On 24.05.19 14:29, Christian Borntraeger wrote: > > > On 24.05.19 14:17, Christian Borntraeger wrote: >> >> >> On 24.05.19 13:11, Christian Borntraeger wrote: >>> I do get >>> >>> [10400.440298] kvm-s390: failed to commit memory region >>> [10400.508723] kvm-s390: failed to commit memory region >>> >>> when running the tests. Will have a look. >> >> It comes from kvm_vm_free. This calls KVM_SET_USER_MEMORY_REGION with size 0, >> which the s390 code does not like. >> > > The doc says about KVM_SET_USER_MEMORY_REGION: > > This ioctl allows the user to create or modify a guest physical memory > slot. When changing an existing slot, it may be moved in the guest > physical memory space, or its flags may be modified. --> It may not be > resized. <---- Size 0 is deleting, not resizing AFAIK. -- Thanks, David / dhildenb