Macbook PRO retina 2014 USB port issue

Hi I'm having an issue with my usb port when connecting my ipad mini 2, It just connects then disconnect the whole time. So I tried checking the logs and here's the message.

9/2/15 12:04:38.000 PM	kernel[0]	USB (XHCI Root Hub USB 2.0 Simulation):Port 2 on bus 0xa connected or disconnected: portSC(0xe0202a0)
9/2/15 12:04:38.000 PM	kernel[0]	An Unknown USB Device (Port 2 of Hub at 0x14000000), may have caused a wake by being connected
9/2/15 12:04:38.829 PM	iTunes[517]	Entered:_AMMuxedVersion2DeviceConnected, mux-device:8
9/2/15 12:04:38.833 PM	iTunes[517]	tid:1545f - unable to query device capabilities
9/2/15 12:04:39.032 PM	com.apple.usbmuxd[325]	LOCKDOWN_V2_BONJOUR_SERVICE_NAME is _apple-mobdev2._tcp,92e207fa
9/2/15 12:04:39.483 PM	com.apple.usbmuxd[325]	_SendAttachNotification Device 9c:f3:87:69:56:dc@fe80::9ef3:87ff:fe69:56dc._apple-mobdev2._tcp.local. has already appeared on interface 4. Suppressing duplicate attach notification.
9/2/15 12:04:40.648 PM	com.apple.xpc.launchd[1]	(com.apple.xpc.launchd.domain.pid.MediaLibraryService.569) Path not allowed in target domain: type = pid, path = /Library/Frameworks/iTunesLibrary.framework/Versions/A/XPCServices/com.apple.iT unesLibraryService.xpc error = 147: The specified service did not ship in the requestor's bundle, origin = /System/Library/Frameworks/MediaLibrary.framework/Versions/A/XPCServices/com.ap ple.MediaLibraryService.xpc
9/2/15 12:04:40.650 PM	com.apple.xpc.launchd[1]	(com.apple.xpc.launchd.domain.pid.MediaLibraryService.569) Path not allowed in target domain: type = pid, path = /Library/Frameworks/iTunesLibrary.framework/Versions/A/XPCServices/com.apple.iT unesLibraryService.xpc error = 147: The specified service did not ship in the requestor's bundle, origin = /System/Library/Frameworks/MediaLibrary.framework/Versions/A/XPCServices/com.ap ple.MediaLibraryService.xpc
9/2/15 12:04:40.813 PM	com.apple.MediaLibraryService[569]	Preflight for plugin com.apple.ILPhotosPlugin failed, so it will not load. Error Domain=NSCocoaErrorDomain Code=3587 "The bundle “iLMBPhotosPlugin” couldn’t be loaded because it is damaged or missing necessary resources." (dlopen_preflight(/Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin/Contents/MacOS/i LMBPhotosPlugin): Library not loaded: /System/Library/PrivateFrameworks/PhotoLibraryPrivate.framework/Versions/A/Phot oLibraryPrivate

Referenced from: /Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin/Contents/MacOS/i LMBPhotosPlugin

Reason: image not found) UserInfo=0x7fe7d9d45550 {NSLocalizedFailureReason=The bundle is damaged or missing necessary resources., NSLocalizedRecoverySuggestion=Try reinstalling the bundle., NSFilePath=/Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin/Contents/MacOS/i LMBPhotosPlugin, NSDebugDescription=dlopen_preflight(/Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin/Contents/MacOS/i LMBPhotosPlugin): Library not loaded: /System/Library/PrivateFrameworks/PhotoLibraryPrivate.framework/Versions/A/Phot oLibraryPrivate

Referenced from: /Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin/Contents/MacOS/i LMBPhotosPlugin

Reason: image not found, NSBundlePath=/Library/Application Support/iLifeMediaBrowser/Plug-Ins/iLMBPhotosPlugin.ilmbplugin, NSLocalizedDescription=The bundle “iLMBPhotosPlugin” couldn’t be loaded because it is damaged or missing necessary resources.}

9/2/15 12:04:40.824 PM	com.apple.SecurityServer[52]	Session 100034 created
9/2/15 12:04:41.143 PM	com.apple.xpc.launchd[1]	(com.apple.PhotoApps.AVCHDConverter) Unknown key for dictionary: EnvironmentVarialbles
9/2/15 12:04:41.143 PM	com.apple.xpc.launchd[1]	(com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
9/2/15 12:04:46.643 PM	CoreServicesUIAgent[486]	unexpected message <OS_xpc_error: <error: 0x7fff7857fc60> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff7857ff70> { length = 18, contents = "Connection invalid" }

}>

9/2/15 12:05:19.408 PM	iTunes[517]	Entered:_AMMuxedDeviceDisconnected, mux-device:8
9/2/15 12:05:19.408 PM	iTunes[517]	Entered:__thr_AMMuxedDeviceDisconnected, mux-device:8
9/2/15 12:05:19.409 PM	iTunes[517]	tid:e063 - BootedOS mode device disconnected

So I'm thinking if it's usb cable problem or my ipad so I've tried other devices and cable but still the issue is replicated, Also, I tried connecting my devices on my Mac Mini 2012 and there's no problem connecting to it.

