Instruments crashed on startup on the iPone 4S (works great on the iPhone5)

Test run smoothly on iPhone 5 (iOS 8.1.1) however on the iphone 4S running the same iOS it install the app & then crash with the below Log error.
Any idea what is the root cause & how it can be resolve?

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2014-12-04 12:42:20:280 - info: Welcome to Appium v1.3.3 (REV 34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78)

2014-12-04 12:42:20:283 - info: Appium REST http interface listener started on 127.0.0.1:4723
2014-12-04 12:42:20:286 - info: [debug] Non-default server args: {“address”:“127.0.0.1”,“sessionOverride”:true,“logTimestamp”:true,“defaultDevice”:true,“defaultCommandTimeout”:7200}
2014-12-04 12:42:20:287 - info: Console LogLevel: debug

2014-12-04 12:42:20:994 - info: --> GET /wd/hub/status {}

2014-12-04 12:42:20:997 - info: [debug] Responding to client with success: {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”}}}

2014-12-04 12:42:21:003 - info: <-- GET /wd/hub/status 200 8.588 ms - 104 {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”}}}

2014-12-04 12:42:28:635 - info: --> POST /wd/hub/session {“desiredCapabilities”:{“app”:"/Users/qa/Desktop/Appium/Pogoplug.app",“udid”:“c11dc0c522ced602d5f323bcf0607edd7e789319”,“platformName”:“iOS”,“deviceName”:“QA automation1”,“device”:“iPhone 4S”,“version”:“8.1.1”}}

2014-12-04 12:42:28:636 - info: Client User-Agent string: Apache-HttpClient/4.3.4 (java 1.5)

2014-12-04 12:42:28:637 - info: [debug] The following desired capabilities were provided, but not recognized by appium. They will be passed on to any other services running on this server. : device, version
2014-12-04 12:42:28:639 - info: [debug] Using local app from desired caps: /Users/qa/Desktop/Appium/Pogoplug.app
2014-12-04 12:42:28:640 - info: [debug] Creating new appium session e121acce-307a-49cd-bbdc-a3e81ab2cc9a

2014-12-04 12:42:28:643 - info: [debug] Removing any remaining instruments sockets

2014-12-04 12:42:28:644 - info: [debug] Cleaned up instruments socket /tmp/instruments_sock

2014-12-04 12:42:28:644 - info: [debug] Setting Xcode folder

2014-12-04 12:42:28:656 - info: [debug] Setting Xcode version

2014-12-04 12:42:28:739 - info: [debug] Setting iOS SDK Version

2014-12-04 12:42:28:807 - info: [debug] Getting sdk version from xcrun with a timeout

2014-12-04 12:42:28:817 - info: [debug] iOS SDK Version set to 8.1

2014-12-04 12:42:28:817 - info: [debug] Not checking whether simulator is available since we’re on a real device
2014-12-04 12:42:28:818 - info: [debug] Detecting automation tracetemplate

2014-12-04 12:42:28:823 - info: [debug] Not auto-detecting udid, running on sim

2014-12-04 12:42:28:842 - info: [debug] Parsed app Info.plist (as binary)

2014-12-04 12:42:28:842 - info: [debug] Parsed app Localizable.strings
2014-12-04 12:42:28:842 - info: [debug] Getting bundle ID from app

2014-12-04 12:42:28:846 - info: [debug] Parsed app Info.plist (as binary)
2014-12-04 12:42:28:846 - info: [debug] Creating instruments
2014-12-04 12:42:28:848 - info: On some xcode 6 platforms, instruments-without-delay does not work. If you experience this, you will need to re-run appium with the --native-instruments-lib flag
2014-12-04 12:42:28:848 - info: [debug] Preparing uiauto bootstrap
2014-12-04 12:42:28:848 - info: [debug] Dynamic bootstrap dir: /Users/qa/Library/Application Support/appium/bootstrap
2014-12-04 12:42:28:849 - info: [debug] Dynamic env: {“nodePath”:"/Applications/Appium.app/Contents/Resources/node/bin/node",“commandProxyClientPath”:"/Applications/Appium.app/Contents/Resources/node_modules/appium/node_modules/appium-uiauto/bin/command-proxy-client.js",“instrumentsSock”:"/tmp/instruments_sock",“interKeyDelay”:null,“justLoopInfinitely”:false,“autoAcceptAlerts”:false,“sendKeyStrategy”:“grouped”}

2014-12-04 12:42:28:861 - info: [debug] Dynamic bootstrap code: // This file is automatically generated. Do not manually modify!

