Bug#1060322: panic on poweroff

[Benjamin Moody]

> This happens with linux-image-5.10.0-26-amd64 (5.10.197-1).
> It does not happen with linux-image-5.10.0-27-amd64 (5.10.205-2).

Sorry, I of course meant to say the problem does *not* occur in
5.10.0-26.  It is a regression in 5.10.0-27.

Benjamin