fsck issue?

a box running happily over a month 

FreeBSD foo.psg.com 6.0-CURRENT FreeBSD 6.0-CURRENT #13: Tue Nov 30 20:38:02 GMT 2004     root_at_foo.psg.com:/usr/obj/usr/src/sys/FOO  i386

locked up sufficiently to require the reset button.  as it is remote, and
i was not logged into the console, i do not know why.

on restart, it seems to work, but i get

KDB: stack backtrace:
kdb_backtrace(c0680fb8,2,cbbea330,0,22) at kdb_backtrace+0x2e
getdirtybuf(d6654bc0,0,1,cbbea330,1) at getdirtybuf+0x2b
flush_deplist(c26ead4c,1,d6654be4,d6654be8,0) at flush_deplist+0x47
flush_inodedep_deps(c1634800,1562b,3,d6654c34,c054b6fa) at flush_inodedep_deps+0x9e
softdep_sync_metadata(d6654ca4,3,0,d6654c5c,c155f2d0) at softdep_sync_metadata+0x54
ffs_fsync(d6654ca4,0,0,0,0) at ffs_fsync+0x47c
fsync(c1937900,d6654d14,4,d6654d3c,c0516c66) at fsync+0x1a1
syscall(2f,2f,bfbf002f,0,8125c90) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (95, FreeBSD ELF32, fsync), eip = 0x283c59af, esp = 0xbfbfdaac, ebp = 0xbfbfe898 ---

KDB: stack backtrace:
kdb_backtrace(c0680fb8,2,cbcb03b8,0,22) at kdb_backtrace+0x2e
getdirtybuf(d737ebc0,0,1,cbcb03b8,1) at getdirtybuf+0x2b
flush_deplist(c2e17c4c,1,d737ebe4,d737ebe8,0) at flush_deplist+0x47
flush_inodedep_deps(c1634800,1581b,3,d737ec34,c054b6fa) at flush_inodedep_deps+0x9e
softdep_sync_metadata(d737eca4,3,0,d737ec5c,c159d450) at softdep_sync_metadata+0x54
ffs_fsync(d737eca4,0,0,0,0) at ffs_fsync+0x47c
fsync(c2577000,d737ed14,4,d737ed3c,c0516c66) at fsync+0x1a1
syscall(2845002f,2f,bfbf002f,81258f0,1b2) at syscall+0x300
Xint0x80_syscall() at Xint0x80_syscall+0x1f
--- syscall (95, FreeBSD ELF32, fsync), eip = 0x283c59af, esp = 0xbfbfd7fc, ebp = 0xbfbfdaa8 ---

randy