log如下：
[ 1.492735] Freeing unused kernel memory: 1024K
[ 1.530399] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-464c, throttling...
[ 6.566107] request_module: modprobe binfmt-464c cannot be processed, kmod busy with 50 threads for more than 5 seconds now
[ 6.581489] Starting init: /sbin/init exists but couldn't execute it (error -8)
[ 6.618165] request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module binfmt-464c, throttling...
[ 11.686104] request_module: modprobe binfmt-464c cannot be processed, kmod busy with 50 threads for more than 5 seconds now
[ 11.701420] Starting init: /bin/sh exists but couldn't execute it (error -8)
[ 11.719750] Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance.
[ 11.733903] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.13.0-licheepi-zero+ #46
[ 11.741200] Hardware name: Allwinner sun8i Family
[ 11.745942] [<c010e22c>] (unwind_backtrace) from [<c010af9c>] (show_stack+0x10/0x14)
[ 11.753689] [<c010af9c>] (show_stack) from [<c0674fd0>] (dump_stack+0x90/0xa4)
[ 11.760912] [<c0674fd0>] (dump_stack) from [<c011b05c>] (panic+0xf0/0x268)
[ 11.767786] [<c011b05c>] (panic) from [<c06870d4>] (kernel_init+0x100/0x110)
[ 11.774830] [<c06870d4>] (kernel_init) from [<c0107358>] (ret_from_fork+0x14/0x3c)
[ 11.782403] Rebooting in 5 seconds..
自己buildroot出来的根文件系统，是配置buildroot 哪步出错了吗
离线