configure accelerator pc-i440fx-6.2 start machine init start add rom file: vga.rom add rom file: e1000.rom device init start add qdev virtio-9p-pci:none success add qdev virtio-9p-pci:none success add qdev virtio-blk-pci:none success add qdev virtio-blk:none success add qdev virtio-blk-pci:none success add qdev virtio-blk:none success add qdev virtio-blk-pci:none success add qdev virtio-blk:none success add qdev virtio-blk-pci:none success add qdev virtio-blk:none success reset all devices qmp cont is received and vm is started qemu enter main_loop c[?7lSeaBIOS (version rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.orgvirtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER virtio-blk device status is 15 that means DRIVER OK virtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER virtio-blk device status is 15 that means DRIVER OK virtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER virtio-blk device status is 15 that means DRIVER OK virtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER virtio-blk device status is 15 that means DRIVER OK ) iPXE (http://ipxe.org) 00:03.0 CA00 PCI2.10 PnP PMM+BFF911C0+BFEF11C0 CA00 Press Ctrl-B to configure iPXE (PCI 00:03.0)... Booting from ROM..c[?7l[ 0.000000] Linux version 7.3.0-rc4-00027-gf0100363d8c3 (root@linux) (gcc (GCC) 10.3.1, GNU ld (GNU Binutils) 2.37) #13 SMP PREEMPT_DYNAMIC Thu Sep 24 16:02:18 CST 2026 [ 0.000000] Command line: console=ttyS0 rdinit=/init [ 0.000000] x86/CPU: Model not found in latest microcode list [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bffd3fff] System RAM [ 0.000000] BIOS-e820: [mem 0x00000000bffd4000-0x00000000bfffffff] device reserved [ 0.000000] BIOS-e820: [gap 0x00000000c0000000-0x00000000feffbfff] [ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved [ 0.000000] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff] [ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] APIC: Static calls initialized [ 0.000000] DMI: SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014 [ 0.000000] DMI: Memory slots populated: 1/1 [ 0.000000] Hypervisor detected: KVM [ 0.000000] last_pfn = 0xbffd4 max_arch_pfn = 0x400000000 [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: using sched offset of 290891760 cycles [ 0.000002] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000004] tsc: Detected 2100.000 MHz processor [ 0.000720] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.000759] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.000762] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000813] last_pfn = 0xbffd4 max_arch_pfn = 0x400000000 [ 0.005219] found SMP MP-table at [mem 0x000f5b70-0x000f5b7f] [ 0.005559] RAMDISK: [mem 0xbf874000-0xbffcffff] [ 0.005564] ACPI: Early table checksum verification disabled [ 0.005567] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS ) [ 0.005571] ACPI: RSDT 0x00000000BFFE1A3F 000034 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005575] ACPI: FACP 0x00000000BFFE18DB 000074 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005579] ACPI: DSDT 0x00000000BFFE0040 00189B (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005582] ACPI: FACS 0x00000000BFFE0000 000040 [ 0.005583] ACPI: APIC 0x00000000BFFE194F 000090 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005586] ACPI: HPET 0x00000000BFFE19DF 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005587] ACPI: WAET 0x00000000BFFE1A17 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.005589] ACPI: Reserving FACP table memory at [mem 0xbffe18db-0xbffe194e] [ 0.005590] ACPI: Reserving DSDT table memory at [mem 0xbffe0040-0xbffe18da] [ 0.005591] ACPI: Reserving FACS table memory at [mem 0xbffe0000-0xbffe003f] [ 0.005592] ACPI: Reserving APIC table memory at [mem 0xbffe194f-0xbffe19de] [ 0.005592] ACPI: Reserving HPET table memory at [mem 0xbffe19df-0xbffe1a16] [ 0.005593] ACPI: Reserving WAET table memory at [mem 0xbffe1a17-0xbffe1a3e] [ 0.005839] No NUMA configuration found [ 0.005839] Faking a node at [mem 0x0000000000000000-0x000000023fffffff] [ 