Index: Makefile
==================================================================
--- Makefile
+++ Makefile
@@ -26,13 +26,13 @@
 
 SHELL=/bin/bash
 PREFIX=$(PWD)
 CSCOPTS=
 INSTALL=install
-SRCFILES = common.scm items.scm launch.scm ods.scm runconfig.scm	\
-           server.scm configf.scm db.scm keys.scm		\
-           process.scm runs.scm tests.scm genexample.scm	\
+SRCFILES = common.scm launch.scm runconfig.scm	\
+           server.scm configf.scm keys.scm		\
+           process.scm runs.scm genexample.scm	\
            tdb.scm mt.scm	\
            ezsteps.scm api.scm		\
            subrun.scm archive.scm env.scm		\
            diff-report.scm
 
@@ -159,16 +159,14 @@
 # 	cgisetup/models/pgdb.o \
 # 	common.o \
 # 	configf.o \
 # 	db.o \
 # 	env.o \
-# 	items.o \
 # 	keys.o \
 # 	launch.o \
 # 	margs.o \
 # 	mt.o \
-# 	ods.o \
 # 	process.o \
 # 	rmt.o \
 # 	runconfig.o \
 # 	runs.o \
 # 	server.o \
@@ -229,11 +227,11 @@
 # 	make $(MOIMPFILES)
 # 	touch mofiles-made
 
 megatest.o : megatest-fossil-hash.scm megatest-version.scm $(MOFILES) $(MOIMPFILES)
 
-rmt.scm common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm db.scm dcommon.scm ezsteps.scm index-tree.scm items.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tests.scm tree.scm : common_records.scm megatest-version.scm
+common.scm configf.scm dashboard-guimonitor.scm dashboard-tests.scm dashboard.scm dcommon.scm ezsteps.scm index-tree.scm keys.scm launch.scm megatest.scm monitor.scm mt.scm newdashboard.scm runconfig.scm runs.scm server.scm tdb.scm tree.scm : common_records.scm megatest-version.scm
 
 common_records.scm : altdb.scm
 
 mofiles/dbfile.o : mofiles/commonmod.o
 
@@ -536,13 +534,20 @@
 
 # portlogger-example : portlogger-example.scm api.o archive.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o synchash.o tasks.o tdb.o tests.o tree.o
 #	csc $(CSCOPTS) portlogger-example.scm api.o archive.o common.o configf.o dashboard-tests.o dashboard-context-menu.o db.o dcommon.o ezsteps.o genexample.o gutils.o items.o keys.o launch.o lock-queue.o margs.o mt.o ods.o portlogger.o process.o rmt.o runconfig.o runs.o server.o sync-hash.o tasks.o tdb.o tests.o tree.o
 
 unitdeps.dot : *scm ./utils/plot-uses Makefile
-	./utils/plot-uses todot commonmod.import,mtargs.import,mtargs,debugprint *.scm > unitdeps.dot
+	./utils/plot-uses todot commonmod.import,mtargs.import,mtargs,debugprint $$(ls *.scm|grep -v import) > unitdeps.dot
 
 # ./utils/plot-uses todot commonmod,portlogger,stml2,debugprint,mtargs apimod.scm commonmod.scm configfmod.scm dbmod.scm megatestmod.scm mtmod.scm processmod.scm rmtmod.scm servermod.scm tcp-transportmod.scm > uses.dot ; dot uses.dot -Tpdf -o uses.pdf
+
+#  apimod.scm commonmod.scm configfmod.scm dbmod.scm megatestmod.scm mtmod.scm processmod.scm rmtmod.scm servermod.scm tcp-transportmod.scm testsmod.scm
+
+uses.pdf : *scm utils/plot-uses  Makefile
+	./utils/plot-uses todot portlogger,stml2,debugprint,mtargs *mod.scm launch.scm > uses-in.dot
+	tred uses-in.dot > uses.dot
+	dot uses.dot -Tpdf -o uses.pdf
 
 unitdeps.pdf : unitdeps.dot
 	dot unitdeps.dot -Tpdf -o unitdeps.pdf
 
 ./utils/plot-uses : utils/plot-uses.scm

Index: api.scm
==================================================================
--- api.scm
+++ api.scm
@@ -17,11 +17,10 @@
 ;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
 ;;
 ;;======================================================================
 
 (declare (unit api))
-(declare (uses db))
 (declare (uses apimod))
 
 (declare (uses debugprint))
 (declare (uses commonmod))
 (declare (uses dbmod))

Index: archive.scm
==================================================================
--- archive.scm
+++ archive.scm
@@ -17,11 +17,10 @@
 ;;
 
