Get default emulator based on guest's arch, and replace it in domain's definition after domainPostParseDataAlloc's failure, then alloc again. This will solve the migration problem because of qemu emulator location error, especially, from host with to host without qemu-kvm. This commit will also allow user to create a domain with wrong emulator location, and correct it to the default one. zhangjl02 (3): qemu_domain: introduce qemuDomainPostParseDataDefEmulator domain_conf: introduce virDomainPostParseDataDefEmulator type domain_conf: set default emulator into def if it fails to alloc src/conf/domain_conf.c | 10 +++++++++- src/conf/domain_conf.h | 2 ++ src/qemu/qemu_domain.c | 18 ++++++++++++++++++ 3 files changed, 29 insertions(+), 1 deletion(-) -- 2.35.1.windows.2