# coredumpctl gdb 6113
           PID: 6113 (lp_test_conv)
           UID: 0 (root)
           GID: 0 (root)
        Signal: 6 (ABRT)
     Timestamp: Sun 2018-12-16 16:02:54 CET (5min ago)
  Command Line: ./src/gallium/drivers/llvmpipe/lp_test_conv
    Executable: /root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv
 Control Group: /user.slice/user-1000.slice/session-c2.scope
          Unit: session-c2.scope
         Slice: user-1000.slice
       Session: c2
     Owner UID: 1000 (ef)
       Boot ID: 4f0afbcef77b423199ac1492d4fd6468
    Machine ID: 3f89104fd8e846edb53c46af433b901e
      Hostname: T1000
       Storage: /var/lib/systemd/coredump/core.lp_test_conv.0.4f0afbcef77b423199ac1492d4fd6468.6113.1544972574000000.lz4
       Message: Process 6113 (lp_test_conv) of user 0 dumped core.
                
                Stack trace of thread 6113:
                #0  0x00003fff92338534 __libc_signal_restore_set (libc.so.6)
                #1  0x00003fff9233a710 __GI_abort (libc.so.6)
                #2  0x00003fff9232b258 __assert_fail_base (libc.so.6)
                #3  0x00003fff9232b308 __GI___assert_fail (libc.so.6)
                #4  0x00003fff96423128 _ZN4llvm25SmallVectorTemplateCommonIivEixEm (libLLVMPowerPCCodeGen.so.6)
                #5  0x00003fff9643fb20 _ZNK4llvm17PPCTargetLowering21DAGCombineBuildVectorEPNS_6SDNodeERNS_14TargetLowering15DAGCombinerInfoE (libLLVMPowerPCCodeGen.so.6)
                #6  0x00003fff96464738 _ZNK4llvm17PPCTargetLowering17PerformDAGCombineEPNS_6SDNodeERNS_14TargetLowering15DAGCombinerInfoE (libLLVMPowerPCCodeGen.so.6)
                #7  0x00003fff95960058 combine (libLLVMSelectionDAG.so.6)
                #8  0x00003fff95961d04 Run (libLLVMSelectionDAG.so.6)
                #9  0x00003fff95964784 _ZN4llvm12SelectionDAG7CombineENS_12CombineLevelEPNS_9AAResultsENS_10CodeGenOpt5LevelE (libLLVMSelectionDAG.so.6)
                #10 0x00003fff95b16af8 _ZN4llvm16SelectionDAGISel17CodeGenAndEmitDAGEv (libLLVMSelectionDAG.so.6)
                #11 0x00003fff95b18690 _ZN4llvm16SelectionDAGISel16SelectBasicBlockENS_14ilist_iteratorINS_12ilist_detail12node_optionsINS_11InstructionELb1ELb0EvEELb0ELb1EEES6_Rb (libLLVMSelectionDAG.so.6)
                #12 0x00003fff95b23788 _ZN4llvm16SelectionDAGISel20SelectAllBasicBlocksERKNS_8FunctionE (libLLVMSelectionDAG.so.6)
                #13 0x00003fff95b256e0 _ZN4llvm16SelectionDAGISel20runOnMachineFunctionERNS_15MachineFunctionE (libLLVMSelectionDAG.so.6)
                #14 0x00003fff964137a4 runOnMachineFunction (libLLVMPowerPCCodeGen.so.6)
                #15 0x00003fff94acfbac _ZN4llvm19MachineFunctionPass13runOnFunctionERNS_8FunctionE (libLLVMCodeGen.so.6)
                #16 0x00003fff92d8bad0 _ZN4llvm13FPPassManager13runOnFunctionERNS_8FunctionE (libLLVMCore.so.6)
                #17 0x00003fff92d8bc08 _ZN4llvm13FPPassManager11runOnModuleERNS_6ModuleE (libLLVMCore.so.6)
                #18 0x00003fff92d8ae98 runOnModule (libLLVMCore.so.6)
                #19 0x00003fff92d8b1f4 _ZN4llvm6legacy11PassManager3runERNS_6ModuleE (libLLVMCore.so.6)
                #20 0x00003fff9625560c _ZN4llvm5MCJIT10emitObjectEPNS_6ModuleE (libLLVMMCJIT.so.6)
                #21 0x00003fff96256220 _ZN4llvm5MCJIT21generateCodeForModuleEPNS_6ModuleE (libLLVMMCJIT.so.6)
                #22 0x00003fff9624e52c _ZN4llvm5MCJIT14finalizeObjectEv (libLLVMMCJIT.so.6)
                #23 0x00003fff9621398c LLVMGetPointerToGlobal (libLLVMExecutionEngine.so.6)
                #24 0x000000013012afb4 n/a (/root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv)
                #25 0x000000013012afb4 n/a (/root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv)
                #26 0x0000000130123a28 n/a (/root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv)
                #27 0x0000000130124660 n/a (/root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv)
                #28 0x0000000130123328 n/a (/root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv)
                #29 0x00003fff9231808c generic_start_main (libc.so.6)
                #30 0x00003fffd0856e7f n/a (n/a)
                #31 0x00003fffd0856e7f n/a (n/a)
                #32 0x5f52554e54494d45 n/a (n/a)

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Reading symbols from /root/build/mesa-18.3.1/src/gallium/drivers/llvmpipe/lp_test_conv...done.
[New LWP 6113]
Core was generated by `./src/gallium/drivers/llvmpipe/lp_test_conv '.
Program terminated with signal SIGABRT, Aborted.
#0  0x00003fff92338534 in ?? ()