Ongoing U320 AIC7902 Seagate ST318453LW issues, SCB timed out

[Justin T. Gibbs]

>> I'll go out on a limb and suggest 'kern.cam.da%d.max_tags" or 
>> something
>> similar, as this will be useful for more than just the Adaptec chip.
> 
> OK, you guys are exceeding my knowledge :)
> 
> cam_sim_alloc() seems to be the fn that ahd_attach() calls
> that sets this.

That just sets it on a per-controller basis.  You could also control
it on a per device basis by modifying the code in cam_periph.c that
handles peripheral driver instances.  Support for both should be
pretty easy to add and both have their uses.

--
Justin