<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>whitequark</span></a></span> I think I may have experienced something like that on my first-gen Ryzen motherboard. System would hard freeze under Linux (not even sysreq keys worked (yes I made sure they were enabled)) <a href="https://community.amd.com/t5/pc-processors/ryzen-linux-kernel-bug-196683-random-soft-lockup/m-p/156318/highlight/true#M10732" target="_blank" rel="nofollow noopener">unless an idle power setting was turned off in the EUFI.</a> I guess that's not really embedded though.</p>