Estoy haciendo la automatización de iOS en un dispositivo real. Pero me quedé atascado con el error "No se pudo iniciar una sesión de Appium, err fue: Error: los instrumentos se bloquearon al iniciar". los registros están debajo. Por favor, ayuda a resolver este error. Gracias por adelantado.

info: Appium REST http interface listener started on 0.0.0.0:4723
info: Console LogLevel: debug
info: --> POST /wd/hub/session {"desiredCapabilities":{"app":"/Users/rajesh.madaswamy/Desktop/PlainNote/code/sencha/cordova/platforms/ios/build/emulator/Fly_dotREZ.ipa","platformVersion":"7.1.2","platformName":"iOS","deviceName":"iPhone 5S","bundleId":"com.accenture.london.Voyage-Air","udid":"5f5e07c61ae3ad4f755801bd6336d21d90927095"}}
info: Client User-Agent string: Apache-HttpClient/4.3.6 (java 1.5)
info: [debug] Using local .ipa from desired caps: /Users/rajesh.madaswamy/Desktop/PlainNote/code/sencha/cordova/platforms/ios/build/emulator/Fly_dotREZ.ipa
info: [debug] Copying local zip to tmp dir
info: [debug] /Users/rajesh.madaswamy/Desktop/PlainNote/code/sencha/cordova/platforms/ios/build/emulator/Fly_dotREZ.ipa copied to /var/folders/mt/7w1_nx811y9cyx1778lqs_700000gq/T/115210-67883-1h28vtl/appium-app.zip
info: [debug] Unzipping /var/folders/mt/7w1_nx811y9cyx1778lqs_700000gq/T/115210-67883-1h28vtl/appium-app.zip
info: [debug] Testing zip archive: /var/folders/mt/7w1_nx811y9cyx1778lqs_700000gq/T/115210-67883-1h28vtl/appium-app.zip
info: [debug] Zip archive tested clean
info: [debug] Unzip successful
info: [debug] Using locally extracted app: /var/folders/mt/7w1_nx811y9cyx1778lqs_700000gq/T/115210-67883-1h28vtl/Payload/Fly dotREZ.app
info: [debug] Creating new appium session 709e3337-b330-4549-b6d0-eb10722cc83b
info: [debug] Removing any remaining instruments sockets
info: [debug] Cleaned up instruments socket /tmp/instruments_sock
info: [debug] Setting Xcode folder
info: [debug] Setting Xcode version
info: [debug] Setting iOS SDK Version
info: [debug] Getting sdk version from xcrun with a timeout
info: [debug] iOS SDK Version set to 7.0
info: [debug] Not checking whether simulator is available since we're on a real device
info: [debug] Detecting automation tracetemplate
info: [debug] Not auto-detecting udid, running on sim
info: [debug] Parsed app Info.plist (as binary)
info: [debug] Parsed app Localizable.strings
info: [debug] Creating instruments
info: [debug] Preparing uiauto bootstrap
info: [debug] Dynamic bootstrap dir: /Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap
info: [debug] Dynamic env: {"nodePath":"/usr/local/bin/node","commandProxyClientPath":"/Users/rajesh.madaswamy/.npm-packages/lib/node_modules/appium/node_modules/appium-uiauto/bin/command-proxy-client.js","instrumentsSock":"/tmp/instruments_sock","interKeyDelay":null,"justLoopInfinitely":false,"autoAcceptAlerts":false,"autoDismissAlerts":false,"sendKeyStrategy":"grouped"}
info: [debug] Dynamic bootstrap code: // This file is automatically generated. D...ot manually modify!
info: [debug] Dynamic bootstrap path: /Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js
info: [debug] Reusing dynamic bootstrap: /Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js
info: [debug] Not setting device type since we're on a real device
info: [debug] Checking whether we need to set app preferences
info: [debug] Not setting iOS and app preferences since we're on a real device
info: [debug] Running ios sim reset flow
info: [debug] Killing the simulator process
info: [debug] Killall iPhoneSimulator
info: [debug] Killing any other simulator daemons
info: [debug] On a real device; cannot clean device state
info: [debug] Not setting locale because we're using a real device
info: [debug] No iOS / app preferences to set
info: [debug] Starting iOS device log capture via deviceconsole
info: [debug] Not pre-launching simulator
info: [debug] Creating iDevice object with udid 5f5e07c61ae3ad4f755801bd6336d21d90927095
info: [debug] Checking app install status using: /Users/rajesh.madaswamy/.npm-packages/lib/node_modules/appium/build/fruitstrap/fruitstrap isInstalled --id 5f5e07c61ae3ad4f755801bd6336d21d90927095 --bundle com.accenture.london.Voyage-Air
info: [debug] App is installed.
info: [debug] fullReset not requested. No need to install.
info: [debug] Starting command proxy.
