Apple TV issue diagnostics/mobilegestalt/rebooting

[nickhyl]

I am facing an issue getting diagnostics/mobilegestalt/rebooting an Apple TV device. The device is paired over network and supervised, running tvOS 16.2. These commands are working for me for another device running 16.1, so was thinking it is related to changes in the recent upgrade, but unsure. I get the following issues running commands

% ios diagnostics --udid 1dafa12122994bd53425e32165086f586c91c7ba list
{"level":"info","msg":"Handshake errorEOF","time":"2023-01-23T12:40:35Z"}
{"err":"EOF","level":"fatal","msg":"Starting diagnostics service failed with","time":"2023-01-23T12:40:35Z"}

 % ios mobilegestalt --udid 1dafa12122994bd53425e32165086f586c91c7ba AirplaneMode
{"level":"info","msg":"Handshake errorEOF","time":"2023-01-23T12:43:18Z"}
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x58 pc=0x139a83c]

goroutine 1 [running]:
github.com/danielpaulus/go-ios/ios/diagnostics.(*Connection).MobileGestaltQuery(0xc0005300f0, {0xc0000d7810, 0x7, 0x5})
    /Users/runner/work/go-ios/go-ios/ios/diagnostics/mobilegestalt.go:18 +0x3c
main.mobileGestaltCommand({0x11b9, {0xc0000e01d0, 0x8}, {0x0, {0xc0000e0240, 0x7}, 0x11b9, 0x0, 0x0, {0xc00044c870, ...}}}, ...)
    /Users/runner/work/go-ios/go-ios/main.go:729 +0x105
main.Main()
    /Users/runner/work/go-ios/go-ios/main.go:260 +0x505
main.main()
    /Users/runner/work/go-ios/go-ios/main.go:52 +0x17

% ios reboot --udid 1dafa12122994bd53425e32165086f586c91c7ba
{"level":"info","msg":"Handshake errorEOF","time":"2023-01-23T12:43:39Z"}
{"level":"error","msg":"EOF","time":"2023-01-23T12:43:39Z"}

• Apple TV 4k
• OS: tvOS 16.2

[shamanec]

I really don't know what is happening, but are you using Xcode 14.2 which has the development images for tvOS16.2? Does the device appear as successfully prepared for development in Xcode? I didn't even know go-ios works with tvOS as well, kudos to Daniel :D

[danielpaulus]

This seems like there is something wrong with the pair record.

[danielpaulus]

I will buy an AppleTV and add it to the list of test devices. Does ios info work?

[nickhyl]

Thanks for getting back to me guys @shamanec

I really don't know what is happening, but are you using Xcode 14.2 which has the development images for tvOS16.2? Does the device appear as successfully prepared for development in Xcode?

Yes using Xcode 14.2 and have the device successfully paired over network

I didn't even know go-ios works with tvOS as well, kudos to Daniel :D

Yeah it actually works quite well 😄 . In fact was the only way I could get wda running for the Apple TV (xcodebuild commands don't seem to work apparently)

@danielpaulus

Does ios info work?

Yes. I think pretty much all of go-ios is working correctly, just anything related to the diagnostics service is causing issues (reboot, mobilegestalt, ioregistry). Makes me wonder has the service name changed after update from 16.1 -> 16.2

app@mobile-10-102-48-249 browserstack % ios info --udid 1dafa12122994bd53425e32165086f586c91c7ba
{"ActivationState":"Activated","ActivationStateAcknowledged":true,"BasebandStatus":"NoTelephonyCapabilty","BluetoothAddress":"ec:a9:07:1a:f0:15","BoardId":8,"BootSessionID":"FD0183DA-FDE6-424E-8FC0-CF320C6ADA37","BrickState":false,"BuildVersion":"20K661","CPUArchitecture":"arm64e","ChipID":32800,"DeviceClass":"AppleTV","DeviceColor":"unknown","DeviceName":"10.102.48.214","DieID":2863867657535534,"EthernetAddress":"ec:a9:07:19:d5:d6","FirmwareVersion":"iBoot-8419.80.7","HardwareModel":"J305AP","HardwarePlatform":"t8020","MLBSerialNumber":"C0721461S3WL794DP","ModelNumber":"MXGY2","NonVolatileRAM":{"SystemAudioVolumeSaved":"dHJ1ZQ==","audio-features":"MHgw","auto-boot":"dHJ1ZQ==","boot-args":"","bootdelay":"MA==","obliteration":"RUFDUyBEb25lIEAxNjc1OTU0MDY3LCBDYWxsZXI6IE4vQSwgUmVhc29uOiBOL0EgW2dGOiAweDAwMDAwMDAwMDAwMDAwODBd","ota-original-base-os-version":"MjBLMzYy"},"PairRecordProtectionClass":4,"PartitionType":"GUID_partition_scheme","PasswordProtected":false,"ProductName":"Apple TVOS","ProductType":"AppleTV11,1","ProductVersion":"16.3.1","ProductionSOC":true,"ProtocolVersion":"2","RegionInfo":"B/A","SerialNumber":"KV66PHYXY9","SoftwareBundleVersion":"","SupportedDeviceFamilies":[3],"TelephonyCapability":false,"TimeIntervalSince1970":1677519616.157054,"TimeZone":"Europe/Dublin","TimeZoneOffsetFromUTC":0,"TrustedHostAttached":true,"UniqueChipID":2863867657535534,"UniqueDeviceID":"1dafa12122994bd53425e32165086f586c91c7ba","UseRaptorCerts":true,"Uses24HourClock":false,"WiFiAddress":"ec:a9:07:0b:78:4a","instruments:hardwareInformation":{"hwCPU64BitCapable":1,"hwCPUsubtype":2,"hwCPUtype":16777228,"numberOfCpus":6,"numberOfPhysicalCpus":6},"instruments:networkInformation":{"en0":"Ethernet","en1":"Wi-Fi","en2":"Ethernet Adapter (en2)","lo0":"Loopback"}}

Note have checked with latest version 16.3 and am still seeing the issue, but 16.1 it is still working as expected

[danielpaulus]

Ok the device is on the way. Apple says it will arrive tomorrow.

[nickhyl]

Hey, just wondering has there been any findings with the Apple TV device?