 ;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')
 
 (declare (unit archive))
-(declare (uses db))
 (declare (uses debugprint))
 (declare (uses mtargs))
 (declare (uses common))
 (declare (uses commonmod))
 (declare (uses configfmod))

Index: archivemod.scm
==================================================================
--- archivemod.scm
+++ archivemod.scm
@@ -236,17 +236,17 @@
         (rsync-exe (or (configf:lookup *configdat* "archive" "rsync") "rsync"))   
         (print-prefix      "Running: ") 
         (archive-info (archive:allocate-new-archive-block blockid-cache *toppath* tsname min-space target-patt run-patt "megatest-db"))
 	(archive-dir  (if archive-info (cdr archive-info) #f))
 	(archive-id   (if archive-info (car archive-info) -1))
-        (home-host    #f) ;; FIXME! (server:choose-server *toppath* 'homehost))
+        (home-host    (get-host-name)) ;; FIXME! (server:choose-server *toppath* 'homehost))
         (archive-time (seconds->std-time-str (current-seconds)))
         (archive-staging-db (conc *toppath* "/.db-snapshot/archive_" archive-time))
         (tmp-db-path (conc (dbfile:make-tmpdir-name *toppath* "") "/megatest.db"))
         (dbfile             (conc  archive-staging-db "/megatest.db"))) 
         (create-directory archive-staging-db #t)
-        (let-values (((pid-val exit-status exit-code) (run-n-wait rsync-exe params: (list "-v" (conc (car home-host) ":"tmp-db-path) archive-staging-db) print-cmd: print-prefix)))
+        (let-values (((pid-val exit-status exit-code) (run-n-wait rsync-exe params: (list "-v" (conc home-host ":"tmp-db-path) archive-staging-db) print-cmd: print-prefix)))
             (if (eq? exit-code 0)   
               (case archiver
 	        ((bup) ;; Archive using bup
 	          (let* ((bup-init-params  (list "-d" archive-dir "init"))
 		         (bup-index-params (list "-d" archive-dir "index" archive-staging-db))

Index: dashboard-context-menu.scm
==================================================================
--- dashboard-context-menu.scm
+++ dashboard-context-menu.scm
@@ -25,19 +25,19 @@
 
 (declare (unit dashboard-context-menu))
 (declare (uses common))
 (declare (uses commonmod))
 (declare (uses configfmod))
-(declare (uses db))
 (declare (uses gutils))
 (declare (uses rmtmod))
 (declare (uses ezsteps))
 ;; (declare (uses sdb))
 ;; (declare (uses filedb))
 (declare (uses subrun))
 (declare (uses testsmod))
 (declare (uses subrunmod))
+(declare (uses megatestmod))
 
 (use format fmt)
 (require-library iup)
 (import (prefix iup iup:))
 
@@ -53,11 +53,13 @@
 (import commonmod
 	configfmod
 	rmtmod
 	testsmod
 	subrunmod
-	debugprint)
+	debugprint
+        megatestmod
+        )
 
 (define (dboard:launch-testpanel run-id test-id)
   (let* ((dboardexe (common:find-local-megatest "dashboard"))
          (cmd (conc dboardexe
                     " -test " run-id "," test-id

Index: dashboard-guimonitor.scm
==================================================================
--- dashboard-guimonitor.scm
+++ dashboard-guimonitor.scm
@@ -32,11 +32,10 @@
 (import (prefix sqlite3 sqlite3:))
 
 (declare (unit dashboard-guimonitor))
 (declare (uses common))
 (declare (uses keys))
-(declare (uses db))
 (declare (uses commonmod))
 (import commonmod)
 
 (include "common_records.scm")
 (include "db_records.scm")

Index: dashboard-tests.scm
==================================================================
--- dashboard-tests.scm
+++ dashboard-tests.scm
@@ -34,11 +34,10 @@
 (declare (uses tasksmod))
 (declare (uses testsmod))
 
 (declare (uses dcommon))
 (declare (uses gutils))
-(declare (uses db))
 (declare (uses ezsteps))
 (declare (uses subrun))
 (declare (uses runsmod))
 (declare (uses subrunmod))
 

Index: dashboard-transport-mode.scm
==================================================================
--- dashboard-transport-mode.scm
+++ dashboard-transport-mode.scm
@@ -15,8 +15,8 @@
 ;; (rmt:transport-mode 'nfs)
 
 ;; uncomment this block to test with tcp and cachedb
 (dbfile:sync-method 'none) ;; original was causing crash on start. 
 (dbfile:cache-method 'none)
-(rmt:transport-mode 'nfs)
-
+(rmt:transport-mode 'tcp)
+;; (rmt:transport-mode 'nfs)
 

