diff --git a/Makefile b/Makefile
index 5cb4b83..f47d81e 100644
--- a/Makefile
+++ b/Makefile
@@ -100,7 +100,8 @@ define Package/wifibox/install
 	
 	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/d3d-updater.lua $(1)/$(TGT_LUA_DIR_SUFFIX)/script
 	$(LN) -s /$(TGT_LUA_DIR_SUFFIX)/script/d3d-updater.lua $(1)/bin/d3d-updater
-	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/wifibox_init $(1)/etc/init.d/wifibox  # copy directly to init dir (required for post-inst enabling)
+	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/wifibox_init $(1)/etc/init.d/wifibox
+	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/dhcpcheck_init $(1)/etc/init.d/dhcpcheck
 	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/d3dapi $(1)/$(TGT_LUA_DIR_SUFFIX)/script
 	$(INSTALL_BIN) $(WIFIBOX_BASE_DIR)/script/signin.sh $(1)/$(TGT_LUA_DIR_SUFFIX)/script
 	
diff --git a/README.md b/README.md
index 4e39e7c..b96cfa0 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 WiFi box OpenWRT firmware package
 =================================
 
-General documentation can be found on the wiki: <http://doodle3d.com/wiki>. Source code documentation can be generated, see below.
+General documentation can be found on the wiki: <http://doodle3d.com/help/wiki>. Source code documentation can be generated, see below.
 
 Documentation
 -------------
diff --git a/post-install.sh b/post-install.sh
index 6bf66ca..2ece974 100644
--- a/post-install.sh
+++ b/post-install.sh
@@ -74,6 +74,7 @@ echo "/root/sketches" >> /etc/sysupgrade.conf
 
 $IPKG_INSTROOT/etc/init.d/wifibox enable
 $IPKG_INSTROOT/etc/init.d/wifibox start
+$IPKG_INSTROOT/etc/init.d/dhcpcheck enable
 
 if [ -z "$IPKG_INSTROOT" ]; then
 	echo "Enabling wifi device..."
diff --git a/src/FIRMWARE-VERSION b/src/FIRMWARE-VERSION
index 56f3151..8225a4b 100644
--- a/src/FIRMWARE-VERSION
+++ b/src/FIRMWARE-VERSION
@@ -1 +1 @@
-0.9.10
+0.9.11
diff --git a/src/rest/api/api_info.lua b/src/rest/api/api_info.lua
index 6645064..d4d9831 100644
--- a/src/rest/api/api_info.lua
+++ b/src/rest/api/api_info.lua
@@ -12,7 +12,18 @@ local LOG_COLLECT_DIRNAME = 'wifibox-logs'
 local LOG_COLLECT_DIR = TMP_DIR .. '/' .. LOG_COLLECT_DIRNAME
 local WIFIBOX_LOG_FILENAME = 'wifibox.log'
 local WIFIBOX_LOG_FILE = TMP_DIR .. '/' .. WIFIBOX_LOG_FILENAME
+
 local SYSLOG_FILENAME = 'syslog'
+local PROCESS_LIST_FILENAME = 'processes'
+local MEMINFO_FILENAME = 'meminfo'
+local MOUNTS_FILENAME = 'mounts'
+local DISKFREE_FILENAME = 'diskfree'
+
+local UCI_CONFIG_FILES_TO_SAVE = { 'dhcp', 'firewall', 'network', 'system', 'wifibox', 'wireless' }
+
+local USB_DIRTREE_COMMAND = "ls -R /sys/devices/platform/ehci-platform/usb1 | grep \":$\" | sed -e 's/:$//' -e 's/[^-][^\\/]*\\//--/g' -e 's/^/   /' -e 's/-/|/'"
+local USB_DIRTREE_FILENAME = 'sys_devices_platform_ehci-platform_usb1.tree'
+
 local PRINT3D_BASEPATH = '/tmp'
 local PRINT3D_LOG_FILENAME_PREFIX = 'print3d-'
 local PRINT3D_LOG_FILENAME_SUFFIX = '.log'
@@ -33,30 +44,62 @@ end
 
