[=3h[=3h[=3hBdsDxe: loading Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x3,0x0) BdsDxe: starting Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x3,0x0) 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 Tue Jan 13 22:15:29 -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=6d34ab71a3dc5a0ab37eb2c851228af18a1e24f648223df9a1099dbd7db2cfcf [ 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 0x0000000000100000-0x000000009a101017] usable [ 0.000000] reserve setup_data: [mem 0x000000009a101018-0x000000009a13de57] usable [ 0.000000] reserve setup_data: [mem 0x000000009a13de58-0x000000009a13e017] usable [ 0.000000] reserve setup_data: [mem 0x000000009a13e018-0x000000009a147c57] usable [ 0.000000] reserve setup_data: [mem 0x000000009a147c58-0x000000009b8ecfff] 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=0x9a1af018 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 [ 0.000002] kvm-clock: using sched offset of 15366721492 cycles [ 0.000005] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000008] tsc: Detected 2445.426 MHz processor [ 0.007938] last_pfn = 0x9c000 max_arch_pfn = 0x400000000 [ 0.012823] MTRR map: 4 entries (2 fixed + 2 variable; max 18), built from 8 variable MTRRs [ 0.012957] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.019770] Using GB pages for direct mapping [ 0.020355] ACPI: Early table checksum verification disabled [ 0.020362] ACPI: RSDP 0x000000009BB7E014 000024 (v02 BOCHS ) [ 0.020366] ACPI: XSDT 0x000000009BB7D0E8 000054 (v01 BOCHS BXPC 00000001 01000013) [ 0.020371] ACPI: FACP 0x000000009BB79000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020375] ACPI: DSDT 0x000000009BB7A000 002237 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020377] ACPI: FACS 0x000000009BBDD000 000040 [ 0.020379] ACPI: APIC 0x000000009BB78000 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020381] ACPI: HPET 0x000000009BB77000 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020383] ACPI: MCFG 0x000000009BB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020385] ACPI: WAET 0x000000009BB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.020386] ACPI: BGRT 0x000000009BB74000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.020388] ACPI: Reserving FACP table memory at [mem 0x9bb79000-0x9bb790f3] [ 0.020389] ACPI: Reserving DSDT table memory at [mem 0x9bb7a000-0x9bb7c236] [ 0.020390] ACPI: Reserving FACS table memory at [mem 0x9bbdd000-0x9bbdd03f] [ 0.020390] ACPI: Reserving APIC table memory at [mem 0x9bb78000-0x9bb7808f] [ 0.020391] ACPI: Reserving HPET table memory at [mem 0x9bb77000-0x9bb77037] [ 0.020391] ACPI: Reserving MCFG table memory at [mem 0x9bb76000-0x9bb7603b] [ 0.020392] ACPI: Reserving WAET table memory at [mem 0x9bb75000-0x9bb75027] [ 0.020392] ACPI: Reserving BGRT table memory at [mem 0x9bb74000-0x9bb74037] [ 0.031795] No NUMA configuration found [ 0.031796] Faking a node at [mem 0x0000000000000000-0x000000009bffffff] [ 0.031800] NODE_DATA(0) allocated [mem 0x9bf57dc0-0x9bf5efff] [ 0.031826] Zone ranges: [ 0.031827] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.031828] DMA32 [mem 0x0000000001000000-0x000000009bffffff] [ 0.031829] Normal empty [ 0.031830] Device empty [ 0.031831] Movable zone start for each node [ 0.031831] Early memory node ranges [ 0.031832] node 0: [mem 0x0000000000001000-0x000000000002ffff] [ 0.031833] node 0: [mem 0x0000000000050000-0x000000000009efff] [ 0.031833] node 0: [mem 0x0000000000100000-0x000000009b8ecfff] [ 0.031834] node 0: [mem 0x000000009bbff000-0x000000009bfb0fff] [ 0.031835] node 0: [mem 0x000000009bfb7000-0x000000009bffffff] [ 0.031835] Initmem setup node 0 [mem 0x0000000000001000-0x000000009bffffff] [ 0.032141] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.032143] On node 0, zone DMA: 32 pages in unavailable ranges [ 0.032158] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.040880] On node 0, zone DMA32: 786 pages in unavailable ranges [ 0.040884] On node 0, zone DMA32: 6 pages in unavailable ranges [ 0.040982] On node 0, zone DMA32: 16384 pages in unavailable ranges [ 0.057295] ACPI: PM-Timer IO Port: 0x608 [ 0.057842] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.059340] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.059343] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.059345] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.059346] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.059347] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.059348] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.059350] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.059351] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.059355] TSC