[=3h[=3h[=3h[=3hbtrfs_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='' net_default_ip='' net_default_mac='' net_default_server='' pager='' prefix='(memdisk)' pxe_default_server='' root='hd0,gpt1' secondary_locale_dir='' error: /build/amd64-usr/var/tmp/portage/sys-boot/grub-2.12-r6/work/grub-2.12/grub-core /fs/fshelp.c:257:file `/flatcar/grub/x86_64-efi/all_video.mod' not found. GRUB version 2.12-flatcar3 ����������������������������������������������������������������������������Ŀ�������������������������������������������������������������������������������������������������������� Use the ^ and v 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        [2025-06-20T19:52:12.405130]      The highlighted entry will be executed automatically in 1s.  The highlighted entry will be executed automatically in 0s.  Booting `Flatcar default' [ 0.000000] Linux version 6.12.34-flatcar (build@pony-truck.infra.kinvolk.io) (x86_64-cros-linux-gnu-gcc (Gentoo Hardened 14.2.1_p20241221 p7) 14.2.1 20241221, GNU ld (Gentoo 2.44 p1) 2.44.0) #1 SMP PREEMPT_DYNAMIC Fri Jun 20 17:06:39 -00 2025 [ 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=ttyS0,115200n8 console=tty0 flatcar.first_boot=detected flatcar.oem.id=ec2 modprobe.blacklist=xen_fbfront net.ifnames=0 nvme_core.io_timeout=4294967295 verity.usrhash=b7bb3b1ced9c5d47870a8b74c6c30075189c27e25d75251cfa7215e4bbff75ea [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000786cdfff] usable [ 0.000000] BIOS-e820: [mem 0x00000000786ce000-0x000000007894dfff] reserved [ 0.000000] BIOS-e820: [mem 0x000000007894e000-0x000000007895dfff] ACPI data [ 0.000000] BIOS-e820: [mem 0x000000007895e000-0x00000000789ddfff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000789de000-0x000000007c97bfff] usable [ 0.000000] BIOS-e820: [mem 0x000000007c97c000-0x000000007c9fffff] 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 0x0000000000000000-0x000000000009ffff] usable [ 0.000000] reserve setup_data: [mem 0x0000000000100000-0x00000000768c0017] usable [ 0.000000] reserve setup_data: [mem 0x00000000768c0018-0x00000000768c8e57] usable [ 0.000000] reserve setup_data: [mem 0x00000000768c8e58-0x00000000786cdfff] usable [ 0.000000] reserve setup_data: [mem 0x00000000786ce000-0x000000007894dfff] reserved [ 0.000000] reserve setup_data: [mem 0x000000007894e000-0x000000007895dfff] ACPI data [ 0.000000] reserve setup_data: [mem 0x000000007895e000-0x00000000789ddfff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x00000000789de000-0x000000007c97bfff] usable [ 0.000000] reserve setup_data: [mem 0x000000007c97c000-0x000000007c9fffff] reserved [ 0.000000] efi: EFI v2.7 by EDK II [ 0.000000] efi: SMBIOS=0x7886a000 ACPI=0x7895d000 ACPI 2.0=0x7895d014 MEMATTR=0x77003518 [ 0.000000] secureboot: Secure boot disabled [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Amazon EC2 t3.small/, BIOS 1.0 10/16/2017 [ 0.000000] DMI: Memory slots populated: 1/1 [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000001] kvm-clock: using sched offset of 7248378648 cycles [ 0.000003] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000006] tsc: Detected 2499.998 MHz processor [ 0.000101] last_pfn = 0x7c97c max_arch_pfn = 0x400000000 [ 0.000130] MTRR map: 4 entries (2 fixed + 2 variable; max 18), built from 8 variable MTRRs [ 0.000133] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000184] Using GB pages for direct mapping [ 0.000403] ACPI: Early table checksum verification disabled [ 0.000406] ACPI: RSDP 0x000000007895D014 000024 (v02 AMAZON) [ 0.000410] ACPI: XSDT 0x000000007895C0E8 00006C (v01 AMAZON AMZNFACP 00000001 01000013) [ 0.000416] ACPI: FACP 0x0000000078955000 000114 (v01 AMAZON AMZNFACP 00000001 AMZN 00000001) [ 0.000422] ACPI: DSDT 0x0000000078956000 00115A (v01 AMAZON AMZNDSDT 00000001 AMZN 00000001) [ 0.000425] ACPI: FACS 0x00000000789D0000 000040 [ 0.000428] ACPI: WAET 0x000000007895B000 000028 (v01 AMAZON AMZNWAET 00000001 AMZN 00000001) [ 0.000431] ACPI: SLIT 0x000000007895A000 00006C (v01 AMAZON AMZNSLIT 00000001 AMZN 00000001) [ 0.000433] ACPI: APIC 0x0000000078959000 000076 (v01 AMAZON AMZNAPIC 00000001 AMZN 00000001) [ 0.000436] ACPI: SRAT 0x0000000078958000 0000A0 (v01 AMAZON AMZNSRAT 00000001 AMZN 00000001) [ 0.000439] ACPI: HPET 0x0000000078954000 000038 (v01 AMAZON AMZNHPET 00000001 AMZN 00000001) [ 0.000442] ACPI: SSDT 