* thread #4, name = 'videotestsrc0:s', stop reason = signal SIGABRT
  * frame #0: 0x00007ffff7e0182f libc.so.6`__GI_raise + 271
    frame #1: 0x00007ffff7dec672 libc.so.6`__GI_abort + 293
    frame #2: 0x00007ffff7dec548 libc.so.6`__assert_fail_base.cold.0 + 16
    frame #3: 0x00007ffff7df9db6 libc.so.6`__GI___assert_fail + 70
    frame #4: 0x00007ffff4d1d3d0 libdrm_intel.so.1`do_bo_emit_reloc(bo=0x00007fffe0031b00, offset=<unavailable>, target_bo=0x00007fffe00714c0, target_offset=0, read_domains=2, write_domain=2, need_fence=false) at intel_bufmgr_gem.c:1998:2
    frame #5: 0x00007ffff4d1e262 libdrm_intel.so.1`drm_intel_gem_bo_emit_reloc(bo=0x00007fffe0031b00, offset=<unavailable>, target_bo=<unavailable>, target_offset=<unavailable>, read_domains=<unavailable>, write_domain=<unavailable>) at intel_bufmgr_gem.c:2086:10
    frame #6: 0x00007ffff4daebcd i965_drv_video.so`gen9_gpe_context_add_surface + 237
    frame #7: 0x00007ffff4dadce9 i965_drv_video.so`i965_add_adv_gpe_surface + 121
    frame #8: 0x00007ffff4d92d30 i965_drv_video.so`___lldb_unnamed_symbol229$$i965_drv_video.so + 32
    frame #9: 0x00007ffff4d8a530 i965_drv_video.so`___lldb_unnamed_symbol185$$i965_drv_video.so + 160
    frame #10: 0x00007ffff4d9577e i965_drv_video.so`___lldb_unnamed_symbol231$$i965_drv_video.so + 10590
    frame #11: 0x00007ffff4dc6167 i965_drv_video.so`___lldb_unnamed_symbol431$$i965_drv_video.so + 5863
    frame #12: 0x00007ffff5cbad69 libva.so.2`vaEndPicture + 73
    frame #13: 0x00007ffff5d838a8 libgstvaapi.so`gst_vaapi_enc_picture_encode(picture=0x00007fffe00b2840) at gstvaapiencoder_objects.c:588:12
    frame #14: 0x00007ffff5d8465c libgstvaapi.so`gst_vaapi_encoder_vp9_encode(base_encoder=0x0000555555974060, picture=0x00007fffe00b2840, codedbuf=<unavailable>) at gstvaapiencoder_vp9.c:445:8
    frame #15: 0x00007ffff5d65e28 libgstvaapi.so`gst_vaapi_encoder_encode_and_queue(encoder=0x0000555555974060, picture=0x00007fffe00b2840) at gstvaapiencoder.c:497:12
    frame #16: 0x00007ffff5d67138 libgstvaapi.so`gst_vaapi_encoder_put_frame(encoder=0x0000555555974060, frame=<unavailable>) at gstvaapiencoder.c:548:14
    frame #17: 0x00007ffff5d37b76 libgstvaapi.so`gst_vaapiencode_handle_frame(venc=0x0000555555947030, frame=0x0000555555937880) at gstvaapiencode.c:692:12
    frame #18: 0x00007ffff5f86af5 libgstvideo-1.0.so.0`___lldb_unnamed_symbol452$$libgstvideo-1.0.so.0 + 1333
    frame #19: 0x00007ffff6362f14 libgstreamer-1.0.so.0`___lldb_unnamed_symbol498$$libgstreamer-1.0.so.0 + 2580
    frame #20: 0x00007ffff636378a libgstreamer-1.0.so.0`gst_pad_push + 42
    frame #21: 0x00007ffff5ef0381 libgstbase-1.0.so.0`___lldb_unnamed_symbol59$$libgstbase-1.0.so.0 + 465
    frame #22: 0x00007ffff6362f14 libgstreamer-1.0.so.0`___lldb_unnamed_symbol498$$libgstreamer-1.0.so.0 + 2580
    frame #23: 0x00007ffff636378a libgstreamer-1.0.so.0`gst_pad_push + 42
    frame #24: 0x00007ffff5efc00e libgstbase-1.0.so.0`___lldb_unnamed_symbol104$$libgstbase-1.0.so.0 + 3102
    frame #25: 0x00007ffff633c1d3 libgstreamer-1.0.so.0`___lldb_unnamed_symbol312$$libgstreamer-1.0.so.0 + 403
    frame #26: 0x00007ffff72a2df6 libglib-2.0.so.0`___lldb_unnamed_symbol185$$libglib-2.0.so.0 + 118
    frame #27: 0x00007ffff72a9f21 libglib-2.0.so.0`___lldb_unnamed_symbol204$$libglib-2.0.so.0 + 81
    frame #28: 0x00007ffff7f96a92 libpthread.so.0`start_thread + 242
    frame #29: 0x00007ffff7ec4cd3 libc.so.6`__GI___clone + 67