2014-12-04 12:42:28:861 - info: [debug] Dynamic bootstrap path: /Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js

2014-12-04 12:42:28:867 - info: [debug] Reusing dynamic bootstrap: /Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js
2014-12-04 12:42:28:868 - info: [debug] Getting device string from opts: {“forceIphone”:false,“forceIpad”:false,“xcodeVersion”:“6.1”,“iOSSDKVersion”:“8.1”,“deviceName”:“QA automation1”,“platformVersion”:null}
2014-12-04 12:42:28:868 - info: [debug] fixDevice is on
2014-12-04 12:42:28:869 - info: [debug] Final device string is: ‘QA automation1 (8.1 Simulator)’
2014-12-04 12:42:28:869 - info: [debug] Not setting device type since we’re on a real device
2014-12-04 12:42:28:870 - info: [debug] Checking whether we need to set app preferences
2014-12-04 12:42:28:870 - info: [debug] Not setting iOS and app preferences since we’re on a real device
2014-12-04 12:42:28:870 - info: [debug] Running ios sim reset flow
2014-12-04 12:42:28:870 - info: [debug] Killing the simulator process
2014-12-04 12:42:28:871 - info: [debug] Killall iOS Simulator
2014-12-04 12:42:28:873 - info: [debug] Killing any other simulator daemons

2014-12-04 12:42:28:915 - info: [debug] On a real device; cannot clean device state

2014-12-04 12:42:28:916 - info: [debug] Not setting locale because we’re using a real device
2014-12-04 12:42:28:916 - info: [debug] No iOS / app preferences to set
2014-12-04 12:42:28:917 - info: [debug] Starting iOS device log capture via deviceconsole

2014-12-04 12:42:30:049 - info: [debug] Not pre-launching simulator

2014-12-04 12:42:30:049 - info: [debug] Creating iDevice object with udid c11dc0c522ced602d5f323bcf0607edd7e789319
2014-12-04 12:42:30:050 - info: [debug] Couldn’t find ideviceinstaller, trying built-in at /Applications/Appium.app/Contents/Resources/node_modules/appium/build/libimobiledevice-macosx/ideviceinstaller

2014-12-04 12:42:30:051 - info: [debug] Checking app install status using: /Applications/Appium.app/Contents/Resources/node_modules/appium/build/fruitstrap/fruitstrap isInstalled --id c11dc0c522ced602d5f323bcf0607edd7e789319 --bundle com.cloudengines.pogoplug

2014-12-04 12:42:31:089 - info: [debug] App is not installed. Will try to install the app.

2014-12-04 12:42:31:089 - info: [debug] Installing app using cmd: /Applications/Appium.app/Contents/Resources/node_modules/appium/build/fruitstrap/fruitstrap install --id c11dc0c522ced602d5f323bcf0607edd7e789319 --bundle “/Users/qa/Desktop/Appium/Pogoplug.app”

2014-12-04 12:42:32:025 - info: --> GET /wd/hub/status {}

2014-12-04 12:42:32:026 - info: [debug] Responding to client with success: {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”},“isShuttingDown”:false},“sessionId”:“e121acce-307a-49cd-bbdc-a3e81ab2cc9a”}
2014-12-04 12:42:32:029 - info: <-- GET /wd/hub/status 200 3.855 ms - 178 {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”},“isShuttingDown”:false},“sessionId”:“e121acce-307a-49cd-bbdc-a3e81ab2cc9a”}

2014-12-04 12:42:49:207 - info: [debug] Starting command proxy.

2014-12-04 12:42:49:209 - info: [debug] Instruments socket server started at /tmp/instruments_sock

2014-12-04 12:42:49:209 - info: [debug] Starting instruments
2014-12-04 12:42:49:232 - info: [debug] Instruments is at: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments
2014-12-04 12:42:49:233 - info: Launching instruments
2014-12-04 12:42:49:234 - info: [debug] Attempting to run app on real device with UDID c11dc0c522ced602d5f323bcf0607edd7e789319
2014-12-04 12:42:49:234 - info: [debug] Spawning instruments with command: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments -t /Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/PlugIns/AutomationInstrument.xrplugin/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w c11dc0c522ced602d5f323bcf0607edd7e789319 com.cloudengines.pogoplug -e UIASCRIPT “/Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js” -e UIARESULTSPATH /tmp/appium-instruments
2014-12-04 12:42:49:235 - info: [debug] And extra without-delay env: {}
2014-12-04 12:42:49:235 - info: [debug] And launch timeouts (in ms): {“global”:90000}

