> From: Mark Cave-Ayland <mark.cave-ayl...@ilande.co.uk> > Date: Fri, 17 Aug 2018 12:15:10 +0100 > > Hi all, > > I was just wondering what is the current state of the openbsd/macppc > port? As part of my recent work on qemu-system-ppc I now have a patch > that can boot OpenBSD macppc under the New World (-M mac99,via=pmu) > machine but I'm seeing quite a bit of instability in OpenBSD compared to > all my other test OSs. > > For those that are interested I have included screenshots below: > > OpenBSD 6.3 > - Hangs just after USB detection > - https://www.ilande.co.uk/tmp/qemu/openbsd-6.3.png > > OpenBSD 6.2 > - Panics just after USB detection > - https://www.ilande.co.uk/tmp/qemu/openbsd-6.2.png > > OpenBSD 6.1 > - Boots all the way to the installer but causes qemu-system-ppc to > terminate fairly easily after pressing a few keys with "qemu: fatal: > ERROR: instruction should not need address translation" > - https://www.ilande.co.uk/tmp/qemu/openbsd-6.1.png > > Note I also get a constant stream of messages on the console related to > OpenPIC: > > qemu-system-ppc: openpic_iack: bad raised IRQ 47 ctpr 8 ivpr 0x4047002f > qemu-system-ppc: openpic_iack: bad raised IRQ 47 ctpr 8 ivpr 0x4047002f > qemu-system-ppc: openpic_iack: bad raised IRQ 47 ctpr 8 ivpr 0x4047002f > qemu-system-ppc: openpic_iack: bad raised IRQ 47 ctpr 8 ivpr 0x4047002f > qemu-system-ppc: openpic_iack: bad raised IRQ 28 ctpr 8 ivpr 0x4045001c > qemu-system-ppc: openpic_iack: bad raised IRQ 28 ctpr 8 ivpr 0x4045001c > qemu-system-ppc: openpic_iack: bad raised IRQ 28 ctpr 8 ivpr 0x4045001c > etc. > > > Obviously I can't categorically state that QEMU's emulation is perfect, > but it can now reliably run all of Linux, MacOS, NetBSD and FreeBSD in > my local tests which makes me suspect that OpenBSD is trying to do > something different here.
Runs fairly stable as long as there is enough RAM. There is an (unknown) pmap bug that causes memory corruption as soon as the machine starts swapping.