Index: dashboard.scm
==================================================================
--- dashboard.scm
+++ dashboard.scm
@@ -68,12 +68,11 @@
 (declare (uses launchmod.import))
 
 (declare (uses configf))
 (declare (uses common))
 (declare (uses keys))
-(declare (uses items))
-(declare (uses db))
+
 (declare (uses process))
 (declare (uses launch))
 (declare (uses runs))
 (declare (uses dashboard-tests))
 (declare (uses tree))

DELETED db.scm
Index: db.scm
==================================================================
--- db.scm
+++ /dev/null
@@ -1,70 +0,0 @@
-;;======================================================================
-;; Copyright 2006-2016, Matthew Welland.
-;; 
-;; This file is part of Megatest.
-;; 
-;;     Megatest is free software: you can redistribute it and/or modify
-;;     it under the terms of the GNU General Public License as published by
-;;     the Free Software Foundation, either version 3 of the License, or
-;;     (at your option) any later version.
-;; 
-;;     Megatest is distributed in the hope that it will be useful,
-;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;     GNU General Public License for more details.
-;; 
-;;     You should have received a copy of the GNU General Public License
-;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
-;;
-;;======================================================================
-
-;;======================================================================
-;; Database access
-;;======================================================================
-
-;; dbstruct vector containing all the relevant dbs like main.db, megatest.db, run.db etc
-
-(declare (unit db))
-(declare (uses common))
-(declare (uses debugprint))
-(declare (uses dbmod))
-(declare (uses dbfile))
-(declare (uses keys))
-(declare (uses ods))
-(declare (uses mt))
-(declare (uses commonmod))
-(declare (uses configfmod))
-(declare (uses mtargs))
-(declare (uses rmtmod))
-
-(import commonmod
-	configfmod
-	(prefix mtargs args:))
-
-(use (srfi 18)
-     extras
-     ;; tcp
-     stack
-     (prefix sqlite3 sqlite3:)
-     srfi-1
-     posix
-     regex
-     regex-case
-     srfi-69
-     csv-xml
-     s11n
-     md5
-     message-digest
-     (prefix base64 base64:)
-     format
-     dot-locking
-     z3
-     typed-records
-     matchable
-     files)
-
-(import debugprint)
-(import dbfile)
-(import dbmod)
-(import rmtmod)
-

Index: db_records.scm
==================================================================
--- db_records.scm
+++ db_records.scm
@@ -175,19 +175,19 @@
 (define (tdb:step-stable-set-start!     vec val)(vector-set! vec 1 val))
 (define (tdb:step-stable-set-end!       vec val)(vector-set! vec 2 val))
 (define (tdb:step-stable-set-status!    vec val)(vector-set! vec 3 val))
 (define (tdb:step-stable-set-runtime!   vec val)(vector-set! vec 4 val))
 
-;; The data structure for handing off requests via wire
-(define (make-cdb:packet)(make-vector 6))
-(define (cdb:packet-get-client-sig   vec)    (vector-ref  vec 0))
-(define (cdb:packet-get-qtype        vec)    (vector-ref  vec 1))
-(define (cdb:packet-get-immediate    vec)    (vector-ref  vec 2))
-(define (cdb:packet-get-query-sig    vec)    (vector-ref  vec 3))
-(define (cdb:packet-get-params       vec)    (vector-ref  vec 4))
-(define (cdb:packet-get-qtime        vec)    (vector-ref  vec 5))
-(define (cdb:packet-set-client-sig!  vec val)(vector-set! vec 0 val))
-(define (cdb:packet-set-qtype!       vec val)(vector-set! vec 1 val))
-(define (cdb:packet-set-immediate!   vec val)(vector-set! vec 2 val))
-(define (cdb:packet-set-query-sig!   vec val)(vector-set! vec 3 val))
-(define (cdb:packet-set-params!      vec val)(vector-set! vec 4 val))
-(define (cdb:packet-set-qtime!       vec val)(vector-set! vec 5 val))
+;; ;; The data structure for handing off requests via wire
+;; (define (make-cdb:packet)(make-vector 6))
+;; (define (cdb:packet-get-client-sig   vec)    (vector-ref  vec 0))
+;; (define (cdb:packet-get-qtype        vec)    (vector-ref  vec 1))
+;; (define (cdb:packet-get-immediate    vec)    (vector-ref  vec 2))
+;; (define (cdb:packet-get-query-sig    vec)    (vector-ref  vec 3))
+;; (define (cdb:packet-get-params       vec)    (vector-ref  vec 4))
+;; (define (cdb:packet-get-qtime        vec)    (vector-ref  vec 5))
+;; (define (cdb:packet-set-client-sig!  vec val)(vector-set! vec 0 val))
+;; (define (cdb:packet-set-qtype!       vec val)(vector-set! vec 1 val))
+;; (define (cdb:packet-set-immediate!   vec val)(vector-set! vec 2 val))
+;; (define (cdb:packet-set-query-sig!   vec val)(vector-set! vec 3 val))
+;; (define (cdb:packet-set-params!      vec val)(vector-set! vec 4 val))
+;; (define (cdb:packet-set-qtime!       vec val)(vector-set! vec 5 val))

