3 Error code 0 bug (run out of handles)
4 By opening lots of files and not closing them yaffs can run out of handles.
5 The error code given by yaffs_get_error() returns 0. this error is not defined in yportenv.h
7 ENOENT error when opening a new file with O_CREATE
8 remove the emfile and use seed 1288064149 to generate this error.