0.005841] NODE_DATA(0) allocated [mem 0x23fff9680-0x23fffcfff] [ 0.006248] ACPI: PM-Timer IO Port: 0x608 [ 0.006257] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.006286] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.006288] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.006290] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.006291] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.006292] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.006293] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.006296] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.006296] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.006299] CPU topo: Max. logical packages: 1 [ 0.006300] CPU topo: Max. logical nodes: 1 [ 0.006301] CPU topo: Num. nodes per package: 1 [ 0.006302] CPU topo: Max. logical dies: 1 [ 0.006303] CPU topo: Max. dies per package: 1 [ 0.006305] CPU topo: Max. threads per core: 1 [ 0.006305] CPU topo: Num. cores per package: 4 [ 0.006306] CPU topo: Num. threads per package: 4 [ 0.006306] CPU topo: Allowing 4 present CPUs plus 0 hotplug CPUs [ 0.006319] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.006330] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.006332] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.006333] PM: hibernation: Registered nosave memory: [mem 0xbffd4000-0xffffffff] [ 0.006334] [gap 0xc0000000-0xfeffbfff] available for PCI devices [ 0.006335] Booting paravirtualized kernel on KVM [ 0.006336] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.013651] Zone ranges: [ 0.013652] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.013654] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.013655] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.013656] Movable zone start for each node [ 0.013656] Early memory node ranges [ 0.013657] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.013658] node 0: [mem 0x0000000000100000-0x00000000bffd3fff] [ 0.013658] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.013659] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.013894] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.013905] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.032768] On node 0, zone Normal: 44 pages in unavailable ranges [ 0.032774] setup_percpu: NR_CPUS:64 nr_cpumask_bits:4 nr_cpu_ids:4 nr_node_ids:1 [ 0.033105] percpu: Embedded 53 pages/cpu s179352 r8192 d29544 u524288 [ 0.033132] Kernel command line: console=ttyS0 rdinit=/init [ 0.033146] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.034326] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.034903] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.034964] software IO TLB: area num 4. [ 0.050904] Fallback order for Node 0: 0 [ 0.050906] Built 1 zonelists, mobility grouping on. Total pages: 2097010 [ 0.050907] Policy zone: Normal [ 0.050908] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062813] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062825] Kernel/User page tables isolation: enabled [ 0.072859] ftrace: allocating 59266 entries in 232 pages [ 0.072861] ftrace: allocated 232 pages with 4 groups [ 0.073468] Dynamic Preempt: lazy [ 0.073695] rcu: Preemptible hierarchical RCU implementation. [ 0.073695] rcu: RCU event tracing is enabled. [ 0.073695] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.073697] Trampoline variant of Tasks RCU enabled. [ 0.073697] Rude variant of Tasks RCU enabled. [ 0.073697] Tracing variant of Tasks RCU enabled. [ 0.073698] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.073698] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.073704] RCU Tasks: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.073706] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.084383] NR_IRQS: 4352, nr_irqs: 456, preallocated irqs: 16 [ 0.084569] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.084576] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.089705] Console: colour VGA+ 80x25 [ 0.089741] printk: console [ttyS0] enabled [ 0.171907] ACPI: Core revision 20260408 [ 0.172444] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 0.173520] APIC: Switch to symmetric I/O mode setup [ 0.174293] x2apic enabled [ 0.174921] APIC: Switched APIC routing to: physical x2apic [ 0.176632] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.177309] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1e4530a99b6, max_idle_ns: 440795257976 ns [ 0.178464] Calibrating delay loop (skipped) preset value.. 