My customized vm can't boot, it's not able to find rootfs.

Question

I have created a image based on a geneated vhd file. when I created a vm from the image, it can't boot correctly. the log as below. I have tried to convert the vhd to qcow2 and boot it on kvm, it works fine. so I'm sure the PARTUUID is correct. any idea?

[ 0.000000] Command line: BOOT_IMAGE=/boot/bzImage root=PARTUUID=becef049-f148-8646-9d7c-eb102d6b1334 console=ttyS0,115200n8 rw rootwait rw rootwait swiotlb=500000

[ 0.000000] KERNEL supported cpus:

[ 0.000000] Intel GenuineIntel

[ 0.000000] AMD AuthenticAMD

[ 0.000000] Hygon HygonGenuine

[ 0.000000] Centaur CentaurHauls

[ 0.000000] zhaoxin Shanghai

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'

[ 0.000000] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'

[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256

[ 0.000000] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64

[ 0.000000] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512

[ 0.000000] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024

[ 0.000000] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format.

[ 0.000000] signal: max sigframe size: 3632

[ 0.000000] BIOS-provided physical RAM map:

[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable

[ 0.000000] BIOS-e820: [mem 0x00000000000c0000-0x00000000000fffff] reserved

[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000003ff40fff] usable

[ 0.000000] BIOS-e820: [mem 0x000000003ff41000-0x000000003ffc8fff] reserved

[ 0.000000] BIOS-e820: [mem 0x000000003ffc9000-0x000000003fffafff] ACPI data

[ 0.000000] BIOS-e820: [mem 0x000000003fffb000-0x000000003fffefff] ACPI NVS

[ 0.000000] BIOS-e820: [mem 0x000000003ffff000-0x000000003fffffff] usable

[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x00000004bfffffff] usable

[ 0.000000] NX (Execute Disable) protection: active

[ 0.000000] efi: EFI v2.70 by Microsoft

[ 0.000000] efi: ACPI=0x3fffa000 ACPI 2.0=0x3fffa014 SMBIOS=0x3ff85000 SMBIOS 3.0=0x3ff83000 MEMATTR=0x3ee3e018 RNG=0x3ff87818

[ 0.000000] efi: seeding entropy pool

[ 0.000000] random: crng init done

[ 0.000000] secureboot: Secure boot disabled

[ 0.000000] SMBIOS 3.1.0 present.

[ 0.000000] DMI: Microsoft Corporation Virtual Machine/Virtual Machine, BIOS Hyper-V UEFI Release v4.1 03/08/2024

[ 0.000000] Hypervisor detected: Microsoft Hyper-V

[ 0.000000] Hyper-V: privilege flags low 0x2e7f, high 0x3b8030, hints 0x64c2c, misc 0xed7b2

[ 0.000000] Hyper-V Host Build:20348-10.0-1-0.1633

[ 0.000000] Hyper-V: Nested features: 0xe0101

[ 0.000000] Hyper-V: LAPIC Timer Frequency: 0xc3500

[ 0.000000] Hyper-V: Using hypercall for remote TLB flush

[ 0.000000] clocksource: hyperv_clocksource_tsc_page: mask: 0xffffffffffffffff max_cycles: 0x24e6a1710, max_idle_ns: 440795202120 ns

[ 0.000002] tsc: Marking TSC unstable due to running on Hyper-V

[ 0.000006] tsc: Detected 2095.169 MHz processor

[ 0.000032] last_pfn = 0x4c0000 max_arch_pfn = 0x400000000

[ 0.000068] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT

[ 0.000096] last_pfn = 0x40000 max_arch_pfn = 0x400000000

[ 0.019676] Using GB pages for direct mapping

[ 0.019951] secureboot: Secure boot disabled

[ 0.019955] ACPI: Early table checksum verification disabled

[ 0.019961] ACPI: RSDP 0x000000003FFFA014 000024 (v02 VRTUAL)

[ 0.019967] ACPI: XSDT 0x000000003FFF90E8 000064 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.019977] ACPI: FACP 0x000000003FFF8000 000114 (v06 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.019986] ACPI: DSDT 0x000000003FFD6000 01E184 (v02 MSFTVM DSDT01 00000001 MSFT 05000000)