Index: dbmod.scm
==================================================================
--- dbmod.scm
+++ dbmod.scm
@@ -936,28 +936,10 @@
 ;;     ((http)(dbfile:with-db dbstruct run-id r/w proc params))
 ;;     ((tcp) (dbmod:with-db dbstruct run-id r/w proc params))
 ;;     ((nfs) (dbmod:with-db dbstruct run-id r/w proc params))
 ;;     (else (assert #f "FATAL: db:with-db called with non-existant transport mode"))))
 
-;;======================================================================
-;; hash of hashs
-;;======================================================================
-
-
-(define (db:hoh-set! dat key1 key2 val)
-  (let* ((subhash (hash-table-ref/default dat key1 #f)))
-    (if subhash
-	(hash-table-set! subhash key2 val)
-	(begin
-	  (hash-table-set! dat key1 (make-hash-table))
-	  (db:hoh-set! dat key1 key2 val)))))
-
-(define (db:hoh-get dat key1 key2)
-  (let* ((subhash (hash-table-ref/default dat key1 #f)))
-    (and subhash
-	 (hash-table-ref/default subhash key2 #f))))
-
 ;;======================================================================
 ;; SQLITE3 HELPERS
 ;;======================================================================
 
 (define (db:general-sqlite-error-dump exn stmt . params)

Index: dcommon.scm
==================================================================
--- dcommon.scm
+++ dcommon.scm
@@ -19,11 +19,10 @@
 ;;======================================================================
 
 (declare (unit dcommon))
 
 (declare (uses gutils))
-(declare (uses db))
 (declare (uses dbmod))
 (declare (uses commonmod))
 (declare (uses configfmod))
 (declare (uses rmtmod))
 (declare (uses testsmod))

