MySQL: Can not drop or create specific tblname

Symptom:
Drop table shows "Unknown table"
Create table only create tblname.idb, but not tblname.frm, select the tblname shows doesn't exist

Fix procedure:
1. Stop MySQL
  service mysql stop
2. Remove ib_logfile0 and ib_logfile1
  cd /var/lib/mysql
  rm ib_logfile0 ib_logfile1
3. Remove tblname files
  cd /var/lib/mysql/dbname
  rm tblname*
4. Start MySQL
  service mysql start