大家好，我把之前的Windows 10彻底删除后全新安装了Ubuntu 20.04，安装过程很顺利，但重启系统后却遇到了内核恐慌错误，核心报错是：

kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0).

我的笔记本硬件规格如下：

• RAM：8 GB
• SSD：512 GB
• 安装介质：制作好的可启动USBU盘

完整的内核报错日志如下：

[  0.036150] [Firmware Bug]: TSC_DEADLINE disabled due to Errata: please
update microcode to version: 0x20 (or later)
[  0.603508] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[  0.603551] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.15.0-91-generic #101~20.04.1-Ubuntu
[  0.603580] Hardware name: LENOVO 20354/Lancer 5A5, BIOS 9BCN91WW 07/21/2015
[  0.603605] Call Trace:
[  0.603616]  <TASK>
[  0.603626]  dump_stack_lvl+0x4a/0x63
[  0.603644]  dump_stack+0x10/0x16
[  0.603658]  panic+0x15c/0x334
[  0.603673]  mount_block_root+0x14b/0x1f5
[  0.603691]  mount_root+0x112/0x122
[  0.603705]  prepare_namespace+0x13f/0x191
[  0.603722]  kernel_init_freeable+0x2c5/0x2f1
[  0.603740]  ? rest_init+0x100/0x100
[  0.603757]  kernel_init+0x1b/0x150
[  0.603773]  ? rest_init+0x100/0x100
[  0.603788]  ret_from_fork+0x22/0x30
[  0.603805]  </TASK>
[  0.603838] Kernel Offset: 0x2b400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[  0.603880] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---

备注：内容来源于stack exchange，提问作者Akshay Ballal