4200.00 BogoMIPS (lpj=2100000) [ 0.180525] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.181108] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.181464] mitigations: Enabled attack vectors: user_kernel, user_user, SMT mitigations: auto [ 0.182463] Speculative Store Bypass: Vulnerable [ 0.182971] Spectre V2 : Mitigation: Retpolines [ 0.183463] ITS: Mitigation: Aligned branch/return thunks [ 0.184059] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.184463] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.185463] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 0.186463] active return thunk: its_return_thunk [ 0.186982] x86/fpu: x87 FPU will use FXSAVE [ 0.206585] pid_max: default: 32768 minimum: 301 [ 0.207131] SELinux: Initializing. [ 0.207611] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.208471] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.209391] VFS: Finished mounting rootfs on nullfs [ 0.312164] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0xf, model: 0x6b, stepping: 0x1) [ 0.312610] Performance Events: unsupported Netburst CPU model 107 no PMU driver, software events only. [ 0.313481] signal: max sigframe size: 1440 [ 0.314195] rcu: Hierarchical SRCU implementation. [ 0.314196] rcu: Max phase no-delay instances is 400. [ 0.315490] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level [ 0.321713] smp: Bringing up secondary CPUs ... [ 0.321804] smpboot: x86: Booting SMP configuration: [ 0.321804] .... node #0, CPUs: #1 #2 #3 [ 0.326505] smp: Brought up 1 node, 4 CPUs [ 0.326506] smpboot: Total of 4 processors activated (16800.00 BogoMIPS) [ 0.326739] Memory: 8117980K/8388040K available (19870K kernel code, 3184K rwdata, 8216K rodata, 3784K init, 672K bss, 263528K reserved, 0K cma-reserved) [ 0.328714] devtmpfs: initialized [ 0.328714] posixtimers hash table entries: 2048 (order: 3, 32768 bytes, linear) [ 0.328714] futex hash table entries: 1024 (65536 bytes on 1 NUMA nodes, total 64 KiB, linear). [ 0.329463] PM: RTC time: 09:28:21, date: 2026-09-30 [ 0.330681] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.330756] audit: initializing netlink subsys (disabled) [ 0.330761] audit: type=2000 audit(1790760501.892:1): state=initialized audit_enabled=0 res=1 [ 0.330761] thermal_sys: Registered thermal governor 'step_wise' [ 0.330829] cpuidle: using governor menu [ 0.333403] PCI: Using configuration type 1 for base access [ 0.333492] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 0.333519] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 0.333519] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 0.337513] ACPI: Added _OSI(Module Device) [ 0.337514] ACPI: Added _OSI(Processor Device) [ 0.337515] ACPI: Added _OSI(Processor Aggregator Device) [ 0.338184] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.340470] ACPI: \_SB_: platform _OSC: OS support mask [002a7eee] [ 0.340627] ACPI: Interpreter enabled [ 0.340637] ACPI: PM: (supports S0 S3 S4 S5) [ 0.340638] ACPI: Using IOAPIC for interrupt routing [ 0.340648] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.340648] PCI: Using E820 reservations for host bridge windows [ 0.340739] ACPI: Enabled 2 GPEs in block 00 to 0F [ 0.343614] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.343620] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 0.343759] PCI host bridge to bus 0000:00 [ 0.343761] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.343763] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.343764] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.343765] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 0.343765] pci_bus 0000:00: root