Hi, opendchub crashed with core dump signal 12. # gdb -c opendchub.core file opendchub bt #0 0x2822c657 in ?? () #1 0x080692fb in init_sem (sem=0x808d974) at utils.c:411 #2 0x08062e9a in main (argc=1, argv=0xbfbfec44) at main.c:2778 utils.c:411 *sem = semget(IPC_PRIVATE, 1, 0600); Why semget is bad system call? -- WBR, Andrey V. Elsukov