deadline timer available [ 0.059359] CPU topo: Max. logical packages: 1 [ 0.059359] CPU topo: Max. logical dies: 1 [ 0.059360] CPU topo: Max. dies per package: 1 [ 0.059363] CPU topo: Max. threads per core: 1 [ 0.059364] CPU topo: Num. cores per package: 4 [ 0.059364] CPU topo: Num. threads per package: 4 [ 0.059365] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 0.059922] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.060448] kvm-guest: KVM setup pv remote TLB flush [ 0.060980] kvm-guest: setup PV sched yield [ 0.060992] [mem 0x9d000000-0xdfffffff] available for PCI devices [ 0.060994] Booting paravirtualized kernel on KVM [ 0.060996] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.065085] setup_percpu: NR_CPUS:512 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.065219] percpu: Embedded 60 pages/cpu s207832 r8192 d29736 u524288 [ 0.066584] kvm-guest: PV spinlocks enabled [ 0.066586] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.066589] 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=6d34ab71a3dc5a0ab37eb2c851228af18a1e24f648223df9a1099dbd7db2cfcf [ 0.067428] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.067960] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.068555] Fallback order for Node 0: 0 [ 0.068558] Built 1 zonelists, mobility grouping on. Total pages: 638054 [ 0.068559] Policy zone: DMA32 [ 0.068560] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.071882] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.071901] ftrace: allocating 40097 entries in 157 pages [ 0.081926] ftrace: allocated 157 pages with 5 groups [ 0.082590] Dynamic Preempt: voluntary [ 0.083086] rcu: Preemptible hierarchical RCU implementation. [ 0.083087] rcu: RCU event tracing is enabled. [ 0.083088] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4. [ 0.083089] Trampoline variant of Tasks RCU enabled. [ 0.083090] Rude variant of Tasks RCU enabled. [ 0.083090] Tracing variant of Tasks RCU enabled. [ 0.083091] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.083091] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.083097] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.083098] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.083099] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.087514] NR_IRQS: 33024, nr_irqs: 456, preallocated irqs: 16 [ 0.089840] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.090315] Console: colour dummy device 80x25 [ 0.091511] printk: legacy console [ttyS0] enabled [ 4.428111] ACPI: Core revision 20240827 [ 4.447993] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 4.489487] APIC: Switch to symmetric I/O mode setup [ 4.639410] x2apic enabled [ 4.673522] APIC: Switched APIC routing to: physical x2apic [ 4.705371] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 4.738448] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 4.783471] kvm-guest: setup PV IPIs [ 4.871580] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 4.898045] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x233fd7ba1b0, max_idle_ns: 440795295779 ns [ 4.947237] Calibrating delay loop (skipped) preset value.. 4890.85 BogoMIPS (lpj=2445426) [ 4.965236] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 4.978757] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 [ 4.979240] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 4.981234] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 4.983240] Spectre V2 : Mitigation: Retpolines [ 4.985237] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 4.987238] Speculative Store Bypass: Vulnerable [ 4.988240] Speculative Return Stack Overflow: IBPB-extending microcode not applied! [ 4.989240] Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options. [ 4.989243] active return thunk: srso_alias_return_thunk [ 4.991239] Speculative Return Stack Overflow: Vulnerable: Safe RET, no microcode [ 4.992240] Transient Scheduler Attacks: Forcing mitigation on in a VM [ 4.993240] Transient Scheduler Attacks: Vulnerable: Clear CPU buffers attempted, no microcode [ 4.996775] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 4.998239] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 4.999240] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 5.001237] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 5.002240] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 5.051643] Freeing SMP alternatives memory: 32K [ 5.052238] pid_max: default: 32768 minimum: 301