0x0000000078953000 000759 (v01 AMAZON AMZNSSDT 00000001 AMZN 00000001) [ 0.000445] ACPI: SSDT 0x0000000078952000 00007F (v01 AMAZON AMZNSSDT 00000001 AMZN 00000001) [ 0.000448] ACPI: BGRT 0x0000000078951000 000038 (v01 AMAZON AMAZON 00000002 01000013) [ 0.000450] ACPI: Reserving FACP table memory at [mem 0x78955000-0x78955113] [ 0.000451] ACPI: Reserving DSDT table memory at [mem 0x78956000-0x78957159] [ 0.000452] ACPI: Reserving FACS table memory at [mem 0x789d0000-0x789d003f] [ 0.000453] ACPI: Reserving WAET table memory at [mem 0x7895b000-0x7895b027] [ 0.000453] ACPI: Reserving SLIT table memory at [mem 0x7895a000-0x7895a06b] [ 0.000454] ACPI: Reserving APIC table memory at [mem 0x78959000-0x78959075] [ 0.000455] ACPI: Reserving SRAT table memory at [mem 0x78958000-0x7895809f] [ 0.000456] ACPI: Reserving HPET table memory at [mem 0x78954000-0x78954037] [ 0.000456] ACPI: Reserving SSDT table memory at [mem 0x78953000-0x78953758] [ 0.000457] ACPI: Reserving SSDT table memory at [mem 0x78952000-0x7895207e] [ 0.000458] ACPI: Reserving BGRT table memory at [mem 0x78951000-0x78951037] [ 0.000505] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x7fffffff] [ 0.000517] NODE_DATA(0) allocated [mem 0x7a8eddc0-0x7a8f4fff] [ 0.000548] Zone ranges: [ 0.000549] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000551] DMA32 [mem 0x0000000001000000-0x000000007c97bfff] [ 0.000552] Normal empty [ 0.000553] Device empty [ 0.000554] Movable zone start for each node [ 0.000555] Early memory node ranges [ 0.000556] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.000557] node 0: [mem 0x0000000000100000-0x00000000786cdfff] [ 0.000558] node 0: [mem 0x00000000789de000-0x000000007c97bfff] [ 0.000559] Initmem setup node 0 [mem 0x0000000000001000-0x000000007c97bfff] [ 0.000567] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.000596] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.004030] On node 0, zone DMA32: 784 pages in unavailable ranges [ 0.004192] On node 0, zone DMA32: 13956 pages in unavailable ranges [ 0.004615] ACPI: PM-Timer IO Port: 0xb008 [ 0.004627] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.004693] IOAPIC[0]: apic_id 0, version 32, address 0xfec00000, GSI 0-23 [ 0.004696] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.004698] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.004700] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.004701] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.004705] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.004706] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.004710] TSC deadline timer available [ 0.004716] CPU topo: Max. logical packages: 1 [ 0.004717] CPU topo: Max. logical dies: 1 [ 0.004717] CPU topo: Max. dies per package: 1 [ 0.004722] CPU topo: Max. threads per core: 2 [ 0.004723] CPU topo: Num. cores per package: 1 [ 0.004723] CPU topo: Num. threads per package: 2 [ 0.004724] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.004742] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.004763] [mem 0x7ca00000-0xffffffff] available for PCI devices [ 0.004764] Booting paravirtualized kernel on KVM [ 0.004766] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.009631] setup_percpu: NR_CPUS:512 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1 [ 0.009929] percpu: Embedded 60 pages/cpu s207832 r8192 d29736 u1048576 [ 0.010727] kvm-guest: PV spinlocks enabled [ 0.010729] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.010732] 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=ttyS0,115200n8 console=tty0 flatcar.first_boot=detected flatcar.oem.id=ec2 modprobe.blacklist=xen_fbfront net.ifnames=0 nvme_core.io_timeout=4294967295 verity.usrhash=b7bb3b1ced9c5d47870a8b74c6c30075189c27e25d75251cfa7215e4bbff75ea [ 0.010898] Unknown kernel command line parameters "BOOT_IMAGE=/flatcar/vmlinuz-a", will be passed to user space. [ 0.010908] random: crng init done [ 0.011115] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.011222] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.011272] Fallback order for Node 0: 0 [ 0.011275] Built 1 zonelists, mobility grouping on. Total pages: 509451 [ 0.011276] Policy zone: DMA32 [ 0.011277] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.015385] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.015399] Kernel/User page tables