[ 0.019992] ACPI: FACS 0x000000003FFFE000 000040

[ 0.019997] ACPI: OEM0 0x000000003FFF7000 000064 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020003] ACPI: SPCR 0x000000003FFF6000 000050 (v02 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020008] ACPI: WAET 0x000000003FFF5000 000028 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020014] ACPI: APIC 0x000000003FFD5000 000068 (v04 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020019] ACPI: SRAT 0x000000003FFD4000 0001B0 (v02 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020025] ACPI: BGRT 0x000000003FFD3000 000038 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020030] ACPI: FPDT 0x000000003FFD2000 000034 (v01 VRTUAL MICROSFT 00000001 MSFT 00000001)

[ 0.020034] ACPI: Reserving FACP table memory at [mem 0x3fff8000-0x3fff8113]

[ 0.020037] ACPI: Reserving DSDT table memory at [mem 0x3ffd6000-0x3fff4183]

[ 0.020039] ACPI: Reserving FACS table memory at [mem 0x3fffe000-0x3fffe03f]

[ 0.020040] ACPI: Reserving OEM0 table memory at [mem 0x3fff7000-0x3fff7063]

[ 0.020042] ACPI: Reserving SPCR table memory at [mem 0x3fff6000-0x3fff604f]

[ 0.020043] ACPI: Reserving WAET table memory at [mem 0x3fff5000-0x3fff5027]

[ 0.020044] ACPI: Reserving APIC table memory at [mem 0x3ffd5000-0x3ffd5067]

[ 0.020046] ACPI: Reserving SRAT table memory at [mem 0x3ffd4000-0x3ffd41af]

[ 0.020048] ACPI: Reserving BGRT table memory at [mem 0x3ffd3000-0x3ffd3037]

[ 0.020049] ACPI: Reserving FPDT table memory at [mem 0x3ffd2000-0x3ffd2033]

[ 0.020179] SRAT: PXM 0 -> APIC 0x00 -> Node 0

[ 0.020182] SRAT: PXM 0 -> APIC 0x01 -> Node 0

[ 0.020185] SRAT: PXM 0 -> APIC 0x02 -> Node 0

[ 0.020188] SRAT: PXM 0 -> APIC 0x03 -> Node 0

[ 0.020193] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x3fffffff] hotplug

[ 0.020198] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x4bfffffff] hotplug

[ 0.020203] ACPI: SRAT: Node 0 PXM 0 [mem 0x4c0200000-0xfdfffffff] hotplug

[ 0.020207] ACPI: SRAT: Node 0 PXM 0 [mem 0x1000000000-0xffffffffff] hotplug

[ 0.020211] ACPI: SRAT: Node 0 PXM 0 [mem 0x10000200000-0x1ffffffffff] hotplug

[ 0.020215] ACPI: SRAT: Node 0 PXM 0 [mem 0x20000200000-0x3ffffffffff] hotplug

[ 0.020219] ACPI: SRAT: Node 0 PXM 0 [mem 0x40000200000-0x7ffffffffff] hotplug

[ 0.020223] ACPI: SRAT: Node 0 PXM 0 [mem 0x80000200000-0xfffffffffff] hotplug

[ 0.020229] NUMA: Node 0 [mem 0x00000000-0x3fffffff] + [mem 0x100000000-0x4bfffffff] -> [mem 0x00000000-0x4bfffffff]

[ 0.020252] NODE_DATA(0) allocated [mem 0x4bffd5000-0x4bfffefff]

[ 0.020937] Zone ranges:

[ 0.020938] DMA [mem 0x0000000000001000-0x0000000000ffffff]

[ 0.020941] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]

[ 0.020943] Normal [mem 0x0000000100000000-0x00000004bfffffff]

[ 0.020946] Device empty

[ 0.020947] Movable zone start for each node

[ 0.020951] Early memory node ranges

[ 0.020951] node 0: [mem 0x0000000000001000-0x000000000009ffff]

[ 0.020954] node 0: [mem 0x0000000000100000-0x000000003ff40fff]

[ 0.020956] node 0: [mem 0x000000003ffff000-0x000000003fffffff]

[ 0.020957] node 0: [mem 0x0000000100000000-0x00000004bfffffff]

[ 0.020961] Initmem setup node 0 [mem 0x0000000000001000-0x00000004bfffffff]

[ 0.020967] On node 0, zone DMA: 1 pages in unavailable ranges

[ 0.021005] On node 0, zone DMA: 96 pages in unavailable ranges

[ 0.023230] On node 0, zone DMA32: 190 pages in unavailable ranges

[ 0.057290] ACPI: PM-Timer IO Port: 0x408

[ 0.057308] ACPI: LAPIC_NMI (acpi_id[0x01] dfl dfl lint[0x1])

