问题描述
我正在构建一个小型操作系统，并在正常工作之前使用Qemu。现在，我被困在Windows 10机器上，而Qemu在该机器上与GDB的配合不好。我以为我会改用Bochs或Virtual Box。
问题在于，由于这两种情况，我最终都会因简单的mov指令而导致崩溃。
有问题的指令旨在通过写入和读取内存以及比较寄存器的相等性来测试A20门。
mov dword [0x112345],0x1234 ;crash happens here
mov dword [0x012345],0x2345
mov eax,[0x112345]
mov ebx,[0x012345]
cmp eax,ebx
jne a20_enabled
a20_enabled:
此代码可以使用nasm正常编译。它在Qemu上也运行良好。我添加了整个代码以供参考。
org 0x7c00
bits 16
mov ah,0x00
mov al,0x03
int 0x10
xor ax,ax
mov ds,ax
cli
lgdt[gdtr]
mov eax,cr0
or al,1
mov cr0,eax
jmp 0x08:protectedMode ;0x08 = 1000b,1 for segment selector
;0 for gdt not ldt and 00 for privilege
bits 32
protectedMode:
mov dword [0x112345],0x1234
mov dword [0x012345],ebx
jne a20_enabled
a20_enabled:
halt:
hlt
jmp halt
gdt_start:
dq 0x0
gdt_code:
dw 0xFFFF ;limit 0-15
dw 0x0 ;base 0-15
db 0x0 ;base 16-23
db 10011010b ;pr,privi (2),s,ex,dc,rw,ac
db 11001111b ;gr,sz,limit 16-19
db 0x0 ;base 24-31
gdt_data:
dw 0xFFFF
dw 0x0
db 0x0
db 10010010b
db 11001111b
db 0x0
gdtr:
dw 24
dd gdt_start
times 510 - ($-$$) db 0
dw 0xAA55
以下是Bochs错误日志，它清楚地指出了错误的指令，然后是三重错误，这些错误使cpu复位。
00000000000i[ ] reading configuration from C:\Users\E01GEN_E01CSA26268\Documents\bootloader\bochsrc.bxrc
00000000000i[ ] installing win32 module as the Bochs GUI
00000000000i[ ] Bochs x86 Emulator 2.6.10
00000000000i[ ] Built from SVN snapshot on December 1,2019
00000000000i[ ] Compiled on Dec 1 2019 at 17:34:11
00000000000i[ ] System configuration
00000000000i[ ] processors: 1 (cores=1,HT threads=1)
00000000000i[ ] A20 line support: yes
00000000000i[ ] IPS is set to 4000000
00000000000i[ ] cpu configuration
00000000000i[ ] SMP support: no
00000000000i[ ] level: 6
00000000000i[ ] APIC support: xapic
00000000000i[ ] FPU support: yes
00000000000i[ ] MMX support: yes
00000000000i[ ] 3dNow! support: no
00000000000i[ ] SEP support: yes
00000000000i[ ] SIMD support: sse2
00000000000i[ ] XSAVE support: no
00000000000i[ ] AES support: no
00000000000i[ ] SHA support: no
00000000000i[ ] MOVBE support: no
00000000000i[ ] ADX support: no
00000000000i[ ] x86-64 support: yes
00000000000i[ ] 1G paging support: no
00000000000i[ ] MWAIT support: yes
00000000000i[ ] VMX support: 1
00000000000i[ ] Optimization configuration
00000000000i[ ] RepeatSpeedups support: yes
00000000000i[ ] Fast function calls: yes
00000000000i[ ] Handlers Chaining speedups: no
00000000000i[ ] Devices configuration
00000000000i[ ] PCI support: i440FX i430FX i440BX
00000000000i[ ] Networking support: NE2000 E1000
00000000000i[ ] Sound support: SB16 ES1370
00000000000i[ ] USB support: UHCI OHCI EHCI xHCI
00000000000i[ ] VGA extension support: vbe cirrus voodoo
00000000000i[MEM0 ] allocated memory at 0000017FD4571040. after alignment,vector=0000017FD4572000
00000000000i[MEM0 ] 32,00MB
00000000000i[MEM0 ] mem block size = 0x00020000,blocks=256
00000000000i[MEM0 ] rom at 0xfffe0000/131072 ('C:\Program Files\Bochs-2.6.11/BIOS-bochs-latest')
