/init shell 启动失败，相同的配置，用 buildroot 编译出来的文件系统启动正常

**【模块名_概率】简要描述：**
文件系统采用 ramdisk 形式，/init 启动脚本一致， buildroot 编译出来的文件系统能够正常启动， ohos的启动失败

/init 内容如下：
```
#!/bin/sh
# devtmpfs does not get automounted for initramfs
/bin/mount -t devtmpfs devtmpfs /dev

# use the /dev/console device node from devtmpfs if possible to not
# confuse glibc's ttyname_r().
# This may fail (E.G. booted with console=), and errors from exec will
# terminate the shell, so use a subshell for the test
if (exec 0</dev/console) 2>/dev/null; then
    exec 0</dev/console
    exec 1>/dev/console
    exec 2>/dev/console
fi

echo "start sh..."
exec /bin/sh

#exec /sbin/init "$@"
```

buildroot 编译出来的文件系统， log 如下：
```
[    2.142637] ohci-platform 1c1c400.usb: Generic Platform OHCI controller
[    2.149300] ohci-platform 1c1c400.usb: new USB bus registered, assigned bus number 4
[    2.157235] ohci-platform 1c1c400.usb: irq 40, io mem 0x01c1c400
[    2.169226] ata1: SATA link down (SStatus 0 SControl 300)
[    2.233849] hub 4-0:1.0: USB hub found
[    2.237643] hub 4-0:1.0: 1 port detected
[    2.242419] ALSA device list:
[    2.245402]   No soundcards found.
[    2.248845] Warning: unable to open an initial console.
[    2.256727] Freeing unused kernel memory: 2048K
[    2.289377] Run /init as init process
start sh...
/bin/sh: can't access tty; job control turned off
/ # ls /
bin      init     linuxrc  opt      run      tmp
dev      lib      media    proc     sbin     usr
etc      lib32    mnt      root     sys      var
/ # 
```

