root@arclight:~ # lldb -c cec-client-6.0.2.core cec-client  
(lldb) target create "cec-client" --core "cec-client-6.0.2.core"
Core file '/root/cec-client-6.0.2.core' (x86_64) was loaded.

(lldb) thread backtrace all
* thread #1, name = 'cec-client-6.0.2', stop reason = signal SIGILL
  * frame #0: 0x00000008008d5074 libcec.so.6`P8PLATFORM::CThread::~CThread() + 4
    frame #1: 0x00000008008d69dd libcec.so.6`CEC::CCECProcessor::Close() + 93
    frame #2: 0x00000000002116ac cec-client`___lldb_unnamed_symbol49$$cec-client + 2700
    frame #3: 0x0000000000209960 cec-client`___lldb_unnamed_symbol103$$cec-client + 256
  thread #2, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x00000008005df496 libc.so.7`___lldb_unnamed_symbol1155$$libc.so.7 + 6
    frame #1: 0x00000008005df484 libc.so.7`___lldb_unnamed_symbol1154$$libc.so.7 + 20
    frame #2: 0x000000080061fa12 libc.so.7`___lldb_unnamed_symbol1746$$libc.so.7 + 1250
    frame #3: 0x00000008005d2229 libc.so.7`___lldb_unnamed_symbol1118$$libc.so.7 + 681
    frame #4: 0x00000008008d1aec libcec.so.6`CEC::CCECClient::Process() + 892
    frame #5: 0x00000008008d5304 libcec.so.6`P8PLATFORM::CThread::ThreadHandler(void*) + 100
    frame #6: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331
  thread #3, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x0000000800436b3c libthr.so.3`___lldb_unnamed_symbol1$$libthr.so.3 + 12
    frame #1: 0x0000000800446660 libthr.so.3`___lldb_unnamed_symbol186$$libthr.so.3 + 80
    frame #2: 0x000000080043869f libthr.so.3`___lldb_unnamed_symbol7$$libthr.so.3 + 623
    frame #3: 0x00000008008d5200 libcec.so.6`P8PLATFORM::CCondition<bool>::Wait(P8PLATFORM::CMutex&, bool&, unsigned int) + 272
    frame #4: 0x00000008008eb8b9 libcec.so.6`P8PLATFORM::SyncedBuffer<CEC::CCECAdapterMessageQueueEntry*>::Pop(CEC::CCECAdapterMessageQueueEntry*&, int) + 201
    frame #5: 0x00000008008ea959 libcec.so.6`CEC::CCECAdapterMessageQueue::Process() + 121
    frame #6: 0x00000008008d5304 libcec.so.6`P8PLATFORM::CThread::ThreadHandler(void*) + 100
    frame #7: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331
  thread #4, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x0000000800436b3c libthr.so.3`___lldb_unnamed_symbol1$$libthr.so.3 + 12
    frame #1: 0x0000000800446660 libthr.so.3`___lldb_unnamed_symbol186$$libthr.so.3 + 80
    frame #2: 0x000000080043869f libthr.so.3`___lldb_unnamed_symbol7$$libthr.so.3 + 623
    frame #3: 0x00000008008d5200 libcec.so.6`P8PLATFORM::CCondition<bool>::Wait(P8PLATFORM::CMutex&, bool&, unsigned int) + 272
    frame #4: 0x00000008008e84d8 libcec.so.6`CEC::CAdapterEepromWriteThread::Process() + 200
    frame #5: 0x00000008008d5304 libcec.so.6`P8PLATFORM::CThread::ThreadHandler(void*) + 100
    frame #6: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331
  thread #5, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x0000000800436b3c libthr.so.3`___lldb_unnamed_symbol1$$libthr.so.3 + 12
    frame #1: 0x0000000800446660 libthr.so.3`___lldb_unnamed_symbol186$$libthr.so.3 + 80
    frame #2: 0x000000080043869f libthr.so.3`___lldb_unnamed_symbol7$$libthr.so.3 + 623
    frame #3: 0x00000008008dc141 libcec.so.6`P8PLATFORM::CCondition<bool volatile>::Wait(P8PLATFORM::CMutex&, bool volatile&, unsigned int) + 273
    frame #4: 0x00000008008db8a1 libcec.so.6`CEC::CCECInputBuffer::Pop(CEC::cec_command&, unsigned short) + 177
    frame #5: 0x00000008008d776a libcec.so.6`CEC::CCECProcessor::Process() + 506
    frame #6: 0x00000008008d5304 libcec.so.6`P8PLATFORM::CThread::ThreadHandler(void*) + 100
    frame #7: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331
  thread #6, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x0000000800436b3c libthr.so.3`___lldb_unnamed_symbol1$$libthr.so.3 + 12
    frame #1: 0x0000000800446660 libthr.so.3`___lldb_unnamed_symbol186$$libthr.so.3 + 80
    frame #2: 0x000000080043869f libthr.so.3`___lldb_unnamed_symbol7$$libthr.so.3 + 623
    frame #3: 0x00000008008dc141 libcec.so.6`P8PLATFORM::CCondition<bool volatile>::Wait(P8PLATFORM::CMutex&, bool volatile&, unsigned int) + 273
    frame #4: 0x00000008008dbd50 libcec.so.6`P8PLATFORM::CEvent::Wait(unsigned int) + 96
    frame #5: 0x00000008008d649b libcec.so.6`CEC::CCECStandbyProtection::Process() + 155
    frame #6: 0x00000008008d5304 libcec.so.6`P8PLATFORM::CThread::ThreadHandler(void*) + 100
    frame #7: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331
  thread #7, name = 'cec-client-6.0.2', stop reason = signal SIGILL
    frame #0: 0x0000000800436b3c libthr.so.3`___lldb_unnamed_symbol1$$libthr.so.3 + 12
    frame #1: 0x0000000800446660 libthr.so.3`___lldb_unnamed_symbol186$$libthr.so.3 + 80
    frame #2: 0x000000080043869f libthr.so.3`___lldb_unnamed_symbol7$$libthr.so.3 + 623
    frame #3: 0x00000008008d526c libcec.so.6`P8PLATFORM::CCondition<bool>::Wait(P8PLATFORM::CMutex&, bool&, unsigned int) + 380
    frame #4: 0x00000008008d4d33 libcec.so.6`P8PLATFORM::CThread::StopThread(int) + 147
    frame #5: 0x00000008008d4f92 libcec.so.6`P8PLATFORM::CThread::~CThread() + 34
    frame #6: 0x00000008008d63ee libcec.so.6`CEC::CCECStandbyProtection::~CCECStandbyProtection() + 14
    frame #7: 0x00000008008d69dd libcec.so.6`CEC::CCECProcessor::Close() + 93
    frame #8: 0x0000000000213756 cec-client`___lldb_unnamed_symbol68$$cec-client + 22
    frame #9: 0x00000000002138ae cec-client`___lldb_unnamed_symbol73$$cec-client + 94
    frame #10: 0x000000080043982b libthr.so.3`___lldb_unnamed_symbol11$$libthr.so.3 + 331