| Priority | medium |
|---|---|
| Bug ID | 63632 |
| Assignee | dri-devel@lists.freedesktop.org |
| Summary | RS880 + mesa/llvm heads - segfault |
| Severity | normal |
| Classification | Unclassified |
| OS | Linux (All) |
| Reporter | adf.lists@gmail.com |
| Hardware | x86-64 (AMD64) |
| Status | NEW |
| Version | git |
| Component | Drivers/Gallium/r600 |
| Product | Mesa |
With current mesa and llvm heads I get a segfault running anything, R600_LLVM=0 is OK. Haven't had time to bisect what with the extra hassle of two trees with inter dependencies. I did find a recent working mesa on commit 1d6eb23f2dc1bb53636802cb698e6788ca0a26ac Author: Roland Scheidegger <sroland@vmware.com> Date: Mon Apr 15 03:57:23 2013 +0200 gallivm: fix small but severe bug in handling multiple lod level strides llvm on the commit before commit ef1762b6a1d3353790bdb415788e7d8963e70372 Author: Nico Rieck <nico.rieck@gmail.com> Date: Sun Apr 14 21:18:36 2013 +0000 Use object file specific section type for initial text section with llvm on that commit and mesa on above I get /mnt/sdb1/Src64/llvm/include/llvm/MC/MCStreamer.h:224: void llvm::MCStreamer::SwitchSection(const llvm::MCSection*): Assertion `Section && "Cannot switch to a null section!"' failed With both on head I segfault Program received signal SIGSEGV, Segmentation fault. 0x00007ffff1e9b68c in r600_bytecode_from_byte_stream (num_bytes=0, bytes=0x0, ctx=0x7fffffffc670) at r600_shader.c:593 593 ctx->bc->nstack = bytes[bytes_read++]; (gdb) bt #0 0x00007ffff1e9b68c in r600_bytecode_from_byte_stream (num_bytes=0, bytes=0x0, ctx=0x7fffffffc670) at r600_shader.c:593 #1 r600_shader_from_tgsi (rscreen=0x634630, pipeshader=0x61da70, key=...) at r600_shader.c:1558 #2 0x00007ffff1e9dd73 in r600_pipe_shader_create (ctx=0x6478f0, shader=0x61da70, key=...) at r600_shader.c:132 #3 0x00007ffff1eb06db in r600_shader_select (ctx=0x6478f0, sel=0x61d910, dirty=0x0) at r600_state_common.c:747 #4 0x00007ffff1eb0876 in r600_create_shader_state (ctx=0x6478f0, pipe_shader_type=0, state=<optimized out>) at r600_state_common.c:794 #5 0x00007ffff1dc2f16 in ureg_create_shader (ureg=0x618fa0, pipe=0x6478f0, so=0x0) at tgsi/tgsi_ureg.c:1701 #6 0x00007ffff1de8172 in ureg_create_shader_with_so_and_destroy (so=0x0, pipe=0x6478f0, p=0x618fa0) at ./tgsi/tgsi_ureg.h:131 #7 util_make_vertex_passthrough_shader_with_so (pipe=0x6478f0, num_attribs=2, semantic_names=0x7fffffffdd70, semantic_indexes=0x7fffffffdd80, so=0x0) at util/u_simple_shaders.c:98 #8 0x00007ffff1dcf4a6 in util_blitter_create (pipe=0x6478f0) at util/u_blitter.c:301 #9 0x00007ffff1e8e59c in r600_create_context (screen=0x634630, priv=0x0) at r600_pipe.c:466 #10 0x00007ffff1cf7a56 in st_api_create_context (stapi=<optimized out>, smapi=0x633e60, attribs=0x7fffffffdee0, error=0x7fffffffdf0c, shared_stctxi=0x0) at ../../src/mesa/state_tracker/st_manager.c:633 #11 0x00007ffff1ebdbf3 in dri_create_context (api=<optimized out>, visual=0x6388e0, cPriv=<optimized out>, major_version=<optimized out>, minor_version=<optimized out>, flags=<optimized out>, error=0x7fffffffdfdc, sharedContextPrivate=0x0) at dri_context.c:122 #12 0x00007ffff1bc36aa in dri2CreateContextAttribs (screen=0x633ca0, api=<optimized out>, config=0x6388e0, shared=<optimized out>, num_attribs=<optimized out>, attribs=<optimized out>, error=0x7fffffffdfdc, data="" at ../../../../src/mesa/drivers/dri/common/dri_util.c:288 #13 0x00007ffff1bc37dd in dri2CreateNewContextForAPI (screen=<optimized out>, api=<optimized out>, config=<optimized out>, shared=<optimized out>, data="" out>) at ../../../../src/mesa/drivers/dri/common/dri_util.c:306 #14 0x00007ffff716dd88 in dri2_create_context (base=0x617290, config_base=0x642ac0, shareList=<optimized out>, renderType=<optimized out>) at dri2_glx.c:230 #15 0x00007ffff7142b8e in CreateContext (dpy=0x604050, generic_id=185, config=0x642ac0, shareList_user=0x0, allowDirect=<optimized out>, code=24, renderType=32788, screen=0) at glxcmds.c:274 #16 0x00007ffff7142dba in glXCreateNewContext (dpy=<optimized out>, fbconfig=<optimized out>, renderType=<optimized out>, shareList=<optimized out>, allowDirect=<optimized out>) at glxcmds.c:1591 #17 0x00007ffff73cdf61 in fghCreateNewContext (window=<optimized out>) at freeglut_window.c:458 #18 0x00007ffff73ce81b in fgOpenWindow (window=0x6139e0, title=0x402f20 "Gears", positionUse=0 '\000', x=-1, y=-1, sizeUse=1 '\001', w=300, h=300, gameMode=0 '\000', isSubWindow=0 '\000') at freeglut_window.c:1228 #19 0x00007ffff73cd182 in fgCreateWindow (parent=0x0, title=0x402f20 "Gears", positionUse=0 '\000', x=-1, y=-1, sizeUse=1 '\001', w=300, h=300, gameMode=0 '\000', isMenu=0 '\000') at freeglut_structure.c:108 #20 0x00007ffff73cea12 in glutCreateWindow (title=0x402f20 "Gears") at freeglut_window.c:1583 #21 0x0000000000401553 in main (argc=1, argv=0x7fffffffe568) at gears.c:391
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