Bug 1268018 - System freeze for the duration of the handshake between the client and the server
System freeze for the duration of the handshake between the client and the se...
Product: Fedora
Classification: Fedora
Component: NetworkManager-openvpn (Show other bugs)
x86_64 Linux
unspecified Severity medium
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Assigned To: Dan Williams
Fedora Extras Quality Assurance
Depends On:
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Reported: 2015-10-01 11:03 EDT by Martín Cigorraga
Modified: 2015-10-02 13:07 EDT (History)
7 users (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2015-10-02 13:07:08 EDT
Type: Bug
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RHEL 7.3 requirements from Atomic Host:
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Description Martín Cigorraga 2015-10-01 11:03:07 EDT
Description of problem:
Whenever I connect to an OpenVPN via the NetworkManager menu the system hangs for the time it takes to establish the bond. This _does not happen_ when manually connecting to the same VPNs using the CLI tool.

Version-Release number of selected component (if applicable):
Version: 1.0.6  Release: 3.fc23

How reproducible:

Steps to Reproduce:
1. Add a VPN connection via NetworkManager's GUI
2. Try connecting it

Actual results:
Whole system will freeze while the duration the connection is established.

Expected results:
System continue to operate as usual regardless the connection is made or not - at least that was the behavior in F22.

Additional info:
As I already noted, this doesn't happens with the openvpn CLI tool.

Many thanks!
Comment 1 Thomas Haller 2015-10-02 10:20:00 EDT
which UI are us using?

Popular are:
 - Gnome3's gnome-control-center
 - nm-applet (nm-connection-editor)
 - KDE's plasma-nm (with kde-nm-connection-editor)

What exactly freezes? You mean your Graphical interface/Window-manager? Which one are you using?

Thank you.
Comment 2 Martín Cigorraga 2015-10-02 13:07:08 EDT
Ahh damn, I feel so ashamed for this... I just tried to reproduce the issue by first *disabling all extensions* and issue is gone...

In case you're interested this what I wrote when I realized I missed following a basic debug rule ><

Hi Thomas,

I'm using GNOME Shell so when I enable my VPNs graphically I do it from the Top Bar menu.

By the way, in order to have a clear environment I have disabled all my extensions.

What is even weirder is the way the GUI freezes: I just reproduced the bug again and took these additional steps I hope can you help debug what's happening here:

1. I enabled an OpenVPN VPN from the integrated VPN menu in GNOME Shell's Top Bar menu;
2. Then the desktop froze: I could move the mouse pointer through the screen but otherwise the desktop is unresponsive; I can't switch windows, launch the Activities overview be it by pushing the mouse to the hot-corner or pressing the designated hotkey (Left Super), open windows don't respond... it's like if what I see is a still picture of my former screen;
3. I can though switch to a text terminal by Ctrl+Alt+Fx _and_ log in. So, the system is functional indeed and the problem seems related to X, right?
4. Well, switching back to tty1 - where the graphical session is running - I have the lock screen that I can lift as usual to then type my password to sign back into my account...;
5. Once signed back the screen continues to be froze as when I left it until the connection is made;
6. Last, all the keys I pressed when the screen froze launch the actions invoked like in blast: overview is shown, Alt-Tab/Super-Tab switches to the other windows and so on.

I'm closing this ticket so clearly it is an extension (I yet have to find which one) that is somehow messing things up.


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