[    0.781420] F2FS-fs (ram0): Can't find a valid F2FS filesystem
[    0.787774] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(1,0)
[    0.796420] [<c0010569>] (unwind_backtrace+0x1/0x8c) from [<c0371711>] (panic+0x55/0x14c)
[    0.804953] [<c0371711>] (panic+0x55/0x14c) from [<c05dc96b>] (mount_block_root+0x13b/0x178)
[    0.813755] [<c05dc96b>] (mount_block_root+0x13b/0x178) from [<c05dcad7>] (mount_root+0x8b/0xa8)
[    0.822930] [<c05dcad7>] (mount_root+0x8b/0xa8) from [<c05dcbb9>] (prepare_namespace+0xc5/0x118)
[    0.832099] [<c05dcbb9>] (prepare_namespace+0xc5/0x118) from [<c036e21f>] (kernel_init+0x7/0x90)
[    0.841271] [<c036e21f>] (kernel_init+0x7/0x90) from [<c000c73d>] (ret_from_fork+0x11/0x34)
[    0.849975] drm_kms_helper: panic occurred, switching back to text console