kernel panic with pccard insert on recent 7.0 CURRENT

Garrett Cooper youshi10 at
Sun Jun 17 07:33:10 UTC 2007

Wilkinson, Alex wrote:
>     0n Sat, Jun 16, 2007 at 11:56:59PM -0600, M. Warner Losh wrote: 
>     >Yes.  I'm pretty sure that's wrong.  All ISA and PC Card devices use
>     >edge triggered interrupts.  Also, it is inefficient for level
>     >triggered interrupts, since two interrupt sources on the same
>     >interrupt may trigger at about the same time...
> What is meant by "edge triggered interrupts" ?
>  -aW
    I'd assume 'edge triggered interrupts' mean interrupts which occur 
on some sort of clock edge, most likely dealing with a clock base 
required for setup, or predefined by the designers for some other reason.

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