[  882.794903] kexec_core: Starting new kernel
[  965.382010241,5] OPAL: Switch to big-endian OS
[  966.277802040,5] OPAL: Switch to big-endian OS
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2018 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 12.0-CURRENT #0 r333273: Sat May  5 11:39:29 CDT 2018
    root@sphinx.east.rtk0.net:/usr/obj/root/talos-freebsd/base/powerpc.powerpc64/sys/GENERIC64 powerpc
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
VT: init without driver.
cpu0: IBM POWER9 revision 2.2, 3000.00 MHz
cpu0: Features dc007182<PPC32,PPC64,ALTIVEC,FPU,MMU,SMT,ISNOOP,ARCH205,ARCH206,VSX,TRUELE>
cpu0: Features2 eee00000<ARCH207,HTM,DSCR,ISEL,TAR,VCRYPTO,ARCH300,IEEE128,DARN>
real memory  = 68509040640 (65335 MB)
avail memory = 65797378048 (62749 MB)
FreeBSD/SMP: Multiprocessor System Detected: 64 CPUs
arc4random: no preloaded entropy cache
random: entropy device external interface
kbd0 at kbdmux0
ofwbus0: <Open Firmware Device Tree> on nexus0
simplebus0: <Flattened device tree simple bus> mem 0x6030000000000-0x60300ffffffff on ofwbus0
pcib0: <OPAL Host-PCI bridge> mem 0x600c3c0000000-0x600c3c0000fff,0x600c300000000-0x600c30fffffff[  968.201171462,3] PCI-SLOT-0000000000000000 Invalid state 00000000
 on ofwbus0
pcib0: WARNING: PHB IODA reset poll failed: -[  968.206589196,3] PHB#0000[0:0]: phb4_set_phb_mem_window: Invalid window 0
6
pcib0: DMA IOMMU mapping failed: -1
device_attach: pcib0 attach returned 6
pcib0: <OPAL Host-PCI bridge> mem 0x600c3c0100000-0x600c3c0100fff,0x600c320000000-0x600c32fffffff on ofwbus0
[  968.224185432,3] PCI-SLOT-0000000000000001 Invalid state 00000000
pcib0: WARNING: PHB IODA reset poll failed: -6
[  968.227280423,3] PHB#0001[0:1]: phb4_set_phb_mem_window: Invalid window 0
pcib0: DMA IOMMU mapping failed: -1
device_attach: pcib0 attach returned 6
pcib0: <OPAL Host-PCI bridge> mem 0x600c3c0200000-0x600c3c0200fff,0x600c340000000-0x600c34fffffff on ofwbus0