我上传了一个centos 6.2 VMDK到s3，然后使用ec2导入音量将其转换为音量。 然后我把卷的快照，并删除它。现在我试图从快照创build一个实例，并继续得到以下错误：
“内核恐慌 – 不同步：VFS：无法在未知块（8,1）上挂载根fs”
即使我不知道哪些AKI使用，同时恢复快照…目前我正在尝试使用默认值进行恢复。
完整的系统日志如下：
Linux version 2.6.16-xenU (root@ip-10-204-118-8) (gcc version 4.0.2 20051125 (Red Hat 4.0.2-8)) #14 SMP Wed Nov 23 08:48:06 EST 2011 BIOS-provided physical RAM map: Xen: 0000000000000000 - 0000000026f00000 (usable) 0MB HIGHMEM available. 623MB LOWMEM available. NX (Execute Disable) protection: active Built 1 zonelists Kernel command line: root=/dev/sda1 ro 4 Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 PID hash table entries: 4096 (order: 12, 65536 bytes) Xen reported: 1795.672 MHz processor. Console: colour dummy device 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Software IO TLB disabled vmalloc area: e7800000-f53fe000, maxmem 2d7fe000 Memory: 618496k/637952k available (1970k kernel code, 11016k reserved, 628k data, 156k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay using timer specific routine.. 3593.73 BogoMIPS (lpj=17968651) Mount-cache hash table entries: 512 CPU: L1 I cache: 32K, L1 D cache: 32K CPU: L2 cache: 256K CPU: L3 cache: 20480K Checking 'hlt' instruction... OK. Brought up 1 CPUs migration_cost=0 Grant table initialized NET: Registered protocol family 16 Brought up 1 CPUs xen_mem: Initialising balloon driver. VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API io scheduler noop registered io scheduler anticipatory registered (default) io scheduler deadline registered io scheduler cfq registered i8042.c: No controller found. RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize Xen virtual console successfully installed as tty1 Event-channel device installed. netfront: Initialising virtual ethernet driver. mice: PS/2 mouse device common for all mice md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: bitmap version 4.39 NET: Registered protocol family 2 IP route cache hash table entries: 32768 (order: 5, 131072 bytes) TCP established hash table entries: 131072 (order: 8, 1048576 bytes) TCP bind hash table entries: 65536 (order: 7, 524288 bytes) TCP: Hash tables configured (established 131072 bind 65536) TCP reno registered TCP bic registered NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 15 Using IPI No-Shortcut mode netfront: device eth0 has copying receive path. Registering block device major 8 XENBUS: Device with no driver: device/console/0 md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(8,1) 请帮助我…从最后4天努力解决这个问题。
我收到这个错误是因为在启动实例时select了错误的AKI ID。 只要我select正确的ID，这个错误消失，实例开始工作正常。