00000000000i[PLUGIN] init_dev of 'pci' plugin device by virtual method
00000000000i[DEV ] i440FX PMC present at device 0,function 0
00000000000i[PLUGIN] init_dev of 'pci2isa' plugin device by virtual method
00000000000i[DEV ] PIIX3 PCI-to-ISA bridge present at device 1,function 0
00000000000i[PLUGIN] init_dev of 'cmos' plugin device by virtual method
00000000000i[CMOS ] Using local time for initial clock
00000000000i[CMOS ] Setting initial clock to: Thu Sep 17 20:25:10 2020 (time0=1600388710)
00000000000i[PLUGIN] init_dev of 'dma' plugin device by virtual method
00000000000i[DMA ] channel 4 used by cascade
00000000000i[PLUGIN] init_dev of 'pic' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'pit' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'vga' plugin device by virtual method
00000000000i[MEM0 ] Register memory access handlers: 0x0000000a0000 - 0x0000000bffff
00000000000i[VGA ] interval=200000,mode=realtime
00000000000i[VGA ] VSYNC using standard mode
00000000000i[MEM0 ] Register memory access handlers: 0x0000e0000000 - 0x0000e0ffffff
00000000000i[BXVGA ] VBE Bochs display Extension Enabled
00000000000i[WINGUI] Desktop Window dimensions: 1680 x 1050
00000000000i[WINGUI] Number of Mouse Buttons = 8
00000000000i[WINGUI] IME disabled
00000000000i[MEM0 ] rom at 0xc0000/41984 ('C:\Program Files\Bochs-2.6.11/VGABIOS-lgpl-latest')
00000000000i[PLUGIN] init_dev of 'floppy' plugin device by virtual method
00000000000i[DMA ] channel 2 used by Floppy Drive
00000000000i[FLOPPY] Using boot sequence disk,none,none
00000000000i[FLOPPY] Floppy boot signature check is enabled
00000000000i[PLUGIN] init_dev of 'acpi' plugin device by virtual method
00000000000i[DEV ] ACPI Controller present at device 1,function 3
00000000000i[PLUGIN] init_dev of 'hpet' plugin device by virtual method
00000000000i[HPET ] initializing HPET
00000000000i[MEM0 ] Register memory access handlers: 0x0000fed00000 - 0x0000fed003ff
00000000000i[PLUGIN] init_dev of 'ioapic' plugin device by virtual method
00000000000i[IOAPIC] initializing I/O APIC
00000000000i[MEM0 ] Register memory access handlers: 0x0000fec00000 - 0x0000fec00fff
00000000000i[IOAPIC] IOAPIC enabled (base address = 0xfec00000)
00000000000i[PLUGIN] init_dev of 'keyboard' plugin device by virtual method
00000000000i[KBD ] will paste characters every 400 keyboard ticks
00000000000i[PLUGIN] init_dev of 'harddrv' plugin device by virtual method
00000000000i[HD ] HD on ata0-0: 'C:\Users\E01GEN_E01CSA26268\Documents\bootloader\disk.img','flat' mode
00000000000i[IMG ] hd_size: 10490880
00000000000i[HD ] ata0-0: using specified geometry: CHS=20/16/63 (sector size=512)
00000000000i[HD ] ata0-0: extra data outside of CHS address range
00000000000i[HD ] translation on ata0-0 set to 'none'
00000000000i[PLUGIN] init_dev of 'pci_ide' plugin device by virtual method
00000000000i[DEV ] PIIX3 PCI IDE controller present at device 1,function 1
