Description

The ShooterGame client on Linux stops responding when the Windows host presses the Push to Talk hotkey and speaks into the mic to activate VOIP.

[2016.09.16-19.09.24:159][575]LogCore:Error: Hang detected on GameThread (thread hasn't sent a heartbeat for -nan seconds):
[2016.09.16-19.09.24:159][575]LogCore:Error: Hang detected on GameThread:

Steps to Reproduce

1. Open UE4Editor.exe ShooterGame -game -log
2. Open ./UE4Editor Shootergame -game -log
3. Host a Free For All match on the Windows machine
4. Join the windows match from the Linux machine
5. Hold V and speak into the mic on the Windows machine

RESULT:
The Linux client stops responding when decoding voice chat.

Callstack

Exception was "Hang detected on GameThread:"

<CALLSTACK START>
Unknown!FLinuxPlatformStackWalk::CaptureStackBackTrace(unsigned long long*, unsigned int, void*) + some bytes
Unknown!FGenericPlatformStackWalk::StackWalkAndDump(char*, unsigned long, int, void*) + some bytes
Unknown!FLinuxCrashContext::CaptureStackTrace() + some bytes
Unknown!NewReportEnsure(wchar_t const*) + some bytes
Unknown!FThreadHeartBeat::Run() + some bytes
Unknown!FRunnableThreadPThread::Run() + some bytes
Unknown!FRunnableThreadPThread::_ThreadProc(void*) + some bytes
Unknown!/lib/x86_64-linux-gnu/libpthread.so.0(+0x76fa) [0x7fe6408e46fa] + some bytes
Unknown!/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fe63fa9bb5d] + some bytes

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Fixed
ComponentUE - Networking
Affects Versions4.14
Target Fix4.14
Fix Commit3180666
Release Commit3180666
CreatedSep 16, 2016
ResolvedOct 31, 2016
UpdatedMay 2, 2018
View Jira Issue