On Sat, Nov 18, 2023 at 07:44:05PM +0000, Edd Barrett wrote: > Hi, > > Updated my snapshot yesterday and games/xonotic has started crashing as the > game loads.
When it last worked, were you running Mesa 23.1 (snapshots since early November)? Did this start with LLVM 16 (last few days)? > > I can repro every time. Imply start a single player game. It will crash during > loading. I can reproduce this but only with xonotic, not other GL programs. radeondrm0 at pci1 dev 0 function 0 "ATI Mobility Radeon HD 3650" rev 0x00 radeondrm0: RV635 Program terminated with signal SIGSEGV, Segmentation fault. #0 0x000000ac34678904 in std::__1::__tree_is_left_child<std::__1::__tree_node_base<void*>*> (__x=0xabe72eef98) at /usr/include/c++/v1/__tree:83 83 return __x == __x->__parent_->__left_; (gdb) p __x->__parent_ $2 = (std::__1::__tree_node_base<void*>::__parent_pointer) 0xffffffff A related issue, we have that change: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7931 https://gitlab.freedesktop.org/mesa/mesa/-/commit/05fab97b2ce8ebd8420ded175101a0fa5110172c > > My graphics card (is old): > > vga1 at pci1 dev 0 function 0 "ATI Radeon HD 7470" rev 0x00 > > The amd64 snapshot: > > OpenBSD 7.4-current (GENERIC.MP) #1453: Fri Nov 17 13:58:02 MST 2023 > > By building a debug pkg of xonotic, and using a xenocara diff from tb@ to > build > xenocara without stripping libraries, I've managed to get the following > backtrace. > > Let me know if there's any other info that I could provide. > > Cheers > > #0 0x000004adc0fe88f4 in > std::__1::__tree_is_left_child<std::__1::__tree_node_base<void*>*> > (__x=0x4ae634544b8) > at /usr/include/c++/v1/__tree:83 > #1 > std::__1::__tree_next_iter<std::__1::__tree_end_node<std::__1::__tree_node_base<void*>*>*, > std::__1::__tree_node_base<void*>*> (__x=0x4ae634544b8) at > /usr/include/c++/v1/__tree:186 > #2 std::__1::__tree_const_iterator<r600::Instr*, > std::__1::__tree_node<r600::Instr*, void*>*, long>::operator++ ( > this=<optimized out>) at /usr/include/c++/v1/__tree:925 > #3 r600::CopyPropFwdVisitor::visit (this=0x7d16df2323f0, instr=<optimized > out>) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/sfn/sfn_optimizer.cpp:378 > #4 0x000004adc0fe9374 in r600::CopyPropFwdVisitor::visit > (this=0x7d16df2323f0, instr=<optimized out>) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/sfn/sfn_optimizer.cpp:631 > #5 0x000004adc0fe75c4 in r600::copy_propagation_fwd (shader=...) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/sfn/sfn_optimizer.cpp:304 > #6 0x000004adc0fe73ec in r600::optimize (shader=...) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/sfn/sfn_optimizer.cpp:59 > #7 0x000004adc0f90a9f in r600_shader_from_nir (rctx=0x4ae0c032000, > pipeshader=0x4ae4c73f000, key=0x7d16df232788) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/sfn/sfn_nir.cpp:999 > #8 0x000004adc103e700 in r600_pipe_shader_create (ctx=0x4ae0c032000, > shader=0x4ae4c73f000, key=...) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/r600_shader.c:231 > #9 0x000004adc1072de4 in r600_shader_select (ctx=0x4ae63454480, > sel=0x4adc64f2350, dirty=0x7d16df23283f, > precompile=<optimized out>) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/r600_state_common.c:967 > #10 0x000004adc107a330 in r600_create_shader_state (ctx=0x4ae0c032000, > state=<optimized out>, > pipe_shader_type=<optimized out>) > at > /usr/xenocara/lib/mesa/mk/libr600/../../src/gallium/drivers/r600/r600_state_common.c:1071 > #11 0x000004adc09d2bef in st_create_nir_shader (st=<optimized out>, > state=0x7d16df2328f8) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_program.c:551 > #12 0x000004adc09d38d9 in st_create_fp_variant (st=0x4ae249ca000, > fp=0x4add664a630, key=0x7d16df232c40) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_program.c:1071 > #13 st_get_fp_variant (st=0x4ae249ca000, fp=0x4add664a630, key=0x7d16df232c40) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_program.c:1116 > #14 0x000004adc09d419d in st_precompile_shader_variant (st=0x4ae249ca000, > prog=0x4add664a630) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_program.c:1303 > #15 st_finalize_program (st=0x4ae249ca000, prog=0x4add664a630) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_program.c:1365 > #16 0x000004adc08fed81 in st_link_nir (ctx=0x4ae0e0dc000, > shader_program=0x4adc5ae1cb0) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_glsl_to_nir.cpp:956 > #17 0x000004adc09cbe48 in link_shader (ctx=0x4ae0e0dc000, prog=0x4adc5ae1cb0) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_glsl_to_ir.cpp:91 > #18 st_link_shader (ctx=0x4ae0e0dc000, prog=0x4adc5ae1cb0) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/state_tracker/st_glsl_to_ir.cpp:106 > #19 0x000004adc09cae83 in _mesa_glsl_link_shader (ctx=0x4ae0e0dc000, > prog=0x4adc5ae1cb0) > at > /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/program/link_program.cpp:91 > #20 0x000004adc076b035 in link_program (shProg=0x4adc5ae1cb0, > no_error=<error reading variable: Cannot access memory at address 0x0>, > ctx=<optimized out>) > at /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/main/shaderapi.c:1332 > #21 link_program_error (ctx=0x4ae0e0dc000, shProg=0x4adc5ae1cb0) > at /usr/xenocara/lib/mesa/mk/libmesa/../../src/mesa/main/shaderapi.c:1443 > #22 0x000004abb40cb1be in GL_Backend_CompileProgram (vertexstrings_count=51, > vertexstrings_list=0x7d16df237090, > geometrystrings_count=<optimized out>, geometrystrings_list=<optimized > out>, fragmentstrings_count=51, > fragmentstrings_list=0x7d16df2373d0) at ../../../gl_backend.c:2761 > #23 0x000004abb40f9b78 in R_GLSL_CompilePermutation (p=0x4ae77e92a18, > mode=<optimized out>, permutation=8388608) > at ../../../gl_rmain.c:1196 > #24 0x000004abb40d9c5a in R_SetupShader_SetPermutationGLSL (mode=5, > permutation=8388608) > at ../../../gl_rmain.c:1408 > #25 0x000004abb40db417 in R_SetupShader_Surface (rtlightambient=0x4abb50a1690 > <vec3_origin>, > rtlightdiffuse=0x4abb50a1690 <vec3_origin>, rtlightspecular=0x4abb50a1690 > <vec3_origin>, > rsurfacepass=RSURFPASS_BASE, texturenumsurfaces=247, > texturesurfacelist=0x4adfad5a060, surfacewaterplane=0x0, > notrippy=false) at ../../../gl_rmain.c:2686 > #26 0x000004abb40f74e3 in R_DrawTextureSurfaceList_GL20 > (texturenumsurfaces=247, texturesurfacelist=0x4adfad5a060, > writedepth=true, prepass=false) at ../../../gl_rmain.c:10643 > #27 R_DrawModelTextureSurfaceList (texturenumsurfaces=247, > texturesurfacelist=0x4adfad5a060, writedepth=true, > prepass=false) at ../../../gl_rmain.c:11100 > #28 0x000004abb40f647c in R_ProcessModelTextureSurfaceList > (texturenumsurfaces=1665483904, > texturesurfacelist=0x4adfad5a060, writedepth=true, depthonly=false, > prepass=false) at ../../../gl_rmain.c:11288 > #29 R_QueueModelSurfaceList (ent=<optimized out>, numsurfaces=1320, > surfacelist=0x4adfad5a040, flagsmask=64, > writedepth=true, depthonly=false, prepass=false) at > ../../../gl_rmain.c:11349 > #30 R_DrawModelSurfaces (ent=<optimized out>, skysurfaces=<optimized out>, > writedepth=true, depthonly=false, > debug=<optimized out>, prepass=false) at ../../../gl_rmain.c:12426 > #31 0x000004abb40f0e0a in R_RenderScene (fbo=1, depthtexture=0x4aeaefb4380, > colortexture=0x4aeaefb4220) > at ../../../gl_rmain.c:7316 > #32 0x000004abb40ef33f in R_RenderView () at ../../../gl_rmain.c:7184 > #33 0x000004abb4061a11 in VM_CL_R_RenderScene (prog=0x4abb51df9c8 > <prvm_prog_list+379384>) > at ../../../clvm_cmds.c:3280 > #34 0x000004abb41cdece in CLVM_ExecuteProgram (prog=0x4abb51df9c8 > <prvm_prog_list+379384>, fnum=<optimized out>, > errormessage=<optimized out>) at ../../../prvm_execprogram.h:496 > #35 0x000004abb4087d11 in CL_VM_UpdateView (frametime=<optimized out>) at > ../../../csprogs.c:491 > #36 0x000004abb404f25f in SCR_DrawScreen () at ../../../cl_screen.c:2188 > #37 0x000004abb404d7e3 in CL_UpdateScreen () at ../../../cl_screen.c:2935 > #38 0x000004abb41109e9 in Host_Main () at ../../../host.c:1023 > #39 0x000004abb3fdac29 in main (argc=1, argv=0x7d16df239d68) at > ../../../sys_sdl.c:249 > > > -- > Best Regards > Edd Barrett > > https://www.theunixzoo.co.uk > >