我在我的电脑上安装了 Ubuntu 14.04 并正常工作了大约 2 个月，但现在当我尝试启动它时，我只得到这个：
wn-block(0,0)
[ 0.747081] CPU: 1 PID: 1 Comm: swapper/0 Not Tainted 3.13.0-33-generic #58-Ubuntu
[ 0.747132] Hardware name: Dell Inc. Inspiron N5010/0TD2K6, BIOS A08 09/13/2010
[ 0.747183] 0000000000008000 ffff880131e3dd70 ffffffff8171bd04 ffffffff81a3c210
[ 0.747373] ffff880131e3de68 ffffffff81714f05 ffffffff00000010 ffff880131e3de78
[ 0.747566] ffff880131e3de18 ffffffff81715a26 ffff880131e3de88 00000000000000cc
[ 0.747761] Call Trace:
[ 0.747810] [<ffffffff8171bd04>] dump_stack+0x45/0x56
[ 0.747861] [<ffffffff81714f05>] panic+0xc8/0x1d7
[ 0.747908] [<ffffffff81715a26>] ? printk+0x067/0x69
[ 0.747959] [<ffffffff81d3646a>] mount_block_root+0x225/0x2b0
[ 0.748008] [<ffffffff81d36692>] mount_root+0x53/0x56
[ 0.748056] [<ffffffff81d36801>] prepare_namespace+0x16c/0x1a4
[ 0.748105] [<ffffffff81d3616e>] …