<verbatim>
INFO: (0) Waiting on test registration(s): bigrun/1014, bigrun/1015

Error: (open-input-pipe) cannot open pipe - Too many open files: "df

	Call history:

	launch.scm:603: args:get-arg
	margs.scm:17: hash-table-ref/default
	launch.scm:604: args:get-arg
	margs.scm:17: hash-table-ref/default
	launch.scm:603: append
	launch.scm:608: pathname-directory
	launch.scm:609: string-split
	launch.scm:611: get-best-disk
	launch.scm:372: hash-table-ref/default
	launch.scm:376: g522
	launch.scm:379: directory?
	launch.scm:380: file-write-access?
	launch.scm:381: get-df
	common.scm:159: conc
	common.scm:159: cmd-run->list
	process.scm:78: open-input-pipe	  	<--
</verbatim>