2014-12-04 12:42:51:205 - info: [debug] [INSTSERVER] Instruments exited with code 253

2014-12-04 12:42:51:206 - info: [debug] Killall instruments

2014-12-04 12:42:51:211 - info: [debug] Instruments crashed on startup
2014-12-04 12:42:51:212 - info: [debug] Attempting to retry launching instruments, this is retry #1
2014-12-04 12:42:51:212 - info: [debug] Killall iOS Simulator

2014-12-04 12:42:56:220 - info: Launching instruments

2014-12-04 12:42:56:221 - info: [debug] Attempting to run app on real device with UDID c11dc0c522ced602d5f323bcf0607edd7e789319
2014-12-04 12:42:56:222 - info: [debug] Spawning instruments with command: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments -t /Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/PlugIns/AutomationInstrument.xrplugin/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w c11dc0c522ced602d5f323bcf0607edd7e789319 com.cloudengines.pogoplug -e UIASCRIPT “/Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js” -e UIARESULTSPATH /tmp/appium-instruments

2014-12-04 12:42:56:222 - info: [debug] And extra without-delay env: {}
2014-12-04 12:42:56:222 - info: [debug] And launch timeouts (in ms): {“global”:90000}

2014-12-04 12:42:57:178 - info: [debug] [INSTSERVER] Instruments exited with code 253

2014-12-04 12:42:57:178 - info: [debug] Killall instruments

2014-12-04 12:42:57:181 - info: [debug] Instruments crashed on startup
2014-12-04 12:42:57:182 - info: [debug] Attempting to retry launching instruments, this is retry #2
2014-12-04 12:42:57:183 - info: [debug] Killall iOS Simulator

2014-12-04 12:43:02:198 - info: Launching instruments

2014-12-04 12:43:02:200 - info: [debug] Attempting to run app on real device with UDID c11dc0c522ced602d5f323bcf0607edd7e789319
2014-12-04 12:43:02:200 - info: [debug] Spawning instruments with command: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments -t /Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/PlugIns/AutomationInstrument.xrplugin/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w c11dc0c522ced602d5f323bcf0607edd7e789319 com.cloudengines.pogoplug -e UIASCRIPT “/Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js” -e UIARESULTSPATH /tmp/appium-instruments
2014-12-04 12:43:02:201 - info: [debug] And extra without-delay env: {}
2014-12-04 12:43:02:201 - info: [debug] And launch timeouts (in ms): {“global”:90000}

2014-12-04 12:43:03:102 - info: [debug] [INSTSERVER] Instruments exited with code 253

2014-12-04 12:43:03:103 - info: [debug] Killall instruments

2014-12-04 12:43:03:106 - info: [debug] Instruments crashed on startup
2014-12-04 12:43:03:106 - info: [debug] Attempting to retry launching instruments, this is retry #3
2014-12-04 12:43:03:106 - info: [debug] Killall iOS Simulator

2014-12-04 12:43:08:110 - info: Launching instruments

2014-12-04 12:43:08:111 - info: [debug] Attempting to run app on real device with UDID c11dc0c522ced602d5f323bcf0607edd7e789319
2014-12-04 12:43:08:111 - info: [debug] Spawning instruments with command: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments -t /Applications/Xcode.app/Contents/Applications/Instruments.app/Contents/PlugIns/AutomationInstrument.xrplugin/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w c11dc0c522ced602d5f323bcf0607edd7e789319 com.cloudengines.pogoplug -e UIASCRIPT “/Users/qa/Library/Application Support/appium/bootstrap/bootstrap-0943baae6b1d6f5b.js” -e UIARESULTSPATH /tmp/appium-instruments
2014-12-04 12:43:08:111 - info: [debug] And extra without-delay env: {}
2014-12-04 12:43:08:111 - info: [debug] And launch timeouts (in ms): {“global”:90000}

2014-12-04 12:43:09:164 - info: [debug] [INSTSERVER] Instruments exited with code 253