isolation: enabled [ 0.015431] ftrace: allocating 40093 entries in 157 pages [ 0.023200] ftrace: allocated 157 pages with 5 groups [ 0.023894] Dynamic Preempt: voluntary [ 0.023945] rcu: Preemptible hierarchical RCU implementation. [ 0.023946] rcu: RCU event tracing is enabled. [ 0.023946] rcu: RCU restricting CPUs from NR_CPUS=512 to nr_cpu_ids=2. [ 0.023948] Trampoline variant of Tasks RCU enabled. [ 0.023949] Rude variant of Tasks RCU enabled. [ 0.023949] Tracing variant of Tasks RCU enabled. [ 0.023950] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.023950] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.023955] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.023958] RCU Tasks Rude: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.023959] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 0.028977] NR_IRQS: 33024, nr_irqs: 440, preallocated irqs: 16 [ 0.029213] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.029269] Console: colour dummy device 80x25 [ 0.029272] printk: legacy console [tty0] enabled [ 0.029563] printk: legacy console [ttyS0] enabled [ 0.168512] ACPI: Core revision 20240827 [ 0.169308] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 30580167144 ns [ 0.170672] APIC: Switch to symmetric I/O mode setup [ 0.171863] x2apic enabled [ 0.172743] APIC: Switched APIC routing to: physical x2apic [ 0.175290] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x240937b9988, max_idle_ns: 440795218083 ns [ 0.176816] Calibrating delay loop (skipped) preset value.. 4999.99 BogoMIPS (lpj=2499998) [ 0.177812] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.177812] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4 [ 0.177812] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.177812] Spectre V2 : Mitigation: Retpolines [ 0.177812] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 0.177812] RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible! [ 0.177812] RETBleed: Vulnerable [ 0.177812] Speculative Store Bypass: Vulnerable [ 0.177812] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.177812] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.177812] GDS: Unknown: Dependent on hypervisor status [ 0.177812] ITS: Mitigation: Aligned branch/return thunks [ 0.177812] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.177812] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers' [ 0.177812] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.177812] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.177812] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.177812] x86/fpu: xstate_offset[5]: 960, xstate_sizes[5]: 64 [ 0.177812] x86/fpu: xstate_offset[6]: 1024, xstate_sizes[6]: 512 [ 0.177812] x86/fpu: xstate_offset[7]: 1536, xstate_sizes[7]: 1024 [ 0.177812] x86/fpu: xstate_offset[9]: 2560, xstate_sizes[9]: 8 [ 0.177812] x86/fpu: Enabled xstate features 0x2ff, context size is 2568 bytes, using 'compacted' format. [ 0.177812] Freeing SMP alternatives memory: 32K [ 0.177812] pid_max: default: 32768 minimum: 301 [ 0.177812] LSM: initializing lsm=lockdown,capability,landlock,selinux,ima [ 0.177812] landlock: Up and running. [ 0.177812] SELinux: Initializing. [ 0.177812] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.177812] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.177812] smpboot: CPU0: Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz (family: 0x6, model: 0x55, stepping: 0x7) [ 0.178057] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 0.178857] signal: max sigframe size: 3632 [ 0.179523] rcu: Hierarchical SRCU implementation. [ 0.179815] rcu: Max phase no-delay instances is 400. [ 0.180641] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level [ 0.183679] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.183878] smp: Bringing up secondary CPUs ... [ 0.184689] smpboot: x86: Booting SMP configuration: [ 0.184817] .... node #0, CPUs: #1 [ 0.186304] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.187816] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.188862] smp: Brought up 1 node, 2 CPUs [ 0.189490] smpboot: Total of 2 processors activated (9999.99 BogoMIPS) [ 0.189947] Memory: 1908052K/2037804K available (14336K kernel code, 2430K rwdata, 9956K rodata, 54424K init, 2544K bss, 125188K reserved, 0K cma-reserved) [ 0.190966] devtmpfs: initialized [ 0.191384] x86/mm: Memory