Index: docs/manual/debugging.txt
==================================================================
--- docs/manual/debugging.txt
+++ docs/manual/debugging.txt
@@ -22,11 +22,11 @@
 ~~~~~~~~~~~~~~~~~~
 
 Test Design and Surfacing Errors
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Design your tests to surface errors. Ensure that all logs are
+Design your tests to bring errors to the surface. Ensure all logs are
 processed by logpro (or a custom log processing tool) and can be
 reached by a mouse click or two from the test control panel.
 
 To illustrate, here is a set of scripts with nested calls where script1.sh calls script2.sh which calls script3.sh which finally calls the Cadence EDA tool virtuoso:
 

Index: ezsteps.scm
==================================================================
--- ezsteps.scm
+++ ezsteps.scm
@@ -18,16 +18,15 @@
 ;;
 
 ;;  strftime('%m/%d/%Y %H:%M:%S','now','localtime')
 
 (declare (unit ezsteps))
-(declare (uses db))
 (declare (uses commonmod))
 (declare (uses common))
 (declare (uses configfmod))
 (declare (uses debugprint))
-(declare (uses items))
+
 (declare (uses runconfig))
 (declare (uses rmtmod))
 (declare (uses mtargs))
 (declare (uses tasksmod))
 

DELETED items.scm
Index: items.scm
==================================================================
--- items.scm
+++ /dev/null
@@ -1,34 +0,0 @@
-
-;; Copyright 2006-2012, Matthew Welland.
-;; 
-;; This file is part of Megatest.
-;; 
-;;     Megatest is free software: you can redistribute it and/or modify
-;;     it under the terms of the GNU General Public License as published by
-;;     the Free Software Foundation, either version 3 of the License, or
-;;     (at your option) any later version.
-;; 
-;;     Megatest is distributed in the hope that it will be useful,
-;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;     GNU General Public License for more details.
-;; 
-;;     You should have received a copy of the GNU General Public License
-;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
-
-
-;; (define itemdat '((ripeness    "green ripe overripe")
-;; 		     (temperature "cool medium hot")
-;; 		     (season      "summer winter fall spring")))
-
-(declare (unit items))
-(declare (uses common))
-(declare (uses commonmod))
-(declare (uses configfmod))
-(declare (uses debugprint))
-
-(import commonmod
-	configfmod
-	debugprint)
-
-(include "common_records.scm")

Index: launch.scm
==================================================================
--- launch.scm
+++ launch.scm
@@ -27,11 +27,10 @@
 (declare (uses debugprint))
 (declare (uses commonmod))
 (declare (uses processmod))
 (declare (uses configfmod))
 (declare (uses configf))
-(declare (uses db))
 (declare (uses rmtmod))
 (declare (uses ezsteps))
 ;; (declare (uses dbmod))
 (declare (uses dbfile))
 (declare (uses dbmod))

Index: launchmod.scm
==================================================================
--- launchmod.scm
+++ launchmod.scm
@@ -1065,98 +1065,10 @@
 	     ;; call end of eud of run detection for posthook - from merge, is it needed?
 	     ;; (launch:end-of-run-check run-id)
 	     all-ids)
 	    )))))
 
-;; set up needed environment variables given a run-id and optionally a target, itempath etc.
-;;
-(define (runs:set-megatest-env-vars run-id #!key (inkeys #f)(inrunname #f)(inkeyvals #f)(intarget #f)(testname #f)(itempath #f))
-  ;;(bb-check-path msg: "runs:set-megatest-env-vars entry")
-  (let* ((target    (or intarget 
-			(common:args-get-target)
-			(get-environment-variable "MT_TARGET")))
-	 (keys      (if inkeys    inkeys    (rmt:get-keys)))
-	 (keyvals   (if inkeyvals inkeyvals (keys:target->keyval keys target)))
-	 (vals      (hash-table-ref/default *env-vars-by-run-id* run-id #f))
-	 (link-tree (common:get-linktree))) ;; (configf:lookup *configdat* "setup" "linktree")))
-    (if testname (setenv "MT_TEST_NAME" testname))
-    (if itempath (setenv "MT_ITEMPATH"  itempath))
-
-    ;; get the info from the db and put it in the cache
-    (if link-tree
-	(setenv "MT_LINKTREE" link-tree)
-	(debug:print-error 0 *default-log-port* "linktree not set, should be set in megatest.config in [setup] section."))
-    (if (not vals)
-	(let ((ht (make-hash-table)))
-	  (hash-table-set! *env-vars-by-run-id* run-id ht)
-	  (set! vals ht)
-	  (for-each
-	   (lambda (key)
-	     (hash-table-set! vals (car key) (cadr key)))
-	   keyvals)))
-    ;; from the cached data set the vars
-    
-    (hash-table-for-each
-     vals
-     (lambda (key val)
-       (debug:print 2 *default-log-port* "setenv " key " " val)
-       (safe-setenv key val)))
-    ;;(bb-check-path msg: "runs:set-megatest-env-vars block 1")
-    ;;(BB> "*env-vars-by-run-id*/runid("run-id" vals="(hash-table->alist vals))
-
-    (if (not (get-environment-variable "MT_TARGET"))(setenv "MT_TARGET" target))
