ec2实例不启动

我有一个EBS支持的EC2实例，它不启动系统日志说：

[ 0.881605] Write protecting the kernel read-only data: 1196k Loading, please wait... %GCouldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Couldn't get a file descriptor referring to the console Begin: Loading essential drivers... ... [ 1.006136] fuse init (API version 7.12) Done. Begin: Running /scripts/init-premount ... Done. Begin: Mounting root file system... ... Begin: Running /scripts/local-top ... Done. Begin: Waiting for root file system... ... Done. Begin: Running /scripts/local-premount ... Done. [ 1.320965] kjournald starting. Commit interval 5 seconds [ 1.320984] EXT3-fs: mounted filesystem with writeback data mode. Begin: Running /scripts/local-bottom ... Done. Done. Begin: Running /scripts/init-bottom ... Begin: Starting AppArmor profiles ... chroot: cannot execute /etc/apparmor/initramfs: No such file or directory Failure: AppArmor profiles failed to load Done. [ 3.741464] EXT3-fs warning: checktime reached, running e2fsck is recommended [ 3.742696] EXT3 FS on sda1, internal journal init: console-setup main process (2139) terminated with status 1 %Ginit: plymouth main process (341) killed by SEGV signal init: plymouth-splash main process (2431) terminated with status 2 init: squid main process (2493) killed by ABRT signal cloud-init running: Sun, 02 Dec 2012 20:36:06 +0000. up 5.77 seconds init: ureadahead-other main process (2511) terminated with status 4 swapon: /dev/sda3: swapon failed: Device or resource busy mountall: swapon /dev/sda3 [2513] terminated with status 255 mountall: Problem activating swap: /dev/sda3 init: ureadahead-other main process (2522) terminated with status 4 mountall: Disconnected from Plymouth Close 

这是否意味着我的sda1磁盘有问题？ 我有一个快照，我可以使用。