Same issue here. Tested all the iOS updates hoping for a fix. Now it’s on iOS 11.0.3 connected to Mazda 6. I’ve reset everting to factory both phone and infotainment system. Unpaired and paired Bluetooth to no avail. Here’s the dump from the iPhone logs (excluding Binary images section):
{"app_name":"bluetoothd","app_version":"","bug_type":"109","timestamp":"2017-10- 14 14:22:29.05 +1100","os_version":"iPhone OS 11.0.3 (15A432)","incident_id":"568294DD-CA8E-4085-873B-3257BA4C452C","slice_uuid":"26 0308ea-4cc6-3d5b-9ca0-5a6141dee9bc","build_version":"","is_first_party":true,"sh are_with_app_devs":true,"name":"bluetoothd"}
Incident Identifier: 568294DD-CA8E-4085-873B-3257BA4C452C
CrashReporter Key: 1943f278e2b2c12f279863025d9ea7fdafd0d049
Hardware Model: iPhone8,2
Process: bluetoothd [409]
Path: /usr/sbin/bluetoothd
Identifier: bluetoothd
Version: ???
Code Type: ARM-64 (Native)
Role: Unspecified
Parent Process: launchd [1]
Coalition: com.apple.bluetoothd [117]
Date/Time: 2017-10-14 14:22:28.8194 +1100
Launch Time: 2017-10-14 14:19:30.2236 +1100
OS Version: iPhone OS 11.0.3 (15A432)
Baseband Version: 4.00.01
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000000000058
VM Region Info: 0x58 is not in any region. Bytes before following region: 4298784680
REGION TYPE START - END [ VSIZE] PRT/MAX SHRMOD REGION DETAIL
UNUSED SPACE AT START
--->
__TEXT 00000001003a4000-000000010076c000 [ 3872K] r-x/r-x SM=COW ...n/bluetoothd]
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [0]
Triggered by Thread: 6
Filtered syslog:
None found
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0:
0 libsystem_kernel.dylib
0x0000000181b70bc4 0x181b70000 + 3012
1 libsystem_kernel.dylib
0x0000000181b70a3c 0x181b70000 + 2620
2 CoreFoundation
0x000000018201fce4 0x181f36000 + 957668
3 CoreFoundation
0x000000018201d8b0 0x181f36000 + 948400
4 CoreFoundation
0x0000000181f3e2d8 0x181f36000 + 33496
5 CoreFoundation
0x0000000181f8d12c 0x181f36000 + 356652
6 bluetoothd
0x00000001003b4e4c 0x1003a4000 + 69196
7 libdyld.dylib
0x0000000181a62568 0x181a61000 + 5480
Thread 1 name: StackLoop
Thread 1:
0 libsystem_kernel.dylib
0x0000000181b91150 0x181b70000 + 135504
1 libsystem_pthread.dylib
0x0000000181ca6d78 0x181ca2000 + 19832
2 bluetoothd
0x00000001003ed9a8 0x1003a4000 + 301480
3 libsystem_pthread.dylib
0x0000000181ca432c 0x181ca2000 + 9004
4 libsystem_pthread.dylib
0x0000000181ca41f8 0x181ca2000 + 8696
5 libsystem_pthread.dylib
0x0000000181ca2c38 0x181ca2000 + 3128
Thread 2 name: RxLoop
Thread 2:
0 libsystem_kernel.dylib
0x0000000181b75108 0x181b70000 + 20744
1 bluetoothd
0x00000001003d9520 0x1003a4000 + 218400
2 libsystem_pthread.dylib
0x0000000181ca432c 0x181ca2000 + 9004
3 libsystem_pthread.dylib
0x0000000181ca41f8 0x181ca2000 + 8696
4 libsystem_pthread.dylib