[ 0.057734] IOAPIC[0]: apic_id 4, version 17, address 0xfec00000, GSI 0-23

[ 0.057739] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)

[ 0.057747] ACPI: Using ACPI (MADT) for SMP configuration information

[ 0.057771] ACPI: SPCR: console: uart,io,0x3f8,115200

[ 0.057775] smpboot: Allowing 4 CPUs, 0 hotplug CPUs

[ 0.057801] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]

[ 0.057806] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000bffff]

[ 0.057809] PM: hibernation: Registered nosave memory: [mem 0x000c0000-0x000fffff]

[ 0.057814] PM: hibernation: Registered nosave memory: [mem 0x3ee94000-0x3ee9afff]

[ 0.057819] PM: hibernation: Registered nosave memory: [mem 0x3ff41000-0x3ffc8fff]

[ 0.057822] PM: hibernation: Registered nosave memory: [mem 0x3ffc9000-0x3fffafff]

[ 0.057825] PM: hibernation: Registered nosave memory: [mem 0x3fffb000-0x3fffefff]

[ 0.057830] PM: hibernation: Registered nosave memory: [mem 0x40000000-0xffffffff]

[ 0.057834] [mem 0x40000000-0xffffffff] available for PCI devices

[ 0.057838] Booting paravirtualized kernel on Hyper-V

[ 0.057842] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns

[ 0.057857] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1

[ 0.058249] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u524288

[ 0.058283] Hyper-V: PV spinlocks enabled

[ 0.058286] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)

[ 0.058293] Built 1 zonelists, mobility grouping on. Total pages: 4127002

[ 0.058295] Policy zone: Normal

[ 0.058297] Kernel command line: BOOT_IMAGE=/boot/bzImage root=PARTUUID=becef049-f148-8646-9d7c-eb102d6b1334 console=ttyS0,115200n8 rw rootwait rw rootwait swiotlb=500000

[ 0.058393] Unknown kernel command line parameters "BOOT_IMAGE=/boot/bzImage", will be passed to user space.

[ 0.060883] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes, linear)

[ 0.062140] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)

[ 0.062246] mem auto-init: stack:off, heap alloc:on, heap free:off

[ 0.062251] software IO TLB: Cannot allocate buffer

[ 0.106391] Memory: 16424840K/16776068K available (16393K kernel code, 4472K rwdata, 5848K rodata, 3216K init, 6484K bss, 350968K reserved, 0K cma-reserved)

[ 0.106534] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1

[ 0.106548] Kernel/User page tables isolation: enabled

[ 0.106568] ftrace: allocating 49343 entries in 193 pages

[ 0.135453] ftrace: allocated 193 pages with 3 groups

[ 0.135603] rcu: Hierarchical RCU implementation.

[ 0.135605] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=4.

[ 0.135607] Rude variant of Tasks RCU enabled.

[ 0.135608] Tracing variant of Tasks RCU enabled.

[ 0.135610] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies.

[ 0.135611] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4

[ 0.140350] Using NULL legacy PIC

[ 0.140352] NR_IRQS: 524544, nr_irqs: 456, preallocated irqs: 0

[ 0.141027] Console: colour dummy device 80x25

[ 0.687238] printk: console [ttyS0] enabled

[ 0.689534] ACPI: Core revision 20210730

[ 0.691710] Failed to register legacy timer interrupt

[ 0.694403] APIC: Switch to symmetric I/O mode setup

[ 0.697808] Hyper-V: Using IPI hypercalls

[ 0.700071] Hyper-V: Using enlightened APIC (xapic mode)

[ 0.700201] Calibrating delay loop (skipped), value calculated using timer frequency.. 4190.33 BogoMIPS (lpj=8380676)

[ 0.704195] pid_max: default: 32768 minimum: 301

[ 0.704195] LSM: Security Framework initializing

[ 0.704195] landlock: Up and running.

[ 0.704195] Yama: becoming mindful.

[ 0.704195] AppArmor: AppArmor initialized

[ 0.704195] Mount-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)

[ 0.704195] Mountpoint-cache hash table entries: 32768 (order: 6, 262144 bytes, linear)

[ 0.704195] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8

[ 0.704195] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4

[ 0.704195] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization

[ 0.704195] Spectre V2 : Mitigation: Retpolines

[ 0.704195] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch

[ 0.704195] RETBleed: WARNING: Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks, data leaks possible!

