kern/138235: [ata] Hotswap with SATA drives and AHCI enabled does not work

[mav at FreeBSD.org]

Synopsis: [ata] Hotswap with SATA drives and AHCI enabled does not work

State-Changed-From-To: open->closed
State-Changed-By: mav
State-Changed-When: Thu Oct 29 21:35:30 UTC 2009
State-Changed-Why: 
This is known issue. Drive hot-plug was disabled to address another problem.
To detect new drive you have to detach and attach channel back with atacontrol.

http://www.freebsd.org/cgi/query-pr.cgi?pr=138235