Fix and workaround in https://github.com/QubesOS/qubes-issues/issues/3475

-------- Original Message --------
On January 20, 2018 10:13 AM, Chris Laprise <[email protected]> wrote:

> After updating dom0 with testing yesterday, I'm unable to use the VM
> settings tool. When it launches a whoops dialog appears saying
> default_dispvm has no default (see details below). This happens with all
> VMs, including newly-created ones.
>
> Probably the code accessing this attribute should be trapped?
>
> Details
>
> AttributeError: default_dispvm has no default
> at line 9 of file /usr/bin/qubes-vm-settings.
>
> line: raise AttributeError(item + ' has no default')
> func: property_get_default
> line no.: 172
> file: /usr/lib/python3.5/site-packages/qubesadmin/base.py
>
> line: default = holder.property_get_default(propname)
> func: prepare_choice
> line no.: 53
> file: /usr/lib/python3.5/site-packages/qubesmanager/utils.py
>
> line: *args, **kwargs)
> func: prepare_vm_choice
> line no.: 135
> file: /usr/lib/python3.5/site-packages/qubesmanager/utils.py
>
> line: allow_default=True, allow_none=True)
> func: init_advanced_tab
> line no.: 593
> file: /usr/lib/python3.5/site-packages/qubesmanager/settings.py
>
> line: self.init_advanced_tab()
> func: init
> line no.: 93
> file: /usr/lib/python3.5/site-packages/qubesmanager/settings.py
>
> line: settings_window = VMSettingsWindow(vm, qapp, args.tab)
> func: main
> line no.: 1128
> file: /usr/lib/python3.5/site-packages/qubesmanager/settings.py
>
> line: load_entry_point('qubesmanager==4.0.11', 'console_scripts',
> 'qubes-vm-settings')()
> func: <module>
>
> line no.: 9
> file: /usr/bin/qubes-vm-settings
>
> Chris Laprise, [email protected]
> https://github.com/tasket
> https://twitter.com/ttaskett
> PGP: BEE2 20C5 356E 764A 73EB 4AB3 1DC4 D106 F07F 1886
>
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