Now I think so, but the problem happen on different client machines (Solaris 9, 10 and Linux). And there is nothing wrong in autofs log:
t35 UNMOUNT REPLY: status=16 t36 UNMOUNT REQUEST: Wed Aug 13 03:30:30 2008 t36 resource=sqa1:/export fstype=nfs mntpnt=/net/sqa1/export mntopts=nosuid,intr,retrans=10,retry=3,xattr,dev=4940c26 direct t36 UNMOUNT REPLY: status=0 ... t38 MOUNT REQUEST: Wed Aug 13 03:31:45 2008 t38 name=sqa1[/export] map=-hosts opts=intr,nosuid,retrans=10,retry=3,nobrowse path=/net/sqa1/export direct=1 t38 MOUNT REPLY : status=0, AUTOFS_ACTION t1 MOUNT REQUEST: Wed Aug 13 03:31:45 2008 t1 name=sqa1[/export/home3] map=-hosts opts=intr,nosuid,retrans=10,retry=3,nobrowse path=/net/sqa1/export/home3 direct=1 t1 MOUNT REPLY : status=0, AUTOFS_DONE This message posted from opensolaris.org