https://bugs.kde.org/show_bug.cgi?id=352055
--- Comment #36 from Weng Xuetian <wen...@gmail.com> ---
(In reply to Albert Astals Cid from comment #32)
> I could always reproduce this bug doing
> echo 3 > /proc/sys/vm/drop_caches
> as root and then as my user killing and restarting plasmashell.
>
> But now I can not reproduce it anymore. Neither in my two Ubuntu Xenial
> systems running Plasma 5.4.3 + Qt 5.5.1 nor on my Arch Linux system running
> Plasma 5.5.1 + Qt 5.5.1 so can't help with fixing this anymore.
>
> If you guys are convinced the above patch does not fix it reopen the bug.
Personally I don't have problem on my system with 5.4.3. I tried to bisect the
problem, and actually found it's a007f294b4991c6f5730e0ec8d9d20f36e31acab,
which is quite unrelated to the original problem. More specifically, it's this
change below. But anyway it seems to be a Qt bug since if I increase the time
(0 -> 300), then I will be able to reproduce the bug will be it no matter which
syntax it is used on my system.
diff --git a/applets/systemtray/plugin/host.cpp
b/applets/systemtray/plugin/host.cpp
index 27ca227..61e8705 100644
--- a/applets/systemtray/plugin/host.cpp
+++ b/applets/systemtray/plugin/host.cpp
@@ -99,7 +99,7 @@ Host::Host(QObject* parent) :
QObject(parent),
d(new HostPrivate(this))
{
- QTimer::singleShot(0, this, SLOT(init()));
+ QTimer::singleShot(0, this, &Host::init);
}
Now I workaround the bug by using "Always show all icon" option in system tray.
BTW To reproduce this bug, I need to have at least 10 icons in the system tray.
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