bus resource [mem 0x240000000-0x2bfffffff window] [ 0.343767] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.343820] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 0.344823] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 conventional PCI endpoint [ 0.345514] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 conventional PCI endpoint [ 0.346376] pci 0000:00:01.1: BAR 4 [io 0xc260-0xc26f] [ 0.346428] pci 0000:00:01.1: BAR 0 [io 0x01f0-0x01f7]: legacy IDE quirk [ 0.346429] pci 0000:00:01.1: BAR 1 [io 0x03f6]: legacy IDE quirk [ 0.346429] pci 0000:00:01.1: BAR 2 [io 0x0170-0x0177]: legacy IDE quirk [ 0.346430] pci 0000:00:01.1: BAR 3 [io 0x0376]: legacy IDE quirk [ 0.346604] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 0.347110] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI [ 0.347118] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB [ 0.347382] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000 conventional PCI endpoint [ 0.348479] pci 0000:00:02.0: BAR 0 [mem 0xfd000000-0xfdffffff pref] [ 0.348499] pci 0000:00:02.0: BAR 2 [mem 0xfebf0000-0xfebf0fff] [ 0.348539] pci 0000:00:02.0: ROM [mem 0xfebe0000-0xfebeffff pref] [ 0.348598] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.349677] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 0.350481] pci 0000:00:03.0: BAR 0 [mem 0xfebc0000-0xfebdffff] [ 0.350496] pci 0000:00:03.0: BAR 1 [io 0xc200-0xc23f] [ 0.350552] pci 0000:00:03.0: ROM [mem 0xfeb80000-0xfebbffff pref] [ 0.351562] pci 0000:00:04.0: [1af4:1009] type 00 class 0x000200 conventional PCI endpoint [ 0.353028] pci 0000:00:04.0: BAR 0 [io 0xc240-0xc25f] [ 0.353040] pci 0000:00:04.0: BAR 1 [mem 0xfebf1000-0xfebf1fff] [ 0.353081] pci 0000:00:04.0: BAR 4 [mem 0xfe000000-0xfe003fff 64bit pref] [ 0.354344] pci 0000:00:05.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint [ 0.355480] pci 0000:00:05.0: BAR 0 [io 0xc000-0xc07f] [ 0.355489] pci 0000:00:05.0: BAR 1 [mem 0xfebf2000-0xfebf2fff] [ 0.355528] pci 0000:00:05.0: BAR 4 [mem 0xfe004000-0xfe007fff 64bit pref] [ 0.357391] pci 0000:00:06.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint [ 0.358476] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc0ff] [ 0.358489] pci 0000:00:06.0: BAR 1 [mem 0xfebf3000-0xfebf3fff] [ 0.359504] pci 0000:00:06.0: BAR 4 [mem 0xfe008000-0xfe00bfff 64bit pref] [ 0.360914] pci 0000:00:07.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint [ 0.362207] pci 0000:00:07.0: BAR 0 [io 0xc100-0xc17f] [ 0.362222] pci 0000:00:07.0: BAR 1 [mem 0xfebf4000-0xfebf4fff] [ 0.362263] pci 0000:00:07.0: BAR 4 [mem 0xfe00c000-0xfe00ffff 64bit pref] [ 0.363557] pci 0000:00:08.0: [1af4:1001] type 00 class 0x010000 conventional PCI endpoint [ 0.364473] pci 0000:00:08.0: BAR 0 [io 0xc180-0xc1ff] [ 0.364481] pci 0000:00:08.0: BAR 1 [mem 0xfebf5000-0xfebf5fff] [ 0.364519] pci 0000:00:08.0: BAR 4 [mem 0xfe010000-0xfe013fff 64bit pref] [ 0.368934] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 0.369022] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 0.369110] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 0.369202] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 0.369249] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 0.369479] iommu: Default domain type: Translated [ 0.369480] iommu: DMA domain TLB invalidation policy: lazy mode [ 0.371504] SCSI subsystem initialized [ 0.371526] ACPI: bus type USB registered [ 0.371526] usbcore: registered new interface driver usbfs [ 0.371526] usbcore: registered new interface driver hub [ 0.371526] usbcore: registered new device driver usb [ 0.371526] pps_core: LinuxPPS API ver. 1 registered [ 0.371526] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.371528] PTP clock support registered [ 0.371548] Advanced Linux Sound Architecture Driver Initialized. [ 0.371603] NetLabel: Initializing [ 0.371604] NetLabel: domain hash size = 128 [ 0.371605] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.371615] NetLabel: unlabeled traffic allowed by default [ 0.372469] PCI: Using ACPI for IRQ routing [ 