TIC TCP Conn Error?

Question

Created Apr ’17

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I am asked by my client to find the solution of the issue that the app has TIC TCP Conn errors after updated from iOS 10.2 to 10.3.

Since this app is not my product (other vender developped), I have no idea what is wrong.

The symptom is no commutication between app and the server.

The long log was given to me by my client and I attach the part of them as follow;

Apr 24 11:32:04 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Start [44:0x17019f3b0]
Apr 24 11:32:04 senri-no-iPhone CommCenter(libATCommandStudioDynamic.dylib)[74] <Notice>: QMI: Svc=0x03(NAS) Ind MsgId=0x555b Bin=[<private>]
Apr 24 11:32:04 senri-no-iPhone CommCenter(libATCommandStudioDynamic.dylib)[74] <Notice>: QMI: Svc=0x03(NAS) Ind MsgId=0x555b Bin=[<private>]
Apr 24 11:32:04 senri-no-iPhone CommCenter[74] <Notice>: #N Add Frequency List Failed
Apr 24 11:32:04 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Event [44:0x17019f3b0]: 1 Err(0)
Apr 24 11:32:04 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Connected [44:0x17019f3b0]: Err(0)
Apr 24 11:32:04 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC Enabling TLS [44:0x17019f3b0]
Apr 24 11:32:05 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [44:0x17019f3b0]: 2, Pending(0)

I can show all the log if required. Please let me know if that is the case.

And also, there are a lot of "kCLConnectionMessageWatchdog" message in the log.

Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Traffic.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/CompassCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/MotionCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/TimeZone.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/MotionCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/MotionCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/AppGenius.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Routine.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/AppSuggestions.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Traffic.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/CompassCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/MotionCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/AppGenius.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Routine.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client 'com.apple.AppStore'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Traffic.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/CompassCalibration.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Traffic.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/Routine.bundle'
Apr 24 11:32:06 senri-no-iPhone locationd[1875] <Notice>: message 'kCLConnectionMessageWatchdog' received from client '/System/Library/LocationBundles/AppGenius.bundle'

What does "kCLConnectionMessageWatchdog" mean?

As I am not familiar with commutication process, please help me.

Thanks.

Boost

Answer 1

Claude31 OP

Apr ’17

Seems you have a problem with the lcation service :

seen at h ttps://apple.stackexchange.com/questions/161863/what-is-process-locationd

locationd is the daemon process on your iPhone that obtains your location and makes it available to other applications for use

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Answer 2

Import EV Corporation OP

Apr ’17

Thank you for your response.

I read linked web page. It seems saying "update the latest iOS version to solve the issue", but the issue I have is caused by updating iOS version from 10.2 to 10.3 which is the latest iOS version.

Could you tell me what action I should take to solve the issue?

Thanks.

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Answer 3

Claude31 OP

Apr ’17

In the log, I see line 8 that you have a request pending:

Apr 24 11:32:05 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [44:0x17019f3b0]: 2, Pending(0)

Have you the following lines, to see if the request gets completed (TLS should be an authentication request)

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Answer 4

Import EV Corporation OP

Apr ’17

Thank you for your response.

Is this what you are saying?

Apr 24 11:32:05 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [44:0x17019f3b0]: 20, Pending(0)
Apr 24 11:32:05 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Event [44:0x17019f3b0]: 8 Err(0)
Apr 24 11:32:05 senri-no-iPhone Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Handshake Complete [44:0x17019f3b0]

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Answer 5

Claude31 OP

Apr ’17

Handshake is complete, so this seems to work.

Cannot imagine what's going wrong. Sorry.

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Answer 6

Import EV Corporation OP

Apr ’17

Thank you for your response.

I found in the log that there are another lines as follows;

Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Cancel [44:0x17019f3b0]
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Destroyed [44:0x17019f3b0]

And also another TCP Conn started as follows;

Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Start [45:0x17419dc20]
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Event [45:0x17419dc20]: 1 Err(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Connected [45:0x17419dc20]: Err(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC Enabling TLS [45:0x17419dc20]
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [45:0x17419dc20]: 2, Pending(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [45:0x17419dc20]: 11, Pending(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [45:0x17419dc20]: 12, Pending(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [45:0x17419dc20]: 14, Pending(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Trust Result [45:0x17419dc20]: 0
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Event [45:0x17419dc20]: 20, Pending(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Event [45:0x17419dc20]: 8 Err(0)
Apr 24 11:32:05 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TLS Handshake Complete [45:0x17419dc20]
Apr 24 11:32:06 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Cancel [45:0x17419dc20]
Apr 24 11:32:06 Hoko-Padi(CFNetwork)[1757] <Notice>: TIC TCP Conn Destroyed [45:0x17419dc20]

Is this correct connection behavier?

Thanks.

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