0x0000000181ca2c38 0x181ca2000 + 3128
Thread 3 name: TxLoop
Thread 3:
0 libsystem_kernel.dylib
0x0000000181b91150 0x181b70000 + 135504
1 libsystem_pthread.dylib
0x0000000181ca6d40 0x181ca2000 + 19776
2 bluetoothd
0x000000010049d42c 0x1003a4000 + 1020972
3 libsystem_pthread.dylib
0x0000000181ca432c 0x181ca2000 + 9004
4 libsystem_pthread.dylib
0x0000000181ca41f8 0x181ca2000 + 8696
5 libsystem_pthread.dylib
0x0000000181ca2c38 0x181ca2000 + 3128
Thread 4:
0 libsystem_pthread.dylib
0x0000000181ca2c2c 0x181ca2000 + 3116
Thread 5:
0 libsystem_kernel.dylib
0x0000000181b91dbc 0x181b70000 + 138684
1 libsystem_pthread.dylib
0x0000000181ca2fb0 0x181ca2000 + 4016
2 libsystem_pthread.dylib
0x0000000181ca2c30 0x181ca2000 + 3120
Thread 6 name: Dispatch queue: com.apple.bluetooth.lowenergy
Thread 6 Crashed:
0 bluetoothd
0x00000001006c2dec 0x1003a4000 + 3272172
1 bluetoothd
0x00000001006b6598 0x1003a4000 + 3220888
2 libdispatch.dylib
0x00000001819fd048 0x1819fc000 + 4168
3 libdispatch.dylib
0x0000000181a05ae8 0x1819fc000 + 39656
4 bluetoothd
0x00000001003bf998 0x1003a4000 + 113048
5 bluetoothd
0x00000001003bb08c 0x1003a4000 + 94348
6 bluetoothd
0x00000001003b8294 0x1003a4000 + 82580
7 libxpc.dylib
0x0000000181cde300 0x181cd9000 + 21248
8 libxpc.dylib
0x0000000181cdbcb0 0x181cd9000 + 11440
9 libdispatch.dylib
0x00000001819fd118 0x1819fc000 + 4376
10 libdispatch.dylib
0x0000000181a138b8 0x1819fc000 + 96440
11 libdispatch.dylib
0x0000000181a06d00 0x1819fc000 + 44288
12 libdispatch.dylib
0x0000000181a14534 0x1819fc000 + 99636
13 libdispatch.dylib
0x0000000181a06d00 0x1819fc000 + 44288
14 libdispatch.dylib
0x0000000181a077d8 0x1819fc000 + 47064
15 libdispatch.dylib
0x0000000181a08200 0x1819fc000 + 49664
16 libdispatch.dylib
0x0000000181a104a0 0x1819fc000 + 83104
17 libsystem_pthread.dylib
0x0000000181ca2fe0 0x181ca2000 + 4064
18 libsystem_pthread.dylib
0x0000000181ca2c30 0x181ca2000 + 3120
Thread 7:
0 libsystem_pthread.dylib
0x0000000181ca2c2c 0x181ca2000 + 3116
Thread 6 crashed with ARM Thread State (64-bit):
x0: 0x0000000100b16bd0 x1: 0x000000016fc863e8 x2: 0x000000016fc863e8 x3: 0x0000000100b16bf0
x4: 0x0000000000000000 x5: 0x0000000000000000 x6: 0x0000000000000000 x7: 0x0000000000000060
x8: 0x0000000000000010 x9: 0x00000000000000a6 x10: 0x0000000100846c20 x11: 0x0000000300000007
x12: 0x0000000100846c20 x13: 0x000001a1b2a51c19 x14: 0x00000000ffffffff x15: 0x000000000000001f
x16: 0x00000001b2a37ea0 x17: 0x00000001815ab0d8 x18: 0x0000000000000000 x19: 0x0000000100b16bd0
x20: 0x0000000000000000 x21: 0x0000000000000000 x22: 0x000000016fc863e8 x23: 0x0000000100b1fd60
x24: 0x0000000100b1fd60 x25: 0x00000001007a1648 x26: 0x0000000000000000 x27: 0x000000016fc86440
x28: 0x000000016fc86440 fp: 0x000000016fc862d0 lr: 0x00000001006c2de8
sp: 0x000000016fc86220 pc: 0x00000001006c2dec cpsr: 0x60000000