[Bug 66331] WebGL water demo crashes LLVM

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66331

--- Comment #1 from Dieter Nützel <Dieter at nuetzel-hh.de> ---
With current Mesa CVS (10.0.0! ;-) on RV730 AGP I get this,too.

Pure LLVM (3.3 stable) bug, NOT sb.

setenv R600_DEBUG nollvm
Works OK.

Nice link, Grigori!

Application: konqueror (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.5
Operating System: Linux 3.12.0-rc3-1-desktop i686
Distribution: "openSUSE 12.3 (i586)"

-- Backtrace:
Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb4948740 (LWP 31205))]

[-]
Thread 1 (Thread 0xb4948740 (LWP 31205)):
[KCrash Handler]
#5  getInterval (Idx=..., this=<optimized out>, instr=0xb9f03d8, Reg=<optimized
out>, this=<optimized out>, this=<optimized out>, LI=0x0, this=<optimized out>,
Reg=<optimized out>) at
/usr/src/debug/llvm-3.3/include/llvm/CodeGen/LiveIntervalAnalysis.h:184
#6  llvm::ScheduleDAGInstrs::addVRegUseDeps (this=0x0, SU=0xffffffff,
OperIdx=<optimized out>) at
/usr/src/debug/llvm-3.3/lib/CodeGen/ScheduleDAGInstrs.cpp:414
#7  0xaac05890 in llvm::ScheduleDAGInstrs::buildSchedGraph (this=0xb9dd2c0,
AA=<optimized out>, RPTracker=0x800) at
/usr/src/debug/llvm-3.3/lib/CodeGen/ScheduleDAGInstrs.cpp:776
#8  0xaab364dc in llvm::DefaultVLIWScheduler::schedule (this=0xb9dd2c0) at
/usr/src/debug/llvm-3.3/lib/CodeGen/DFAPacketizer.cpp:124
#9  0xaab367c9 in llvm::VLIWPacketizerList::PacketizeMIs (this=0xbf8abf58,
MBB=<optimized out>, BeginItr=..., EndItr=...) at
/usr/src/debug/llvm-3.3/lib/CodeGen/DFAPacketizer.cpp:164
#10 0xab228426 in llvm::R600Packetizer::runOnMachineFunction (this=<optimized
out>, Fn=...) at /usr/src/debug/llvm-3.3/lib/Target/R600/R600Packetizer.cpp:444
#11 0xaab98bb5 in llvm::MachineFunctionPass::runOnFunction (this=0xb92d3f8,
F=...) at /usr/src/debug/llvm-3.3/lib/CodeGen/MachineFunctionPass.cpp:33
#12 0xaa6d3307 in llvm::FPPassManager::runOnFunction (this=0x16, F=...) at
/usr/src/debug/llvm-3.3/lib/IR/PassManager.cpp:1530
#13 0xaa6d3530 in llvm::FPPassManager::runOnModule (this=0xb8700b0, M=...) at
/usr/src/debug/llvm-3.3/lib/IR/PassManager.cpp:1550
#14 0xaa6d37d9 in llvm::MPPassManager::runOnModule (this=0xb919068, M=...) at
/usr/src/debug/llvm-3.3/lib/IR/PassManager.cpp:1608
#15 0xaa6d3fa1 in llvm::PassManagerImpl::run (this=0xb915bd0, M=...) at
/usr/src/debug/llvm-3.3/lib/IR/PassManager.cpp:1703
#16 0xaa6d4157 in llvm::PassManager::run (this=0xbf8ac168, M=...) at
/usr/src/debug/llvm-3.3/lib/IR/PassManager.cpp:1738
#17 0xaa7be651 in LLVMTargetMachineEmit (T=<optimized out>, M=0xb7602a8,
OS=..., codegen=<optimized out>, ErrorMessage=<optimized out>) at
/usr/src/debug/llvm-3.3/lib/Target/TargetMachineC.cpp:194
#18 0xaa7be7a3 in LLVMTargetMachineEmitToMemoryBuffer (T=0xb913c70,
M=0xb7602a8, codegen=LLVMObjectFile, ErrorMessage=0xbf8ac230,
OutMemBuf=<optimized out>) at
/usr/src/debug/llvm-3.3/lib/Target/TargetMachineC.cpp:220
#19 0xab724406 in radeon_llvm_compile () from /usr/lib/dri/updates/r600_dri.so
#20 0xab71f012 in r600_llvm_compile () from /usr/lib/dri/updates/r600_dri.so
#21 0xab6cf917 in r600_shader_from_tgsi () from
/usr/lib/dri/updates/r600_dri.so
#22 0xab6d0b55 in r600_pipe_shader_create () from
/usr/lib/dri/updates/r600_dri.so
#23 0xab6e261d in r600_shader_select () from /usr/lib/dri/updates/r600_dri.so
#24 0xab6e27d4 in r600_create_shader_state () from
/usr/lib/dri/updates/r600_dri.so
#25 0xab4dbc33 in st_translate_fragment_program () from
/usr/lib/dri/updates/r600_dri.so
#26 0xab4dc7f6 in st_get_fp_variant () from /usr/lib/dri/updates/r600_dri.so
#27 0xab4a451c in update_fp () from /usr/lib/dri/updates/r600_dri.so
#28 0xab4a119e in st_validate_state () from /usr/lib/dri/updates/r600_dri.so
#29 0xab4b62bc in st_draw_vbo () from /usr/lib/dri/updates/r600_dri.so
#30 0xab489f65 in vbo_handle_primitive_restart () from
/usr/lib/dri/updates/r600_dri.so
#31 0xab48ba67 in vbo_validated_drawrangeelements () from
/usr/lib/dri/updates/r600_dri.so
#32 0xab48be4c in vbo_exec_DrawElements () from
/usr/lib/dri/updates/r600_dri.so
#33 0xb1e9fb9f in ?? () from /usr/lib/libQtWebKit.so.4
#34 0xb1e901f5 in ?? () from /usr/lib/libQtWebKit.so.4
#35 0xb2059430 in ?? () from /usr/lib/libQtWebKit.so.4
#36 0xb254792b in ?? () from /usr/lib/libQtWebKit.so.4
#37 0xb252d109 in ?? () from /usr/lib/libQtWebKit.so.4
#38 0xfffffffb in ?? ()
#39 0xb25cd05e in JSC::call(JSC::ExecState*, JSC::JSValue, JSC::CallType,
JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) () from
/usr/lib/libQtWebKit.so.4
#40 0xad25a0cc in ?? ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

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