ohos 编译出来的文件系统(产品 ipcamera_hispark_taurus_linux)，启动信息如下：
```
[    2.692655] ohci-platform 1c1c400.usb: Generic Platform OHCI controller
[    2.699315] ohci-platform 1c1c400.usb: new USB bus registered, assigned bus number 4
[    2.707222] ohci-platform 1c1c400.usb: irq 40, io mem 0x01c1c400
[    2.709261] ata1: SATA link down (SStatus 0 SControl 300)
[    2.783870] hub 4-0:1.0: USB hub found
[    2.787678] hub 4-0:1.0: 1 port detected
[    2.792458] ALSA device list:
[    2.795443]   No soundcards found.
[    2.813284] Freeing unused kernel memory: 11264K
[    2.849426] Run /init as init process
[    2.858301] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004
[    2.865993] CPU: 1 PID: 1 Comm: init Not tainted 5.10.60 #19
[    2.871654] Hardware name: Allwinner sun8i Family
[    2.876388] [<c010d65c>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
[    2.884142] [<c010a194>] (show_stack) from [<c07b1388>] (dump_stack+0x98/0xac)
[    2.891375] [<c07b1388>] (dump_stack) from [<c07aea18>] (panic+0x110/0x2fc)
[    2.898346] [<c07aea18>] (panic) from [<c0120104>] (do_exit+0xa6c/0xab0)
[    2.905054] [<c0120104>] (do_exit) from [<c012103c>] (do_group_exit+0x3c/0xc8)
[    2.912286] [<c012103c>] (do_group_exit) from [<c012c6ac>] (get_signal+0x140/0x864)
[    2.919952] [<c012c6ac>] (get_signal) from [<c0109a64>] (do_work_pending+0x114/0x560)
[    2.927789] [<c0109a64>] (do_work_pending) from [<c01000cc>] (slow_work_pending+0xc/0x20)
[    2.935966] Exception stack(0xc1879fb0 to 0xc1879ff8)
[    2.941021] 9fa0:                                     3003dca7 21b9fd45 00000000 00000000
[    2.949203] 9fc0: bec77d84 b6fa0a3c 004b2c78 00000000 00000006 00000001 00476017 bec77da0
[    2.957383] 9fe0: 00000018 bec77d58 b6f925d8 b6f49a78 20000010 ffffffff
[    2.964009] CPU0: stopping
[    2.966728] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.60 #19
[    2.972820] Hardware name: Allwinner sun8i Family
[    2.977534] [<c010d65c>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
[    2.985284] [<c010a194>] (show_stack) from [<c07b1388>] (dump_stack+0x98/0xac)
[    2.992513] [<c07b1388>] (dump_stack) from [<c010bed4>] (do_handle_IPI+0xf8/0x12c)
[    3.000088] [<c010bed4>] (do_handle_IPI) from [<c010bf20>] (ipi_handler+0x18/0x20)
[    3.007666] [<c010bf20>] (ipi_handler) from [<c0167780>] (generic_handle_irq+0x34/0x44)
[    3.015678] [<c0167780>] (generic_handle_irq) from [<c0167d84>] (__handle_domain_irq+0x5c/0xb0)
[    3.024384] [<c0167d84>] (__handle_domain_irq) from [<c0402958>] (gic_handle_irq+0x80/0x94)
[    3.032743] [<c0402958>] (gic_handle_irq) from [<c0100b0c>] (__irq_svc+0x6c/0x90)
[    3.040226] Exception stack(0xc1601f38 to 0xc1601f80)
[    3.045279] 1f20:                                                       00000000 000039fc
[    3.053461] 1f40: eefb3644 c0116760 c1600000 00000000 c1604f14 c1604f50 eefeaac0 c0b42a58
[    3.061642] 1f60: 10c5387d 00000000 c1604f14 c1601f88 c010758c c0107590 60000013 ffffffff
[    3.069825] [<c0100b0c>] (__irq_svc) from [<c0107590>] (arch_cpu_idle+0x38/0x3c)
[    3.077231] [<c0107590>] (arch_cpu_idle) from [<c07bc0d8>] (default_idle_call+0x24/0x34)
[    3.085329] [<c07bc0d8>] (default_idle_call) from [<c0147ef8>] (do_idle+0xc4/0x13c)
[    3.092993] [<c0147ef8>] (do_idle) from [<c0148220>] (cpu_startup_entry+0x18/0x1c)
[    3.100571] [<c0148220>] (cpu_startup_entry) from [<c0b00df8>] (start_kernel+0x498/0x4d0)
[    3.108749] CPU2: stopping
[    3.111460] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.10.60 #19
[    3.117551] Hardware name: Allwinner sun8i Family
[    3.122264] [<c010d65c>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
[    3.130013] [<c010a194>] (show_stack) from [<c07b1388>] (dump_stack+0x98/0xac)
[    3.137241] [<c07b1388>] (dump_stack) from [<c010bed4>] (do_handle_IPI+0xf8/0x12c)
[    3.144816] [<c010bed4>] (do_handle_IPI) from [<c010bf20>] (ipi_handler+0x18/0x20)
[    3.152392] [<c010bf20>] (ipi_handler) from [<c0167780>] (generic_handle_irq+0x34/0x44)
[    3.160403] [<c0167780>] (generic_handle_irq) from [<c0167d84>] (__handle_domain_irq+0x5c/0xb0)
[    3.169107] [<c0167d84>] (__handle_domain_irq) from [<c0402958>] (gic_handle_irq+0x80/0x94)
[    3.177465] [<c0402958>] (gic_handle_irq) from [<c0100b0c>] (__irq_svc+0x6c/0x90)
[    3.184948] Exception stack(0xc18a1f78 to 0xc18a1fc0)
[    3.190001] 1f60:                                                       00000000 00005064
[    3.198182] 1f80: eefd1644 c0116760 c18a0000 00000002 c1604f14 c1604f50 4000406a 410fc075
[    3.206363] 1fa0: 00000000 00000000 c1604f14 c18a1fc8 c010758c c0107590 60000013 ffffffff
[    3.214547] [<c0100b0c>] (__irq_svc) from [<c0107590>] (arch_cpu_idle+0x38/0x3c)
[    3.221950] [<c0107590>] (arch_cpu_idle) from [<c07bc0d8>] (default_idle_call+0x24/0x34)
[    3.230046] [<c07bc0d8>] (default_idle_call) from [<c0147ef8>] (do_idle+0xc4/0x13c)
[    3.237710] [<c0147ef8>] (do_idle) from [<c0148220>] (cpu_startup_entry+0x18/0x1c)
[    3.245285] [<c0148220>] (cpu_startup_entry) from [<401014ec>] (0x401014ec)
[    3.252246] CPU3: stopping
[    3.254966] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.10.60 #19
[    3.261058] Hardware name: Allwinner sun8i Family
[    3.265771] [<c010d65c>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
[    3.273519] [<c010a194>] (show_stack) from [<c07b1388>] (dump_stack+0x98/0xac)
[    3.280749] [<c07b1388>] (dump_stack) from [<c010bed4>] (do_handle_IPI+0xf8/0x12c)
[    3.288324] [<c010bed4>] (do_handle_IPI) from [<c010bf20>] (ipi_handler+0x18/0x20)
[    3.295900] [<c010bf20>] (ipi_handler) from [<c0167780>] (generic_handle_irq+0x34/0x44)
[    3.303910] [<c0167780>] (generic_handle_irq) from [<c0167d84>] (__handle_domain_irq+0x5c/0xb0)
[    3.312616] [<c0167d84>] (__handle_domain_irq) from [<c0402958>] (gic_handle_irq+0x80/0x94)
[    3.320973] [<c0402958>] (gic_handle_irq) from [<c0100b0c>] (__irq_svc+0x6c/0x90)
[    3.328455] Exception stack(0xc18a3f78 to 0xc18a3fc0)
[    3.333509] 3f60:                                                       00000000 00003f5c
[    3.341690] 3f80: eefe0644 c0116760 c18a2000 00000003 c1604f14 c1604f50 4000406a 410fc075
[    3.349871] 3fa0: 00000000 00000000 c1604f14 c18a3fc8 c010758c c0107590 60000013 ffffffff
[    3.358055] [<c0100b0c>] (__irq_svc) from [<c0107590>] (arch_cpu_idle+0x38/0x3c)
[    3.365458] [<c0107590>] (arch_cpu_idle) from [<c07bc0d8>] (default_idle_call+0x24/0x34)
[    3.373554] [<c07bc0d8>] (default_idle_call) from [<c0147ef8>] (do_idle+0xc4/0x13c)
[    3.381217] [<c0147ef8>] (do_idle) from [<c0148220>] (cpu_startup_entry+0x18/0x1c)
[    3.388791] [<c0148220>] (cpu_startup_entry) from [<401014ec>] (0x401014ec)
[    3.395763] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000004 ]---

```

**【环境信息】:** 
- 网络环境
- 硬件开发板型号
- 软件版本信息或tag节点
- 测试环境
- 其他

**【预置条件】:**

**【测试步骤】：**

**【预期结果】：**

**【实际结果】：**

**【恢复手段】：**

**【出现概率】：问题出现次数/实际测试次数**

**【定位信息】：**

- 1. Log、截图、多媒体文件等，所有和问题有关的信息：

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