Can anyone help me on this? CRASH error: si_signo=Segmentation fault: 11(11), si_code=SEGV_ACCERR(2), si_addr=0x17

[chenrq2005]

(base) ~/xyz/referece_repos/llama_cpp_dart/example/ [main*] dart run chat.dart
llama_model_loader: loaded meta data with 23 key-value pairs and 201 tensors from /xyz/llama.cpp/models/tinyllama-1.1b-chat-v1.0.Q4_0.gguf (version GGUF V3 (latest))
llama_model_loader: Dumping metadata keys/values. Note: KV overrides do not apply in this output.
llama_model_loader: - kv 0: general.architecture str = llama
llama_model_loader: - kv 1: general.name str = tinyllama_tinyllama-1.1b-chat-v1.0
llama_model_loader: - kv 2: llama.context_length u32 = 2048
llama_model_loader: - kv 3: llama.embedding_length u32 = 2048
llama_model_loader: - kv 4: llama.block_count u32 = 22
llama_model_loader: - kv 5: llama.feed_forward_length u32 = 5632
llama_model_loader: - kv 6: llama.rope.dimension_count u32 = 64
llama_model_loader: - kv 7: llama.attention.head_count u32 = 32
llama_model_loader: - kv 8: llama.attention.head_count_kv u32 = 4
llama_model_loader: - kv 9: llama.attention.layer_norm_rms_epsilon f32 = 0.000010
llama_model_loader: - kv 10: llama.rope.freq_base f32 = 10000.000000
llama_model_loader: - kv 11: general.file_type u32 = 2
llama_model_loader: - kv 12: tokenizer.ggml.model str = llama
llama_model_loader: - kv 13: tokenizer.ggml.tokens arr[str,32000] = ["", "", "", "<0x00>", "<...
llama_model_loader: - kv 14: tokenizer.ggml.scores arr[f32,32000] = [0.000000, 0.000000, 0.000000, 0.0000...
llama_model_loader: - kv 15: tokenizer.ggml.token_type arr[i32,32000] = [2, 3, 3, 6, 6, 6, 6, 6, 6, 6, 6, 6, ...
llama_model_loader: - kv 16: tokenizer.ggml.merges arr[str,61249] = ["▁ t", "e r", "i n", "▁ a", "e n...
llama_model_loader: - kv 17: tokenizer.ggml.bos_token_id u32 = 1
llama_model_loader: - kv 18: tokenizer.ggml.eos_token_id u32 = 2
llama_model_loader: - kv 19: tokenizer.ggml.unknown_token_id u32 = 0
llama_model_loader: - kv 20: tokenizer.ggml.padding_token_id u32 = 2
llama_model_loader: - kv 21: tokenizer.chat_template str = {% for message in messages %}\n{% if m...
llama_model_loader: - kv 22: general.quantization_version u32 = 2
llama_model_loader: - type f32: 45 tensors
llama_model_loader: - type q4_0: 155 tensors
llama_model_loader: - type q6_K: 1 tensors
llm_load_vocab: special tokens definition check successful ( 259/32000 ).
llm_load_print_meta: format = GGUF V3 (latest)
llm_load_print_meta: arch = llama
llm_load_print_meta: vocab type = SPM
llm_load_print_meta: n_vocab = 32000
llm_load_print_meta: n_merges = 0
llm_load_print_meta: n_ctx_train = 2048
llm_load_print_meta: n_embd = 2048
llm_load_print_meta: n_head = 32
llm_load_print_meta: n_head_kv = 4
llm_load_print_meta: n_layer = 22
llm_load_print_meta: n_rot = 64
llm_load_print_meta: n_embd_head_k = 64
llm_load_print_meta: n_embd_head_v = 64
llm_load_print_meta: n_gqa = 8
llm_load_print_meta: n_embd_k_gqa = 256
llm_load_print_meta: n_embd_v_gqa = 256
llm_load_print_meta: f_norm_eps = 0.0e+00
llm_load_print_meta: f_norm_rms_eps = 1.0e-05
llm_load_print_meta: f_clamp_kqv = 0.0e+00
llm_load_print_meta: f_max_alibi_bias = 0.0e+00
llm_load_print_meta: n_ff = 5632
llm_load_print_meta: n_expert = 0
llm_load_print_meta: n_expert_used = 0
llm_load_print_meta: pooling type = 0
llm_load_print_meta: rope type = 0
llm_load_print_meta: rope scaling = linear
llm_load_print_meta: freq_base_train = 10000.0
llm_load_print_meta: freq_scale_train = 1
llm_load_print_meta: n_yarn_orig_ctx = 2048
llm_load_print_meta: rope_finetuned = unknown
llm_load_print_meta: ssm_d_conv = 0
llm_load_print_meta: ssm_d_inner = 0
llm_load_print_meta: ssm_d_state = 0
llm_load_print_meta: ssm_dt_rank = 0
llm_load_print_meta: model type = 1B
llm_load_print_meta: model ftype = Q4_0
llm_load_print_meta: model params = 1.10 B
llm_load_print_meta: model size = 606.53 MiB (4.63 BPW)
llm_load_print_meta: general.name = tinyllama_tinyllama-1.1b-chat-v1.0
llm_load_print_meta: BOS token = 1 ''
llm_load_print_meta: EOS token = 2 ''
llm_load_print_meta: UNK token = 0 ''
llm_load_print_meta: PAD token = 2 ''
llm_load_print_meta: LF token = 13 '<0x0A>'
llm_load_tensors: ggml ctx size = 0.15 MiB
ggml_backend_metal_buffer_from_ptr: allocated buffer, size = 606.55 MiB, ( 606.61 / 10922.67)
llm_load_tensors: offloading 22 repeating layers to GPU
llm_load_tensors: offloading non-repeating layers to GPU
llm_load_tensors: offloaded 23/23 layers to GPU
llm_load_tensors: CPU buffer size = 35.16 MiB
llm_load_tensors: Metal buffer size = 606.53 MiB
.....................................................................................

===== CRASH =====
si_signo=Segmentation fault: 11(11), si_code=SEGV_ACCERR(2), si_addr=0x17
version=3.3.0 (stable) (Tue Feb 13 10:25:19 2024 +0000) on "macos_arm64"
pid=62287, thread=11011, isolate_group=main(0x143848600), isolate=main(0x14384ca00)
os=macos, arch=arm64, comp=no, sim=no
isolate_instructions=1024c8f80, vm_instructions=1024c8f80
fp=16e0d22c0, sp=16dfef000, pc=1052e76a4
pc 0x00000001052e76a4 fp 0x000000016e0d22c0 [Optimized] llama_cpp.init:_llama_context_default_params@32190180.#ffiClosure523+0x114
-- End of DumpStackTrace
[1] 62287 abort dart run chat.dart

[netdur]

two things, make sure to build last version of llama.cpp
if you are testing chat.dart --- there is small issue of context length being set but not the batch, you may get crash on longer text than 512 so make sure to set batch length