突然停了下电，我的ubuntu成这样了，到这里停住了
[ 1.284186] Call Trace:
[ 1.284225] [<c1658edf>] dump_stace+0x41/0x52
[ 1.284269] [<c1653c12>] panic+0x87/0x181
[ 1.284312] [<c19c1f86>] mount_block_root+0x1e2/0x254
[ 1.284357] [<c19c2171>] mount_root+0x5b/0x61
[ 1.284398] [<c19c22c5>] prepare_namespace+0x14e/0x192
[ 1.284443] [<c19c1524>] ? do_early_param+0x78/0x78
[ 1.284543] [<c164ee50>] kernel_init+0x10/0x100
[ 1.284585] [<c16671f7>] ret_from_kernel_thred+0x1b/0x28
[ 1.284630] [<c164ee40>] ? rest_init+0x70/0x70


求大神帮忙，谢谢，谢谢

在先等，我该怎么破

用u盘系统或live cd启动，对磁盘fsck。
如果修复失败就准备重装系统