T800 /home/ef # coredumpctl gdb 27723
           PID: 27723 (lp_test_printf)
           UID: 250 (portage)
           GID: 250 (portage)
        Signal: 6 (ABRT)
     Timestamp: Mon 2018-07-02 14:28:20 CEST (3min 34s ago)
  Command Line: ./lp_test_printf
    Executable: /var/tmp/portage/media-libs/mesa-18.1.2/work/mesa-18.1.2-abi_ppc_32.ppc/src/gallium/drivers/llvmpipe/lp_test_printf
 Control Group: /user.slice/user-1000.slice/session-c1.scope
          Unit: session-c1.scope
         Slice: user-1000.slice
       Session: c1
     Owner UID: 1000 (ef)
       Boot ID: f98b1245725f433db65599cf04a8e4f7
    Machine ID: a11f6dbd63d44c20941f9f48a8fbb3e4
      Hostname: T800
       Storage: /var/lib/systemd/coredump/core.lp_test_printf.250.f98b1245725f433db65599cf04a8e4f7.27723.1530534500000000.lz4
       Message: Process 27723 (lp_test_printf) of user 250 dumped core.
                
                Stack trace of thread 27723:
                #0  0x00000000f67a9580 __libc_signal_restore_set (libc.so.6)
                #1  0x00000000f67ab264 __GI_abort (libc.so.6)
                #2  0x00000000f6c921f8 _ZN4llvm25llvm_unreachable_internalEPKcS1_j (libLLVMSupport.so.5)
                #3  0x00000000002a7220 _ZN4llvm14RuntimeDyldELF22resolvePPC32RelocationERKNS_12SectionEntryEyyjx (libLLVMRuntimeDyld.so.5)
                #4  0x00000000002a8154 _ZN4llvm14RuntimeDyldELF17resolveRelocationERKNS_12SectionEntryEyyjxyj (libLLVMRuntimeDyld.so.5)
                #5  0x00000000002a82ac _ZN4llvm14RuntimeDyldELF17resolveRelocationERKNS_15RelocationEntryEy (libLLVMRuntimeDyld.so.5)
                #6  0x0000000000287344 _ZN4llvm15RuntimeDyldImpl21resolveRelocationListERKNS_11SmallVectorINS_15RelocationEntryELj64EEEy (libLLVMRuntimeDyld.so.5)
                #7  0x000000000028d1e4 _ZN4llvm15RuntimeDyldImpl18resolveRelocationsEv (libLLVMRuntimeDyld.so.5)
                #8  0x000000000028d5a8 _ZN4llvm11RuntimeDyld18resolveRelocationsEv (libLLVMRuntimeDyld.so.5)
                #9  0x00000000003c15cc _ZN4llvm5MCJIT21finalizeLoadedModulesEv (libLLVMMCJIT.so.5)
                #10 0x00000000003c3c14 _ZN4llvm5MCJIT14finalizeObjectEv (libLLVMMCJIT.so.5)
                #11 0x0000000000383d7c LLVMGetPointerToGlobal (libLLVMExecutionEngine.so.5)
                #12 0x000000000078a91c n/a (/var/tmp/portage/media-libs/mesa-18.1.2/work/mesa-18.1.2-abi_ppc_32.ppc/src/gallium/drivers/llvmpipe/lp_test_printf)

GNU gdb (Gentoo 8.1 p1) 8.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-unknown-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://bugs.gentoo.org/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /var/tmp/portage/media-libs/mesa-18.1.2/work/mesa-18.1.2-abi_ppc_32.ppc/src/gallium/drivers/llvmpipe/lp_test_printf...done.
[New LWP 27723]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `./lp_test_printf'.
Program terminated with signal SIGABRT, Aborted.
#0  0xf67a9580 in __libc_signal_restore_set (set=0xffb938c8) at ../sysdeps/unix/sysv/linux/nptl-signals.h:80
80	  return INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, set, NULL,