Hello Ian, On 01/11/14(Sat) 10:31, Ian Allison wrote: > Hi List, > > I have a PowerMac7,2 Dual PPC970 which I attempting to put OpenBSD on. A > post from last month > (http://marc.info/?l=openbsd-ppc&m=141215377210183&w=2) indicated that > they were having trouble with the root and swap partitions using the MP > kernel, but that the SP kernel was working fine for them. I get stuck at > the same point with both the MP and SP kernels, the final line I see > during a boot is > > root on wd0a (0dd4441153447d67.a) swap on wd0b dump on wd0b > > or occasionally > > drm: initializing kernel modesetting (R350 0x1002:0x4E48 0x1002:0x4E48) > > Then the system just hangs, eventually it spins up the fans and I power > it off. > > I see similar behavior with SP and MP on both 5.5 and 5.6. bsd.rd works > fine; I can complete the partitioning and labeling of the disk, install > the sets and boot into bsd.rd and mount / (or any other partition). The > problem only seems to happen when trying to boot the system with the SP > or MP kernels. > > > My guess was that this is related to the last bullet point under > "Unsupported Hardware" which says that SATA "does not work on some > PowerMac G5 and Xserve G5 systems". My wd0 is indeed SATA but I wanted > to confirm that the problem I am having is a known issue. > > I am currently trying to extract a dmesg from the bsd.rd but I'm not > having much luck.
There's a problem related to radeondrm(4) on such machines. If you don't need X, you can disable it and the kernel will fall back to vgafb(4) like in the RAMDISK.
