The physical memory map on versatile hardware does not allow more than 256MB of space for RAM. The bug here is just that qemu should exit with a helpful error message (or maybe clip the requested memory size to the maximum) rather than crashing.
The physical memory map on versatile hardware does not allow more than 256MB of space for RAM. The bug here is just that qemu should exit with a helpful error message (or maybe clip the requested memory size to the maximum) rather than crashing.