 -- TODO: redirect stdout+stderr; handle errors
 function M.logfiles(request, response)
-	local rv,msg = lfs.mkdir(LOG_COLLECT_DIR)
-	local rv,msg = lfs.chdir(TMP_DIR)
+	local rv,sig,code,msg = nil,nil,nil,nil
+
+	rv,msg = lfs.mkdir(LOG_COLLECT_DIR)
+	rv,msg = lfs.chdir(TMP_DIR)
 
 
 	--[[ create temporary files ]]--
 
-	local rv,sig,code = redirectedExecute('cp ' .. WIFIBOX_LOG_FILE .. ' ' .. LOG_COLLECT_DIR)
+	-- copy wifibox API-script log
+	rv,sig,code = redirectedExecute('cp ' .. WIFIBOX_LOG_FILE .. ' ' .. LOG_COLLECT_DIR)
 
-	local rv,sig,code = os.execute('logread > ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
+	-- capture syslog
+	rv,sig,code = os.execute('logread > ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
 
+	-- capture running processes
+	rv,sig,code = os.execute('ps -w > ' .. LOG_COLLECT_DIR .. '/' .. PROCESS_LIST_FILENAME)
+
+	-- capture info on RAM memory
+	rv,sig,code = os.execute('cat /proc/meminfo > ' .. LOG_COLLECT_DIR .. '/' .. MEMINFO_FILENAME)
+
+	-- capture info on mounted file systems
+	rv,sig,code = os.execute('mount > ' .. LOG_COLLECT_DIR .. '/' .. MOUNTS_FILENAME)
+
+	-- capture info on free disk space
+	rv,sig,code = os.execute('df -h > ' .. LOG_COLLECT_DIR .. '/' .. DISKFREE_FILENAME)
+
+	-- list directory structure for primary USB controller
+	rv,sig,code = os.execute(USB_DIRTREE_COMMAND .. ' > ' .. LOG_COLLECT_DIR .. '/' .. USB_DIRTREE_FILENAME)
+
+	-- copy relevant openwrt configuration files
+	rv,msg = lfs.mkdir(LOG_COLLECT_DIR .. '/config')
+	for _,v in pairs(UCI_CONFIG_FILES_TO_SAVE) do
+		local srcFile = '/etc/config/' .. v
+		local tgtFile = LOG_COLLECT_DIR .. '/config/' .. v
+		if v ~= 'wireless' then
+			rv,sig,code = redirectedExecute('cp ' .. srcFile .. ' ' .. tgtFile)
+		else
+			rv,sig,code = os.execute("sed \"s/option key '.*'/option key '...'/g\" " .. srcFile .. " > " .. tgtFile)
+		end
+	end
+
+	-- collect and copy print3d server logs
 	for file in lfs.dir(PRINT3D_BASEPATH) do
 		if file:find(PRINT3D_LOG_FILENAME_PREFIX) == 1 and file:find(PRINT3D_LOG_FILENAME_SUFFIX) ~= nil then
 			local srcLogFile = PRINT3D_BASEPATH .. '/' .. file
 			local tgtLogFile = LOG_COLLECT_DIR .. '/' .. file
-				local rv,sig,code = redirectedExecute('cp ' .. srcLogFile .. ' ' .. tgtLogFile)
+			rv,sig,code = redirectedExecute('cp ' .. srcLogFile .. ' ' .. tgtLogFile)
 			end
 		end
 
-	local rv,sig,code = redirectedExecute('tar czf ' .. LOG_COLLECT_ARCHIVE_FILE .. ' ' .. LOG_COLLECT_DIRNAME) --returns 0 success, 1 error
+	rv,sig,code = redirectedExecute('tar czf ' .. LOG_COLLECT_ARCHIVE_FILE .. ' ' .. LOG_COLLECT_DIRNAME) --returns 0 success, 1 error
 