0.372736] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 0.372738] e820: register RAM buffer resource [mem 0xbffd4000-0xbfffffff] [ 0.372751] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.372751] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.372751] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.372751] vgaarb: loaded [ 0.372751] hpet: 3 channels of 0 reserved for per-cpu timers [ 0.372751] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.372751] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.375565] clocksource: Switched to clocksource kvm-clock [ 0.375643] VFS: Disk quotas dquot_6.6.0 [ 0.375647] VFS: Dquot-cache hash table entries: 512 (4096 bytes) [ 0.376173] pnp: PnP ACPI init [ 0.376446] pnp: PnP ACPI: found 5 devices [ 0.388072] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.388093] NET: Registered PF_INET protocol family [ 0.388336] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.389514] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, linear) [ 0.389521] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.389523] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.389576] TCP bind hash table entries: 65536 (order: 9, 2097152 bytes, linear) [ 0.389941] TCP: Hash tables configured (established 65536 bind 65536) [ 0.389961] UDP hash table entries: 4096 (order: 6, 262144 bytes, linear) [ 0.390017] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.390106] RPC: Registered named UNIX socket transport module. [ 0.390106] RPC: Registered udp transport module. [ 0.390107] RPC: Registered tcp transport module. [ 0.390107] RPC: Registered tcp-with-tls transport module. [ 0.390108] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.390319] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.390321] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.390322] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.390323] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 0.390324] pci_bus 0000:00: resource 8 [mem 0x240000000-0x2bfffffff window] [ 0.390362] pci 0000:00:01.0: PIIX3: Enabling Passive Release [ 0.390377] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.390489] PCI: CLS 0 bytes, default 64 [ 0.390540] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.390541] software IO TLB: mapped [mem 0x00000000bb874000-0x00000000bf874000] (64MB) [ 0.390559] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1e4530a99b6, max_idle_ns: 440795257976 ns [ 0.390604] Unpacking initramfs... [ 0.403083] Initialise system trusted keyrings [ 0.403124] workingset: timestamp_bits=56 (anon: 51) max_order=21 bucket_order=0 (anon: 0) [ 0.403417] NFS: Registering the id_resolver key type [ 0.403425] Key type id_resolver registered [ 0.403425] Key type id_legacy registered [ 0.403427] nfs4filelayvirtio-9p device status is 1 that means ACKNOWLEDGE out_init: NFSv4 File Layout Driver Registering... [ 0.403429] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 0.403460] 9p: Installing v9fs 9p2000 file system support [ 0.413589] Key type asymmetric registered [ 0.413590] Asymmetric key parser 'x509' registered [ 0.413596] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.413603] io scheduler mq-deadline registered [ 0.413603] io scheduler kyber registered [ 0.415975] input: Power Button as /devices/platform/LNXPWRBN:00/input/input0 [ 0.416034] ACPI: button: Power Button [PWRF] [ 0.436437] ACPI: \_SB_.LNKD: Enabled at IRQ 11 virtio-blk device status is 1 that means ACKNOWLEDGE [ 0.456076] ACPI: \_SB_.LNKA: Enabled at IRQ 10 virtio-blk device status is 1 that means ACKNOWLEDGE [ 0.475252] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 0.494439] Avirtio-blk device status is 1 that means ACKNOWLEDGE CPI: \_SB_.LNKC: Enabled at IRQ 11 [ 0.502869] Freeing initrd memory: 7536K virtio-blk device status is 1 that means ACKNOWLEDGE [ 0.514377] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 0.514521] 00:04: ttyS0 I/O:0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 0.515020] Non-volatile memory driver v1.3 [ 0.515102] ACPI: bus type