-    ;; we had a case where there was an exception generated by the hash-table-ref
-    ;; due to *configdat* being #f Adding a handle and exit
-    (let fatal-loop ((count 0)) 
-      (handle-exceptions
-	  exn
-	  (let ((call-chain (get-call-chain))
-		(msg        ((condition-property-accessor 'exn 'message) exn)))
-	    (if (< count 5)
-		(begin ;; this call is colliding, do some crude stuff to fix it.
-		  (debug:print 0 *default-log-port* "ERROR: *configdat* was inaccessible! This should never happen. Retry #" count
-			       ", exn=" exn)
-		  (launch:setup force-reread: #t)
-		  (fatal-loop (+ count 1))) 
-		(begin
-		  (debug:print 0 *default-log-port* "FATAL: *configdat* was inaccessible! This should never happen. Retried " count
-			       " times. Message: " msg)
-		  (debug:print 0 *default-log-port* "Call chain:")
-		  (with-output-to-port *default-log-port*
-		    (lambda ()
-		      (print "*configdat* is >>"*configdat*"<<")
-                      (pp *configdat*)
-                      (pp call-chain)))
-                  
-		  (exit 1))))
-          ;;(bb-check-path msg: "runs:set-megatest-env-vars block 1.5")
-          (when (or (not *configdat*) (not (hash-table? *configdat*)))
-              (debug:print 0 *default-log-port* "WARNING: *configdat* was inaccessible! This should never happen.  Brute force reread.")
-              ;;(BB> "ERROR: *configdat* was inaccessible! This should never happen.  Brute force reread.")
-              (thread-sleep! 2) ;; assuming nfs lag.
-              (launch:setup force-reread: #t))
-          (alist->env-vars (hash-table-ref/default *configdat* "env-override" '())))) ;;;; environment is tainted HERE in this let block.
-    ;;(bb-check-path msg: "runs:set-megatest-env-vars block 2")
-    ;; Lets use this as an opportunity to put MT_RUNNAME in the environment
-    (let ((runname  (if inrunname inrunname (rmt:get-run-name-from-id run-id))))
-      (if runname
-	  (setenv "MT_RUNNAME" runname)
-	  (debug:print-error 0 *default-log-port* "no value for runname for id " run-id)))
-    (setenv "MT_RUN_AREA_HOME" *toppath*)
-    ;; if a testname and itempath are available set the remaining appropriate variables
-    (if testname (setenv "MT_TEST_NAME" testname))
-    (if itempath (setenv "MT_ITEMPATH"  itempath))
-    ;;(bb-check-path msg: "runs:set-megatest-env-vars block 3")
-    (if (and testname link-tree)
-	(setenv "MT_TEST_RUN_DIR" (conc (getenv "MT_LINKTREE")  "/"
-					(getenv "MT_TARGET")    "/"
-					(getenv "MT_RUNNAME")   "/"
-					(getenv "MT_TEST_NAME")
-					(if (and itempath
-						 (not (equal? itempath "")))
-					    (conc "/" itempath)
-					    ""))))))
 
 ;; TODO: deprecate me in favor of ezsteps.scm
 ;;
 (define (ezsteps:runstep ezstep run-id test-id exit-info m tal testconfig all-steps-dat)
   (let* ((stepname       (car ezstep))  ;; do stuff to run the step

Index: megatest-version.scm
==================================================================
--- megatest-version.scm
+++ megatest-version.scm
@@ -18,6 +18,6 @@
 ;; Always use two or four digit decimal
 ;; 1.01, 1.02...1.10,1.11,1.1101 ... 1.99,2.00..
 
 ;; (declare (unit megatest-version))
 
-(define megatest-version 1.8028)
+(define megatest-version 1.9001)

Index: megatest.scm
==================================================================
--- megatest.scm
+++ megatest.scm
@@ -75,25 +75,21 @@
 (declare (uses cpumod.import))
 (declare (uses runsmod))
 (declare (uses ezstepsmod))
 (declare (uses launchmod))
 
-
 (declare (uses tdb))
 (declare (uses mt))
 (declare (uses api))
 (declare (uses env))
 (declare (uses diff-report))
-(declare (uses db))
 (declare (uses runs))
 (declare (uses launch))
 (declare (uses server))
-(declare (uses tests))
 (declare (uses genexample))
 ;; (declare (uses daemon))
 
-(declare (uses db))
 ;; (declare (uses dcommon))
 
 ;; (declare (uses debugprint))
 ;; (declare (uses debugprint.import))
 

Index: monitor.scm
==================================================================
--- monitor.scm
+++ monitor.scm
@@ -19,13 +19,12 @@
 
 (use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking)
 (import (prefix sqlite3 sqlite3:))
 
 (declare (unit runs))
-(declare (uses db))
 (declare (uses common))
-(declare (uses items))
+
 (declare (uses runconfig))
 (declare (uses commonmod))
 (import commonmod)
 
 (include "common_records.scm")

Index: mt.scm
==================================================================
--- mt.scm
+++ mt.scm
@@ -22,17 +22,15 @@
 
 (import (prefix sqlite3 sqlite3:))
 
 (declare (unit mt))
 (declare (uses debugprint))
-(declare (uses db))
 (declare (uses common))
 (declare (uses commonmod))
 (declare (uses configfmod))
-(declare (uses items))
+
 (declare (uses runconfig))
-(declare (uses tests))
 (declare (uses server))
 (declare (uses runs))
