kern/149927: [ata] hard drive not stopped before removing power during acpi suspend

[arundel at FreeBSD.org]

Synopsis: [ata] hard drive not stopped before removing power during acpi suspend

State-Changed-From-To: open->feedback
State-Changed-By: arundel
State-Changed-When: Tue Aug 24 11:11:11 UTC 2010
State-Changed-Why: 
Could you please take a look at 140752. This PR seems to be a duplicate of that
PR.

http://www.freebsd.org/cgi/query-pr.cgi?pr=149927