00000000000i[PLUGIN] init_dev of 'unmapped' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'biosdev' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'speaker' plugin device by virtual method
00000000000i[PCSPK ] Using lowlevel sound support for output
00000000000i[PLUGIN] init_dev of 'extfpuirq' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'parallel' plugin device by virtual method
00000000000i[PAR ] parallel port 1 at 0x0378 irq 7
00000000000i[PLUGIN] init_dev of 'serial' plugin device by virtual method
00000000000i[SER ] com1 at 0x03f8 irq 4 (mode: null)
00000000000i[PLUGIN] init_dev of 'gameport' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'iodebug' plugin device by virtual method
00000000000i[PLUGIN] init_dev of 'usb_uhci' plugin device by virtual method
00000000000i[DEV ] USB UHCI present at device 1,function 2
00000000000i[UHCI ] USB UHCI initialized
00000000000i[PLUGIN] register state of 'pci' plugin device by virtual method
00000000000i[PLUGIN] register state of 'pci2isa' plugin device by virtual method
00000000000i[PLUGIN] register state of 'cmos' plugin device by virtual method
00000000000i[PLUGIN] register state of 'dma' plugin device by virtual method
00000000000i[PLUGIN] register state of 'pic' plugin device by virtual method
00000000000i[PLUGIN] register state of 'pit' plugin device by virtual method
00000000000i[PLUGIN] register state of 'vga' plugin device by virtual method
00000000000i[PLUGIN] register state of 'floppy' plugin device by virtual method
00000000000i[PLUGIN] register state of 'unmapped' plugin device by virtual method
00000000000i[PLUGIN] register state of 'biosdev' plugin device by virtual method
00000000000i[PLUGIN] register state of 'speaker' plugin device by virtual method
00000000000i[PLUGIN] register state of 'extfpuirq' plugin device by virtual method
00000000000i[PLUGIN] register state of 'parallel' plugin device by virtual method
00000000000i[PLUGIN] register state of 'serial' plugin device by virtual method
00000000000i[PLUGIN] register state of 'gameport' plugin device by virtual method
00000000000i[PLUGIN] register state of 'iodebug' plugin device by virtual method
00000000000i[PLUGIN] register state of 'usb_uhci' plugin device by virtual method
00000000000i[PLUGIN] register state of 'acpi' plugin device by virtual method
00000000000i[PLUGIN] register state of 'hpet' plugin device by virtual method
00000000000i[PLUGIN] register state of 'ioapic' plugin device by virtual method
00000000000i[PLUGIN] register state of 'keyboard' plugin device by virtual method
00000000000i[PLUGIN] register state of 'harddrv' plugin device by virtual method
00000000000i[PLUGIN] register state of 'pci_ide' plugin device by virtual method
00000000000i[SYS ] bx_pc_system_c::Reset(HARDWARE) called
00000000000i[cpu0 ] cpu hardware reset
00000000000i[APIC0 ] allocate APIC id=0 (MMIO enabled) to 0x0000fee00000
00000000000i[cpu0 ] cpuID[0x00000000]: 00000005 756e6547 6c65746e 49656e69
