kldload hwpmc.ko fails with link_elf_obj: symbol linker_hwpmc_list_objects undefined

Xin LI delphij at delphij.net
Wed Nov 28 10:28:35 PST 2007


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Dear colleagues,

With a fresh 7.0-BETA3 build it seems to be unable to load hwpmc.ko into
kernel.  I got this:

link_elf_obj: symbol linker_hwpmc_list_objects undefined

and it seems that the symbol depends on HWPMC_HOOKS.  Shall we provide
some mechanism to prevent building hwpmc.ko if it is not defined, or
make it a default option for GENERIC?

Cheers,
- --
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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