Someone

ubuntu@ubuntu:/$ dmesg | tail
[17179919.604000] hdd: task_in_intr: error=0x01 { AddrMarkNotFound }, LBAsect=6299117, high=0, low=6299117, sector=6299117
[17179919.604000] ide: failed opcode was: unknown
[17179919.604000] end_request: I/O error, dev hdd, sector 6299117
[17179919.604000] Buffer I/O error on device hdd1, logical block 3149527
[17181429.036000] EXT3-fs error (device hdc1): ext3_check_descriptors: Inode bitmap for group 384 not in group (block 2147483647)!
[17181429.052000] EXT3-fs: group descriptors corrupted !
[17181633.944000] EXT3-fs error (device hdc1): ext3_check_descriptors: Inode bitmap for group 384 not in group (block 2147483647)!
[17181633.956000] EXT3-fs: group descriptors corrupted !
[17181842.500000] EXT3-fs error (device hdc1): ext3_check_descriptors: Inode bitmap for group 384 not in group (block 2147483647)!
[17181842.500000] EXT3-fs: group descriptors corrupted !