> I seen the following line in .xsession-errors. I did not see it bevore
> as this file is removed with every login..
>    fvwm2: ../../src/xcb_io.c:626: _XAllocID: Zusicherung »ret != inval_id« nicht erfüllt.

Well, maybe not in fvwm2 as that file is not part of fvwm.
-- 
Klaus Ethgen                                       http://www.ethgen.ch/
pub  4096R/4E20AF1C 2011-05-16            Klaus Ethgen <Klaus@???>
Fingerprint: 85D4 CA42 952C 949B 1753  62B3 79D0 B06F 4E20 AF1C