00000000000i[cpu0 ] cpuID[0x00000001]: 00000633 00010800 00002028 1fcbfbff
00000000000i[cpu0 ] cpuID[0x00000002]: 00410601 00000000 00000000 00000000
00000000000i[cpu0 ] cpuID[0x00000003]: 00000000 00000000 00000000 00000000
00000000000i[cpu0 ] cpuID[0x00000004]: 00000000 00000000 00000000 00000000
00000000000i[cpu0 ] cpuID[0x00000005]: 00000040 00000040 00000003 00000020
00000000000i[cpu0 ] cpuID[0x80000000]: 80000008 00000000 00000000 00000000
00000000000i[cpu0 ] cpuID[0x80000001]: 00000000 00000000 00000101 2a100000
00000000000i[cpu0 ] cpuID[0x80000002]: 20202020 20202020 20202020 6e492020
00000000000i[cpu0 ] cpuID[0x80000003]: 286c6574 50202952 69746e65 52286d75
00000000000i[cpu0 ] cpuID[0x80000004]: 20342029 20555043 20202020 00202020
00000000000i[cpu0 ] cpuID[0x80000005]: 01ff01ff 01ff01ff 40020140 40020140
00000000000i[cpu0 ] cpuID[0x80000006]: 00000000 42004200 02008140 00000000
00000000000i[cpu0 ] cpuID[0x80000007]: 00000000 00000000 00000000 00000000
00000000000i[cpu0 ] cpuID[0x80000008]: 00003028 00000000 00000000 00000000
00000000000i[cpu0 ] cpu Features supported:
00000000000i[cpu0 ] x87
00000000000i[cpu0 ] 486ni
00000000000i[cpu0 ] pentium_ni
00000000000i[cpu0 ] p6ni
00000000000i[cpu0 ] mmx
00000000000i[cpu0 ] debugext
00000000000i[cpu0 ] vme
00000000000i[cpu0 ] pse
00000000000i[cpu0 ] pae
00000000000i[cpu0 ] pge
00000000000i[cpu0 ] pse36
00000000000i[cpu0 ] mtrr
00000000000i[cpu0 ] pat
00000000000i[cpu0 ] sysenter_sysexit
00000000000i[cpu0 ] clflush
00000000000i[cpu0 ] sse
00000000000i[cpu0 ] sse2
00000000000i[cpu0 ] mwait
00000000000i[cpu0 ] vmx
00000000000i[cpu0 ] longmode
00000000000i[cpu0 ] lm_lahf_sahf
00000000000i[cpu0 ] nx
00000000000i[cpu0 ] cmpxhg16b
00000000000i[cpu0 ] rdtscp
00000000000i[cpu0 ] ffxsr
00000000000i[cpu0 ] x2apic
00000000000i[PLUGIN] reset of 'pci' plugin device by virtual method
00000000000i[PLUGIN] reset of 'pci2isa' plugin device by virtual method
00000000000i[PLUGIN] reset of 'cmos' plugin device by virtual method
00000000000i[PLUGIN] reset of 'dma' plugin device by virtual method
00000000000i[PLUGIN] reset of 'pic' plugin device by virtual method
00000000000i[PLUGIN] reset of 'pit' plugin device by virtual method
00000000000i[PLUGIN] reset of 'vga' plugin device by virtual method
00000000000i[PLUGIN] reset of 'floppy' plugin device by virtual method
00000000000i[PLUGIN] reset of 'acpi' plugin device by virtual method
00000000000i[PLUGIN] reset of 'hpet' plugin device by virtual method
00000000000i[PLUGIN] reset of 'ioapic' plugin device by virtual method
00000000000i[PLUGIN] reset of 'keyboard' plugin device by virtual method
00000000000i[PLUGIN] reset of 'harddrv' plugin device by virtual method
00000000000i[PLUGIN] reset of 'pci_ide' plugin device by virtual method
00000000000i[PLUGIN] reset of 'unmapped' plugin device by virtual method
00000000000i[PLUGIN] reset of 'biosdev' plugin device by virtual method
