| Summary: | [i965] SIGSEGV ir_hv_accept.cpp:45 | ||
|---|---|---|---|
| Product: | Mesa | Reporter: | Vinson Lee <vlee> |
| Component: | Mesa core | Assignee: | Ian Romanick <idr> |
| Status: | CLOSED FIXED | QA Contact: | |
| Severity: | critical | ||
| Priority: | medium | CC: | brianp, eric, wallbraker |
| Version: | git | ||
| Hardware: | x86 (IA32) | ||
| OS: | Linux (All) | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Bug Depends on: | |||
| Bug Blocks: | 30124 | ||
This sounds like a build problem. The place where it's crashing is very, very early in the compiler boot-strap process. It's trying to generate IR and function prototypes for the built-in functions. This should either work on every driver or crash on every driver. Can you set a breakpoint at builtin_function.cpp, line 16807 and 'print *sh'? (In reply to comment #1) > This sounds like a build problem. The place where it's crashing is very, very > early in the compiler boot-strap process. It's trying to generate IR and > function prototypes for the built-in functions. This should either work on > every driver or crash on every driver. The i965 driver was built via './autogen.sh --prefix=/usr --enable-debug'. Then libGL.so.1.2 was copied to /usr/lib/mesa and i965_dri.so to /usr/lib/dri. swrast and softpipe were built with 'make linux-x86-debug'. (In reply to comment #1) > Can you set a breakpoint at builtin_function.cpp, line 16807 and 'print *sh'? Breakpoint 1, _mesa_glsl_initialize_functions (instructions=0xd2864b8, state=0xd285f10) at builtin_function.cpp:16808 16808 state); (gdb) print *sh $1 = {Type = 35633, Name = 0, RefCount = 1, DeletePending = 0 '\000', CompileStatus = 0 '\000', Main = 0 '\000', UnresolvedRefs = 0 '\000', Source = 0x0, SourceChecksum = 0, Program = 0x0, InfoLog = 0x0, Pragmas = {IgnoreOptimize = 0 '\000', IgnoreDebug = 0 '\000', Optimize = 0 '\000', Debug = 0 '\000'}, Version = 0, ir = 0xd28fcb8, symbols = 0xd28d8f8, builtins_to_link = {0x0 <repeats 16 times>}, num_builtins_to_link = 0} (gdb) bt full #0 _mesa_glsl_initialize_functions (instructions=0xd2864b8, state=0xd285f10) at builtin_function.cpp:16808 sh = 0xd28d768 #1 0x02cd7815 in _mesa_ast_to_hir (instructions=0xd2864b8, state=0xd285f10) at ast_to_hir.cpp:63 No locals. #2 0x02ccef1f in _mesa_glsl_compile_shader (ctx=0xce83ca0, shader=0xd2853e0) at program/ir_to_mesa.cpp:2701 source = 0xd297c38 "void main(void) {gl_Position = gl_Vertex;gl_TexCoord[0] = gl_MultiTexCoord0;}\n" #3 0x02c0a535 in compile_shader (shaderObj=2) at main/shaderapi.c:803 sh = 0xd28d768 #4 _mesa_CompileShaderARB (shaderObj=2) at main/shaderapi.c:1091 No locals. Could you see if this commit fixes this bug? commit f69a6647fbd5e7cf4406fcc877ff78b507344073 Author: Ian Romanick <ian.d.romanick@intel.com> Date: Wed Sep 8 17:13:00 2010 -0700 glsl2: Clear out profile pointers in _mesa_glsl_release_functions Otherwise builtin_profiles contains dangling pointers the next time _mesa_read_profile is called. I suspect this may fix bugzilla #29847, but I was never able to reproduce it. mesa: e7eff0cfcef5c549678779e3c1def950feae4fb9 (master) Verified fixed. |
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System environment: -- chipset: Intel GMA X3100 -- system architecture: i686 -- xserver-xorg-video-intel: 2:2.12.0-1ubuntu3 -- xserver-common: 2:1.9.0-0ubuntu1 -- xserver-xorg: 1:7.5+6ubuntu3 -- mesa: c7adb4ff1e7183d476680617d130b7dfed80d6c0 (master) -- libdrm: 2.4.21 -- kernel version: 2.6.35-6-generic -- Linux distribution: Ubuntu 10.10 -- Machine model: Macbook3,1 Power on any virtual machine with VMware Player or VMware Workstation. A crash occurs immediately in the GLSL parser. The crash does not occur with swrast or softpipe. (gdb) bt full #0 0x01a23094 in visit_list_elements (v=0x1815420, l=0x0) at ir_hv_accept.cpp:45 n = <value optimized out> __next = <value optimized out> prev_base_ir = 0x0 #1 0x01a23074 in ir_hierarchical_visitor::run (this=0x1815420, instructions=0x0) at ir_hierarchical_visitor.cpp:281 No locals. #2 0x01a247e6 in import_prototypes (source=0x0, dest=0xc917b18, symbols=0xc44d0f8, mem_ctx=0xc4782a0) at ir_import_prototypes.cpp:137 v = {<ir_hierarchical_visitor> = {_vptr.ir_hierarchical_visitor = 0x1b50008, base_ir = 0x0, callback = 0, data = 0x0}, list = 0xc917b18, function = 0x0, symbols = 0xc44d0f8, mem_ctx = 0xc4782a0} #3 0x01a01c88 in _mesa_glsl_initialize_functions (instructions=0xc917b18, state=0xc4782a0) at builtin_function.cpp:16808 sh = 0xc860810 #4 0x019fc815 in _mesa_ast_to_hir (instructions=0xc917b18, state=0xc4782a0) at ast_to_hir.cpp:63 No locals. #5 0x019f3f1f in _mesa_glsl_compile_shader (ctx=0xcace108, shader=0xc4781d0) at program/ir_to_mesa.cpp:2701 source = 0xcb81bb8 "void main(void) {gl_Position = gl_Vertex;gl_TexCoord[0] = gl_MultiTexCoord0;}\n" #6 0x0192f535 in compile_shader (shaderObj=2) at main/shaderapi.c:803 sh = 0x0 #7 _mesa_CompileShaderARB (shaderObj=2) at main/shaderapi.c:1091 No locals. (gdb) frame 0 #0 0x01a23094 in visit_list_elements (v=0x1815420, l=0x0) at ir_hv_accept.cpp:45 45 foreach_list_safe(n, l) { (gdb) l 40 ir_visitor_status 41 visit_list_elements(ir_hierarchical_visitor *v, exec_list *l) 42 { 43 ir_instruction *prev_base_ir = v->base_ir; 44 45 foreach_list_safe(n, l) { 46 ir_instruction *const ir = (ir_instruction *) n; 47 v->base_ir = ir; 48 ir_visitor_status s = ir->accept(v); 49 (gdb) print l $3 = (exec_list *) 0x0