2014-12-04 12:43:09:164 - info: [debug] Killall instruments

2014-12-04 12:43:09:169 - info: [debug] Instruments crashed on startup
2014-12-04 12:43:09:170 - info: [debug] We exceeded the number of retries allowed for instruments to successfully start; failing launch
2014-12-04 12:43:09:171 - info: [debug] Stopping iOS log capture
2014-12-04 12:43:09:172 - info: [debug] Running ios sim reset flow
2014-12-04 12:43:09:172 - info: [debug] Killing the simulator process
2014-12-04 12:43:09:172 - info: [debug] Killall iOS Simulator
2014-12-04 12:43:09:182 - info: [debug] Killing any other simulator daemons

2014-12-04 12:43:09:249 - info: [debug] On a real device; cannot clean device state

2014-12-04 12:43:09:250 - error: Failed to start an Appium session, err was: Error: Instruments crashed on startup

2014-12-04 12:43:09:249 - info: [debug] Cleaning up appium session
2014-12-04 12:43:09:251 - info: [debug] Error: Instruments crashed on startup
at Instruments.onInstrumentsExit (/Applications/Appium.app/Contents/Resources/node_modules/appium/node_modules/appium-instruments/lib/instruments.js:387:31)
at null. (/Applications/Appium.app/Contents/Resources/node_modules/appium/node_modules/appium-instruments/lib/instruments.js:308:12)
at ChildProcess.emit (events.js:98:17)
at Process.ChildProcess._handle.onexit (child_process.js:810:12)
2014-12-04 12:43:09:252 - info: [debug] Responding to client with error: {“status”:33,“value”:{“message”:“A new session could not be created. (Original error: Instruments crashed on startup)”,“origValue”:“Instruments crashed on startup”},“sessionId”:null}
2014-12-04 12:43:09:254 - info: <-- POST /wd/hub/session 500 40627.698 ms - 182

2014-12-04 12:43:33:021 - info: --> GET /wd/hub/status {}

2014-12-04 12:43:33:022 - info: [debug] Responding to client with success: {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”}}}
2014-12-04 12:43:33:023 - info: <-- GET /wd/hub/status 200 1.632 ms - 104 {“status”:0,“value”:{“build”:{“version”:“1.3.3”,“revision”:“34e21b01b87d4e3959e1c97c0a8d0b1a610bdc78”}}}

The following Log was taken from the device during instruments launch attempt:
should we sign for debug the 4S differently from the 5/5s? (on both the 5 series it works like a charm)

Dec 4 15:38:46 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:46 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:47 iPhone syslog_relay[105] : syslog_relay found the ASL prompt. Starting…
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:47 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:47 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:47 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:47 iPhone mobile_installation_proxy[135] : 0x645000 handle_connection: Could not receive request from host.
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:48 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:48 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:50 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:48 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:49 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.processcontrol.posixspawn
Dec 4 15:38:49 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.launchdaemon
Dec 4 15:38:49 iPhone notification_proxy[101] : 0x389000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:38:49 iPhone notification_proxy[101] : 0x389000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:38:54 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:54 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:54 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:54 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:54 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:38:54 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:38:54 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.launchdaemon
Dec 4 15:38:54 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.processcontrol.posixspawn
Dec 4 15:38:54 iPhone notification_proxy[101] : 0x301000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:38:54 iPhone notification_proxy[101] : 0x301000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:39:00 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:00 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:00 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:00 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:00 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:00 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:00 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.launchdaemon
Dec 4 15:39:00 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.processcontrol.posixspawn
Dec 4 15:39:00 iPhone notification_proxy[101] : 0x301000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:39:00 iPhone notification_proxy[101] : 0x389000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:39:06 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:06 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:06 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:06 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:06 iPhone kernel[0] : flow_divert_token_set (0): Failed to get the key unit from the token: 22
Dec 4 15:39:06 iPhone lockdownd[25] : Could not set socket option SO_OPPORTUNISTIC: Invalid argument
Dec 4 15:39:06 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.processcontrol.posixspawn
Dec 4 15:39:06 iPhone DTMobileIS[141] : Could not create service named com.apple.instruments.server.services.launchdaemon
Dec 4 15:39:06 iPhone notification_proxy[101] : 0x411000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!
Dec 4 15:39:06 iPhone notification_proxy[101] : 0x411000 -[MNPLockdownConnection receiveMessage]: lockdown_receive_message error!