[ 0.704195] RETBleed: Vulnerable

[ 0.704195] Speculative Store Bypass: Vulnerable

[ 0.704195] MDS: Mitigation: Clear CPU buffers

[ 0.704195] TAA: Mitigation: Clear CPU buffers

[ 0.704195] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode

[ 0.704195] Freeing SMP alternatives memory: 44K

[ 0.704195] smpboot: CPU0: Intel(R) Xeon(R) Platinum 8171M CPU @ 2.60GHz (family: 0x6, model: 0x55, stepping: 0x4)

[ 0.704391] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only.

[ 0.708243] rcu: Hierarchical SRCU implementation.

[ 0.711406] NMI watchdog: Perf NMI watchdog permanently disabled

[ 0.712304] smp: Bringing up secondary CPUs ...

[ 0.715151] x86: Booting SMP configuration:

[ 0.716210] .... node #0, CPUs: #1

[ 0.716732] 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.

[ 0.720206] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.

[ 0.724200] 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.

[ 0.728484] #2 #3

[ 0.728970] smp: Brought up 1 node, 4 CPUs

[ 0.732202] smpboot: Max logical packages: 1

[ 0.734633] smpboot: Total of 4 processors activated (16761.35 BogoMIPS)

[ 0.737426] devtmpfs: initialized

[ 0.738165] x86/mm: Memory block size: 128MB

[ 0.741416] ACPI: PM: Registering ACPI NVS region [mem 0x3fffb000-0x3fffefff] (16384 bytes)

[ 0.744271] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns

[ 0.748221] futex hash table entries: 1024 (order: 4, 65536 bytes, linear)

[ 0.752067] pinctrl core: initialized pinctrl subsystem

[ 0.752676] PM: RTC time: 23:34:02, date: 2025-01-03

[ 0.755890] NET: Registered PF_NETLINK/PF_ROUTE protocol family

[ 0.756754] DMA: preallocated 2048 KiB GFP_KERNEL pool for atomic allocations

[ 0.760627] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations

[ 0.764612] DMA: preallocated 2048 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations

[ 0.768216] audit: initializing netlink subsys (disabled)

[ 0.771481] audit: type=2000 audit(1735947241.068:1): state=initialized audit_enabled=0 res=1

[ 0.771481] thermal_sys: Registered thermal governor 'fair_share'

[ 0.772209] thermal_sys: Registered thermal governor 'bang_bang'

[ 0.775772] thermal_sys: Registered thermal governor 'step_wise'

[ 0.776203] thermal_sys: Registered thermal governor 'user_space'

[ 0.779347] thermal_sys: Registered thermal governor 'power_allocator'

[ 0.780216] EISA bus registered

[ 0.784218] cpuidle: using governor ladder

[ 0.786566] cpuidle: using governor menu

[ 0.788279] ACPI: bus type PCI registered

[ 0.790453] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5

[ 0.794234] Kprobes globally optimized

[ 0.796275] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages

[ 0.800203] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages

[ 0.804318] ACPI: Added _OSI(Module Device)

[ 0.808219] ACPI: Added _OSI(Processor Device)

[ 0.810722] ACPI: Added _OSI(3.0 _SCP Extensions)

[ 0.812209] ACPI: Added _OSI(Processor Aggregator Device)

[ 0.816203] ACPI: Added _OSI(Linux-Dell-Video)

[ 0.818799] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)

[ 0.820202] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)

[ 0.836935] ACPI: 1 ACPI AML tables successfully acquired and loaded

[ 0.841129] ACPI: Interpreter enabled

[ 0.843246] ACPI: PM: (supports S0 S5)

[ 0.844208] ACPI: Using IOAPIC for interrupt routing

[ 0.846848] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug

[ 0.848201] PCI: Using E820 reservations for host bridge windows

[ 0.851447] ACPI: Enabled 1 GPEs in block 00 to 0F

[ 0.853355] iommu: Default domain type: Translated

[ 0.856205] iommu: DMA domain TLB invalidation policy: lazy mode

[ 0.859783] SCSI subsystem initialized

[ 0.860230] vgaarb: loaded

[ 0.861644] ACPI: bus type USB registered

[ 0.863858] usbcore: registered new interface driver usbfs

[ 0.864214] usbcore: registered new interface driver hub

[ 0.867308] usbcore: registered new device driver usb

[ 0.868230] pps_core: LinuxPPS API ver. 1 registered

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My customized vm can't boot, it's not able to find rootfs.

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