I just installed OpenBSD-current on my PowerMac11,2 which is the very last generation of PowerMac G5 systems. My particular one is the quad 2.5GHz model.
As a sidenote, I tried installing an Intel 535 SSD and an OCZ Vertex 4 SSD and neither was detected by the SATA controller. I had read about that being an issue on some SSDs and that Samsung SSDs did not have this issue with older and slower SATA chipsets. I tried a Samsung 850 Pro and it worked fine. I was able to install just fine with the installer but when I rebooted with bsd.mp, I get a panic right after cpu and memory detection due to radeondrm. A boot -c and disable radeondrm allows the system to boot fine but I would like to get this Radeon X1950 that I bought for this purpose working since in theory I could have a decent Xorg experience. Here is the panic transcribed by hand: ...snip... memc0 at mainbus0: u4 rev 0x42 kiic0 at memc0 offset 0xf8001000 iic0 at kiic0 lmtemp0 at iic0 addr 0x4a: ds1775 maxds0 at iic0 addr 0x4b: ds1631 maxtmp0 at iic0 addr 0x4c: max6690 maxtmp1 at iic0 addr 0x4e: max6690 "dart" at memc0 offset 0xf8033000 not configured openpic0 at memc0 offset 0xf8040000: version 0x4614 feature 7b0302 BE mpcpcibr0 at mainbus0 pci: u4-pcie pci0 at mpcpcibr0 bus 0 radeondrm0 at pci0 dev 0 function 0 "ATI Radeon X1950" rev 0x00 drm0 at radeondrm0 radeondrm0: irq 3 kern dsi on addr ffffffff iar 57c218 panic: trap type 300 at 57c218 (pci_conf_write+0x1c) lr 590f50 Stopped at Debugger+0x10: lwz r0,36(41) TID PID UID PRFLAGS PFLAGS CPU COMMAND * 0 0 0 0x10000 0x200 0 swapper Debugger() at Debugger+0xc End of kernel: 0x904700 end trace frame: 0x904700, count: 14 I did not grab the dmesg from booting with radeondrm disabled (I can grab it later today if need be) but the dmesg from bsd.rd is at the bottom before I installed the Samsung SSD. Any idea what might be causing the panic? Bryan console out [ATY,Prionace_A] console in [keyboard], using USB using parent ATY,PrionaceParent:: memaddr 98000000, size 8000000 : consaddr 98008000 : ioaddr 90020000, size 20000: width 2560 linebytes 2560 height 1600 depth 8 Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. Copyright (c) 1995-2016 OpenBSD. All rights reserved. https://www.OpenBSD.org OpenBSD 6.0-current (RAMDISK) #10: Wed Dec 7 13:15:46 MST 2016 bu...@macppc.openbsd.org:/usr/src/sys/arch/macppc/compile/RAMDISK real mem = 0 (0MB) avail mem = 1817899008 (1733MB) mainbus0 at root: model PowerMac11,2 cpu0 at mainbus0: 970MP (Revision 0x101): 2500 MHz cpu at mainbus0 not configured cpu at mainbus0 not configured cpu at mainbus0 not configured mem at mainbus0 not configured memc0 at mainbus0: u4 rev 0x42 kiic0 at memc0 offset 0xf8001000 iic0 at kiic0 "ds1775" at iic0 addr 0x4a not configured "ds1631" at iic0 addr 0x4b not configured "max6690" at iic0 addr 0x4c not configured "max6690" at iic0 addr 0x4e not configured "dart" at memc0 offset 0xf8033000 not configured openpic0 at memc0 offset 0xf8040000: version 0x4614 feature 7b0302 BE mpcpcibr0 at mainbus0 pci: u4-pcie pci0 at mpcpcibr0 bus 0 vgafb0 at pci0 dev 0 function 0 "ATI Radeon X1950" rev 0x00, mmio wsdisplay0 at vgafb0 mux 1: console (std, vt100 emulation) ht0 at mainbus0: u3-ht, 10 devices pci1 at ht0 bus 0 hpb0 at pci1 dev 7 function 0 "Apple Shasta PCI" rev 0x00: 85 sources pci2 at hpb0 bus 2 ppb0 at pci1 dev 1 function 0 "ServerWorks HT-2000 PCIX" rev 0xa3 pci3 at ppb0 bus 4 ppb1 at pci1 dev 2 function 0 "ServerWorks HT-2000 PCIX" rev 0xa3 pci4 at ppb1 bus 5 bge0 at pci4 dev 4 function 0 "Broadcom BCM5780" rev 0x03, BCM5714 B3 (0x8003): irq 66, address 00:14:51:65:e6:96 brgphy0 at bge0 phy 1: BCM5780 10/100/1000baseT/SX PHY, rev. 0 bge1 at pci4 dev 4 function 1 "Broadcom BCM5780" rev 0x03, BCM5714 B3 (0x8003): irq 67, address 00:14:51:65:e6:97 brgphy1 at bge1 phy 1: BCM5780 10/100/1000baseT/SX PHY, rev. 0 ppb2 at pci1 dev 3 function 0 "ServerWorks HT-2000 PCIE" rev 0xa3 pci5 at ppb2 bus 6 ppb3 at pci1 dev 4 function 0 "ServerWorks HT-2000 PCIE" rev 0xa3 pci6 at ppb3 bus 7 ppb4 at pci1 dev 5 function 0 "ServerWorks HT-2000 PCIE" rev 0xa3 pci7 at ppb4 bus 8 ppb5 at pci1 dev 6 function 0 "ServerWorks HT-2000 PCIE" rev 0xa3 pci8 at ppb5 bus 9 ppb6 at pci1 dev 8 function 0 "Apple Shasta PCI" rev 0x00 pci9 at ppb6 bus 1 macobio0 at pci9 dev 7 