| Summary: | NIR segfaults after spirv-opt | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | maister |
| Component: | Drivers/Vulkan/Common | Assignee: | mesa-dev |
| Status: | RESOLVED FIXED | QA Contact: | |
| Severity: | normal | ||
| Priority: | medium | CC: | airlied, chadversary, daniel, jason |
| Version: | git | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: | Repro dump | ||
n->next is NULL here. Does https://patchwork.freedesktop.org/patch/238923/ fix this? Yes, doesn't segfault now. Seems to work as expected. The patch for this was merged, this should be fixed. |
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Created attachment 140687 [details] Repro dump I get a segfault when trying to compile a compute SPIR-V with a particular pattern. Repro: git clone git://github.com/Themaister/Fossilize cd Fossilize git submodule update --init mkdir build cd build cmake .. make -j8 ./cli/fossilize-replay fossilize.json # Disasm ./cli/fossilize-disasm /tmp/fossilize.json --compute-pipeline 2 --target glsl ./cli/fossilize-disasm /tmp/fossilize.json --compute-pipeline 2 --target asm Backtrace: Fossilize INFO: Creating render pass #0 Fossilize INFO: ... Succeeded! Fossilize INFO: Creating compute pipeline #0 Fossilize INFO: ... Succeeded! Fossilize INFO: Creating compute pipeline #1 Fossilize INFO: ... Succeeded! Fossilize INFO: Creating compute pipeline #2 Thread 1 "fossilize-repla" received signal SIGSEGV, Segmentation fault. 0x00007ffff66ed5e0 in exec_node_insert_after (n=0x555556a6eb10, after=0x555556a531d0) at ../../src/compiler/glsl/list.h:164 164 n->next->prev = after; (gdb) bt #0 0x00007ffff66ed5e0 in exec_node_insert_after (n=0x555556a6eb10, after=0x555556a531d0) at ../../src/compiler/glsl/list.h:164 #1 0x00007ffff66ee77a in split_block_end (block=0x555556a6eb10) at nir/nir_control_flow.c:340 #2 0x00007ffff66ee8ca in split_block_cursor (cursor=..., _before=0x7fffffffd158, _after=0x7fffffffd160) at nir/nir_control_flow.c:392 #3 0x00007ffff66ef39b in nir_cf_reinsert (cf_list=0x7fffffffd270, cursor=...) at nir/nir_control_flow.c:716 #4 0x00007ffff67219e6 in opt_peel_loop_initial_if (loop=0x5555569dbe60) at nir/nir_opt_if.c:198 #5 0x00007ffff672207d in opt_if_cf_list (b=0x7fffffffd330, cf_list=0x5555569890f8) at nir/nir_opt_if.c:372 #6 0x00007ffff6722121 in nir_opt_if (shader=0x5555569d29a0) at nir/nir_opt_if.c:396 #7 0x00007ffff666857b in radv_optimize_nir (shader=0x5555569d29a0, optimize_conservatively=false) at radv_shader.c:143 #8 0x00007ffff666a250 in radv_shader_compile_to_nir (device=0x555555a4c940, module=0x555556a68860, entrypoint_name=0x555556ab7ad0 "main", stage=MESA_SHADER_COMPUTE, spec_info=0x0, flags=0) at radv_shader.c:318 #9 0x00007ffff6660e9d in radv_create_shaders (pipeline=0x5555569f60a0, device=0x555555a4c940, cache=0x0, key=..., pStages=0x7fffffffde80, flags=0) at radv_pipeline.c:2025 #10 0x00007ffff6665160 in radv_compute_pipeline_create (_device=0x555555a4c940, _cache=0x0, pCreateInfo=0x555556ab7a50, pAllocator=0x0, pPipeline=0x55555686de20) at radv_pipeline.c:3639 #11 0x00007ffff66652e5 in radv_CreateComputePipelines (_device=0x555555a4c940, pipelineCache=0x0, count=1, pCreateInfos=0x555556ab7a50, pAllocator=0x0, pPipelines=0x55555686de20) at radv_pipeline.c:3669 #12 0x0000555555557f0d in DumbReplayer::enqueue_create_compute_pipeline(unsigned long, unsigned int, VkComputePipelineCreateInfo const*, VkPipeline_T**) () #13 0x0000555555564cfb in Fossilize::StateReplayer::Impl::parse_compute_pipelines(Fossilize::StateCreatorInterface&, rapidjson::GenericValue<rapidjson::UTF8<char>, rapidjson::MemoryPoolAllocator<rapidjson::CrtAllocator> > const&) () #14 0x0000555555573452 in Fossilize::StateReplayer::Impl::parse(Fossilize::StateCreatorInterface&, void const*, unsigned long) () #15 0x0000555555556530 in main ()