Stack trace of thread 21867:
#0 0x00007f7192590b6d n/a (libx265.so.151)
#1 0x00007f71924d673d _ZN4x2658Analysis21checkMerge2Nx2N_rd0_4ERNS_4ModeES2_RKNS_6CUGeomE (libx265.so.151)
#2 0x00007f71924e1ed8 _ZN4x2658Analysis21compressInterCU_rd0_4ERKNS_6CUDataERKNS_6CUGeomEi (libx265.so.151)
#3 0x00007f71924e1560 _ZN4x2658Analysis21compressInterCU_rd0_4ERKNS_6CUDataERKNS_6CUGeomEi (libx265.so.151)
#4 0x00007f71924e438e _ZN4x2658Analysis11compressCTUERNS_6CUDataERNS_5FrameERKNS_6CUGeomERKNS_7EntropyE (libx265.so.151)
#5 0x00007f719250c8b5 _ZN4x26512FrameEncoder17processRowEncoderEiRNS_15ThreadLocalDataE (libx265.so.151)
#6 0x00007f719250af31 _ZN4x26512FrameEncoder10processRowEii (libx265.so.151)
#7 0x00007f71928bc68d _ZN4x2659WaveFront7findJobEi (libx265.so.151)
#8 0x00007f71928bb9a6 _ZN4x26512WorkerThread10threadMainEv (libx265.so.151)
#9 0x00007f71928bb28a n/a (libx265.so.151)
#10 0x00007f71980aa075 start_thread (libpthread.so.0)
#11 0x00007f7197ddf53f __clone (libc.so.6)