[=3h[=3h[=3hBdsDxe: loading Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x4,0x0) BdsDxe: starting Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x4,0x0) btrfs_relative_path='' btrfs_subvol='' btrfs_subvolid='' check_signatures='no' color_highlight='black/light-gray' color_normal='light-gray/black' feature_200_final='y' feature_all_video_module='y' feature_chainloader_bpb='y' feature_default_font_path='y' feature_menuentry_id='y' feature_menuentry_options='y' feature_nativedisk_cmd='y' feature_ntldr='y' feature_platform_search_hint='y' feature_timeout_style='y' fw_path='(hd0,gpt1)/EFI/BOOT' grub_cpu='x86_64' grub_netfs_type='grub' grub_platform='efi' lang='' locale_dir='' lockdown='y' net_default_ip='' net_default_mac='' net_default_server='' pager='' prefix='(memdisk)' pxe_default_server='' root='hd0,gpt1' secondary_locale_dir='' shim_lock='y' GRUB version 2.12-flatcar3 ┌────────────────────────────────────────────────────────────────────────────────────────────────┐││││││││││││││││││││││││││││││││││││││└────────────────────────────────────────────────────────────────────────────────────────────────┘ Use the ▲ and ▼ keys to select which entry is highlighted. Press enter to boot the selected OS, `e' to edit the commands before booting or `c' for a command-line. *Flatcar default  Flatcar USR-A  Flatcar USR-B                  The highlighted entry will be executed automatically in 1s.  The highlighted entry will be executed automatically in 0s.  Booting `Flatcar default' EFI stub: UEFI Secure Boot is enabled. [ 0.000000] Linux version 6.12.65-flatcar (build@pony-truck.infra.kinvolk.io) (x86_64-cros-linux-gnu-gcc (Gentoo Hardened 14.3.1_p20250801 p4) 14.3.1 20250801, GNU ld (Gentoo 2.45 p3) 2.45.0) #1 SMP PREEMPT_DYNAMIC Wed Jan 14 22:02:13 -00 2026 [ 0.000000] Command line: BOOT_IMAGE=/flatcar/vmlinuz-a mount.usr=/dev/mapper/usr verity.usr=PARTUUID=7130c94a-213a-4e5a-8e26-6cce9662f132 rootflags=rw mount.usrflags=ro consoleblank=0 root=LABEL=ROOT console=ttyS0,115200 flatcar.first_boot=detected verity.usrhash=1042e64ca7212ba2a277cb872bdf1dc4e195c9fb8110078c443b3efbd2488cb9 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000002ffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000030000-0x000000000004ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000050000-0x000000000009efff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f000-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000009b8ecfff] usable [ 0.000000] BIOS-e820: [mem 0x000000009b8ed000-0x000000009bb6cfff] reserved [ 0.000000] BIOS-e820: [mem 0x000000009bb6d000-0x000000009bb7efff] ACPI data [ 0.000000] BIOS-e820: [mem 0x000000009bb7f000-0x000000009bbfefff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000009bbff000-0x000000009bfb0fff] usable [ 0.000000] BIOS-e820: [mem 0x000000009bfb1000-0x000000009bfb4fff] reserved [ 0.000000] BIOS-e820: [mem 0x000000009bfb5000-0x000000009bfb6fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000009bfb7000-0x000000009bffffff] usable [ 0.000000] BIOS-e820: [mem 0x000000009c000000-0x000000009cffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] BIOS-e820: [mem 0x000000fd00000000-0x000000ffffffffff] reserved [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] APIC: Static calls initialized [ 0.000000] extended physical RAM map: [ 0.000000] reserve setup_data: [mem 0x0000000000000000-0x000000000002ffff] usable [ 0.000000] reserve setup_data: [mem 0x0000000000030000-0x000000000004ffff] reserved [ 0.000000] reserve setup_data: [mem 0x0000000000050000-0x000000000009efff] usable [ 0.000000] reserve setup_data: [mem 0x000000000009f000-0x000000000009ffff] reserved [ 0.000000] reserve setup_data: [mem 0x0000000000100000-0x000000009a106017] usable [ 0.000000] reserve setup_data: [mem 0x000000009a106018-0x000000009a142e57] usable [ 0.000000] reserve setup_data: [mem 0x000000009a142e58-0x000000009a143017] usable [ 0.000000] reserve setup_data: [mem 0x000000009a143018-0x000000009a14cc57] usable [ 0.000000] reserve setup_data: [mem 0x000000009a14cc58-0x000000009b8ecfff] usable [ 0.000000] reserve setup_data: [mem 0x000000009b8ed000-0x000000009bb6cfff] reserved [ 0.000000] reserve setup_data: [mem 0x000000009bb6d000-0x000000009bb7efff] ACPI data [ 0.000000] reserve setup_data: [mem 0x000000009bb7f000-0x000000009bbfefff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x000000009bbff000-0x000000009bfb0fff] usable [ 0.000000] reserve setup_data: [mem 0x000000009bfb1000-0x000000009bfb4fff] reserved [ 0.000000] reserve setup_data: [mem 0x000000009bfb5000-0x000000009bfb6fff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x000000009bfb7000-0x000000009bffffff] usable [ 0.000000] reserve setup_data: [mem 0x000000009c000000-0x000000009cffffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000e0000000-0x00000000efffffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000] reserve setup_data: [mem 0x000000fd00000000-0x000000ffffffffff] reserved [ 0.000000] efi: EFI v2.7 by EDK II [ 0.000000] efi: SMBIOS=0x9b9d5000 ACPI=0x9bb7e000 ACPI 2.0=0x9bb7e014 MEMATTR=0x9a1b4018 RNG=0x9bb73018 [ 0.000000] random: crng init done [ 0.000000] Kernel is locked down from EFI Secure Boot; see man kernel_lockdown.7 [ 0.000000] secureboot: Secure boot enabled [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS unknown 02/02/2022 [ 0.000000] DMI: Memory slots populated: 1/1 [ 0.000000] Hypervisor detected: KVM [ 0.000000] last_pfn = 0x9c000 max_arch_pfn = 0x400000000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003] kvm-clock: using sched offset of 42396152611 cycles [ 0.000005] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000009] tsc: Detected 2445.426 MHz processor [ 0.010705] last_pfn = 0x9c000 max_arch_pfn = 0x400000000 [ 0.017534] MTRR map: 4 entries (2 fixed + 2 variable; max 18), built from 8 variable MTRRs [ 0.017696] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.027720] Using GB pages for direct mapping [ 0.028926] ACPI: Early table checksum verification disabled [ 0.028932] ACPI: RSDP 0x000000009BB7E014 000024 (v02 BOCHS ) [ 0.028937] ACPI: XSDT 0x000000009BB7D0E8 000054 (v01 BOCHS BXPC 00000001 01000013) [ 0.028942] ACPI: FACP 0x000000009BB79000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028946] ACPI: DSDT 0x000000009BB7A000 002248 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028948] ACPI: FACS 0x000000009BBDD000 000040 [ 0.028950] ACPI: APIC 0x000000009BB78000 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028952] ACPI: HPET 0x000000009BB77000 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028954] ACPI: MCFG 0x000000009BB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028955] ACPI: WAET 0x000000009BB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.028957] ACPI: BGRT 0x000000009BB74000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.028959] ACPI: Reserving FACP table memory at [mem 0x9bb79000-0x9bb790f3] [ 0.028960] ACPI: Reserving DSDT table memory at [mem 0x9bb7a000-0x9bb7c247] [ 0.028961] ACPI: Reserving FACS table memory at [mem 0x9bbdd000-0x9bbdd03f] [ 0.028961] ACPI: Reserving APIC table memory at [mem 0x9bb78000-0x9bb7808f] [ 0.028962] ACPI: Reserving HPET table memory at [mem 0x9bb77000-0x9bb77037] [ 0.028962] ACPI: Reserving MCFG table memory at [mem 0x9bb76000-0x9bb7603b] [ 0.028963] ACPI: Reserving WAET table memory at [mem 0x9bb75000-0x9bb75027] [ 0.028964] ACPI: Reserving BGRT table memory at [mem 0x9bb74000-0x9bb74037] [ 0.043975] No NUMA configuration found [ 0.043978] Faking a node at [mem 0x0000000000000000-0x000000009bffffff] [ 0.043984] NODE_DATA(0) allocated [mem 0x9bf57dc0-0x9bf5efff] [ 0.044016] Zone ranges: [ 0.044016] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.044019] DMA32 [mem 0x0000000001000000-0x000000009bffffff] [ 0.044020] Normal empty [ 0.044020] Device empty [ 0.044021] Movable zone start for each node [ 0.044022] Early memory node ranges [ 0.044022] node 0: [mem 0x0000000000001000-0x000000000002ffff] [ 0.044023] node 0: [mem 0x0000000000050000-0x000000000009efff] [ 0.044024] node 0: [mem 0x0000000000100000-0x000000009b8ecfff] [ 0.044024] node 0: [mem 0x000000009bbff000-0x000000009bfb0fff] [ 0.044025] node 0: [mem 0x000000009bfb7000-0x000000009bffffff] [ 0.044026] Initmem setup node 0 [mem 0x0000000000001000-0x000000009bffffff] [ 0.047607] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.048057] On node 0, zone DMA: 32 pages in unavailable ranges [ 0.061642] On node 0, zone DMA: 97 pages in unavailable ranges [ 2.115651] On node 0, zone DMA32: 786 pages in unavailable ranges [ 2.116416] On node 0, zone DMA32: 6 pages in unavailable ranges [ 2.116617] On node 0, zone DMA32: 16384 pages in unavailable ranges [ 2.148025] ACPI: PM-Timer IO Port: 0x608 [ 2.148911] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 2.151708] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 2.151716] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 2.151720] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 2.151945] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 2.151947] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 2.151949] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 2.151954] ACPI: Using ACPI (MADT) for SMP configuration information [ 2.151956] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 2.151964] TSC deadline timer available [ 2.151972] CPU topo: Max. logical