block size: 128MB [ 0.192147] ACPI: PM: Registering ACPI NVS region [mem 0x7895e000-0x789ddfff] (524288 bytes) [ 0.192877] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.193819] futex hash table entries: 512 (order: 3, 32768 bytes, linear) [ 0.194888] pinctrl core: initialized pinctrl subsystem [ 0.196231] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.196946] audit: initializing netlink subsys (disabled) [ 0.197829] audit: type=2000 audit(1750449138.446:1): state=initialized audit_enabled=0 res=1 [ 0.197920] thermal_sys: Registered thermal governor 'step_wise' [ 0.198816] thermal_sys: Registered thermal governor 'user_space' [ 0.199762] cpuidle: using governor menu [ 0.200574] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.201879] dca service started, version 1.12.1 [ 0.202645] PCI: Using configuration type 1 for base access [ 0.203934] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 0.222274] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 0.222817] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 0.223817] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 0.224815] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 0.226354] ACPI: Added _OSI(Module Device) [ 0.226817] ACPI: Added _OSI(Processor Device) [ 0.227714] ACPI: Added _OSI(Processor Aggregator Device) [ 0.228431] ACPI: 3 ACPI AML tables successfully acquired and loaded [ 0.229039] ACPI: Interpreter enabled [ 0.229825] ACPI: PM: (supports S0 S5) [ 0.230411] ACPI: Using IOAPIC for interrupt routing [ 0.230831] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.231815] PCI: Using E820 reservations for host bridge windows [ 0.232793] ACPI: Enabled 2 GPEs in block 00 to 0F [ 0.234601] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.234820] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 0.235815] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 0.236824] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 0.238117] acpiphp: Slot [3] registered [ 0.238720] acpiphp: Slot [4] registered [ 0.238828] acpiphp: Slot [5] registered [ 0.239455] acpiphp: Slot [6] registered [ 0.239829] acpiphp: Slot [7] registered [ 0.240430] acpiphp: Slot [8] registered [ 0.240827] acpiphp: Slot [9] registered [ 0.241427] acpiphp: Slot [10] registered [ 0.241828] acpiphp: Slot [11] registered [ 0.242465] acpiphp: Slot [12] registered [ 0.242827] acpiphp: Slot [13] registered [ 0.243468] acpiphp: Slot [14] registered [ 0.243829] acpiphp: Slot [15] registered [ 0.244444] acpiphp: Slot [16] registered [ 0.244827] acpiphp: Slot [17] registered [ 0.245456] acpiphp: Slot [18] registered [ 0.245827] acpiphp: Slot [19] registered [ 0.246505] acpiphp: Slot [20] registered [ 0.246828] acpiphp: Slot [21] registered [ 0.247474] acpiphp: Slot [22] registered [ 0.247829] acpiphp: Slot [23] registered [ 0.248466] acpiphp: Slot [24] registered [ 0.248828] acpiphp: Slot [25] registered [ 0.249455] acpiphp: Slot [26] registered [ 0.249827] acpiphp: Slot [27] registered [ 0.250465] acpiphp: Slot [28] registered [ 0.250829] acpiphp: Slot [29] registered [ 0.251461] acpiphp: Slot [30] registered [ 0.251828] acpiphp: Slot [31] registered [ 0.252465] PCI host bridge to bus 0000:00 [ 0.252818] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.253815] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.254815] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.255815] pci_bus 0000:00: root bus resource [mem 0x80000000-0xfebfffff window] [ 0.256815] pci_bus 0000:00: root bus resource [mem 0x100000000-0x2000ffffffff window] [ 0.257816] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.258686] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 0.259214] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 conventional PCI endpoint [ 0.260866] pci 0000:00:01.3: [8086:7113] type 00 class 0x000000 conventional PCI endpoint [ 0.262617] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.262886] pci 0000:00:01.3: PIIX4 devres E PIO at fff0-ffff [ 0.263771] pci 0000:00:01.3: PIIX4 devres F MMIO at ffc00000-ffffffff [ 0.263831] pci 0000:00:01.3: PIIX4 devres G PIO at fff0-ffff [ 0.264699] pci 0000:00:01.3: PIIX4 devres H MMIO at ffc00000-ffffffff [ 0.264829] pci 0000:00:01.3: PIIX4 devres I PIO at fff0-ffff [ 0.265721] pci 0000:00:01.3: PIIX4 devres J PIO at fff0-ffff [ 0.266078] pci 0000:00:03.0: [1d0f:1111] type 00 class 0x030000 conventional PCI endpoint [ 0.267411] pci 0000:00:03.0: BAR 0 [mem 0x80000000-0x803fffff pref] [ 0.269762] pci 0000:00:03.0: ROM [mem 0xffff0000-0xffffffff pref] [ 0.269904] pci 0000:00:03.