[=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 6.12.74-flatcar (build@pony-truck.infra.kinvolk.io) (x86_64-cros-linux-gnu-gcc (Gentoo Hardened 14.3.0 p8) 14.3.0, GNU ld (Gentoo 2.44 p4) 2.44.0) #1 SMP PREEMPT_DYNAMIC Thu Mar 12 22:08:29 -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=a2116dc4421f78fe124deb19b9ad6d70a0cb4fc0b3349854f4ce4e2904d4925d [ 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 25069991186 cycles [ 0.000004] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000007] tsc: Detected 2445.424 MHz processor [ 0.010085] last_pfn = 0x9c000 max_arch_pfn = 0x400000000 [ 0.017547] MTRR map: 4 entries (2 fixed + 2 variable; max 18), built from 8 variable MTRRs [ 0.017716] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.026780] Using GB pages for direct mapping [ 0.027828] ACPI: Early table checksum verification disabled [ 0.027833] ACPI: RSDP 0x000000009BB7E014 000024 (v02 BOCHS ) [ 0.027838] ACPI: XSDT 0x000000009BB7D0E8 000054 (v01 BOCHS BXPC 00000001 01000013) [ 0.027842] ACPI: FACP 0x000000009BB79000 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027845] ACPI: DSDT 0x000000009BB7A000 002237 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027848] ACPI: FACS 0x000000009BBDD000 000040 [ 0.027849] ACPI: APIC 0x000000009BB78000 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027851] ACPI: HPET 0x000000009BB77000 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027853] ACPI: MCFG 0x000000009BB76000 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027854] ACPI: WAET 0x000000009BB75000 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.027856] ACPI: BGRT 0x000000009BB74000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.027858] ACPI: Reserving FACP table memory at [mem 0x9bb79000-0x9bb790f3] [ 0.027859] ACPI: Reserving DSDT table memory at [mem 0x9bb7a000-0x9bb7c236] [ 0.027859] ACPI: Reserving FACS table memory at [mem 0x9bbdd000-0x9bbdd03f] [ 0.027860] ACPI: Reserving APIC table memory at [mem 0x9bb78000-0x9bb7808f] [ 0.027860] ACPI: Reserving HPET table memory at [mem 0x9bb77000-0x9bb77037] [ 0.027861] ACPI: Reserving MCFG table memory at [mem 0x9bb76000-0x9bb7603b] [ 0.027861] ACPI: Reserving WAET table memory at [mem 0x9bb75000-0x9bb75027] [ 0.027862] ACPI: Reserving BGRT table memory at [mem 0x9bb74000-0x9bb74037] [ 0.043594] No NUMA configuration found [ 0.043595] Faking a node at [mem 0x0000000000000000-0x000000009bffffff] [ 0.043598] NODE_DATA(0) allocated [mem 0x9bf57dc0-0x9bf5efff] [ 0.043625] Zone ranges: [ 0.043625] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.043627] DMA32 [mem 0x0000000001000000-0x000000009bffffff] [ 0.043628] Normal empty [ 0.043629] Device empty [ 0.043629] Movable zone start for each node [ 0.043630] Early memory node ranges [ 0.043630] node 0: [mem 0x0000000000001000-0x000000000002ffff] [ 0.043631] node 0: [mem 0x0000000000050000-0x000000000009efff] [ 0.043632] node 0: [mem 0x0000000000100000-0x000000009b8ecfff] [ 0.043633] node 0: [mem 0x000000009bbff000-0x000000009bfb0fff] [ 0.043633] node 0: [mem 0x000000009bfb7000-0x000000009bffffff] [ 0.043634] Initmem setup node 0 [mem 0x0000000000001000-0x000000009bffffff] [ 0.043984] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.043986] On node 0, zone DMA: 32 pages in unavailable ranges [ 0.043999] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.053372] On node 0, zone DMA32: 786 pages in unavailable ranges [ 0.053376] On node 0, zone DMA32: 6 pages in unavailable ranges [ 0.053473] On node 0, zone DMA32: 16384 pages in unavailable ranges [ 0.075429] ACPI: PM-Timer IO Port: 0x608 [ 0.075947] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.078047] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.078050] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.078051] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.078052] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.078053] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.078054] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.078057] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.078057] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.078061] TSC deadline timer available [ 0.078065] CPU topo: Max. logical packages: 1 [ 0.078066] CPU topo: Max. logical dies: 1 [ 0.078066] CPU topo: Max. dies per package: 1 [ 0.078069] CPU topo: Max. threads per core: 1 [ 0.078070] CPU topo: Num. cores per