RFC: ATA to CAM integration patch

[Kamigishi Rei]

Alexander Motin wrote:
> Sorry, my fault, it is the different bug, due to disabled invariants I 
> have missed two locking issues. Here is regenerated patch, including 
> this fix and all previous fixes and improvements:
> http://people.freebsd.org/~mav/cam-ata.20090629.patch

OK, a question about the module: sometimes I'm getting loads (20+) of 
messages like

ahcich1: ALL SLOTS BUSY!

Is it purely informational or does it indicate a problem? (I'm using 
Intel Q35+ICH9 in AHCI mode.)

Also, experienced a fatal trap 12 (page fault while in kernel mode) once 
after the patch but couldn't get a reliable dump (though I doubt the 
problem is in ahci.ko - looks like another problem in tcp stack, yet again).

P.S. Could you please change "Native Command Queueing Enabled" to 
"Native Command Queueing enabled" ;) just for better looks, as many of 
FreeBSD's kernel messages lack proper capitalization and such. Thanks ;)
--
Kamigishi Rei
KREI-RIPE