[head tinderbox] failure on sparc64/sparc64

[FreeBSD Tinderbox]

TB --- 2008-08-17 17:21:01 - tinderbox 2.4 running on ref7-amd64.freebsd.org
TB --- 2008-08-17 17:21:01 - starting HEAD tinderbox run for sparc64/sparc64
TB --- 2008-08-17 17:21:01 - WARNING: /scratch/tmp/des/HEAD/sparc64/sparc64/lock: flock(): Resource temporarily unavailable
TB --- 2008-08-17 17:21:01 - ERROR: unable to lock sandbox
TB --- 2008-08-17 17:21:01 - tinderbox aborted
TB --- 0.05 user 0.01 system 0.03 real


http://tinderbox.des.no/tinderbox-vimage-HEAD-sparc64-sparc64.full