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由 Guannan Ren 提交于
BZ:https://bugzilla.redhat.com/show_bug.cgi?id=871273 when using virsh qemu-attach to attach an existing qemu process, if it misses the -M option in qemu command line, libvirtd crashed because the NULL value of def->os.machine in later use. Example: /usr/libexec/qemu-kvm -name foo \ -cdrom /var/lib/libvirt/images/boot.img \ -monitor unix:/tmp/demo,server,nowait \ error: End of file while reading data: Input/output error error: Failed to reconnect to the hypervisor This patch tries to set default machine type if the value of def->os.machine is still NULL after qemu command line parsing.
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