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Created attachment 820892 [details] Debug info from virt-manager Description The MAC address of cloned guest should be the same as customized from virt-manager,also no error shows when set the same address as another guest Version: virt-manager-0.10.0-5.el7.noarch libvirt-1.1.1-11.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1. Launch virt-manager,prepare a guest with shutdown status. 2. Right click the guest,click "clone","Clone virtual machine" dialog pop out. 3. On the dialog,from "Networking",click "Details",a new dialog "Change MAC address" pop out. 4. Input a new MAC address or just keep the original default MAC address,click "OK". 5. Click "clone". 6. After clone is finished,check the MAC address of the new cloned guest,it's not the same as you set in step 4. 7. If set the new MAC address as the same address of original guest,no error occurs,while create a new guest from virt-manager,set the fixed MAC address as one which has been used by other guests,error will pop out: "Mac address collision":"The MAC address '*******' is in use by another virtual machine." Actual results： As description. Expected results: The MAC address of cloned guest should be the same as customized from virt-manager and error shows when set the same address as another guest Additional info: 1.From virt-manager debug info,the newly set MAC address appeared in Clone guest xml,however,it set an random MAC address when create the new cloned guest. Attached the debug info,my customized MAC address is "52:54:00:ce:20:00". 2.The issue can not be reproduced on rhel 6 system. 3.MAC address can be set successfully from virt-clone command. # virt-clone -o test -n newtest --mac=54:52:00:ccd:aa -f /var/lib/libvirt/images/testtest.img Allocating 'testtest.img' | 1.0 GB 00:00:00 Clone 'newtest' created successfully.
patch sent upstream: https://www.redhat.com/archives/virt-tools-list/2014-July/msg00077.html
commit 148576d69eac2fd06ebbb5c573df3f341d327234 Author: Giuseppe Scrivano <gscrivan> Date: Mon Jul 21 13:54:38 2014 +0200 virtinst, clone: use the specified MAC address for the new VM Prevent setup_clone from changing the self._clone_macs list so that further calls will access the same data. Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1027576 Signed-off-by: Giuseppe Scrivano <gscrivan>
Tested pass with: virt-manager-1.1.0-1.el7.noarch Steps: 1. Launch virt-manager,prepare a guest with shutdown status. 2. Right click the guest,click "clone","Clone virtual machine" dialog pop out. 3. On the dialog,from "Networking",click "Details",a new dialog "Change MAC address" pop out. 4. Input a new MAC address or just keep the original default MAC address,click "OK". 5. Click "clone". 6. After clone is finished,check the MAC address of the new cloned guest,it's the same as set in step 4. 7. If set the new MAC address as the same address of original guest,error will show as:Error changing MAC address: The MAC address '52:54:00:0b:aa:bb' is in use by another virtual machine. Refer to the above comments,move the bug to VERIFIED.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2015-0427.html