package: 4 [ 0.078070] CPU topo: Num. threads per package: 4 [ 0.078071] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 0.078779] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.079480] kvm-guest: KVM setup pv remote TLB flush [ 0.079975] kvm-guest: setup PV sched yield [ 0.079987] [mem 0x9d000000-0xdfffffff] available for PCI devices [ 0.079989] Booting paravirtualized kernel on KVM [ 0.079990] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.084569] setup_percpu: NR_CPUS:512 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.084696] percpu: Embedded 60 pages/cpu s207832 r8192 d29736 u524288 [ 0.086614] kvm-guest: PV spinlocks enabled [ 0.086616] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.086619] 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=a2116dc4421f78fe124deb19b9ad6d70a0cb4fc0b3349854f4ce4e2904d4925d [ 0.087385] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.087771] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.088714] Fallback order for Node 0: 0 [ 0.088717] Built 1 zonelists, mobility grouping on. Total pages: 638054 [ 0.088718] Policy zone: DMA32 [ 0.088719] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.092435] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.092455] ftrace: allocating 40099 entries in 157 pages [ 0.102633] ftrace: allocated 157 pages with 5 groups [ 0.103660] Dynamic Preempt: voluntary [ 0.104023] rcu: Preemptible hierarchical RCU implementation. [ 0.104023] rcu: RCU event tracing is enabled. [ 0.104024] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=4. [ 0.104025] Trampoline variant of Tasks RCU enabled. [ 0.104026] Rude variant of Tasks RCU enabled. [ 0.104026] Tracing variant of Tasks RCU enabled. [ 0.104027] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.104027] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.104032] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.104033] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.104034] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.108678] NR_IRQS: 33024, nr_irqs: 456, preallocated irqs: 16 [ 0.111626] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.112397] Console: colour dummy device 80x25 [ 0.114068] printk: legacy console [ttyS0] enabled [ 5.854702] ACPI: Core revision 20240827 [ 5.880900] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 6.997502] APIC: Switch to symmetric I/O mode setup [ 25.450734] x2apic enabled [ 94.891526] APIC: Switched APIC routing to: physical x2apic [ 94.980548] kvm-guest: APIC: send_IPI_mask() replaced with kvm_send_ipi_mask() [ 95.040520] kvm-guest: APIC: send_IPI_mask_allbutself() replaced with kvm_send_ipi_mask_allbutself() [ 105.340161] kvm-guest: setup PV IPIs [ 105.406631] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 105.426277] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x233fd5e8294, max_idle_ns: 440795237246 ns [ 105.463436] Calibrating delay loop (skipped) preset value.. 4890.84 BogoMIPS (lpj=2445424) [ 105.476548] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 105.487123] Last level iTLB entries: 4KB 512, 2MB 255, 4MB 127 [ 105.488434] Last level dTLB entries: 4KB 512, 2MB 255, 4MB 127, 1GB 0 [ 105.490634] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 105.491435] Spectre V2 : Mitigation: Retpolines [ 105.492434] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 105.493434] Speculative Store Bypass: Vulnerable [ 105.496433] Speculative Return Stack Overflow: IBPB-extending microcode not applied! [ 105.498433] Speculative Return Stack Overflow: WARNING: See https://kernel.org/doc/html/latest/admin-guide/hw-vuln/srso.html for mitigation options. [ 105.498435] active return thunk: srso_alias_return_thunk [ 105.501434] Speculative Return Stack Overflow: Vulnerable: Safe RET, no microcode [ 105.503433] Transient Scheduler Attacks: Forcing mitigation on in a VM [ 105.505433] Transient Scheduler Attacks: Vulnerable: Clear CPU buffers attempted, no microcode [ 105.508433] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 105.509434] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 105.511434] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 105.512434] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 105.513433] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'compacted' format. [ 105.551815] Freeing SMP alternatives memory: 32K [ 105.552436] pid_max: default: 32768 minimum: 301