awilcox on gwyn [pts/7 Fri 7 11:29] ~: ./aioWrite zsh: segmentation fault ./aioWrite awilcox on gwyn [pts/7 Fri 7 11:29] ~: ./aioWrite zsh: segmentation fault ./aioWrite awilcox on gwyn [pts/7 Fri 7 11:29] ~: ./aioWrite zsh: segmentation fault ./aioWrite awilcox on gwyn [pts/7 Fri 7 11:29] ~: ./aioWrite zsh: segmentation fault ./aioWrite awilcox on gwyn [pts/7 Fri 7 11:29] ~: ./aioWrite zsh: segmentation fault ./aioWrite awilcox on gwyn [pts/7 Fri 7 11:29] ~: gdb aioWrite GNU gdb (GDB) 8.2 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "powerpc64-foxkit-linux-musl". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from aioWrite...done. (gdb) run Starting program: /home/awilcox/aioWrite [New LWP 60165] [LWP 60165 exited] aio_write/1-1.c cancelationStatus : 2 Test PASSED [Inferior 1 (process 60162) exited normally] (gdb) quit Well, that's pretty interesting. awilcox on gwyn [pts/7 Fri 7 11:29] ~: uname -a Linux gwyn 4.14.76-mc11-easy-p8 #1 SMP Sat Nov 17 04:52:54 UTC 2018 ppc64 GNU/Linux awilcox on gwyn [pts/7 Fri 7 11:30] ~: /lib/ld-musl-powerpc64.so.1 musl libc (powerpc64) Version 1.1.20 Dynamic Program Loader Usage: /lib/ld-musl-powerpc64.so.1 [options] [--] pathname [args] Maybe this is a bug that has been fixed on master? Best, --arw -- A. Wilcox (awilfox) Project Lead, Adélie Linux https://www.adelielinux.org