> 
[...]
> 
> backplane0 (root)
> sbi0 at backplane0 :Q22
> uba0 at sbi0 tr0
> uda0 at uba0 csr 172150 vec 177, ipl 17
> uda0: controller hung
> uda0: controller hung
> uda0: controller hung
> uda0: controller hung

This means that your controller stopped in the middle of the 
init phase.

> What is going on here ?
> I'm not familiar with VAX Hardware. Is the controller defect or buggy ?
There is probably something strange in the way your Emulex controller
works. Emulex is known to have other ideas than DEC about this :-)

> Is it a timeout problem in the controller hardware (I have read about
> this in the Mailarchive) ?
> 
It may be, but it is not the same problem.

> Is that controller of MSCP type ?
> 
Yes.

> Contains the tk50-file2-10A gennetbsd kernel the uda.c delay patches ?
> 
Yes.

Good luck/Ragge!