>>> It turns out I was adding the web100 patch (
http://www.web100.org) to
>>> the 2.6.21 kernel and that's what causes the symbol resolving problem
>>> below. Adding the corresponding version of the web100 patch to the
>>> 2.6.20 kernel makes this problem appear there as well. On fresh
>>> versions of the kernel, this problem does not occur. At the moment,
>>> it's not possible to have a current kernel that contains both drbd
>>> and web100.
>>>
>>>> On a 64-bit Gentoo system with Gentoo's 2.6.21 kernel, drbd 8.0.2/3
>>>> complains when I try to load the module:
>>>>
>>>> [ 134.141363] drbd: Unknown symbol cn_fini
>>>> [ 134.141399] drbd: Unknown symbol cn_init
>>>>
>>>> It works fine when I compile it and load in the previous kernel
>>>> version, 2.6.20 and the symbols are present in the map file
>>>>
>>>> ./System.map-genkernel-x86_64-2.6.21-gentoo-r2:ffffffff802935aa t
>>>> cn_fini
>>>> ./System.map-genkernel-x86_64-2.6.21-gentoo-r2:ffffffff8029362a t
>>>> cn_init
>>>>
>>>> I am c'cing the kernel mailing list because this appears to be a
>>>> problem with how any module accesses symbols in the kernel, not just
>>> >drbd. Source was compiled with Gentoo gcc-4.1.2, glibc-2.5-r3
