In some circumstances, attempting to open the detail view of a VM produces the error:
'NoneType' object has no attribute 'change_run_text'
with the details:
Error launching details: 'NoneType' object has no attribute 'change_run_text'
Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/engine.py", line 832, in _show_vm_helper
details.show()
File "/usr/share/virt-manager/virtManager/details.py", line 616, in show
self.refresh_vm_state()
File "/usr/share/virt-manager/virtManager/details.py", line 1285, in refresh_vm_state
self.change_run_text(vm.has_managed_save())
File "/usr/share/virt-manager/virtManager/details.py", line 1268, in change_run_text
self.widget("details-vm-menu").get_submenu().change_run_text(text)
AttributeError: 'NoneType' object has no attribute 'change_run_text'
virt-manager is at 1.4.0.
No steps to reproduce currently, but it very likely has something to do with saving the VM's state to disk.
The problem persists even after restarting virt-manager. Restarting libvirtd, however, resolves the problem.
我上国外找了一圈
资料链接：https://bugzilla.redhat.com/show_bug.cgi?id=1366882
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