info: [debug] Instruments socket server started at /tmp/instruments_sock
info: [debug] Starting instruments
info: [debug] Instruments is at: /Applications/Xcode.app/Contents/Developer/usr/bin/instruments
info: Launching instruments
info: [debug] Attempting to run app on real device with UDID 5f5e07c61ae3ad4f755801bd6336d21d90927095
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.bundle/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w 5f5e07c61ae3ad4f755801bd6336d21d90927095 com.accenture.london.Voyage-Air -e UIASCRIPT "/Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js" -e UIARESULTSPATH /tmp/appium-instruments
info: [debug] And extra without-delay env: {}
info: [debug] And launch timeouts (in ms): {"global":90000}
info: [debug] [INST STDERR] 2015-03-10 17:30:06.747 instruments[67920:707] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] 2015-03-10 17:30:06.862 instruments[67920:2203] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] Instruments Trace Error : Failed to start trace.
info: [debug] [INSTSERVER] Instruments exited with code 253
info: [debug] Killall instruments
info: [debug] Instruments crashed on startup
info: [debug] Attempting to retry launching instruments, this is retry #1
info: [debug] Killall iPhoneSimulator
info: Launching instruments
info: [debug] Attempting to run app on real device with UDID 5f5e07c61ae3ad4f755801bd6336d21d90927095
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.bundle/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w 5f5e07c61ae3ad4f755801bd6336d21d90927095 com.accenture.london.Voyage-Air -e UIASCRIPT "/Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js" -e UIARESULTSPATH /tmp/appium-instruments
info: [debug] And extra without-delay env: {}
info: [debug] And launch timeouts (in ms): {"global":90000}
info: [debug] [INST STDERR] 2015-03-10 17:30:13.444 instruments[67923:707] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] 2015-03-10 17:30:13.555 instruments[67923:2003] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] Instruments Trace Error : Failed to start trace.
info: [debug] [INSTSERVER] Instruments exited with code 253
info: [debug] Killall instruments
info: [debug] Instruments crashed on startup
info: [debug] Attempting to retry launching instruments, this is retry #2
info: [debug] Killall iPhoneSimulator
info: Launching instruments
info: [debug] Attempting to run app on real device with UDID 5f5e07c61ae3ad4f755801bd6336d21d90927095
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.bundle/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w 5f5e07c61ae3ad4f755801bd6336d21d90927095 com.accenture.london.Voyage-Air -e UIASCRIPT "/Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js" -e UIARESULTSPATH /tmp/appium-instruments
info: [debug] And extra without-delay env: {}
info: [debug] And launch timeouts (in ms): {"global":90000}
info: [debug] [INST STDERR] 2015-03-10 17:30:20.152 instruments[67927:707] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] 2015-03-10 17:30:20.253 instruments[67927:3f03] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] Instruments Trace Error : Failed to start trace.
info: [debug] [INSTSERVER] Instruments exited with code 253
info: [debug] Killall instruments
info: [debug] Instruments crashed on startup
info: [debug] Attempting to retry launching instruments, this is retry #3
info: [debug] Killall iPhoneSimulator
info: Launching instruments
info: [debug] Attempting to run app on real device with UDID 5f5e07c61ae3ad4f755801bd6336d21d90927095
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.bundle/Contents/Resources/Automation.tracetemplate -D /tmp/appium-instruments/instrumentscli0.trace -w 5f5e07c61ae3ad4f755801bd6336d21d90927095 com.accenture.london.Voyage-Air -e UIASCRIPT "/Users/rajesh.madaswamy/Library/Application Support/appium/bootstrap/bootstrap-b98646d39f6b505e.js" -e UIARESULTSPATH /tmp/appium-instruments
info: [debug] And extra without-delay env: {}
info: [debug] And launch timeouts (in ms): {"global":90000}
info: [debug] [INST STDERR] 2015-03-10 17:30:26.840 instruments[67930:707] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] 2015-03-10 17:30:26.952 instruments[67930:3827] Failed to start Instruments daemon for 'iOS' on 'jitendra.k.dash’s iPhone (v7.1.2)' (The service is invalid.)
info: [debug] [INST STDERR] Instruments Trace Error : Failed to start trace.
info: [debug] [INSTSERVER] Instruments exited with code 253
info: [debug] Killall instruments
info: [debug] Instruments crashed on startup
info: [debug] We exceeded the number of retries allowed for instruments to successfully start; failing launch
info: [debug] Stopping iOS log capture
info: [debug] Running ios sim reset flow
info: [debug] Killing the simulator process
info: [debug] Killall iPhoneSimulator
info: [debug] Killing any other simulator daemons
info: [debug] On a real device; cannot clean device state
info: [debug] Cleaning up appium session
error: Failed to start an Appium session, err was: Error: Instruments crashed on startup
info: [debug] Error: Instruments crashed on startup
    at Instruments.onInstrumentsExit (/Users/rajesh.madaswamy/.npm-packages/lib/node_modules/appium/node_modules/appium-instruments/lib/instruments.js:389:31)
    at null.<anonymous> (/Users/rajesh.madaswamy/.npm-packages/lib/node_modules/appium/node_modules/appium-instruments/lib/instruments.js:308:12)
    at ChildProcess.emit (events.js:110:17)
    at Process.ChildProcess._handle.onexit (child_process.js:1067:12)
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}
info: <-- POST /wd/hub/session 500 24889.612 ms - 182