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.271119] pci 0000:00:04.0: [1d0f:8061] type 00 class 0x010802 PCIe Endpoint [ 0.273530] pci 0000:00:04.0: BAR 0 [mem 0x80404000-0x80407fff] [ 0.278133] pci 0000:00:05.0: [1d0f:ec20] type 00 class 0x020000 PCIe Endpoint [ 0.279738] pci 0000:00:05.0: BAR 0 [mem 0x80400000-0x80403fff] [ 0.283743] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 0.283905] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 0.284897] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 0.285897] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 0.286861] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 0.288050] iommu: Default domain type: Translated [ 0.288817] iommu: DMA domain TLB invalidation policy: lazy mode [ 0.289838] efivars: Registered efivars operations [ 0.290725] PCI: Using ACPI for IRQ routing [ 0.290982] pci 0000:00:03.0: vgaarb: setting as boot VGA device [ 0.291778] pci 0000:00:03.0: vgaarb: bridge control possible [ 0.291812] pci 0000:00:03.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.294817] vgaarb: loaded [ 0.295327] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.295815] hpet0: 8 comparators, 32-bit 62.500000 MHz counter [ 0.299847] clocksource: Switched to clocksource kvm-clock [ 0.301412] VFS: Disk quotas dquot_6.6.0 [ 0.302056] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.303162] pnp: PnP ACPI init [ 0.304022] pnp: PnP ACPI: found 5 devices [ 0.312389] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.313817] NET: Registered PF_INET protocol family [ 0.314663] IP idents hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.326487] tcp_listen_portaddr_hash hash table entries: 1024 (order: 2, 16384 bytes, linear) [ 0.327835] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.329050] TCP established hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.330261] TCP bind hash table entries: 16384 (order: 7, 524288 bytes, linear) [ 0.331448] TCP: Hash tables configured (established 16384 bind 16384) [ 0.332498] UDP hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 0.333525] UDP-Lite hash table entries: 1024 (order: 3, 32768 bytes, linear) [ 0.334671] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.335562] NET: Registered PF_XDP protocol family [ 0.336296] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.337261] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.338212] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.339252] pci_bus 0000:00: resource 7 [mem 0x80000000-0xfebfffff window] [ 0.340287] pci_bus 0000:00: resource 8 [mem 0x100000000-0x2000ffffffff window] [ 0.341448] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.342513] PCI: CLS 0 bytes, default 64 [ 0.345949] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 0.347655] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x240937b9988, max_idle_ns: 440795218083 ns [ 0.349989] clocksource: Switched to clocksource tsc [ 0.351326] Initialise system trusted keyrings [ 0.352825] workingset: timestamp_bits=39 max_order=19 bucket_order=0 [ 0.383636] Key type asymmetric registered [ 0.384507] Asymmetric key parser 'x509' registered [ 2.773937] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 2.775158] io scheduler mq-deadline registered [ 2.775855] io scheduler kyber registered [ 2.776475] io scheduler bfq registered [ 2.778458] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 2.779435] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.780654] 00:04: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 2.782523] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 2.783856] i8042: Warning: Keylock active [ 2.785634] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 2.786426] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 2.787286] rtc_cmos 00:00: RTC can wake from S4 [ 2.789123] rtc_cmos 00:00: registered as rtc0 [ 2.789963] rtc_cmos 00:00: setting system clock to 2025-06-20T19:52:20 UTC (1750449140) [ 2.791289] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 2.792263] intel_pstate: CPU model not supported [ 2.793087] efifb: probing for efifb [ 2.793684] efifb: framebuffer