What is difference between loading module with loader and loading module wtih kldload?

[Lokadamus]

Am 25.02.2014 22:31, schrieb Lev Serebryakov:
> Hello, Hackers.
>
>    I've upgraded my fileserver to 10-STABLE and got very strange (but
>   very-very painful) problem, which I could not reproduce on virtual machine
>   (VirtualBox).
>
>   I'm using geom_raid5 module (and I'm its maintainer, yes) and module, built
> for 10-STABLE (after world & kernel build & install & reboot), and loaded
> via /boot/loader.conf is reason to almost instant crash after boot.
> Sometimes system mounts filesystems before crash and sometimes not. Most of
> time it is "page write: page not present", in different places. PS/2
> keyboard is always blocked after that, I could not drop to debugger. No
> memory dump performed. Several times it turend off video output (!) right
> after crash.
Can you find some hint?: 
https://www.google.de/search?q=page+write%3A+page+not+present

>   But if I boot without this module, drop to single-user mode, load module
> with kldload and continue booting with "exit" everything work smoothly for
> hours!
>
>   I understand, that it it some incompatibility between module new kernel,
> but I could not reproduce it on VirtualBox instance, and I'm puzzled, that
> this crash does not occur if module loaded by kldload! Maybe, here is some
> hint in this?
>
Greetings