function 0 "Apple Shasta" rev 0x00 macgpio0 at macobio0 offset 0x50 "smu-doorbell" at macgpio0 offset 0x12 not configured "smu-interrupt" at macgpio0 offset 0xd not configured "programmer-switch" at macgpio0 offset 0xc not configured "chip-fault" at macgpio0 offset 0xe not configured "slewing-done" at macgpio0 offset 0x38 not configured "mlb-good" at macgpio0 offset 0x13 not configured "vdnap0" at macgpio0 offset 0x14 not configured "timebase-enable" at macgpio0 offset 0x26 not configured "amp-mute" at macgpio0 offset 0x30 not configured "dig-hw-reset-c" at macgpio0 offset 0x9 not configured "codec-error-irq" at macgpio0 offset 0x32 not configured "codec-clock-mux" at macgpio0 offset 0x31 not configured "headphone-detect" at macgpio0 offset 0x2c not configured "headphone-mute" at macgpio0 offset 0x2f not configured "hw-reset" at macgpio0 offset 0xa not configured "lineout-detect" at macgpio0 offset 0x28 not configured "linein-detect" at macgpio0 offset 0x2a not configured "lineout-mute" at macgpio0 offset 0x2e not configured "escc-legacy" at macobio0 offset 0x12000 not configured zs0 at macobio0 offset 0x13000: irq 23,24 zstty0 at zs0 channel 0 zstty1 at zs0 channel 1 "i2c" at macobio0 offset 0x18000 not configured "i2s" at macobio0 offset 0x0 not configured "timer" at macobio0 offset 0x15000 not configured "Broadcom BCM4318" rev 0x02 at pci9 dev 1 function 0 not configured ohci0 at pci9 dev 11 function 0 "NEC USB" rev 0x43: irq 70, version 1.0 ohci1 at pci9 dev 11 function 1 "NEC USB" rev 0x43: irq 70, version 1.0 ehci0 at pci9 dev 11 function 2 "NEC USB" rev 0x04: irq 70 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 configuration 1 interface 0 "NEC EHCI root hub" rev 2.00/1.00 addr 1 usb1 at ohci0: USB revision 1.0 uhub1 at usb1 configuration 1 interface 0 "NEC OHCI root hub" rev 1.00/1.00 addr 1 usb2 at ohci1: USB revision 1.0 uhub2 at usb2 configuration 1 interface 0 "NEC OHCI root hub" rev 1.00/1.00 addr 1 ppb7 at pci1 dev 9 function 0 "Apple Shasta PCI" rev 0x00 pci10 at ppb7 bus 3 pciide0 at pci10 dev 12 function 0 "ServerWorks K2 SATA" rev 0x00: DMA pciide0: using irq 10 for native-PCI interrupt pciide0: port 0: PHY offline pciide0: port 1: PHY offline kauaiata0 at pci10 dev 13 function 0 "Apple Shasta ATA" rev 0x00 wdc0 at kauaiata0 irq 38: DMA atapiscsi0 at wdc0 channel 0 drive 0 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <HL-DT-ST, DVD-RW GWA-4165B, C006> ATAPI 5/cdrom removable cd0(wdc0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 4 "Apple Shasta Firewire" rev 0x00 at pci10 dev 14 function 0 not configured smu0 at mainbus0: too many fans uhub3 at uhub1 port 1 configuration 1 interface 0 "Mitsumi Electric Hub in Apple Extended USB Keyboard" rev 1.10/4.10 addr 2 uhidev0 at uhub3 port 3 configuration 1 interface 0 "Mitsumi Electric Apple Extended USB Keyboard" rev 1.10/4.10 addr 3 uhidev0: iclass 3/1 ukbd0 at uhidev0 wskbd0 at ukbd0: console keyboard, using wsdisplay0 uhidev1 at uhub3 port 3 configuration 1 interface 1 "Mitsumi Electric Apple Extended USB Keyboard" rev 1.10/4.10 addr 3 uhidev1: iclass 3/0, 3 report ids uhid0 at uhidev1 reportid 2: input=1, output=0, feature=0 uhid1 at uhidev1 reportid 3: input=3, output=0, feature=0 uhidev2 at uhub1 port 3 configuration 1 interface 0 "vendor 0x05ac product 0x1000" rev 2.00/19.65 addr 4 uhidev2: iclass 3/1 ukbd1 at uhidev2 wskbd1 at ukbd1 mux 1 wskbd1: connecting to wsdisplay0 uhidev3 at uhub1 port 3 configuration 1 interface 1 "vendor 0x05ac product 0x1000" rev 2.00/19.65 addr 4 uhidev3: iclass 3/1 uhid2 at uhidev3: input=3, output=0, feature=1 uhidev4 at uhub2 port 2 configuration 1 interface 0 "CHICONY USB Keyboard" rev 2.00/2.30 addr 2 uhidev4: iclass 3/1 ukbd2 at uhidev4 wskbd2 at ukbd2 mux 1 wskbd2: connecting to wsdisplay0 uhidev5 at uhub2 port 2 configuration 1 interface 1 "CHICONY USB Keyboard" rev 2.00/2.30 addr 2 uhidev5: iclass 3/0, 3 report ids uhid3 at uhidev5 reportid 1: input=1, output=0, feature=0 uhid4 at uhidev5 reportid 2: input=1, output=0, feature=0 uhid5 at uhidev5 reportid 3: input=3, output=0, feature=0 softraid0 at root scsibus1 at softraid0: 256 targets bootpath: /ht/pci@9/ata-6/disk@0:/6.0/macppc/bsd.rd root on rd0a swap on rd0b dump on rd0b WARNING: unable to get date/time -- CHECK AND RESET THE DATE!