00000000000i[PLUGIN] reset of 'speaker' plugin device by virtual method
00000000000i[PLUGIN] reset of 'extfpuirq' plugin device by virtual method
00000000000i[PLUGIN] reset of 'parallel' plugin device by virtual method
00000000000i[PLUGIN] reset of 'serial' plugin device by virtual method
00000000000i[PLUGIN] reset of 'gameport' plugin device by virtual method
00000000000i[PLUGIN] reset of 'iodebug' plugin device by virtual method
00000000000i[PLUGIN] reset of 'usb_uhci' plugin device by virtual method
00000000000i[ ] set SIGINT handler to bx_debug_ctrlc_handler
Next at t=0
(0) [0x0000fffffff0] f000:fff0 (unk. ctxt): jmpf 0xf000:e05b ; ea5be000f0
<bochs:1> c
00000004662i[BIOS ] $Revision: 13752 $ $Date: 2019-12-30 14:16:18 +0100 (Mon,30 Dec 2019) $
00000318050i[KBD ] reset-disable command received
00000320827i[BIOS ] Starting rombios32
00000321265i[BIOS ] Shutdown flag 0
00000321855i[BIOS ] ram_size=0x02000000
00000322277i[BIOS ] ram_end=32MB
00000362837i[BIOS ] Found 1 cpu(s)
00000376489i[BIOS ] bios_table_addr: 0x000f9db8 end=0x000fcc00
00000602720i[WINGUI] dimension update x=720 y=400 fontheight=16 fontwidth=9 bpp=8
00000704310i[PCI ] i440FX PMC write to PAM register 59 (TLB Flush)
00001032240i[P2ISA ] PCI IRQ routing: PIRQA# set to 0x0b
00001032259i[P2ISA ] PCI IRQ routing: PIRQB# set to 0x09
00001032278i[P2ISA ] PCI IRQ routing: PIRQC# set to 0x0b
00001032297i[P2ISA ] PCI IRQ routing: PIRQD# set to 0x09
00001032307i[P2ISA ] write: ELCR2 = 0x0a
00001033077i[BIOS ] PIIX3/PIIX4 init: elcr=00 0a
00001046749i[BIOS ] PCI: bus=0 devfn=0x00: vendor_id=0x8086 device_id=0x1237 class=0x0600
00001049062i[BIOS ] PCI: bus=0 devfn=0x08: vendor_id=0x8086 device_id=0x7000 class=0x0601
00001051214i[BIOS ] PCI: bus=0 devfn=0x09: vendor_id=0x8086 device_id=0x7010 class=0x0101
00001051449i[PIDE ] BAR #4: I/O base address = 0xc000
00001052065i[BIOS ] region 4: 0x0000c000
00001054107i[BIOS ] PCI: bus=0 devfn=0x0a: vendor_id=0x8086 device_id=0x7020 class=0x0c03
00001054320i[UHCI ] BAR #4: I/O base address = 0xc020
00001054936i[BIOS ] region 4: 0x0000c020
00001055070i[UHCI ] new IRQ line = 9
00001056992i[BIOS ] PCI: bus=0 devfn=0x0b: vendor_id=0x8086 device_id=0x7113 class=0x0680
00001057236i[ACPI ] new IRQ line = 11
00001057250i[ACPI ] new IRQ line = 9
00001057277i[ACPI ] new PM base address: 0xb000
00001057291i[ACPI ] new SM base address: 0xb100
00001057319i[PCI ] setting SMRAM control register to 0x4a
00001221412i[cpu0 ] Enter to System Management Mode
00001221412i[cpu0 ] enter_system_management_mode: temporary disable VMX while in SMM mode
00001221422i[cpu0 ] RSM: Resuming from System Management Mode
00001385443i[PCI ] setting SMRAM control register to 0x0a
00001412159i[BIOS ] MP table addr=0x000f9e90 MPC table addr=0x000f9dc0 size=0xc8
00001414030i[BIOS ] SMBIOS table addr=0x000f9ea0
00001416216i[BIOS ] ACPI tables: RSDP addr=0x000f9fd0 ACPI DATA addr=0x01ff0000 size=0xff8
