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Old 9th August 2011
BSDfan666 BSDfan666 is offline
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Just out of morbid curiosity, would you be willing to try compiling a custom kernel?

Assuming you have the kernel source extracted, edit /usr/src/sys/dev/cardbus/if_rl_cardbus.c and comment out #define RL_USEIOSPACE.

Cardbus is a lot like PCI and supports MMIO and x86 port mapped I/O, sometimes its worth seeing if a card works using the other registers.

Alternatively if this doesn't help, try disabling ioapic in UKC or with config(8) and see if that helps.

It wouldn't hurt to send an email to bugs@openbsd.org.
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