000-0x0004ffff] [ 0.935335] PM: hibernation: Registered nosave memory: [mem 0x00080000-0x000fffff] [ 0.935336] PM: hibernation: Registered nosave memory: [mem 0x7e8ed000-0x7ebfefff] [ 0.935337] PM: hibernation: Registered nosave memory: [mem 0x7f000000-0xffffffff] [ 0.935338] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.935341] Booting kernel on Xen [ 0.935342] Xen version: 4.17.4-pre (preserve-AD) [ 0.935344] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.935360] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:28 nr_cpu_ids:28 nr_node_ids:1 [ 0.938970] percpu: Embedded 61 pages/cpu s212992 r8192 d28672 u262144 [ 0.939040] Kernel command line: placeholder root=UUID=314f1cc2-aefc-438b-a423-f1c9f3327fbb ro console=ttyS0 console=tty1 nokaslr selinux=0 earlyprintk=ttyS0 [ 0.939125] Unknown kernel command line parameters "placeholder nokaslr", will be passed to user space. [ 0.939133] random: crng init done [ 0.939134] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.945066] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear) [ 0.948032] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.949363] software IO TLB: area num 32. [ 0.992991] Fallback order for Node 0: 0 [ 0.992998] Built 1 zonelists, mobility grouping on. Total pages: 4189261 [ 0.993000] Policy zone: Normal [ 0.993008] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.046747] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=28, Nodes=1 [ 1.056277] ftrace: allocating 53419 entries in 212 pages [ 1.056279] ftrace: allocated 212 pages with 4 groups [ 1.056618] Dynamic Preempt: full [ 1.057102] rcu: Preemptible hierarchical RCU implementation. [ 1.057103] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=28. [ 1.057104] Trampoline variant of Tasks RCU enabled. [ 1.057105] Rude variant of Tasks RCU enabled. [ 1.057105] Tracing variant of Tasks RCU enabled. [ 1.057105] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 1.057106] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=28 [ 1.057163] RCU Tasks: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28. [ 1.057166] RCU Tasks Rude: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28. [ 1.057169] RCU Tasks Trace: Setting shift to 5 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=28. [ 1.063653] NR_IRQS: 524544, nr_irqs: 648, preallocated irqs: 16 [ 1.063759] xen:events: Using FIFO-based ABI [ 1.063826] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.064013] Console: colour dummy device 80x25 [ 1.064017] printk: legacy console [tty1] enabled [ 1.064166] printk: legacy console [hvc0] enabled [ 1.064426] printk: legacy console [ttyS0] enabled [ 1.174955] ACPI: Core revision 20240827 [ 1.175464] ACPI BIOS Warning (bug): Incorrect checksum in table [BGRT] - 0xC3, should be 0x79 (20240827/utcksum-58) [ 1.176687] clocksource: xen: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 1.177815] installing Xen timer for CPU 0 [ 1.178306] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2fbd9014c3f, max_idle_ns: 440795203887 ns [ 1.179566] Calibrating delay loop (skipped), value calculated using timer frequency.. 6623.99 BogoMIPS (lpj=13247984) [ 1.183778] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 1.184440] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 1.185169] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.186231] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 1.187170] Spectre V2 : Mitigation: Enhanced / Automatic IBRS [ 1.187571] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT [ 1.188377] RETBleed: Mitigation: Enhanced IBRS [ 1.188941] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.189933] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.190866] MMIO Stale Data: Mitigation: Clear CPU buffers [ 1.191465] ITS: Mitigation: Aligned branch/return thunks [ 1.191605] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 1.192437] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 1.193129] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 1.193818] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 1.194523] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 1.195215] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 1.195570] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 1.196237] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64 [ 1.196912] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512 [ 1.197581] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024 [ 1.198254] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format. [=3h[=3h[=3hBdsDxe: loading Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi BdsDxe: starting Boot0003 "Ubuntu" from HD(1,GPT,E5042798-1CA8-4A07-AFF1-E0D08DCBD629,0x800,0x219800)/\EFI\ubuntu\shimx64.efi