00001419463i[BIOS ] Firmware waking vector 0x1ff00cc
00001421943i[PCI ] i440FX PMC write to PAM register 59 (TLB Flush)
00001422666i[BIOS ] bios_table_cur_addr: 0x000f9ff4
00001551537i[VBIOS ] VGABios $Id: vgabios.c 226 2020-01-02 21:36:23Z vruppert $
00001551608i[BXVGA ] VBE kNown display Interface b0c0
00001551640i[BXVGA ] VBE kNown display Interface b0c5
00001554283i[VBIOS ] VBE Bios $Id: vbe.c 228 2020-01-02 23:09:02Z vruppert $
00001901970i[BIOS ] ata0-0: PCHS=20/16/63 translation=none LCHS=20/16/63
00005349148i[BIOS ] IDE time out
00017404779i[BIOS ] Booting from 0000:7c00
00017466534e[cpu0 ] write_virtual_checks(): write beyond limit,r/w
00017466534e[cpu0 ] interrupt(): gate descriptor is not valid sys seg (vector=0x0d)
00017466534e[cpu0 ] interrupt(): gate descriptor is not valid sys seg (vector=0x08)
00017466534i[cpu0 ] cpu is in protected mode (active)
00017466534i[cpu0 ] CS.mode = 32 bit
00017466534i[cpu0 ] SS.mode = 16 bit
00017466534i[cpu0 ] EFER = 0x00000000
00017466534i[cpu0 ] | EAX=60000011 EBX=00000000 ECX=00090000 EDX=00000000
00017466534i[cpu0 ] | ESP=00008000 EBP=00000000 ESI=000e0000 EDI=0000ffac
00017466534i[cpu0 ] | IOPL=0 id vip vif ac vm RF nt of df if tf sf zf af PF cf
00017466534i[cpu0 ] | SEG sltr(index|ti|rpl) base limit G D
00017466534i[cpu0 ] | CS:0008( 0001| 0| 0) 00000000 ffffffff 1 1
00017466534i[cpu0 ] | DS:0000( 0005| 0| 0) 00000000 0000ffff 0 0
00017466534i[cpu0 ] | SS:0010( 0005| 0| 0) 00000100 0000ffff 0 0
00017466534i[cpu0 ] | ES:0000( 0005| 0| 0) 00000000 0000ffff 0 0
00017466534i[cpu0 ] | FS:0000( 0005| 0| 0) 00000000 0000ffff 0 0
00017466534i[cpu0 ] | GS:0000( 0005| 0| 0) 00000000 0000ffff 0 0
00017466534i[cpu0 ] | EIP=00007c44 (00007c44)
00017466534i[cpu0 ] | CR0=0x60000011 CR2=0x00000000
00017466534i[cpu0 ] | CR3=0x00000000 CR4=0x00000000
(0).[17466534] [0x000000007c44] 0008:0000000000007c44 (unk. ctxt): mov dword ptr ds:0x00112345,0x00001234 ; c7054523110034120000
00017466534e[cpu0 ] exception(): 3rd (13) exception with no resolution,shutdown status is 00h,resetting
00017466534i[SYS ] bx_pc_system_c::Reset(HARDWARE) called
00017466534i[cpu0 ] cpu hardware reset
00017466534i[APIC0 ] allocate APIC id=0 (MMIO enabled) to 0x0000fee00000
00017466534i[cpu0 ] cpuID[0x00000000]: 00000005 756e6547 6c65746e 49656e69
00017466534i[cpu0 ] cpuID[0x00000001]: 00000633 00010800 00002028 1fcbfbff
00017466534i[cpu0 ] cpuID[0x00000002]: 00410601 00000000 00000000 00000000
00017466534i[cpu0 ] cpuID[0x00000003]: 00000000 00000000 00000000 00000000
00017466534i[cpu0 ] cpuID[0x00000004]: 00000000 00000000 00000000 00000000
00017466534i[cpu0 ] cpuID[0x00000005]: 00000040 00000040 00000003 00000020
00017466534i[cpu0 ] cpuID[0x80000000]: 80000008 00000000 00000000 00000000
00017466534i[cpu0 ] cpuID[0x80000001]: 00000000 00000000 00000101 2a100000
00017466534i[cpu0 ] cpuID[0x80000002]: 20202020 20202020 20202020 6e492020
00017466534i[cpu0 ] cpuID[0x80000003]: 286c6574 50202952 69746e65 52286d75
