As noted in the L4T 23.2 release notes: [url]http://developer.nvidia.com/embedded/dlc/release-notes-23.2[/url] (on page 6)
Hard resetting the TX1 board while it is above 44°C will cause boot failure due to default system shut down value is set to 44°C. The system will boot up once cooled down to below 44°C. This issue does not occur upon warm reset.To fix the issue, you can download a kernel patch that will be available at [url]http://nv-tegra.nvidia.com/gitweb/?p=linux-3.10.git;a=summary[/url]. Please look for tag “tegra-l4t-r23.2.update-01”