[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[David C. Bryant]

https://bugs.kde.org/show_bug.cgi?id=340014

David C. Bryant  changed:

   What|Removed |Added

 CC||davidbry...@gvtc.com

--- Comment #13 from David C. Bryant  ---
I think this problem has been fixed. I'm using Gentoo Packages, KMail 5.16.3,
Plasma 5.21.5, Frameworks %.82.0, Qt 5.15.2.

The menu item "File --> New --> Main Widow" has been removed. Simply starting
KMail, then saying "kmail" in a terminal window won't fire up a second instance
of the program. But "d-bus-launch kmail" will start a second (and a third)
instance of the program.

I fiddled around with this for a bit, and could not get any of the instances of
KMail to crash. I could navigate to different folders / messages. I ran "qps"
(traces process ids, like a GUI version of "top"). I saw multiple instances of
the akonadi server running, which might eventually cause a problem. Memory
usage was pretty high. Killing the extra instances of kmail left "phantom"
instances of akonadi hanging around ... I'm too lazy to try killing them one by
one, so will probably just reboot to clean up the process tree..

The only really odd thing I noticed is that the system tray icon was not
recreated when I opened a second main KMail window. And if I "quit" from the
system tray, the second instance of KMail keeps on running.

Does anybody have any objection to marking this bug "resolved"?

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Gunter Ohrner]

https://bugs.kde.org/show_bug.cgi?id=340014

--- Comment #12 from Gunter Ohrner  ---
I'm not using kMail any more since a few years, as it was just too unreliable.

More than once I had the problem that I suddenly ended up with a non-working
email program after upgrades to a KDE bugfix or next stable release due to some
obscure Akonadi and other problems.


However, as far as I remember, the feature "File->New->Main Window" was removed
from kMail alltogether to "fix" other issues the occured in relation to
multiple main windows. As I was used to work with those before, it was quite a
set-back back then.

So maybe the original issue here is not relevant any more at all, although I
don't know about the issues Dennis mentioned in Comment 10 in 2017 - so not
sure if this could be closed as "worksforme" or whatever...

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Justin Zobel]

https://bugs.kde.org/show_bug.cgi?id=340014

--- Comment #11 from Justin Zobel  ---
Thank you for the crash report.

As it has been a while since this was reported, can you please test and confirm
if this issue is still occurring or if this bug report can be marked as
resolved.

I have set the bug status to "needsinfo" pending your response, please change
back to "reported" or "resolved/worksforme" when you respond, thank you.

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 CC||kde...@posteo.de
 Resolution|WONTFIX |---
Version|4.14.1  |5.2.3
 Ever confirmed|0   |1

--- Comment #10 from Denis Kurz  ---
Actually, this bug was reported for much more recent versions, although the way
to trigger it is not the same.

I think I have a rough idea what happened: When a new KMail instance is
created, its KMSystemTray is created as a copy from another KMSystemTray. This
class has a raw d-pointer, but no copy control. Now when one of the instances
is destroyed, the other has a dangling d-pointer.

That's just an educated guess, though. I'm still very confused by the gigantic
pim codebase, so I might have missed several important details.

The duplicate bug 375330 was reported for 5.2.3.

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||rodney.ba...@iinet.net.au

--- Comment #9 from Denis Kurz  ---
*** Bug 357150 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||eddielepri...@sky.com

--- Comment #3 from Denis Kurz  ---
*** Bug 341712 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||k...@kolivas.org

--- Comment #2 from Denis Kurz  ---
*** Bug 375330 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||staka...@freenet.de

--- Comment #8 from Denis Kurz  ---
*** Bug 347236 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||felixel...@gmail.com

--- Comment #7 from Denis Kurz  ---
*** Bug 349178 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

--- Comment #6 from Denis Kurz  ---
*** Bug 342329 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||johannes.willk...@gmail.com

--- Comment #5 from Denis Kurz  ---
*** Bug 346257 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Denis Kurz]

https://bugs.kde.org/show_bug.cgi?id=340014

Denis Kurz  changed:

   What|Removed |Added

 CC||abys...@gmail.com

--- Comment #4 from Denis Kurz  ---
*** Bug 341938 has been marked as a duplicate of this bug. ***

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[kmail2] [Bug 340014] kMail crashes when opening a new main window if the original (first) main window has been closed

[Gunter Ohrner via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=340014

Gunter Ohrner  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |WONTFIX

--- Comment #1 from Gunter Ohrner  ---
The feature to be able to open multiple mail windows has simply been removed
from kMail to get rid of bugs like this...

So technically it's not fixed, but it also cannot be reproduced any more...

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