bin/148687: [geom] gpart prints invalid partition number when destroying

[brucec at FreeBSD.org]

Synopsis: [geom] gpart prints invalid partition number when destroying

State-Changed-From-To: open->open 
State-Changed-By: brucec
State-Changed-When: Fri Jul 16 18:14:58 UTC 2010
State-Changed-Why: 
This actually appears to be kernel memory corruption: soon afterwards 
I found that gpart was crashing with a segmentation fault and I then 
got a panic, apparently within bcopy called from the ipi nmi handler.
After rebooting I found that the first few sectors of the disk had 
been overwritten with the contents of random files from my main disk.
found that contents from some scripts were on da0.

http://www.freebsd.org/cgi/query-pr.cgi?pr=148687