pgvector crashes with "illegal instruction"

Solution Verified - Updated -

Issue

  • pgvector crashes with:
LOG:  00000: server process (PID 13426) was terminated by signal 4: Illegal instruction
DETAIL:  Failed process was running: SELECT ... (large set of floating point numbers)
  • pgvector is being used as the embedding database for LibreChat AI inference server

Environment

  • Red Hat Enterprise Linux 9.5
  • pgvector-0.6.2-1.module+el9.5.0+21770+ad2986ef.x86_64
  • VMware VM
  • Skylake Xeon Gold CPU

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