Here's the log of my Mac Mini 2012

9/2/15 11:38:40.000 AM	kernel[0]	considerRebuildOfPrelinkedKernel prebuild rebuild has expired
9/2/15 11:38:46.785 AM	com.apple.xpc.launchd[1]	(com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
9/2/15 11:38:47.782 AM	com.apple.iCloudHelper[8060]	objc[8060]: Class FALogging is implemented in both /System/Library/PrivateFrameworks/FamilyCircle.framework/Versions/A/FamilyCircl e and /System/Library/PrivateFrameworks/FamilyNotification.framework/Versions/A/Famil yNotification. One of the two will be used. Which one is undefined.
9/2/15 11:38:47.790 AM	com.apple.xpc.launchd[1]	(com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.
9/2/15 11:38:50.082 AM	Photos[8059]	Using FaceCore version: 3.9.10
9/2/15 11:38:50.376 AM	com.apple.photomoments[2604]	GEO: Fetched rev geo server version config file with version: 9
9/2/15 11:38:51.037 AM	Photos[8059]	Received changes notification alert: <LiModelChangeGroup: 0x618000279c40> alert flags : Replay Complete
9/2/15 11:38:51.430 AM	cloudphotosd[1479]	New connection request from 8059
9/2/15 11:38:52.133 AM	com.apple.xpc.launchd[1]	(com.apple.xpc.launchd.domain.pid.MediaLibraryService.8063) Path not allowed in target domain: type = pid, path = /Library/Frameworks/iTunesLibrary.framework/Versions/A/XPCServices/com.apple.iT unesLibraryService.xpc error = 147: The specified service did not ship in the requestor's bundle, origin = /System/Library/Frameworks/MediaLibrary.framework/Versions/A/XPCServices/com.ap ple.MediaLibraryService.xpc
9/2/15 11:38:52.134 AM	com.apple.xpc.launchd[1]	(com.apple.xpc.launchd.domain.pid.MediaLibraryService.8063) Path not allowed in target domain: type = pid, path = /Library/Frameworks/iTunesLibrary.framework/Versions/A/XPCServices/com.apple.iT unesLibraryService.xpc error = 147: The specified service did not ship in the requestor's bundle, origin = /System/Library/Frameworks/MediaLibrary.framework/Versions/A/XPCServices/com.ap ple.MediaLibraryService.xpc
9/2/15 11:38:53.864 AM	Photos[8059]	Clients blocking shutdown:

PFResourceAccessToken(0x6000002eb300), registration count = 1, reason = BSM resource access block for class: RKDatabase

0 PhotoFoundation 0x0000000110adc115 -[PFResourceAccessToken initWithResource:reason:] + 182
1 PhotoFoundation 0x0000000110add9d3 -[PFBackgroundServiceManager beginActivityForResource:reason:] + 166
2 PhotoFoundation 0x0000000110add329 +[PFBackgroundServiceManager beginActivityForResource:reason:] + 97
3 PhotoFoundation 0x0000000110ad9641 -[NSObject(PFBSMTrackedResourceMethods) runBlockWithBSMResourceAccess:] + 120
4 RedRock 0x0000000111456b8e __50+[RKLibraryPostOpenEmptyTrashTask taskForLibrary:]_block_invoke + 287
5 PhotoLibraryPrivate 0x00000001103291bf __56-[RDLibraryPostOpenTaskManager processTasksWithHandler:]_block_invoke + 271
6 libdispatch.dylib 0x00007fff90f2b323 _dispatch_call_block_and_release + 12
7 libdispatch.dylib 0x00007fff90f26c13 _dispatch_client_callout + 8
8 libdispatch.dylib 0x00007fff90f2988f _dispatch_root_queue_drain + 935
9 libdispatch.dylib 0x00007fff90f37fe4 _dispatch_worker_thread3 + 91
9/2/15 11:38:55.058 AM	com.apple.SecurityServer[75]	Session 100034 created
9/2/15 11:38:55.279 AM	com.apple.SecurityServer[75]	Session 100036 created
9/2/15 11:38:58.869 AM	CoreServicesUIAgent[304]	unexpected message <OS_xpc_error: <error: 0x7fff766ecc60> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff766ecf70> { length = 18, contents = "Connection invalid" }

}>

9/2/15 11:38:58.883 AM	CoreServicesUIAgent[304]	unexpected message <OS_xpc_error: <error: 0x7fff766ecc60> { count = 1, contents =
"XPCErrorDescription" => <string: 0x7fff766ecf70> { length = 18, contents = "Connection invalid" }

}>

9/2/15 11:39:01.278 AM

com.apple.xpc.launchd[1]

(com.apple.imfoundation.IMRemoteURLConnectionAgent) The _DirtyJetsamMemoryLimit key is not available on this platform.

I hope someone can help me with my problem.