 (declare (uses rmtmod))
 (declare (uses megatestmod))
 

DELETED ods.scm
Index: ods.scm
==================================================================
--- ods.scm
+++ /dev/null
@@ -1,24 +0,0 @@
-;; Copyright 2011, Matthew Welland.
-;; 
-;; This file is part of Megatest.
-;; 
-;;     Megatest is free software: you can redistribute it and/or modify
-;;     it under the terms of the GNU General Public License as published by
-;;     the Free Software Foundation, either version 3 of the License, or
-;;     (at your option) any later version.
-;; 
-;;     Megatest is distributed in the hope that it will be useful,
-;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;     GNU General Public License for more details.
-;; 
-;;     You should have received a copy of the GNU General Public License
-;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
-;;
-
-(use csv-xml regex)
-(declare (unit ods))
-(declare (uses common))
-(declare (uses commonmod))
-(import commonmod)
-

DELETED rmtdb.scm
Index: rmtdb.scm
==================================================================
--- rmtdb.scm
+++ /dev/null
@@ -1,20 +0,0 @@
-;;======================================================================
-;; Copyright 2006-2013, Matthew Welland.
-;; 
-;; This file is part of Megatest.
-;; 
-;;     Megatest is free software: you can redistribute it and/or modify
-;;     it under the terms of the GNU General Public License as published by
-;;     the Free Software Foundation, either version 3 of the License, or
-;;     (at your option) any later version.
-;; 
-;;     Megatest is distributed in the hope that it will be useful,
-;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;     GNU General Public License for more details.
-;; 
-;;     You should have received a copy of the GNU General Public License
-;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
-
-;;======================================================================
-

Index: rmtmod.scm
==================================================================
--- rmtmod.scm
+++ rmtmod.scm
@@ -249,12 +249,17 @@
 (define (rmt:send-receive cmd run-id params #!key (attemptnum 1)(ttdat #f))
   (assert (or (not run-id) (number? run-id)) "FATAL: run-id is required to be a number or #f")
   (assert *toppath* "FATAL: rmt:send-receive called with *toppath* not set.")
   (let* ((areapath      *toppath*) ;; TODO - resolve from dbstruct to be compatible with multiple areas
 	 (readonly-mode (rmtmod:calc-ro-mode ttdat *toppath*))
-	 (testsuite     (common:get-testsuite-name)))
-    (case (rmt:transport-mode)
+	 (testsuite     (common:get-testsuite-name))
+	 (tmode         (if (rmt:on-homehost?) ;; use tmode instead of rmt:transport-mode to access /tmp db (to be implemented)
+			    (if (> (random 100) 80) ;; 20% of time
+				'tcp
+				'tmp) ;; this mode needs to be implemented
+			    (rmt:transport-mode))))
+    (case (rmt:transport-mode) ;; replace with tmode
       ((tcp)
        (let* ((start-time    (current-seconds)) ;; snapshot time so all use cases get same value
 	      (attemptnum    (+ 1 attemptnum))
 	      (mtexe         (common:find-local-megatest))
 	      (dbfname       (conc (dbfile:run-id->dbnum run-id)".db"))
@@ -912,23 +917,11 @@
 (define (rmt:test-get-archive-block-info archive-block-id)
   (rmt:send-receive 'test-get-archive-block-info #f (list archive-block-id)))
 
 (define (rmtmod:calc-ro-mode runremote *toppath*)
   (case (rmt:transport-mode)
-    ((http)
-     (if (and runremote
-	      (remote-ro-mode-checked runremote))
-	 (remote-ro-mode runremote)
-	 (let* ((mtcfgfile  (conc *toppath* "/megatest.config"))
-		(ro-mode (not (file-write-access? mtcfgfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
-	   (if runremote
-	       (begin
-		 (remote-ro-mode-set! runremote ro-mode)
-		 (remote-ro-mode-checked-set! runremote #t)
-		 ro-mode)
-	       ro-mode))))
-    ((tcp)
+    ((tcp nfs)
      (if (and runremote
 	      (tt-ro-mode-checked runremote))
 	 (tt-ro-mode runremote)
 	 (let* ((mtcfgfile  (conc *toppath* "/megatest.config"))
 		(ro-mode (not (file-write-access? mtcfgfile)))) ;; TODO: use dbstruct or runremote to figure this out in future
@@ -935,11 +928,13 @@
 	   (if runremote
 	       (begin
 		 (tt-ro-mode-set! runremote ro-mode)
 		 (tt-ro-mode-checked-set! runremote #t)
 		 ro-mode)
-	       ro-mode))))))
+	       ro-mode))))
+    (else
+     (assert #f "FATAL: invalid rmt:transport-mode"))))
 
 
 ;;======================================================================
 ;;  S U P P O R T   F U N C T I O N S
 ;;======================================================================
@@ -1014,19 +1009,10 @@
 ;; Move me elsewhere ...
 ;; RADT => Why do we meed the version check here, this is called only if version misma
 ;;
 (define (common:cleanup-db dbstruct #!key (full #f))
