Would the following be related to this issue ?
kernel-package (8.115) unstable; urgency=low
* Bug fix: "SPARC/SILO: does not set the right initrd for the kernel",
thanks to Joerg Friedrich. We now mention that the generated
silo.conf is a best effort kinda thing, and a human needs to check it.
(Closes: #282965 <http://bugs.debian.org/282965>).
Nico