packages: 1 [ 2.151973] CPU topo: Max. logical dies: 1 [ 2.151974] CPU topo: Max. dies per package: 1 [ 2.151981] CPU topo: Max. threads per core: 1 [ 2.151982] CPU topo: Num. cores per package: 4 [ 2.151983] CPU topo: Num. threads per package: 4 [ 2.151984] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 2.153331] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 2.154644] kvm-guest: KVM setup pv remote TLB flush [ 2.155502] kvm-guest: setup PV sched yield [ 2.155981] [mem 0x9d000000-0xdfffffff] available for PCI devices [ 2.155985] Booting paravirtualized kernel on KVM [ 2.155988] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 2.169829] setup_percpu: NR_CPUS:512 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 2.170027] percpu: Embedded 60 pages/cpu s207832 r8192 d29736 u524288 [ 2.173607] kvm-guest: PV spinlocks enabled [ 2.173613] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.173620] Kernel command line: rootflags=rw mount.usrflags=ro BOOT_IMAGE=/flatcar/vmlinuz-a mount.usr=/dev/mapper/usr verity.usr=PARTUUID=7130c94a-213a-4e5a-8e26-6cce9662f132 rootflags=rw mount.usrflags=ro consoleblank=0 root=LABEL=ROOT console=ttyS0,115200 flatcar.first_boot=detected verity.usrhash=1042e64ca7212ba2a277cb872bdf1dc4e195c9fb8110078c443b3efbd2488cb9 [ 2.199912] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 2.201805] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 2.203697] Fallback order for Node 0: 0 [ 2.203703] Built 1 zonelists, mobility grouping on. Total pages: 638054 [ 2.203705] Policy zone: DMA32 [ 2.203708] mem auto-init: stack:off, heap alloc:off, heap free:off [ 2.232662] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 2.232701] ftrace: allocating 40097 entries in 157 pages [ 2.250816] ftrace: allocated 157 pages with 5 groups [ 2.253392] Dynamic Preempt: voluntary [ 2.257718] rcu: Preemptible hierarchical RCU implementation. [ 2.257721] rcu: RCU event tracing is enabled. [ 2.257723] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4. [ 2.257726] Trampoline variant of Tasks RCU enabled. [ 2.257727] Rude variant of Tasks RCU enabled. [ 2.257727] Tracing variant of Tasks RCU enabled. [ 2.257728] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 2.257729] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 2.257739] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 2.257741] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 2.257743] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 2.272657] NR_IRQS: 33024, nr_irqs: 456, preallocated irqs: 16 [ 2.275890] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.276780] Console: colour dummy device 80x25 [ 2.278669] printk: legacy console [ttyS0] enabled [ 8.872402] ACPI: Core revision 20240827 [ 8.898535] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 9.359829] APIC: Switch to symmetric I/O mode setup [ 12.703559] x2apic enabled [ 13.266876] APIC: Switched APIC routing to: physical x2apic [ 13.470847] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 13.881889] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 14.345872] kvm-guest: setup PV IPIs [ 14.927405] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 14.968904] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x233fd7ba1b0, max_idle_ns: 440795295779 ns [ 15.056636] Calibrating delay loop (skipped) preset value.. 4890.85 BogoMIPS (lpj=2445426) [ 15.111821] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 15.142990] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 [ 15.144823] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 15.147818] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 15.149825] Spectre V2 : Mitigation: Retpolines [ 15.151822] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 15.152826] Speculative Store Bypass: Vulnerable [ 15.153826] Speculative Return Stack Overflow: IBPB-extending microcode not applied! [ 15.154825] Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options. [ 15.154828] active return thunk: srso_alias_return_thunk [ 15.160822] Speculative Return Stack Overflow: Vulnerable: Safe RET, no microcode [ 15.161821] Transient Scheduler Attacks: Forcing mitigation on in a VM [ 15.162822] Transient Scheduler Attacks: Vulnerable: Clear CPU buffers attempted, no microcode [ 15.169190] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 15.169824] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 15.172821] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 15.173823] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 15.175819] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 15.252906] Freeing SMP alternatives memory: 32K [ 15.253822] pid_max: default: 32768 minimum: 301