drm_connector registered virtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER [ 0.518607] loop: module loaded [ 0.518741] virtio_blk virtio1: 4/0/0 default/read/poll queues virtio-blk device status is 15 that means DRIVER OK virtio-blk device status is 3 that means DRIVER virtio-blk device status is 11 that means DRIVER [ 0.520023] virtio_blk virtio1: [vda] 634520 512-byte logical blocks (325 MB/310 Mvirtio-blk device status is 15 that means DRIVER OK iB) [ 0.52057virtio-blk device status is 3 that means DRIVER 1] virtiovirtio-blk device status is 11 that means DRIVER _blk virtio2: 4/0/0 default/read/poll queues [ 0.521754] virtio_blk virtio2: [vdb] 24 512-byte logical blocks (12.3 kB/12.0 KiB) [ 0.522310virtio-blk device status is 15 that means DRIVER OK ] virtio_blk virtio3: virtio-blk device status is 3 that means DRIVER 4/0/0 defvirtio-blk device status is 11 that means DRIVER ault/read/poll queues [ 0.523814] virtio_blk virtio3: [vdc] 131072 512-byte logical blocks (67.1 MB/64.0 MiB) [ 0.524391] vvirtio-blk device status is 15 that means DRIVER OK irtio_blk virtio4: 4/0/0 default/read/poll queues [ 0.525752] virtio_blk virtio4: [vdd] 8192 512-byte logical blocks (4.19 MB/4.00 MiB) [ 0.527129] scsi host0: ata_piix [ 0.527223] scsi host1: ata_piix [ 0.527243] ata1: PATA max MWDMA2 cmd 0x1f0 ctl 0x3f6 bmdma 0xc260 irq 14 lpm-pol 0 [ 0.527245] ata2: PATA max MWDMA2 cmd 0x170 ctl 0x376 bmdma 0xc268 irq 15 lpm-pol 0 [ 0.527374] e100: Intel(R) PRO/100 Network Driver [ 0.527374] e100: Copyright(c) 1999-2006 Intel Corporation [ 0.527383] e1000: Intel(R) PRO/1000 Network Driver [ 0.527383] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 0.686129] ata2: found unknown device (class 0) [ 0.686580] ata2.00: ATAPI: QEMU DVD-ROM, 2.5+, max UDMA/100 [ 0.687669] scsi 1:0:0:0: CD-ROM QEMU QEMU DVD-ROM 2.5+ PQ: 0 ANSI: 5 [ 0.701304] sr 1:0:0:0: [sr0] scsi3-mmc drive: 4x/4x cd/rw xa/form2 tray [ 0.714131] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 0.720406] sr 1:0:0:0: Attached scsi generic sg0 type 5 [ 0.849733] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56 [ 0.849739] e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection [ 0.849757] e1000e: Intel(R) PRO/1000 Network Driver [ 0.849758] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 0.849771] sky2: driver version 1.30 [ 0.849914] usbcore: rvirtio-9p device status is 3 that means DRIVER egistered nvirtio-9p device status is 11 that means DRIVER ew interface driver usblp [ 0.849921] usbcovirtio-9p device status is 15 that means DRIVER OK re: registered new interface driver usb-storage [ 0.849946] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 0.850795] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.850799] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.850949] rtc_cmos PNP0B00:00: RTC can wake from S4 [ 0.851631] rtc_cmos PNP0B00:00: registered as rtc0 [ 0.851711] rtc_cmos PNP0B00:00: alarms up to one day, y3k, 242 bytes nvram, hpet irqs [ 0.851821] device-mapper: ioctl: 4.50.0-ioctl (2025-04-28) initialised: dm-devel@lists.linux.dev [ 0.851826] intel_pstate: CPU model not supported [ 0.851836] hid: raw HID events driver (C) Jiri Kosina [ 0.851925] usbcore: registered new interface driver usbhid [ 0.851926] usbhid: USB HID core driver [ 0.852415] nf_conntrack_irc: The irc conntrack helper is scheduled for removal. [ 0.852415] Please contact the netfilter-devel mailing list if you still need this. [ 0.852750] Initializing XFRM netlink socket [ 0.852761] NET: Registered PF_INET6 protocol family [ 0.853663] Segment Routing with IPv6 [ 0.853670] In-situ OAM (IOAM) with IPv6 [ 0.853691] NET: Registered PF_PACKET protocol family [ 0.853708] 9pnet: Installing 9P2000 support [ 0.854718] Key type dns_resolver registered [ 0.856174] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1 [ 0.856310] IPI shorthand broadcast: enabled [ 0.859101] sched_clock: Marking stable (769002606, 89886399)->(862230115, -3341110) [ 0.863160] registered taskstats version 1 [ 0.865277] Loading compiled-in X.509 certificates [ 0.867215] Demotion targets for Node 0: null [ 0.867269] PM: Magic number: 10:154:476 [ 0.867298] netconsole: network logging started [ 0.867339] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 0.867597] kworker/u16:0 (75) used greatest stack depth: 15080 bytes left [ 0.867813] Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 0.867935] Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' [ 0.867945] ALSA device list: [ 0.867946] No soundcards found. [ 0.869136] faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2 [ 0.869138] cfg80211: failed to load regulatory.db [ 0.874975] Freeing unused kernel image (initmem) memory: 3784K [ 0.875028] Write protecting the kernel read-only data: 30720k [ 0.877067] Freeing unused kernel image (text/rodata gap) memory: 608K [ 0.877611] Freeing unused kernel image (rodata/data gap) memory: 2024K [ 0.924287] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ 0.924345] x86/mm: Checking user space page tables [ 0.969035] x86/mm: Checked W+X mappings: passed, no W+X pages found. [ 0.969037] Run /init as init process [ 0.970157] busybox (78) used greatest stack depth: 13552 bytes left insmod: can't insert '/ko/virtio_blk.ko': invalid module format [ 0.971457] module virtio_blk: .gnu.linkonce.this_module section size must match the kernel's built struct module size at run time [ 0.971984] module mbcache: .gnu.linkonce.this_module section size must match the kernel's built struct module size at run time insmod: can't insert '/ko/mbcache.ko': invalid module format insmod: can't insert '/ko/jbd2.ko': invalid module format[ 0.975482] module jbd2: .gnu.linkonce.this_module section size must match the kernel's built struct module size at run time [ 0.977027] busybox (83) used greatest stack depth: 13448 bytes left [ 0.982356] module ext4: .gnu.linkonce.this_module section size must match the kernel's built struct module size at run time insmod: can't insert '/ko/ext4.ko': invalid module format [ 1.079066] EXT4-fs (vda): recovery complete loader: /dev/vda[ 1.101658] EXT4-fs (vda): mounted filesystem 34afeb39-8c01-4a56-bf4b-a2f5a9f1ea41 r/w with ordered data mode. Quota mode: none. mounted as ext4[ 1.101736] busybox (86) used greatest stack depth: 12968 bytes left , switching root /bin/sh: can't access tty; job control turned off # [ 1.270611] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3 mdev -s # ls /dev/vdb > /dev/null 2>&1 || mknod /dev/vdb b 253 16 # ls /dev/vdc > /dev/null 2>&1 || mknod /dev/vdc b 253 32 # ls /dev/vdd > /dev/null 2>&1 || mknod /dev/vdd b 253 48 # mkdir -p /mnt/md # echo @@@@@@ TEST1_START device=vdd blobB @@@@@@ @@@@@@ TEST1_START device=vdd blobB @@@@@@ # mount -t erofs -o device=/dev/vdd /dev/vdb /mnt/md # echo @[ 11.627547] erofs (device vdb): initialized per-cpu workers successfully. [ 11.627565] erofs (device vdb): mounted with root inode @ nid 40. @@@@@ TEST1_MOUNT_RC=$? @@@@@@ @@@@@@ TEST1_MOUNT_RC=0 @@@@@@ # ls -l /mnt/md -rw-r--r-- 1 0 0 4194304 Sep 30 09:20 rnd4m.bin -rw-r--r-- 1 0 0 1048576 Sep 30 09:20 text1m.bin # cat /mnt/md/rnd4m.bin | wc -c 4194304 # umount /mnt/md # echo @@@@@@ TEST2_START device=vdc,vdd 两个 @@@@@@ @@@@@@ TEST2_START device=vdc,vdd 两个 @@@@@@ # mount -t erofs -o device=/dev/vdc,device=/dev/vdd /dev/vdb /mnt/md mount: mounting /dev/vdb on /mnt/md failed: Invalid argument # ec[ 11.670282] erofs (device vdb): extra devices don't match (ondisk 1, given 2) ho @@@@@@ TEST2_MOUNT_RC=$? @@@@@@ @@@@@@ TEST2_MOUNT_RC=255 @@@@@@ # echo @@@@@@ TEST3_START device=vdc blobA @@@@@@ @@@@@@ TEST3_START device=vdc blobA @@@@@@ # mount -t erofs -o device=/dev/vdc /dev/vdb /mnt/md # echo @@@@@@ TEST3_MOUNT_RC=$?[ 11.676053] erofs (device vdb): mounted with root inode @ nid 40. @@@@@@ @@@@@@ TEST3_MOUNT_RC=0 @@@@@@ # cat /mnt/md/rnd4m.bin | wc -c 4194304 # echo @@[ 11.690438] cat (112) used greatest stack depth: 12712 bytes left @@@@ ALL_DONE @@@@@@ @@@@@@ ALL_DONE @@@@@@ # poweroff -f [ 11.831030] ACPI: PM: Preparing to enter system sleep state S5 [ 11.831548] reboot: Power down VM will be soft power off