Hi Jan, Cyril >From old library(i.e. test.h), it seems that only TFAIL, TBROK and TCONF are supported by tst_brkm(). >From new library, are only TFAIL, TBROK and TCONF are supported by tst_brk() as well? I am not sure if tst_brk()should support TWARN. Best Regards, Xiao Yang