Amazon-Ec2
核心恐慌 - 不同步：VFS：無法掛載根
我將 centos 6.2 VMDK 上傳到 s3，然後使用 ec2 導入卷將其轉換為卷。然後我拍攝了卷的快照並將其刪除。現在我正在嘗試從快照創建一個實例並不斷收到以下錯誤：
“核心恐慌 - 不同步：VFS：無法在未知塊 (8,1) 上掛載 root fs”
即使我不知道在恢復快照時要使用哪個 AKI…目前我正在嘗試使用預設值進行恢復。
完整的系統日誌如下：
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)請幫助我……從過去 4 天開始努力解決這個問題。
我收到此錯誤是因為在啟動實例時選擇了錯誤的 AKI id。一旦我選擇了正確的 ID，這個錯誤就消失了，實例開始正常工作。