After coredump(s) with multiple current/head revs am curious about ppc64 on ye PowerMac G5 quad

Am happy to report that I have r349985 on the console in single user
mode at the moment. Manually config the ethernet ports which are in
reverse MAC order.  I am fine with that.  I did use "usefdt=1" for
the boot loader and did get all four cores ( dual x dual core ) up and
running fine.  However any attempt to get full multi-user mode just
gives me a "coredump" message.  Sadly .. no where to dump to.  I just
wish I had a dump device.

Regardless I was able to svn checkout current/head and did that by using
the ipv4 address of svn.freebsd.org because dig/nslookup and name
resolution wouldn't work.  I don't know why.

--<<BOOT>>---
Copyright (c) 1992-2019 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 13.0-CURRENT r344744 GENERIC powerpc
gcc version 4.2.1 20070831 patched [FreeBSD]
WARNING: WITNESS option enabled, expect reduced performance.
VT(ofwfb): resolution 1280x1024
Preloaded elf kernel "/boot/kernel/kernel" at 0xc000000001e0b000.
Preloaded boot_entropy_cache "/boot/entropy" at 0xc000000001e0bee8.
cpu0: IBM PowerPC 970MP revision 1.1, 2500.32 MHz
cpu0: Features dc000000<PPC32,PPC64,ALTIVEC,FPU,MMU>
cpu0: HID0 1511081<DEEPNAP,NAP,DPM,NHR,TBEN,ENATTN>
real memory  = 8540192768 (8144 MB)
available KVA = 34359590911 (32767 MB)
Physical memory chunk(s):
0x0000000000025000 - 0x00000000000fffff, 897024 bytes (219 pages)
0x0000000001e7a000 - 0x0000000002bfffff, 14180352 bytes (3462 pages)
0x0000000005251000 - 0x0000000007ffffff, 47902720 bytes (11695 pages)
0x0000000010000000 - 0x000000007f5effff, 1868496896 bytes (456176 pages)
0x0000000100000000 - 0x00000002746b0fff, 6248140800 bytes (1525425 pages)
avail memory = 8147771392 (7770 MB)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0: dev=c9dc (BSP)
cpu1: dev=c6f4
cpu2: dev=c40c
cpu3: dev=c124
random: read 3840 bytes from preloaded cache
random: unblocking device.
arc4random: read 32 bytes from preloaded cache
VIMAGE (virtualized network stack) enabled
ULE: setup cpu 0
ULE: setup cpu 1
ULE: setup cpu 2
ULE: setup cpu 3
.
.  here comes the bge network interfaces in reverse order
.
gem0: invalid MAC address
device_attach: gem0 attach returned 6
bge0: <Broadcom BCM5714 B3, ASIC rev. 0x008003> mem 
0xfa510000-0xfa51ffff,0xfa500000-0xfa50ffff irq 67 at device 4.1 on pci8
ofw_pci mapdev: start fa510000, len 65536
bge0: attempting to allocate 1 MSI vectors (8 supported)
bge0: using IRQ 33554440 for MSI
bge0: CHIP ID 0x00008003; ASIC REV 0x08; CHIP REV 0x80; PCI-X 33 MHz
bge0: NVRAM lock timedout!
miibus0: <MII bus> on bge0
brgphy0: <BCM5780 1000BASE-T media interface> PHY 1 on miibus0
brgphy0: OUI 0x001018, model 0x0035, rev. 0
brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge0: bpf attached
bge0: Ethernet address: 00:14:51:64:67:11
bge1: <Broadcom BCM5714 B3, ASIC rev. 0x008003> mem 
0xfa530000-0xfa53ffff,0xfa520000-0xfa52ffff irq 66 at device 4.0 on pci8
ofw_pci mapdev: start fa530000, len 65536
bge1: attempting to allocate 1 MSI vectors (8 supported)
bge1: using IRQ 33554441 for MSI
bge1: CHIP ID 0x00008003; ASIC REV 0x08; CHIP REV 0x80; PCI-X 33 MHz
bge1: NVRAM lock timedout!
miibus1: <MII bus> on bge1
brgphy1: <BCM5780 1000BASE-T media interface> PHY 1 on miibus1
brgphy1: OUI 0x001018, model 0x0035, rev. 0
brgphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge1: bpf attached
bge1: Ethernet address: 00:14:51:64:67:10
.
.
.
GEOM: new disk cd0
ada0 at ata2 bus 0 scbus2 target 0 lun 0
ada0: <ST380013AS 3.00> ATA-6 SATA 1.x device
ada0: Serial Number 4MR3C8TG
ada0: 150.000MB/s transfers (SATA 1.x, UDMA5, PIO 8192bytes)
ada0: 76319MB (156301488 512 byte sectors)
Adding CPU 0, hwref=c9dc, awake=1
Waking up CPU 3 (dev=c124)
Adding CPU 3, hwref=c124, awake=1
Waking up CPU 2 (dev=c40c)
Adding CPU 2, hwref=c40c, awake=1
Waking up CPU 1 (dev=c6f4)
Adding CPU 1, hwref=c6f4, awake=1
SMP: AP CPU #3 launched
SMP: AP CPU #2 launched
SMP: AP CPU #1 launched
.
.
.

In any case ... no way to get to multi-user mode and will try a build of
r349985 with hopes that it works.  Otherwise what have others seen
working well ?

-- 
Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
GreyBeard and suspenders optional
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