<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - vkUpdateDescriptorSets causes SIGSEGV" href="https://bugs.freedesktop.org/show_bug.cgi?id=99796#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - vkUpdateDescriptorSets causes SIGSEGV" href="https://bugs.freedesktop.org/show_bug.cgi?id=99796">bug 99796</a> from <a class="email" href="mailto:miwait00@web.de" title="MW <miwait00@web.de>"> MW</a> <pre>I got a (In reply to Jason Ekstrand from <a href="show_bug.cgi?id=99796#c6">comment #6</a>) > (In reply to MW from <a href="show_bug.cgi?id=99796#c5">comment #5</a>) > > Turns out, I actually screwed up with the validation layers and close to > > nothing was logged, so the errors is: > > > > ERROR: [139684814067950] Code 937 : vkUpdateDescriptorsSets() failed write > > update validation for Descriptor Set 0x38 with error: Attempting write > > update to descriptor set 0x38 binding #0 with type > > VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER but update type is > > VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER. For more information refer to Vulkan Spec > > Section '13.2.4. Descriptor Set Updates' which states 'descriptorType must > > match the type of dstBinding within dstSet' > > (<a href="https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec">https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec</a>. > > html#VkWriteDescriptorSet) > > That sounds very much like the kind of thing that would cause a segfault on > our driver. > > > Which is quite bizarre since it works on nvidia - but I'll look into it. > > They implement descriptor sets differently. Since you are there, I got a "new" issue. Seems to be a shader compiler failure? "Fehler beim lesen der Variable": "Error while reading the variable" Thread 2 "java" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fa2472b3700 (LWP 23119)] 0x00007fa21d4a2b31 in brw::vec4_visitor::nir_emit_intrinsic (this=<optimized out>, instr=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:462 462 ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp: Datei oder Verzeichnis nicht gefunden. (gdb) backtrace #0 0x00007fa21d4a2b31 in brw::vec4_visitor::nir_emit_intrinsic (this=<optimized out>, instr=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:462 #1 0x00007fa21d499be8 in brw::vec4_visitor::nir_emit_block (this=<optimized out>, block=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:215 #2 0x00007fa21d499b76 in brw::vec4_visitor::nir_emit_cf_list (this=<optimized out>, list=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:170 #3 0x00007fa21d499af8 in brw::vec4_visitor::nir_emit_impl (this=<optimized out>, impl=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:152 #4 0x00007fa21d499586 in brw::vec4_visitor::emit_nir_code (this=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4_nir.cpp:47 #5 0x00007fa21d489930 in brw::vec4_visitor::run (this=<optimized out>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4.cpp:2552 #6 0x00007fa21d489ba0 in brw_compile_vs (compiler=<optimized out>, log_data=<optimized out>, mem_ctx=<optimized out>, key=<optimized out>, prog_data=<optimized out>, src_shader=<optimized out>, clip_planes=<Fehler beim Lesen der Variable: Could not find the frame base for "brw_compile_vs(brw_compiler const*, void*, void*, brw_vs_prog_key const*, brw_vs_prog_data*, nir_shader const*, gl_clip_plane*, bool, int, unsigned int*, char**)".>, use_legacy_snorm_formula=<Fehler beim Lesen der Variable: Could not find the frame base for "brw_compile_vs(brw_compiler const*, void*, void*, brw_vs_prog_key const*, brw_vs_prog_data*, nir_shader const*, gl_clip_plane*, bool, int, unsigned int*, char**)".>, shader_time_index=<Fehler beim Lesen der Variable: Could not find the frame base for "brw_compile_vs(brw_compiler const*, void*, void*, brw_vs_prog_key const*, brw_vs_prog_data*, nir_shader const*, gl_clip_plane*, bool, int, unsigned int*, char**)".>, final_assembly_size=<Fehler beim Lesen der Variable: Could not find the frame base for "brw_compile_vs(brw_compiler const*, void*, void*, brw_vs_prog_key const*, brw_vs_prog_data*, nir_shader const*, gl_clip_plane*, bool, int, unsigned int*, char**)".>, error_str=<Fehler beim Lesen der Variable: Could not find the frame base for "brw_compile_vs(brw_compiler const*, void*, void*, brw_vs_prog_key const*, brw_vs_prog_data*, nir_shader const*, gl_clip_plane*, bool, int, unsigned int*, char**)".>) at ../../../../../../../src/mesa/drivers/dri/i965/brw_vec4.cpp:2835 #7 0x00007fa21d3e392e in anv_pipeline_compile_vs (pipeline=0x7fa21f364000, cache=0x7fa21f23f040, module=<optimized out>, entrypoint=<optimized out>, spec_info=<optimized out>, info=<optimized out>) at ../../../../../src/intel/vulkan/anv_pipeline.c:484 #8 0x00007fa21d3e4b0a in anv_pipeline_init (pipeline=0x7fa21f364000, device=0x7fa21f3f9000, cache=<optimized out>, pCreateInfo=0x7fa240799b48, alloc=0x7fa21f3f9008) at ../../../../../src/intel/vulkan/anv_pipeline.c:1216 #9 0x00007fa21d579c5b in gen7_CreateGraphicsPipelines (_device=0x7fa21f3f9000, pipelineCache=0x7fa21f23f040, count=1, pCreateInfos=<optimized out>, pAllocator=0x0, pPipelines=0x7fa240362ce0) at ../../../../../src/intel/vulkan/genX_pipeline.c:1465 #10 0x00007fa209b95e0a in unique_objects::CreateGraphicsPipelines(VkDevice_T*, VkPipelineCache_T*, unsigned int, VkGraphicsPipelineCreateInfo const*, VkAllocationCallbacks const*, VkPipeline_T**) () from /share/home/michael/projects/java.vulkan/vulkan_layers/./libVkLayer_unique_objects.so #11 0x00007fa208f85e9c in core_validation::CreateGraphicsPipelines(VkDevice_T*, VkPipelineCache_T*, unsigned int, VkGraphicsPipelineCreateInfo const*, VkAllocationCallbacks const*, VkPipeline_T**) () from /share/home/michael/projects/java.vulkan/vulkan_layers/./libVkLayer_core_validation.so #12 0x00007fa208864a29 in object_tracker::CreateGraphicsPipelines(VkDevice_T*, VkPipelineCache_T*, unsigned int, VkGraphicsPipelineCreateInfo const*, VkAllocationCallbacks const*, VkPipeline_T**) () from /share/home/michael/projects/java.vulkan/vulkan_layers/./libVkLayer_object_tracker.so #13 0x00007fa2085006ed in parameter_validation::CreateGraphicsPipelines(VkDevice_T*, VkPipelineCache_T*, unsigned int, VkGraphicsPipelineCreateInfo const*, VkAllocationCallbacks const*, VkPipeline_T**) () from /share/home/michael/projects/java.vulkan/vulkan_layers/./libVkLayer_parameter_validation.so #14 0x00007fa208202c0e in threading::CreateGraphicsPipelines(VkDevice_T*, VkPipelineCache_T*, unsigned int, VkGraphicsPipelineCreateInfo const*, VkAllocationCallbacks const*, VkPipeline_T**) () from /share/home/michael/projects/java.vulkan/vulkan_layers/./libVkLayer_threading.so Since it states "brw_compile_vs", the vertex shader looks like that: #version 450 #extension GL_ARB_separate_shader_objects : enable layout(binding = 1) uniform UniformBufferObject { float surfaceWidth; float surfaceHeight; // float scale; } ubo; layout(push_constant) uniform PushConstants { int flagsPos; int flagsPass; float postOffsetX; float postOffsetY; mat4 modelView; vec4 color; } push; layout(location = 0) in vec3 in_Position; layout(location = 1) in vec2 in_TextureCrd; layout(location = 0 ) out vec2 pass_TextureCrd; layout(location = 1000) out vec4 pass_Color; const int FLAG_POS_ABS = 0x1; const int FLAG_PASS_TXT = 0x1; const int FLAG_PASS_CLR = 0x2; const int FLAG_PASS_PUSH_CLR = 0x4; void main(void) { vec4 pos = push.modelView * vec4(in_Position, 1.0f); gl_Position.z = pos.z; // [0;width] to [-1;1] and [0;height] to [-1;1] if ((push.flagsPos & FLAG_POS_ABS) != 0) { gl_Position.x = pos.x / (.5f * ubo.surfaceWidth ) + push.postOffsetX; gl_Position.y = pos.y / (.5f * ubo.surfaceHeight) + push.postOffsetY; } else { gl_Position.x = pos.x + push.postOffsetX; gl_Position.y = pos.y + push.postOffsetY; } // parameters to pass along pass_TextureCrd = in_TextureCrd; pass_Color = push.color; } I am about to test it with a simpler shader, but desktop ~ laptop sync is slow atm :/</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>