Hello, On openSUSE 12.1 RC2 x86_64 host
$ ppc64-softmmu/qemu-system-ppc64 -M pseries -L .../pc-bios segfaults. Backtrace: Program received signal SIGSEGV, Segmentation fault. 0x0000000000578a7e in spapr_create_phb (spapr=0x1247f80, busname= 0x77f1b2 "pci", buid=<optimized out>, mem_win_addr=<optimized out>, mem_win_size=536870912, io_win_addr=1101659111424) at /home/andreas/QEMU/qemu/hw/spapr_pci.c:306 306 QLIST_INSERT_HEAD(&spapr->phbs, phb, list); (gdb) bt #0 0x0000000000578a7e in spapr_create_phb (spapr=0x1247f80, busname= 0x77f1b2 "pci", buid=<optimized out>, mem_win_addr=<optimized out>, mem_win_size=536870912, io_win_addr=1101659111424) at /home/andreas/QEMU/qemu/hw/spapr_pci.c:306 #1 0x00000000005760f8 in ppc_spapr_init (ram_size=134217728, boot_device= 0x7fffffffdd50 "cad", kernel_filename=0x0, kernel_cmdline=0x69d000 "", initrd_filename=0x0, cpu_model=0x7ab640 "POWER7") at /home/andreas/QEMU/qemu/hw/spapr.c:507 #2 0x000000000040a4a9 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at /home/andreas/QEMU/qemu/vl.c:3340 I'd expect seeing SLOF boot. Regards, Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg