64-bit ipmitool is miscompiled because it uses an implicit declaration for strdup, and consequently sign-extends the low 32 bits of the pointer to 64 bit. The simplest way to reproduce it is with $ ipmitool -H 1.2.3.4 -U root power on Password: <enter whatever you want> Segmentation fault The host can be anything. It's fixed in rawhide.
ipmitool-1.8.17-1.fc24 has been submitted as an update to Fedora 24. https://bodhi.fedoraproject.org/updates/FEDORA-2016-e300f4e1b1
ipmitool-1.8.17-1.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2016-e300f4e1b1
ipmitool-1.8.17-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.