ggml_vulkan: Found 1 Vulkan devices:
ggml_vulkan: 0 = Radeon 8060S Graphics (AMD open-source driver) | uma: 1 | fp16: 1 | bf16: 0 | warp size: 64 | shared memory: 32768 | int dot: 1 | matrix cores: KHR_coopmat
/lib64/libggml-base.so.0(+0x4465) [0x7fa1d7fcc465]
/lib64/libggml-base.so.0(ggml_print_backtrace+0x1eb) [0x7fa1d7fcc83b]
/lib64/libggml-base.so.0(+0x16f19) [0x7fa1d7fdef19]
/lib64/libstdc++.so.6(+0x1ebfc) [0x7fa1d7d6fbfc]
/lib64/libstdc++.so.6(_ZSt10unexpectedv+0x0) [0x7fa1d7d59d3a]
/lib64/libstdc++.so.6(+0x1eea8) [0x7fa1d7d6fea8]
/lib64/libggml-vulkan.so.0(+0x1728d) [0x7fa1d80a128d]
/lib64/libggml-vulkan.so.0(+0x10a410) [0x7fa1d8194410]
/lib64/libggml-base.so.0(ggml_backend_sched_graph_compute_async+0x3b2) [0x7fa1d7fe8192]
/lib64/libllama.so.0(_ZN13llama_context13graph_computeEP11ggml_cgraphb+0xa0) [0x7fa1dbc56c70]
/lib64/libllama.so.0(_ZN13llama_context14process_ubatchERK12llama_ubatch14llm_graph_typeP22llama_memory_context_iR11ggml_status+0xe5) [0x7fa1dbc59255]
/lib64/libllama.so.0(_ZN13llama_context6decodeERK11llama_batch+0x35f) [0x7fa1dbc5f98f]
/lib64/libllama.so.0(llama_decode+0xe) [0x7fa1dbc6132e]
/usr/sbin/llama-bench() [0x40663b]
/usr/sbin/llama-bench() [0x4038b9]
/lib64/libc.so.6(+0x35b5) [0x7fa1d7a405b5]
/lib64/libc.so.6(__libc_start_main+0x88) [0x7fa1d7a40668]
/usr/sbin/llama-bench() [0x404e65]
terminate called after throwing an instance of 'vk::DeviceLostError'
  what():  vk::Queue::submit: ErrorDeviceLost
✖ ! [vulkan_amdvlk] gemma-4-31B-it-BF16-00001-of-00002__fa1 __longctx65536 failed (exit 0)