https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224646
Bug ID: 224646
Summary: Attempts to load non-PAE modules into a PAE-kernel
should be rejected
Product: Base System
Version: 11.1-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: m...@freebsd.org
When a module is built outside of the normal "make kernel" process, it may not
have the PAE defined. There may also be a problem in the other direction.
I was recently bitten by this as documented in Bug #224616 -- vboxguest.ko
installed by the emulators/virtualbox-ose-additions would load, but fail to
initialize itself with an incomprehensible -- and easy to miss --
error-message.
The port-maintainer(s) may fix the problem with the port, but the kldload
and/or kernel need to detect such miscompilations and reject attempts to load
the module -- with an easy to understand error.
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