Any ideas as to why "qemu-ppc64 crashes out immediately"?
I can confirm the build ends in a segfault when I tried building 
gobject-introspection for the t1042d4rdb-64b machine.  
I did get one qemu crash recorded by Fedora but the actual crash dumps 
(appended) are for a PowerPC.  That said, given the dump, either the processor 
got nowhere or they are likely corrupt.  The invalid access reported is roughly 
to the stack but with the upper 32-bits zeroed.
If I configure bitbake for a 32-bit build (t1042d4rdb) then the build fails 
with  "Unable to find CPU definition" (cpu e5500) so a 32-bit build is out of 
the question too.
The command line from the wrapper is:PSEUDO_UNLOAD=1 qemu-ppc -r 2.6.32  -cpu 
e5500 -L /home/chris/yocto/build/tmp/sysroots/t1042d4rdb -E 
LD_LIBRARY_PATH=$GIR_EXTRA_LIBS_PATH:.libs:/home/chris/yocto/build/tmp/sysroots/t1042d4rdb//usr/lib:/home/chris/yocto/build/tmp/sysroots/t1042d4rdb//lib
  "$@"
The cpu is supported by the fedora qemu-ppc64, but not qemu-ppc - ie it's a 
64-bit processor that's not supported in 32-bit mode.
This is not massively urgent for me but it may be important in the future and I 
am curious as to whether the problem is in the qemu emulation or in the 
emulated code.
Regards,Chris 

| Invalid data memory access: 0x00000000007fe8f0| NIP 00000040008046c8   LR 
0000000000000000 CTR 0000000000000000 XER 0000000000000000 CPU#0| MSR 
8000000000006000 HID0 0000000000000000  HF 0000000000006000 idx 0| TB 00025634 
110100571322161| GPR00 0000000000000000 00000040007fe970 0000004000848e00 
00000040007fe970| GPR04 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR08 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR12 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR16 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR20 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR24 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| GPR28 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| CR 00000000  [ -  -  -  -  -  -  -  -  ]             RES 
ffffffffffffffff| FPR00 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR04 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR08 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR12 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR16 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR20 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR24 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPR28 0000000000000000 0000000000000000 0000000000000000 
0000000000000000| FPSCR 0000000000000000| Invalid segfault errno (42000000)| 
NIP 00000040008046c8   LR 0000000000000000 CTR 0000000000000000 XER 
0000000000000000 CPU#0| MSR 8000000000006000 HID0 0000000000000000  HF 
0000000000006000 idx 0| TB 00025634 110100578368626| GPR00 0000000000000000 
00000040007fe970 0000004000848e00 00000040007fe970| GPR04 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR08 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR12 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR16 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR20 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR24 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| GPR28 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| CR 00000000  [ -  -  -  -  
-  -  -  -  ]             RES ffffffffffffffff| FPR00 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR04 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR08 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR12 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR16 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR20 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR24 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPR28 0000000000000000 
0000000000000000 0000000000000000 0000000000000000| FPSCR 0000000000000000| 
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
                                          
-- 
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