there are some crash in my app.
WatchdogVisibility: Foreground
WatchdogCPUStatistics: (
"Elapsed total CPU time (seconds): 3.670 (user 2.300, system 1.370), 3% CPU",
"Elapsed application CPU time (seconds): 0.404, 0% CPU"
) reportType:CrashLog maxTerminationResistance:Interactive>}
Thread 0 Crashed:
0 681B06A0-7F6B-3FA3-A2CE-063DC1DA7B1B0x27e00 __ulock_wait
1 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xa0ff4 _dlock_wait
2 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xa0f24 _dispatch_once_wait
3 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x6e7c8 +[AVAudioSession sharedInstance]
And i found another [AVAudioSession sharedInstance]
symbol in other thread
ProcessVisibility: Foreground
ProcessState: Running
WatchdogEvent: scene-create
WatchdogVisibility: Foreground
WatchdogCPUStatistics: (
"Elapsed total CPU time (seconds): 3.670 (user 2.300, system 1.370), 3% CPU",
"Elapsed application CPU time (seconds): 0.404, 0% CPU"
) reportType:CrashLog maxTerminationResistance:Interactive>}
0 681B06A0-7F6B-3FA3-A2CE-063DC1DA7B1B0x272c8 mach_msg2_trap
1 681B06A0-7F6B-3FA3-A2CE-063DC1DA7B1B0x3a194 mach_msg2_internal
2 681B06A0-7F6B-3FA3-A2CE-063DC1DA7B1B0x3a46c mach_msg_overwrite
3 681B06A0-7F6B-3FA3-A2CE-063DC1DA7B1B0x27808 mach_msg
4 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xbb964 _dispatch_mach_send_and_wait_for_reply
5 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xbbcf4 dispatch_mach_send_with_result_and_wait_for_reply
6 A0D322A3-D772-3260-9690-71F28737C43C0x8ea8c xpc_connection_send_message_with_reply_sync
7 1715DE5D-0893-3AF0-B0C0-550BB14F91EC0x4dc3b4 __NSXPCCONNECTION_IS_WAITING_FOR_A_SYNCHRONOUS_REPLY__
8 1715DE5D-0893-3AF0-B0C0-550BB14F91EC0x46f760 -[NSXPCConnection _sendInvocation:orArguments:count:methodSignature:selector:withProxy:]
9 A900B459-0127-379E-9CBA-0EAB9C5D559F0x1214a0 ___forwarding___
10 A900B459-0127-379E-9CBA-0EAB9C5D559F0x187ef8 __forwarding_prep_0___
11 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x7d700 -[AVAudioSession privateCreateSessionInServerUsingXPC]
12 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x7e874 -[AVAudioSession initWithSpecification:]
13 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x6e1b8 -[AVAudioSession initWithSessionType:]
14 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x6e158 __32+[AVAudioSession sharedInstance]_block_invoke
15 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xa0604 _dispatch_client_callout
16 5D16936B-4E4C-3276-BA7A-69C9BC760ABA0xa1e44 _dispatch_once_callout
17 BFBF140A-DB1B-3B5B-ACE4-1C990763332A0x6e7c8 +[AVAudioSession sharedInstance]
why deadlock happend to [AVAudioSession sharedInstance]
?
i try get volume of [AVAudioSession sharedInstance]
in my didFinishLaunchingWithOptions