[=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 22:26:24 -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=ef461ed71f713584f576c99df12ffb04dd99b33cd2d16edeb307d0cf2f5b4260 [ 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 15390895242 cycles [ 0.000004] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000007] tsc: Detected 2445.426 MHz processor [ 0.005664] last_pfn = 0x9c000 max_arch_pfn = 0x400000000 [ 0.009245] MTRR map: 4 entries (2 fixed + 2 variable; max 18), built from 8 variable MTRRs [ 0.009346] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014083] Using GB pages for direct mapping [ 0.014847] ACPI: Early table checksum verification disabled [ 0.014853] ACPI: RSDP 0x000000009BB7E014 000024 (v02 BOCHS ) [ 0.014857] ACPI: XSDT 0x000000009BB7D0E8 000054 (v01 BOCHS BXPC 00000001 01000013) [ 0.014861] ACPI: FACP 0x000000009BB79000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014865] ACPI: DSDT 0x000000009BB7A000 002237 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014867] ACPI: FACS 0x000000009BBDD000 000040 [ 0.014869] ACPI: APIC 0x000000009BB78000 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014871] ACPI: HPET 0x000000009BB77000 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014872] ACPI: MCFG 0x000000009BB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014874] ACPI: WAET 0x000000009BB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.014876] ACPI: BGRT 0x000000009BB74000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.014877] ACPI: Reserving FACP table memory at [mem 0x9bb79000-0x9bb790f3] [ 0.014878] ACPI: Reserving DSDT table memory at [mem 0x9bb7a000-0x9bb7c236] [ 0.014879] ACPI: Reserving FACS table memory at [mem 0x9bbdd000-0x9bbdd03f] [ 0.014880] ACPI: Reserving APIC table memory at [mem 0x9bb78000-0x9bb7808f] [ 0.014880] ACPI: Reserving HPET table memory at [mem 0x9bb77000-0x9bb77037] [ 0.014881] ACPI: Reserving MCFG table memory at [mem 0x9bb76000-0x9bb7603b] [ 0.014881] ACPI: Reserving WAET table memory at [mem 0x9bb75000-0x9bb75027] [ 0.014882] ACPI: Reserving BGRT table memory at [mem 0x9bb74000-0x9bb74037] [ 0.023017] No NUMA configuration found [ 0.023019] Faking a node at [mem 0x0000000000000000-0x000000009bffffff] [ 0.023022] NODE_DATA(0) allocated [mem 0x9bf57dc0-0x9bf5efff] [ 0.023049] Zone ranges: [ 0.023049] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.023051] DMA32 [mem 0x0000000001000000-0x000000009bffffff] [ 0.023052] Normal empty [ 0.023053] Device empty [ 0.023053] Movable zone start for each node [ 0.023054] Early memory node ranges [ 0.023054] node 0: [mem 0x0000000000001000-0x000000000002ffff] [ 0.023055] node 0: [mem 0x0000000000050000-0x000000000009efff] [ 0.023056] node 0: [mem 0x0000000000100000-0x000000009b8ecfff] [ 0.023056] node 0: [mem 0x000000009bbff000-0x000000009bfb0fff] [ 0.023057] node 0: [mem 0x000000009bfb7000-0x000000009bffffff] [ 0.023058] Initmem setup node 0 [mem 0x0000000000001000-0x000000009bffffff] [ 0.023467] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.023469] On node 0, zone DMA: 32 pages in unavailable ranges [ 0.023484] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.030791] On node 0, zone DMA32: 786 pages in unavailable ranges [ 0.030794] On node 0, zone DMA32: 6 pages in unavailable ranges [ 0.030892] On node 0, zone DMA32: 16384 pages in unavailable ranges [ 0.042837] ACPI: PM-Timer IO Port: 0x608 [ 0.043361] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.044529] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.044532] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.044533] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.044534] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.044535] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.044536] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.044538] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.044539] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.044543] TSC deadline timer available [ 0.044547] CPU topo: Max. logical packages: 1 [ 0.044547] CPU topo: Max. logical dies: 1 [ 0.044548] CPU topo: Max. dies per package: 1 [ 0.044551] CPU topo: Max. threads per core: 1 [ 0.044552] CPU topo: Num. cores per package: 4 [ 0.044552] CPU topo: Num. threads per package: 4 [ 0.044552] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 0.044901] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.045415] kvm-guest: KVM setup pv remote TLB flush [ 0.045707] kvm-guest: setup PV sched yield [ 0.045718] [mem 0x9d000000-0xdfffffff] available for PCI devices [ 0.045721] Booting paravirtualized kernel on KVM [ 0.045722] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.049799] setup_percpu: NR_CPUS:512 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.049935] percpu: Embedded 60 pages/cpu s207832 r8192 d29736 u524288 [ 0.050985] kvm-guest: PV spinlocks enabled [ 0.050987] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.050989] 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=ef461ed71f713584f576c99df12ffb04dd99b33cd2d16edeb307d0cf2f5b4260 [ 0.051531] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051859] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.052355] Fallback order for Node 0: 0 [ 0.052357] Built 1 zonelists, mobility grouping on. Total pages: 638054 [ 0.052359] Policy zone: DMA32 [ 0.052359] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.055628] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.055650] ftrace: allocating 40128 entries in 157 pages [ 0.065357] ftrace: allocated 157 pages with 5 groups [ 0.065984] Dynamic Preempt: voluntary [ 0.066311] rcu: Preemptible hierarchical RCU implementation. [ 0.066312] rcu: RCU event tracing is enabled. [ 0.066312] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4. [ 0.066314] Trampoline variant of Tasks RCU enabled. [ 0.066314] Rude variant of Tasks RCU enabled. [ 0.066315] Tracing variant of Tasks RCU enabled. [ 0.066316] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.066316] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.066321] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.066322] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.066323] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.070421] NR_IRQS: 33024, nr_irqs: 456, preallocated irqs: 16 [ 0.071985] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.072498] Console: colour dummy device 80x25 [ 0.073558] printk: legacy console [ttyS0] enabled [ 3.352827] ACPI: Core revision 20240827 [ 3.367854] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 3.398122] APIC: Switch to symmetric I/O mode setup [ 3.446995] x2apic enabled [ 3.470349] APIC: Switched APIC routing to: physical x2apic [ 3.488114] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 3.511075] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 3.541129] kvm-guest: setup PV IPIs [ 3.603378] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 3.623761] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x233fd7ba1b0, max_idle_ns: 440795295779 ns [ 3.660950] Calibrating delay loop (skipped) preset value.. 4890.85 BogoMIPS (lpj=2445426) [ 3.674269] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 3.683634] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 [ 3.684948] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 3.686167] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.686950] Spectre V2 : Mitigation: Retpolines [ 3.687948] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 3.688949] Speculative Store Bypass: Vulnerable [ 3.690948] Speculative Return Stack Overflow: IBPB-extending microcode not applied! [ 3.692949] Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options. [ 3.692951] active return thunk: srso_alias_return_thunk [ 3.695949] Speculative Return Stack Overflow: Vulnerable: Safe RET, no microcode [ 3.696948] Transient Scheduler Attacks: Forcing mitigation on in a VM [ 3.697948] Transient Scheduler Attacks: Vulnerable: Clear CPU buffers attempted, no microcode [ 3.701449] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 3.702950] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 3.704951] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 3.706949] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 3.707948] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 3.747017] Freeing SMP alternatives memory: 32K [ 3.747950] pid_max: default: 32768 minimum: 301