RK3288 cp ~/.bashrc ~/.bashrc_bak，重启后，文件系统无法启动怎么办（不重烧）
内核起来了，文件系统起不来，能在内核启动后，可以执行命令也行；
Debian GNU/Linux 9 linaro-alip ttyFIQ0
linaro-alip login: root (automatic login)
Last login: Mon Oct 12 01:38:27 UTC 2020 on ttyFIQ0
Linux linaro-alip 4.4.194 #2 SMP Thu Aug 20 15:33:48 PDT 2020 armv7l
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
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-bash: hal: command not found
Stopping ACPI event daemon…
Stopping User Manager for UID 0…
Stopping Save/Restore Sound Card State…
[ OK ] Closed Load/Save RF Kill Switch Status /dev/rfkill Watch.
Stopping Session c2 of user root.
[ OK ] Stopped target Timers.
[ OK ] Stopped Trigger anacron every hour.
[ OK ] Stopped Daily apt upgrade and clean activities.
Stopping Session c1 of user linaro.