   (case (rmt:transport-mode)
-    ((http)
-     (apply db:multi-db-sync 
-	    dbstruct
-	    'schema
-	    'killservers
-	    'adj-target
-	    'new2old
-	    '(dejunk)
-	    ))
     ((tcp nfs)
      (apply db:multi-db-sync 
 	    dbstruct
 	    'schema
 	    'killservers

Index: runs.scm
==================================================================
--- runs.scm
+++ runs.scm
@@ -29,15 +29,13 @@
 (declare (uses megatestmod))
 (declare (uses mtmod))
 (declare (uses tasksmod))
 (declare (uses servermod))
 
-(declare (uses db))
 (declare (uses common))
-(declare (uses items))
+
 (declare (uses runconfig))
-(declare (uses tests))
 (declare (uses server))
 (declare (uses mt))
 (declare (uses archive))
 
 (use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 

Index: server.scm
==================================================================
--- server.scm
+++ server.scm
@@ -17,11 +17,10 @@
 ;;
 
 (declare (unit server))
 
 (declare (uses common))
-(declare (uses db))
 (declare (uses debugprint))
 (declare (uses commonmod))
 (declare (uses configfmod))
 (declare (uses rmtmod))
 (declare (uses launch))

Index: stml2/stml2.scm
==================================================================
--- stml2/stml2.scm
+++ stml2/stml2.scm
@@ -1150,11 +1150,11 @@
 	    (if (and (not (null? alldats))
 		     (not (null? (car alldats)))
 		     (not (null? (caar alldats))))
 		(formdat:load formdat  (s:process-cgi-input (caaar alldats))))) ;; munged))
 	;;		    (format debugp "formdat : name: ~A content: ~A\n" name content)
-	(if debugp (close-output-port debugp))
+	;; (if debugp (close-output-port debugp))
 	;; (sdat-formdat-set! s:session formdat)
 	formdat))))
 		
 #|
 (define inp (open-input-file "tests/example.post.in"))

Index: subrun.scm
==================================================================
--- subrun.scm
+++ subrun.scm
@@ -24,11 +24,10 @@
 (declare (uses commonmod))
 (declare (uses configfmod))
 (declare (uses tasksmod))
 
 (declare (uses mt))
-(declare (uses db))
 (declare (uses common))
 
 (use (prefix sqlite3 sqlite3:) srfi-1 posix regex regex-case srfi-69 (srfi 18) 
      posix-extras directory-utils pathname-expand typed-records format
      call-with-environment-variables)

Index: tdb.scm
==================================================================
--- tdb.scm
+++ tdb.scm
@@ -24,13 +24,11 @@
 
 (declare (unit tdb))
 (declare (uses debugprint))
 (declare (uses common))
 (declare (uses keys))
-(declare (uses ods))
 (declare (uses mt))
-(declare (uses db))
 (declare (uses commonmod))
 (declare (uses mtargs))
 (declare (uses rmtmod))
 
 (require-extension (srfi 18) extras tcp)

DELETED tests.scm
Index: tests.scm
==================================================================
--- tests.scm
+++ /dev/null
@@ -1,52 +0,0 @@
-;;======================================================================
-;; Copyright 2006-2013, Matthew Welland.
-;; 
-;; This file is part of Megatest.
-;; 
-;;     Megatest is free software: you can redistribute it and/or modify
-;;     it under the terms of the GNU General Public License as published by
-;;     the Free Software Foundation, either version 3 of the License, or
-;;     (at your option) any later version.
-;; 
-;;     Megatest is distributed in the hope that it will be useful,
-;;     but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;     GNU General Public License for more details.
-;; 
-;;     You should have received a copy of the GNU General Public License
-;;     along with Megatest.  If not, see <http://www.gnu.org/licenses/>.
-;;
-;;======================================================================
-
-;;======================================================================
-;; Tests
-;;======================================================================
-
-(declare (unit tests))
-(declare (uses db))
-(declare (uses tdb))
-(declare (uses debugprint))
-(declare (uses common))
-(declare (uses commonmod))
-(declare (uses configf))
-(declare (uses configfmod))
-(declare (uses items))
-(declare (uses runconfig))
-(declare (uses server))
-(declare (uses mtargs))
-(declare (uses rmtmod))
-(declare (uses megatestmod))
-(declare (uses tasksmod))
-
-(use sqlite3 srfi-1 posix regex regex-case srfi-69 dot-locking directory-utils)
-(import (prefix sqlite3 sqlite3:))
-(import commonmod
-	configfmod
-	(prefix mtargs args:)
-	debugprint
-	rmtmod
-	megatestmod
-	tasksmod
-	)
-(require-library stml)
-

Index: tree.scm
==================================================================
--- tree.scm
+++ tree.scm
@@ -21,11 +21,10 @@
 (declare (unit tree))
 (declare (uses mtargs))
 (declare (uses debugprint))
 (declare (uses launch))
 (declare (uses gutils))
-(declare (uses db))
 (declare (uses server))
 (declare (uses dcommon))
 
 (use format)
 (require-library iup)