https://bugs.kde.org/show_bug.cgi?id=474315
Bug ID: 474315
Summary: NordVPN connects but does not return prompt, Kdialog
47% CPU, xorg.bin 99% CPU
Classification: Applications
Product: kdialog
Version: 23.08.0
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: br...@frogmouth.net
Reporter: b.w.p...@outlook.com
Target Milestone: ---
SUMMARY
OpenSuse Tumbleweed just updated to Gear 23.08. NordVPN will connect fine but
does not return CLI prompt. Running top in another tab shows Kdialog consuming
~47% CPU and Xorg.bin consuming 99% CPU. If you leave it without doing anything
for many hours it will slowly consume all your RAM in addition to the high CPU.
STEPS TO REPRODUCE
1. run top in one cli tab and note Xorg.bin consuming 2% or less CPU.
2. in second tab run 'nordvpn connect toronto'.
3. In 1st tab note Xorg.bin is now 99% CPU and 2nd item is a new Kdialog
process at 47% CPU
OBSERVED RESULT
NordVPN does connect. You get the first line connecting and a second line
stating you are connected but the third line that is supposed to return the
prompt just has a spinning slash as it appears to be waiting on Kdialog for
something. The same process happens on disconnect (nordvpn disconnect) where
you have to kill the newly spawned Kdialog for Xorg.bin to return to normal and
get the prompt back.
EXPECTED RESULT
The prompt should return immediately, Kdialog should exit, and high CPU (and
eventually memory) should not be consumed. This was working until an OpenSuse
Tumbleweed update this week. It seems like Kdialog is the culprit since KDE
Gear 23.08 came down as one of the upgrades, kdialog a newly spawned process
from using nordvpn, and the problem is resolved upon killing it. NordVPN was
last updated over a month ago on 2023-08-02, I've used it 4-5 times a week, and
the problem only presented this week.
SOFTWARE/OS VERSIONS
Windows: n/a
macOS: n/a
Linux/KDE Plasma: OpenSuse Tumbleweed
(available in About System)
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.109.0
Qt Version: 5.15.10
ADDITIONAL INFORMATION
Kernel: 6.4.12-1-defualt
nordvpn: 3.16.5
X11 (but also happened on Plasma Wayland)
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