9
« on: January 16, 2021, 06:09:26 am »
Hello everyone!
I wonder if anyone else ever had the same problem as I do: I'm not able to boot any Mac OS X version with KVM accelerator enabled.
More details:
Machine: 8-core Blackbird, 32G RAM
Kernel&host OS: right now 5.10.6 under Riscy Slack, but before that whatever was current in Void Linux during last months, kvm and kvm_pr both present and loaded
QEMU: 5.2.0, but also 4.1.1 and 5.0.0
Mac OS X: 10.3, 10.4, 10.5, 10.5.2
What happens? MacOS X starts booting, after a while it reaches the point where it reports BSD root: disk0s3, major 14, minor 2 and hangs there. I discovered how to make qemu report errors, this is what happens:
Invalid access at addr 0x80000000, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000030, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000034, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000038, size 4, region '(null)', reason: rejected
Invalid access at addr 0x8000003C, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000040, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000044, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000048, size 4, region '(null)', reason: rejected
Invalid access at addr 0x8000004C, size 4, region '(null)', reason: rejected
dbdma_unassigned_flush: use of unassigned channel 0
dbdma_unassigned_flush: use of unassigned channel 0
Invalid access at addr 0x80000038, size 4, region '(null)', reason: rejected
Invalid access at addr 0x8000003C, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000044, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000040, size 4, region '(null)', reason: rejected
Invalid access at addr 0x80000040, size 4, region '(null)', reason: rejected
PMU: Unsupported READ_PMU_RAM, args: 80 02 03
PMU: Unsupported READ_PMU_RAM, args: 80 02 03
PMU: POWER EVENTS unknown subcommand 0x07
PMU: POWER EVENTS unknown subcommand 0x08
The commandline is: taskset -a -c 0-3 ./qemu-system-ppc -cpu nitro -M mac99,accel=kvm,via=pmu -m 512 -prom-env boot-args=-v -boot c -drive file=leopard.img,format=qcow2,l2-cache-size=4M -usb -device usb-tablet -g 1280x1024x32 -d unimp,guest_errors
The tcg accelerator works, I installed the system from DVD through it as with KVM not even that boots. Thanks for any advice!