Qube settings does not start

[ctr49]

Qubes OS version
Qubes release 4.0 (R4.0)

Affected component(s) or functionality
Qubes Settings

Brief summary
Cannot edit a Qube by using Qube settings.

To Reproduce

1. Open Qube Manager
2. Select Qube to edit (any, including global preferences)
3. Hit the "Qube Settings" button or right-click and select "Qube settings"
4. nothing happens.

• or

1. start "Qube settings" from within a Qube.

Expected behavior
A new window to change Qube settings appears.

Actual behavior
Nothing happens when started from Qube Manager. Error message when starting Qube settings directly.

Screenshots

Additional context
Details // console output (when starting Qube Manager from console):

Traceback (most recent call last):
  File "/usr/lib/python3.5/site-packages/qubesmanager/qube_manager.py", line 1025, in action_settings_triggered
    vm, self.qt_app, "basic")
  File "/usr/lib/python3.5/site-packages/qubesmanager/settings.py", line 174, in __init__
    self.__init_advanced_tab__()
  File "/usr/lib/python3.5/site-packages/qubesmanager/settings.py", line 707, in __init_advanced_tab__
    allow_default=True, allow_none=True)
  File "/usr/lib/python3.5/site-packages/qubesmanager/utils.py", line 136, in prepare_kernel_choice
    key=KernelVersion)
  File "/usr/lib/python3.5/site-packages/qubesmanager/utils.py", line 124, in __init__
    self.contents = [int(x) for x in re.compile(r'\D+').split(string)]
  File "/usr/lib/python3.5/site-packages/qubesmanager/utils.py", line 124, in <listcomp>
    self.contents = [int(x) for x in re.compile(r'\D+').split(string)]
ValueError: invalid literal for int() with base 10: ''

Solutions you've tried
Ran dom0-qubes-update, made sure using latest version of qubes-manager:
qubes-manager-4.0.36-1.fc25.noarch

Relevant documentation you've consulted
n/a

Related, non-duplicate issues
there were recent updates in qubes-manager for similar issues which are apparently fixed though #4988 #5057

[marmarta]

could you perhaps give us the contents of your /var/lib/qubes/vm-kernels (in dom0)? It seems like you have a very peculiar kernel.

[marmarta]

nevermind, it has been found - a fix is incoming :) it was caused by a kernel name that ended in a letter.

[qubesos-bot]

Automated announcement from builder-github

The package qubes-manager-4.0.37-1.fc25 has been pushed to the r4.0 testing repository for dom0.
To test this update, please install it with the following command:

sudo qubes-dom0-update --enablerepo=qubes-dom0-current-testing

Changes included in this update