00017466534i[cpu0 ] cpuID[0x80000004]: 20342029 20555043 20202020 00202020
00017466534i[cpu0 ] cpuID[0x80000005]: 01ff01ff 01ff01ff 40020140 40020140
00017466534i[cpu0 ] cpuID[0x80000006]: 00000000 42004200 02008140 00000000
00017466534i[cpu0 ] cpuID[0x80000007]: 00000000 00000000 00000000 00000000
00017466534i[cpu0 ] cpuID[0x80000008]: 00003028 00000000 00000000 00000000
00017466534i[cpu0 ] cpu Features supported:
00017466534i[cpu0 ] x87
00017466534i[cpu0 ] 486ni
00017466534i[cpu0 ] pentium_ni
00017466534i[cpu0 ] p6ni
00017466534i[cpu0 ] mmx
00017466534i[cpu0 ] debugext
00017466534i[cpu0 ] vme
00017466534i[cpu0 ] pse
00017466534i[cpu0 ] pae
00017466534i[cpu0 ] pge
00017466534i[cpu0 ] pse36
00017466534i[cpu0 ] mtrr
00017466534i[cpu0 ] pat
00017466534i[cpu0 ] sysenter_sysexit
00017466534i[cpu0 ] clflush
00017466534i[cpu0 ] sse
00017466534i[cpu0 ] sse2
00017466534i[cpu0 ] mwait
00017466534i[cpu0 ] vmx
00017466534i[cpu0 ] longmode
00017466534i[cpu0 ] lm_lahf_sahf
00017466534i[cpu0 ] nx
00017466534i[cpu0 ] cmpxhg16b
00017466534i[cpu0 ] rdtscp
00017466534i[cpu0 ] ffxsr
00017466534i[cpu0 ] x2apic
00017466534i[PLUGIN] reset of 'pci' plugin device by virtual method
00017466534i[PLUGIN] reset of 'pci2isa' plugin device by virtual method
00017466534i[PLUGIN] reset of 'cmos' plugin device by virtual method
00017466534i[PLUGIN] reset of 'dma' plugin device by virtual method
00017466534i[PLUGIN] reset of 'pic' plugin device by virtual method
00017466534i[PLUGIN] reset of 'pit' plugin device by virtual method
00017466534i[PLUGIN] reset of 'vga' plugin device by virtual method
00017466534i[PLUGIN] reset of 'floppy' plugin device by virtual method
00017466534i[PLUGIN] reset of 'acpi' plugin device by virtual method
00017466534i[PLUGIN] reset of 'hpet' plugin device by virtual method
00017466534i[PLUGIN] reset of 'ioapic' plugin device by virtual method
00017466534i[PLUGIN] reset of 'keyboard' plugin device by virtual method
00017466534i[PLUGIN] reset of 'harddrv' plugin device by virtual method
00017466534i[PLUGIN] reset of 'pci_ide' plugin device by virtual method
00017466534i[PLUGIN] reset of 'unmapped' plugin device by virtual method
00017466534i[PLUGIN] reset of 'biosdev' plugin device by virtual method
00017466534i[PLUGIN] reset of 'speaker' plugin device by virtual method
00017466534i[PLUGIN] reset of 'extfpuirq' plugin device by virtual method
00017466534i[PLUGIN] reset of 'parallel' plugin device by virtual method
00017466534i[PLUGIN] reset of 'serial' plugin device by virtual method
00017466534i[PLUGIN] reset of 'gameport' plugin device by virtual method
00017466534i[PLUGIN] reset of 'iodebug' plugin device by virtual method
00017466534i[PLUGIN] reset of 'usb_uhci' plugin device by virtual method
Next at t=17466535
(0) [0x0000fffffff0] f000:fff0 (unk. ctxt): jmpf 0xf000:e05b ; ea5be000f0
解决方法
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