[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Ian via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

--- Comment #10 from Ian  ---
thanks

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Laurent Montel via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Laurent Montel  changed:

   What|Removed |Added

 Status|CONFIRMED   |RESOLVED
 Resolution|--- |FIXED
 CC||mon...@kde.org

--- Comment #9 from Laurent Montel  ---
Fixed in 5.3.0

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Ian via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Ian  changed:

   What|Removed |Added

 CC||ianse...@yahoo.co.uk

--- Comment #8 from Ian  ---
(In reply to Jonathan Marten from comment #7)
> Possible duplicates: bug 363085, bug 361679.

I'd agree with duplicates

kmail 5.2.3 still not loading GUI after a quit with "Empty Wastebin on Exit"
set to on
Qt: 5.6.1 
KDE Frameworks: 5.24.0
 KDE Plasma: 5.7.1 
Kernel: 4.6.3-1-default 
"openSUSE Tumbleweed (20160712) (x86_64)"

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Jonathan Marten via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Jonathan Marten  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|UNCONFIRMED |CONFIRMED
 CC||j...@keelhaul.me.uk

--- Comment #7 from Jonathan Marten  ---
Possible duplicates: bug 363085, bug 361679.

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Georg Wolfram via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Georg Wolfram  changed:

   What|Removed |Added

 CC||g...@aon.at

--- Comment #6 from Georg Wolfram  ---
I can confirm this bug.

Previously kmail also crashed, when it was started while the old process was
still running, but this is fixed now (somehow). See also


Looking at the code in question I tried to disable 'empty local trash folder on
exit' and it "solved" the problem.

tl;dr:
with 'empty local trash folder on exit' enabled kmail process hangs
indefinitely

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Raymond Wooninck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Raymond Wooninck  changed:

   What|Removed |Added

   Severity|normal  |major

--- Comment #5 from Raymond Wooninck  ---
In a number of cases, this also causes a 100% cpu utilization of the remaining
kmail process. When this happened, I attached gdb to this kmail process and
exactly the same backtrace was generated. 

At this moment it would make kmail not really a good candidate for KDE Apps
16.04

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Raymond Wooninck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

--- Comment #3 from Raymond Wooninck  ---
Hi Dan, 

As requested, I attached gdb to the running process and then entered "t a a bt"
to create the backtrace. The most interesting part would be this:

Thread 1 (Thread 0x7fab6bb5b800 (LWP 3532)):
#0  0x7fab68b69c1d in poll () from /lib64/libc.so.6
#1  0x7fab5e6fbe64 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x7fab5e6fbf7c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x7fab696abb0c in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib64/libQt5Core.so.5
#4  0x7fab69652b23 in
QEventLoop::exec(QFlags) () from
/usr/lib64/libQt5Core.so.5
#5  0x7fab6a4671de in KJob::exec() () from /usr/lib64/libKF5CoreAddons.so.5
#6  0x7fab6b3b9106 in KMKernel::cleanup (this=this@entry=0x7ffc19a85df0)
at
/usr/src/debug/kdepim-15.12.60git.20160120T085743~887bcda/kmail/kmkernel.cpp:1410
#7  0x004042fa in main (argc=1, argv=0x7ffc19a86008)
at
/usr/src/debug/kdepim-15.12.60git.20160120T085743~887bcda/kmail/main.cpp:153

Looking at the source code of kmkernel.cpp (at line 1410) then it seems to try
to run jobStatistics->exec()  which somehow doesn't return. 

Hope this helps. Let me know if you need more info

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Raymond Wooninck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

--- Comment #4 from Raymond Wooninck  ---
A better one with also the debug info for libKF5CoreAddons. It could be that it
is a change in coreaddons.

Thread 1 (Thread 0x7fab6bb5b800 (LWP 3532)):
#0  0x7fab68b69c1d in poll () from /lib64/libc.so.6
#1  0x7fab5e6fbe64 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x7fab5e6fbf7c in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x7fab696abb0c in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib64/libQt5Core.so.5
#4  0x7fab69652b23 in
QEventLoop::exec(QFlags) () from
/usr/lib64/libQt5Core.so.5
#5  0x7fab6a4671de in KJob::exec (this=this@entry=0x96df70)
at
/usr/src/debug/kcoreaddons-5.19.0git.20160109T125454~e8444d1/src/lib/jobs/kjob.cpp:199
#6  0x7fab6b3b9106 in KMKernel::cleanup (this=this@entry=0x7ffc19a85df0)
at
/usr/src/debug/kdepim-15.12.60git.20160120T085743~887bcda/kmail/kmkernel.cpp:1410
#7  0x004042fa in main (argc=1, argv=0x7ffc19a86008)
at
/usr/src/debug/kdepim-15.12.60git.20160120T085743~887bcda/kmail/main.cpp:153

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Raymond Wooninck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

--- Comment #2 from Raymond Wooninck  ---
(In reply to Daniel Vrátil from comment #1)
> Could you try to get a backtrace to see what KMail is doing that's
> preventing it from closing?

Hi Dan,

Sure. As long as you let me know what exactly you are looking for or how I
should get the backtrace :)

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[kmail2] [Bug 358216] kmail keeps running in the background after quitting the program

[Daniel Vrátil via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=358216

Daniel Vrátil  changed:

   What|Removed |Added

 CC||dvra...@kde.org

--- Comment #1 from Daniel Vrátil  ---
Could you try to get a backtrace to see what KMail is doing that's preventing
it from closing?

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