at 0x80000000, using 1876k, total 1875k [ 2.794688] efifb: mode is 800x600x32, linelength=3200, pages=1 [ 2.795613] efifb: scrolling: redraw [ 2.796178] efifb: Truecolor: size=8:8:8:8, shift=24:16:8:0 [ 2.797543] Console: switching to colour frame buffer device 100x37 [ 2.798863] fb0: EFI VGA frame buffer device [ 2.799557] pstore: Using crash dump compression: deflate [ 2.800390] pstore: Registered efi_pstore as persistent store backend [ 2.801561] NET: Registered PF_INET6 protocol family [ 2.802821] Segment Routing with IPv6 [ 2.803416] In-situ OAM (IOAM) with IPv6 [ 2.804080] NET: Registered PF_PACKET protocol family [ 2.804972] Key type dns_resolver registered [ 2.805998] IPI shorthand broadcast: enabled [ 2.807602] sched_clock: Marking stable (2660001732, 147592555)->(2900918532, -93324245) [ 2.809137] registered taskstats version 1 [ 2.809890] Loading compiled-in X.509 certificates [ 2.829880] Loaded X.509 cert 'Kinvolk GmbH: Module signing key for 6.12.34-flatcar: 9a085d119111c823c157514215d0379e3a2f1b94' [ 2.834028] Demotion targets for Node 0: null [ 2.835148] Key type .fscrypt registered [ 2.836067] Key type fscrypt-provisioning registered [ 2.837167] ima: No TPM chip found, activating TPM-bypass! [ 2.838535] ima: Allocated hash algorithm: sha1 [ 2.839521] ima: No architecture policies found [ 2.869020] clk: Disabling unused clocks [ 2.869946] Warning: unable to open an initial console. [ 2.882751] Freeing unused kernel image (initmem) memory: 54424K [ 2.886253] Write protecting the kernel read-only data: 24576k [ 2.887647] Freeing unused kernel image (rodata/data gap) memory: 284K [ 2.888955] Run /init as init process [ 2.905169] systemd[1]: Successfully made /usr/ read-only. [ 2.906503] systemd[1]: systemd 256.8 running in system mode (+PAM +AUDIT +SELINUX -APPARMOR +IMA +SMACK +SECCOMP -GCRYPT -GNUTLS +OPENSSL -ACL +BLKID +CURL +ELFUTILS -FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBCRYPTSETUP_PLUGINS +LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE +TPM2 +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -BPF_FRAMEWORK -XKBCOMMON +UTMP -SYSVINIT +LIBARCHIVE) [ 2.912335] systemd[1]: Detected virtualization amazon. [ 2.913471] systemd[1]: Detected architecture x86-64. [ 2.914511] systemd[1]: Running in initrd. [ 2.916279] systemd[1]: No hostname configured, using default hostname. [ 2.917610] systemd[1]: Hostname set to . [ 2.918699] systemd[1]: Initializing machine ID from VM UUID. [ 3.040430] systemd[1]: Queued start job for default target initrd.target. [ 3.053232] systemd[1]: Started clevis-luks-askpass.path - Forward Password Requests to Clevis Directory Watch. [ 3.055898] systemd[1]: Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch. [ 3.058456] systemd[1]: Expecting device dev-disk-by\x2dlabel-EFI\x2dSYSTEM.device - /dev/disk/by-label/EFI-SYSTEM... [ 3.061054] systemd[1]: Expecting device dev-disk-by\x2dlabel-OEM.device - /dev/disk/by-label/OEM... [ 3.063358] systemd[1]: Expecting device dev-disk-by\x2dlabel-ROOT.device - /dev/disk/by-label/ROOT... [ 3.065728] systemd[1]: Expecting device dev-disk-by\x2dpartlabel-USR\x2dA.device - /dev/disk/by-partlabel/USR-A... [ 3.068247] systemd[1]: Expecting device dev-disk-by\x2dpartuuid-7130c94a\x2d213a\x2d4e5a\x2d8e26\x2d6cce9662f132.device - /dev/disk/by-partuuid/7130c94a-213a-4e5a-8e26-6cce9662f132... [ 3.072144] systemd[1]: Expecting device dev-mapper-usr.device - /dev/mapper/usr... [ 3.074119] systemd[1]: Reached target cryptsetup-pre.target - Local Encrypted Volumes (Pre). [ 3.076079] systemd[1]: Reached target cryptsetup.target - Local Encrypted Volumes. [ 3.077956] systemd[1]: Reached target paths.target - Path Units. [ 3.079575] systemd[1]: Reached target slices.target - Slice Units. [ 3.081272] systemd[1]: Reached target swap.target - Swaps. [ 3.082813] systemd[1]: Reached target timers.target - Timer Units. [ 3.084519] systemd[1]: Listening on iscsid.socket - Open-iSCSI iscsid Socket. [ 3.086380] systemd[1]: Listening on iscsiuio.socket - Open-iSCSI iscsiuio Socket. [ 3.088371] systemd[1]: Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log). [ 3.090624] systemd[1]: Listening on systemd-journald.socket - Journal Sockets. [ 3.092644] systemd[1]: Listening on systemd-networkd.socket - Network Service Netlink Socket. [ 3.094797] systemd[1]: Listening on systemd-udevd-control.socket - udev Control Socket. [ 3.097004] systemd[1]: Listening on systemd-udevd-kernel.socket - udev Kernel Socket. [ 3.098999] systemd[1]: Reached target sockets.target - Socket Units. [ 3.102062] systemd[1]: Starting ignition-setup-pre.service - Ignition env setup... [ 3.106744] systemd[1]: Starting kmod-static-nodes.service - Create List of Static Device Nodes... [ 3.110360] systemd[1]: Finished network-cleanup.service - Network Cleanup. [ 3.113037] systemd[1]: systemd-battery-check.service - Check battery level during early boot was skipped because of an unmet condition check (ConditionDirectoryNotEmpty=/sys/class/power_supply). [ 3.118056] systemd[1]: Starting systemd-fsck-usr.service... [ 3.125750] systemd[1]: Starting systemd-journald.service - Journal Service... [ 3.130213] systemd[1]: Starting systemd-modules-load.service - Load Kernel Modules... [ 3.137492] systemd[1]: Starting systemd-vconsole-setup.service - Virtual Console Setup... [ 3.143441] systemd[1]: Finished ignition-setup-pre.service - Ignition env setup. [ 3.159862] systemd[1]: Finished kmod-static-nodes.service - Create List of Static Device Nodes. [ 3.163282] systemd-journald[208]: Collecting audit messages is disabled. [ 3.167644] systemd[1]: Finished systemd-fsck-usr.service. [ 3.175767] systemd[1]: Starting systemd-tmpfiles-setup-dev-early.service - Create Static Device Nodes in /dev gracefully... [ 3.196749] systemd[1]: Started systemd-journald.service - Journal Service. [ 3.222624] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 3.228149] Bridge firewalling registered [ 3.290212] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 [ 3.406385] SCSI subsystem initialized [ 3.415928] Loading iSCSI transport class v2.0-870. [ 3.427339] iscsi: registered transport (tcp) [ 3.449128] iscsi: registered transport (qla4xxx) [ 3.450224] QLogic iSCSI HBA Driver [ 3.588599] raid6: avx512x4 gen() 18350 MB/s [ 3.606598] raid6: avx512x2 gen() 18191 MB/s [ 3.624598] raid6: avx512x1 gen() 17954 MB/s [ 3.642598] raid6: avx2x4 gen() 18216 MB/s [ 3.660600] raid6: avx2x2 gen() 18000 MB/s [ 3.678597] raid6: avx2x1 gen() 13962 MB/s [ 3.679673] raid6: using algorithm avx512x4 gen() 18350 MB/s [ 3.697597] raid6: .... xor() 7818 MB/s, rmw enabled [ 3.698744] raid6: using avx512x2 recovery algorithm [ 3.718980] xor: automatically using best checksumming function avx [ 3.887683] Btrfs loaded, zoned=no, fsverity=no [ 4.136623] ena 0000:00:05.0: ENA device version: 0.10 [ 4.138219] ena 0000:00:05.0: ENA controller version: 0.0.1 implementation version 1 [ 4.147619] ena 0000:00:05.0: LLQ is not supported Fallback to host mode policy. [ 4.164983] cryptd: max_cpu_qlen set to 1000 [ 4.167231] ena 0000:00:05.0: Elastic Network Adapter (ENA) found at mem 80400000, mac addr 06:ec:3a:d3:57:65 [ 4.170445] input: ImPS/2 Generic Wheel Mouse as /devices/platform/i8042/serio1/input/input3 [ 4.208958] AES CTR mode by8 optimization enabled [ 4.210702] nvme nvme0: pci function 0000:00:04.0 [ 4.215071] ACPI: \_SB_.LNKD: Enabled at IRQ 11 [ 4.239066] nvme nvme0: 2/0/0 default/read/poll queues [ 4.249825] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 4.251549] GPT:9289727 != 16777215 [ 4.252742] GPT:Alternate GPT header not at the end of the disk. [ 4.252744] GPT:9289727 != 16777215 [ 4.252746] GPT: Use GNU Parted to correct GPT errors. [ 4.252758] nvme0n1: p1 p2 p3 p4 p6 p7 p9 [ 4.319297] nvme nvme0: using unchecked data buffer [ 4.512855] nvme0n1: p1 p2 p3 p4 p6 p7 p9 [ 5.526852] nvme0n1: p1 p2 p3 p4 p6 p7 p9 [ 5.729373] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log. [ 5.731966] device-mapper: uevent: version 1.0.3 [ 5.733196] device-mapper: ioctl: 4.48.0-ioctl (2023-03-01) initialised: dm-devel@lists.linux.dev [ 5.743648] device-mapper: verity: sha256 using shash "sha256-avx2" [ 5.895314] BTRFS info: 'norecovery' is for compatibility only, recommended to use 'rescue=nologreplay' [ 5.898144] BTRFS: device fsid 048b924a-9f97-43f5-98d6-0fff18874966 devid 1 transid 41 /dev/mapper/usr (254:0) scanned by mount (987) [ 5.902002] BTRFS info (device dm-0): first mount of filesystem 048b924a-9f97-43f5-98d6-0fff18874966 [ 5.903991] BTRFS info (device dm-0): using crc32c (crc32c-intel) checksum algorithm [ 5.905505] BTRFS info (device dm-0): using free-space-tree [ 6.323972] BTRFS: device label OEM devid 1 transid 15 /dev/nvme0n1p6 (259:5) scanned by mount (1022) [ 6.328220] BTRFS info (device nvme0n1p6): first mount of filesystem 40288228-7b4b-4005-945b-574c4c10ab32 [ 6.331705] BTRFS info (device nvme0n1p6): using crc32c (crc32c-intel) checksum algorithm [ 6.334010] BTRFS info (device nvme0n1p6): using free-space-tree [ 6.345527] BTRFS info (device nvme0n1p6): last unmount of filesystem 40288228-7b4b-4005-945b-574c4c10ab32 [ 8.640098] BTRFS: device label OEM devid 1 transid 15 /dev/nvme0n1p6 (259:5) scanned by mount (1181) [ 8.643273] BTRFS info (device nvme0n1p6): first mount of filesystem 40288228-7b4b-4005-945b-574c4c10ab32 [ 8.645340] BTRFS info (device nvme0n1p6): using crc32c (crc32c-intel) checksum algorithm [ 8.646822] BTRFS info (device nvme0n1p6): using free-space-tree [ 8.911823] BTRFS info (device nvme0n1p6): last unmount of filesystem 40288228-7b4b-4005-945b-574c4c10ab32 [ 8.936608] systemd-shutdown[1]: Syncing filesystems and block devices. [ 8.938191] systemd-shutdown[1]: Sending SIGTERM to remaining processes... [ 8.944733] systemd-journald[208]: Received SIGTERM from PID 1 (systemd-shutdow). [ 8.959769] systemd-shutdown[1]: Sending SIGKILL to remaining processes... [ 8.963395] systemd-shutdown[1]: Unmounting file systems. [ 8.965437] (sd-umount)[1219]: Unmounting '/run/credentials/systemd-networkd.service'. [ 8.967730] (sd-umount)[1220]: Unmounting '/sysusr/usr'. [ 8.973972] BTRFS info (device dm-0): last unmount of filesystem 048b924a-9f97-43f5-98d6-0fff18874966 [ 8.977671] (sd-umount)[1221]: Unmounting '/run/credentials/systemd-vconsole-setup.service'. [ 8.980003] (sd-umount)[1222]: Unmounting '/run/credentials/systemd-network-generator.service'. [ 8.982287] (sd-umount)[1223]: Unmounting '/run/credentials/systemd-resolved.service'. [ 8.984437] (sd-umount)[1224]: Unmounting '/run/credentials/systemd-tmpfiles-setup-dev.service'. [ 8.986788] (sd-umount)[1225]: Unmounting '/run/credentials/systemd-sysctl.service'. [ 8.989013] (sd-umount)[1226]: Unmounting '/run/credentials/systemd-tmpfiles-setup.service'. [ 8.991148] (sd-umount)[1227]: Unmounting '/run/credentials/systemd-tmpfiles-setup-dev-early.service'. [ 8.993696] (sd-umount)[1228]: Unmounting '/run/credentials/systemd-journald.service'. [ 8.995696] (sd-remount)[1229]: Remounting '/usr' read-only with options ''. [ 8.997609] (sd-remount)[1230]: Remounting '/' read-only with options ''. [ 8.999238] systemd-shutdown[1]: All filesystems unmounted. [ 9.000394] systemd-shutdown[1]: Deactivating swaps. [ 9.001612] systemd-shutdown[1]: All swaps deactivated. [ 9.002703] systemd-shutdown[1]: Detaching loop devices. [ 9.003902] systemd-shutdown[1]: All loop devices detached. [ 9.004994] systemd-shutdown[1]: Stopping MD devices. [ 9.006075] systemd-shutdown[1]: All MD devices stopped. [ 9.007128] systemd-shutdown[1]: Detaching DM devices. [ 9.008372] systemd-shutdown[1]: Detaching DM /dev/dm-0 (254:0). [ 9.009841] systemd-shutdown[1]: Syncing /dev/dm-0. [ 9.035913] systemd-shutdown[1]: All DM devices detached. [ 9.037163] systemd-shutdown[1]: All filesystems, swaps, loop devices, MD devices and DM devices detached. [ 9.039447] systemd-shutdown[1]: Syncing filesystems and block devices. [ 9.040746] systemd-shutdown[1]: Rebooting. [ 9.084728] ACPI: PM: Preparing to enter system sleep state S5 [ 9.085918] reboot: Restarting system [ 9.086731] reboot: machine restart [=3h[=3h[=3h[=3hbtrfs_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='' net_default_ip='' net_default_mac='' net_default_server='' pager='' prefix='(memdisk)' pxe_default_server='' root='hd0,gpt1' secondary_locale_dir='' error: /build/amd64-usr/var/tmp/portage/sys-boot/grub-2.12-r6/work/grub-2.12/grub-core /fs/fshelp.c:257:file `/flatcar/grub/x86_64-efi/all_video.mod' not found. GRUB version 2.12-flatcar3 ����������������������������������������������������������������������������Ŀ�������������������������������������������������������������������������������������������������������� Use the ^ and v 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        [2025-06-20T19:52:29.405532]      The highlighted entry will be executed automatically in 1s.  The highlighted entry will be executed automatically in 0s.  Booting `Flatcar default' [ 0.032568] RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible! [ 2.587902] Warning: unable to open an initial console.