On Tue, 2024-09-10 at 19:57 +0200, David Hildenbrand wrote: > KVM is not happy when starting a VM with weird RAM sizes: > > # qemu-system-s390x --enable-kvm --nographic -m 1234K > qemu-system-s390x: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION > failed, slot=0, start=0x0, size=0x244000: Invalid argument > kvm_set_phys_mem: error registering slot: Invalid argument > Aborted (core dumped) > > Let's handle that in a better way by rejecting such weird RAM sizes > right from the start: > > # qemu-system-s390x --enable-kvm --nographic -m 1234K > qemu-system-s390x: ram size must be multiples of 1 MiB > > Signed-off-by: David Hildenbrand <da...@redhat.com> > --- > hw/s390x/s390-virtio-ccw.c | 11 +++++++++++ > 1 file changed, 11 insertions(+)
TIL. Thanks David! Reviewed-by: Eric Farman <far...@linux.ibm.com>
