Panicked at src/task/structs.rs:155 new_user: no such app

[wangzhankun]

环境

• Ubuntu 22.04 5.15.0-60-generic
• qemu 7.2.50
• cargo 1.67.0-nightly
• 已开启KVM且支持嵌套虚拟化
• Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz, 已启用VT-x

log

在hypervisor下执行make run时报错如下：

[ERROR nimbos::lang_items] Panicked at src/task/structs.rs:155 new_user: no such app
[WARN  nimbos::drivers::misc::qemu_x86_reset] Shutting down...
[  0.199425 ERROR rvm_hypervisor::lang_items:5] panicked at 'Unsupported I/O port 0x604 access: VmxIoExitInfo {
    access_size: 0x2,
    is_in: false,
    is_string: false,
    is_repeat: false,
    port: 0x604,
}', src/hv/vmexit.rs:122:9

完整启动log如下：

SeaBIOS (version rel-1.16.1-0-g3208b098f51a-prebuilt.qemu.org)


iPXE (http://ipxe.org) 00:02.0 CA00 PCI2.10 PnP PMM+06FD0CD0+06F30CD0 CA00
                                                                               


Booting from ROM..

    RRRRRR  VV     VV MM    MM
    RR   RR VV     VV MMM  MMM
    RRRRRR   VV   VV  MM MM MM
    RR  RR    VV VV   MM    MM
    RR   RR    VVV    MM    MM
     ___    ____    ___    ___
    |__ \  / __ \  |__ \  |__ \
    __/ / / / / /  __/ /  __/ /
   / __/ / /_/ /  / __/  / __/
  /____/ \____/  /____/ /____/

arch = x86_64
build_mode = release
log_level = warn

Initializing heap at: [0xffffff800124b010, 0xffffff800164b010)
Initializing GDT...
Initializing IDT...
Initializing Local APIC...
Initializing frame allocator at: [0x164c000, 0x4000000)
Initialization completed.

Starting virtualization...
Hardware support: true
Running guest...

NN   NN  iii               bb        OOOOO    SSSSS
NNN  NN       mm mm mmmm   bb       OO   OO  SS
NN N NN  iii  mmm  mm  mm  bbbbbb   OO   OO   SSSSS
NN  NNN  iii  mmm  mm  mm  bb   bb  OO   OO       SS
NN   NN  iii  mmm  mm  mm  bbbbbb    OOOO0    SSSSS
              ___    ____    ___    ___
             |__ \  / __ \  |__ \  |__ \
             __/ / / / / /  __/ /  __/ /
            / __/ / /_/ /  / __/  / __/
           /____/ \____/  /____/ /____/

arch = x86_64
platform = pc
build_mode = release
log_level = warn

Initializing kernel heap at: [0xffffff800022cd00, 0xffffff800062cd00)
Initializing IDT...
Loading GDT for CPU 0...
Initializing frame allocator at: [PA:0x62d000, PA:0x8000000)
Mapping .text: [0xffffff8000200000, 0xffffff800021b000)
Mapping .rodata: [0xffffff800021b000, 0xffffff8000220000)
Mapping .data: [0xffffff8000220000, 0xffffff8000228000)
Mapping .bss: [0xffffff800022c000, 0xffffff800062d000)
Mapping boot stack: [0xffffff8000228000, 0xffffff800022c000)
Mapping physical memory: [0xffffff800062d000, 0xffffff8008000000)
Mapping MMIO: [0xffffff80fec00000, 0xffffff80fec01000)
Mapping MMIO: [0xffffff80fed00000, 0xffffff80fed01000)
Mapping MMIO: [0xffffff80fee00000, 0xffffff80fee01000)
Initializing drivers...
Initializing Local APIC...
Initializing HPET...
HPET: 100.000000 MHz, 64-bit, 3 timers
Calibrated TSC frequency: 2904.451 MHz
Calibrated LAPIC frequency: 726.124 MHz
Initializing task manager...
[ERROR nimbos::lang_items] Panicked at src/task/structs.rs:155 new_user: no such app
[WARN  nimbos::drivers::misc::qemu_x86_reset] Shutting down...
[  0.199425 ERROR rvm_hypervisor::lang_items:5] panicked at 'Unsupported I/O port 0x604 access: VmxIoExitInfo {
    access_size: 0x2,
    is_in: false,
    is_string: false,
    is_repeat: false,
    port: 0x604,
}', src/hv/vmexit.rs:122:9

[equation314]

可能是没有编译 guest 用户程序，请检查 guest/nimbos/user/build/x86_64 目录是否包含以下全部文件：

cyclictest  fantastic_text  forktest2        forktest_simple_c  hello_c      matrix  sleep_simple    thread_simple  usertests
exit        forktest        forktest_simple  forktree           hello_world  sleep   stack_overflow  user_shell     yield