x86_64 architecture crash
03-29 11:22:15.067 I/crash_dump64(27296): performing dump of process 11466 (target tid = 11570) 03-29 11:22:15.068 F/DEBUG (27296): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** 03-29 11:22:15.068 F/DEBUG (27296): Build fingerprint: 'harman/fca_dv2/fca_dv2:8.1.0/OPM1.171019.025/FCA-MY21.R17.89:user/release-keys' 03-29 11:22:15.068 F/DEBUG (27296): Revision: '0' 03-29 11:22:15.068 F/DEBUG (27296): ABI: 'x86_64' 03-29 11:22:15.068 F/DEBUG (27296): pid: 11466, tid: 11570, name: synthesize_thre >>> com.opus.demo <<< 03-29 11:22:15.068 F/DEBUG (27296): signal 4 (SIGILL), code 2 (ILL_ILLOPN), fault addr 0x76f9878cc7f0 03-29 11:22:15.068 F/DEBUG (27296): rax 0030788000000000 rbx 000076f9867a13d8 rcx 0000000000000001 rdx 0000000000000000 03-29 11:22:15.068 F/DEBUG (27296): rsi 0000000000000000 rdi 000076f9867a13d8 03-29 11:22:15.068 F/DEBUG (27296): r8 00000000000010c0 r9 0000000000000000 r10 000076f987fed888 r11 000076fa23dc3c78 03-29 11:22:15.068 F/DEBUG (27296): r12 000076f999656290 r13 0000000000000001 r14 000076f9867a1380 r15 00000000fffffffd 03-29 11:22:15.068 F/DEBUG (27296): cs 0000000000000033 ss 000000000000002b 03-29 11:22:15.068 F/DEBUG (27296): rip 000076f9878cc7f0 rbp 0000000000003e80 rsp 000076f988dae508 eflags 0000000000010246 03-29 11:22:15.079 F/DEBUG (27296): 03-29 11:22:15.079 F/DEBUG (27296): backtrace: 03-29 11:22:15.079 F/DEBUG (27296): #00 pc 000000000086b7f0 /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (silk_CNG_Reset+624) 03-29 11:22:15.079 F/DEBUG (27296): #01 pc 000000000085d282 /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (silk_init_decoder+50) 03-29 11:22:15.079 F/DEBUG (27296): #02 pc 000000000084a408 /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (silk_InitDecoder+8) 03-29 11:22:15.079 F/DEBUG (27296): #03 pc 0000000000847ccf /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (opus_decoder_init+255) 03-29 11:22:15.079 F/DEBUG (27296): #04 pc 0000000000847de6 /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (opus_decoder_create+150) 03-29 11:22:15.079 F/DEBUG (27296): #05 pc 0000000000255c69 /data/app/com.opus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/libopus.so (CodecsOpusDecoder::CodecsOpusDecoder(int)+57) 03-29 11:22:15.079 F/DEBUG (27296): #06 pc 0000000000237c95 /data/app/com.topus.demo-7tJhpVdJ6izUjsPDL3NchQ==/lib/x86_64/
this crash is in android x86_64, android other arches no problem. ios x86_64 is ok too.
It looks like your libopus.so was built with CPU features enabled that are not available on your device. Check your libopus.so build and remove any -m options enabling such CPU features.