On Fri, Jun 22, 2018 at 03:51:54PM +0200, Stefan Sperling wrote: > You could try chasing the problem into bwfm_attachhook() (if_bwfm_pci.c).
Clarification: The attachhook function is in dev/ic/bwfm.c, but the flow will end up somewhere in bwfm_pci_preinit() in dev/pci/if_bwfm_pci.c
