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RCS file: /cvsrepo/anoncvs/cvs/www/sparc64.html,v
retrieving revision 1.403
retrieving revision 1.404
diff -u -r1.403 -r1.404
--- www/sparc64.html	2020/05/19 02:02:10	1.403
+++ www/sparc64.html	2020/06/28 12:28:18	1.404
@@ -230,6 +230,11 @@
 before OpenBSD can be successfully installed.  The SPARC Enterprise
 T5120/T5220 needs at least OBP 4.28.0.
 
+On machines like the Oracle SPARC T4-2, older firmware versions from
+around 2011 are known to cause kernel panics and crashes in
+<a href="https://man.openbsd.org/sparc64/ldomd.8">ldomd</a>;  later
+versions, at least SysFW 8.9.11 from 2018, are known to work.
+
 <h4>Supported devices</h4>
 
 <ul>