extra:fail: [ 8.571492] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 8.580739] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.0.0-rc5-next-20190211+ #10
[ 8.589195] Hardware name: AAEON UP-APL01/UP-APL01, BIOS UPA1AM52 08/04/2020
[ 8.597069] Call Trace:
[ 8.599794] dump_stack+0x46/0x5b
[ 8.603492] panic+0xf3/0x288
[ 8.606794] mount_block_root+0x184/0x248
[ 8.611272] ? set_debug_rodata+0xc/0xc
[ 8.615552] mount_root+0x121/0x13f
[ 8.619443] ? set_debug_rodata+0xc/0xc
[ 8.623736] prepare_namespace+0x160/0x196
[ 8.628308] kernel_init_freeable+0x1ed/0x1fa
[ 8.633162] ? rest_init+0xb0/0xb0
[ 8.636957] kernel_init+0x5/0x100
[ 8.640743] ret_from_fork+0x35/0x40
[ 8.644792] Kernel Offset: 0x2800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 8.784633] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---