 
 	--[[ add response content ]]--
 
-	local rv,msg = response:setBinaryFileData(LOG_COLLECT_ARCHIVE_FILE, LOG_COLLECT_ARCHIVE_FILENAME, 'application/x-compressed')
+	rv,msg = response:setBinaryFileData(LOG_COLLECT_ARCHIVE_FILE, LOG_COLLECT_ARCHIVE_FILENAME, 'application/x-compressed')
 	if not rv then
 		response:setError("could not set binary data from file '" .. LOG_COLLECT_ARCHIVE_FILE .. "' (" .. msg .. ")")
 	else
@@ -69,17 +112,24 @@ function M.logfiles(request, response)
 	for file in lfs.dir(LOG_COLLECT_DIR) do
 		if file:find(PRINT3D_LOG_FILENAME_PREFIX) == 1 and file:find(PRINT3D_LOG_FILENAME_SUFFIX) ~= nil then
 			local tgtLogFile = LOG_COLLECT_DIR .. '/' .. file
-			local rv,sig,code = redirectedExecute('rm ' .. tgtLogFile)
+			rv,sig,code = redirectedExecute('rm ' .. tgtLogFile)
 		end
 	end
 
-	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. WIFIBOX_LOG_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/config/*')
+	rv,msg = lfs.rmdir(LOG_COLLECT_DIR .. '/config')
 
-	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. USB_DIRTREE_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. DISKFREE_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. MOUNTS_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. MEMINFO_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. PROCESS_LIST_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. SYSLOG_FILENAME)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_DIR .. '/' .. WIFIBOX_LOG_FILENAME)
 
-	local rv,msg = lfs.rmdir(LOG_COLLECT_DIR)
+	rv,msg = lfs.rmdir(LOG_COLLECT_DIR)
 
-	local rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_ARCHIVE_FILE)
+	rv,sig,code = redirectedExecute('rm ' .. LOG_COLLECT_ARCHIVE_FILE)
 end
 
 function M.access(request, response)
diff --git a/src/rest/api/api_sketch.lua b/src/rest/api/api_sketch.lua
index 19725cc..b4ee73b 100644
--- a/src/rest/api/api_sketch.lua
+++ b/src/rest/api/api_sketch.lua
@@ -43,7 +43,7 @@ local function createSketchList()
 
 	for item in lfs.dir(M.SKETCH_DIR) do
 		if item ~= '.' and item ~= '..' then
-			local idx = item:match('^(%d+)\.sketch$')
+			local idx = item:match('^(%d+)\.'..SKETCH_FILE_EXTENSION..'$')
 			if idx and idx:len() == NUMBER_PAD_WIDTH then
 				table.insert(result, tonumber(idx))
 			end
diff --git a/src/script/dhcpcheck_init b/src/script/dhcpcheck_init
new file mode 100755
index 0000000..11b05c5
--- /dev/null
+++ b/src/script/dhcpcheck_init
@@ -0,0 +1,16 @@
+#!/bin/sh /etc/rc.common
+
+# start after all other scripts
+START=99
+
+LOGGER="logger -t dhcpcheck -p 6"
+
+boot() {
+	logread | grep "192.168.10.249, lease time 12h"
+	if [ $? -ne 0 ]; then
+		$LOGGER "Applying workaround for dhcp/dnsmasq issue. See: https://github.com/Doodle3D/doodle3d-client/issues/66"
+		/etc/init.d/dnsmasq reload
+	else
+		$LOGGER "DHCP configuration is in order, not doing anything"
+	fi
+}
diff --git a/src/script/wifibox_init b/src/script/wifibox_init
index 9499b85..81f9f81 100755
--- a/src/script/wifibox_init
+++ b/src/script/wifibox_init
@@ -3,7 +3,7 @@
 # start after networking
 START=22
 
-LOGGER="logger -s -t autowifi -p 6"
+LOGGER="logger -t autowifi -p 6"
 
 boot() {
 	sleep 1