6309273 gcc and cpr don't get along
6309381 gcc and idn don't get along
6309472 gcc and javelin envctrltwo don't get along
6310488 gcc and starcat don't get along

PSARC 2002/240 ZFS
6338653 Integrate ZFS
PSARC 2004/652 - DKIOCFLUSH
5096886 Write caching disks need mechanism to flush cache to physical media

OpenSolaris Launch