module_register_init error 12

[Robert Watson]

On Sun, 31 Oct 2004, sam wun wrote:

> >There appears to be a bug in 5.3-RC1 due to a change in the way CV's are
> >implemented that prevents "early" loaded modules from properly
> >registering.  I'm not sure it is the same bug you're seeing, however.
> >I've corrected the known bug, and will merge the fix to the RELENG_5_*
> >branches so that it's in RC2 shortly.  I've attached the patch below.
> >Could you let me know if it also resolves the problem that you are seeing?
> 
> Thanks, after upgraded the kernel src to the most current 5.3 RC
> yesterday, it works very well, except that the mac_none and/or mac_test
> can't be loaded into the kernel, otherwise mac_biba can't be registered
> by the kernel. But this is fine I think as mac_none and mac_test is very
> useless I guess? 

They are not useful in production, but it would be useful to resolve it as
it's not clear why they don't work but the others do :-).  How many
policies are you attempting to load -- you could be exceeding the limit on
the number of label "Slots" available for use at once.  You could try
modifying src/sys/sys/_label.h to change the value of MAX_MAX_SLOTS to 8
and see if that helps.

Robert N M Watson             FreeBSD Core Team, TrustedBSD Projects
robert at fledge.watson.org      Principal Research Scientist, McAfee Research

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