[ECOS] probably simple problem: ASSERT in Cyg_StdIostream

[Neundorf, Alexander]

Hi,

probably a simple question, but I already searched on the web for an answer but wasn't successful.
So, I added to my working firmware the File IO package, and didn't change anything in the code. Otherwise I don't use the POSIX compat. (i.e. no pthreads, no main()).
Now, when my program starts I get an assert:

ASSERT FAIL: <8>stream.inl[109]cyg_bool Cyg_StdioStream::trylock_me() Stream
object is not a valid stream!

Some stuff like diag_printf(), sprintf() etc. is used.
I guess I have to prepare something else for the File IO package. 
Any hints ?

Thanks
Alex

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