[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

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 CC||juampa2...@hotmail.com

--- Comment #179 from Jan Grulich  ---
*** Bug 392627 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #178 from David Edmundson  ---
*** Bug 386121 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||pedron.alexan...@gmail.com

--- Comment #177 from David Edmundson  ---
*** Bug 385511 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Martin van Es]

https://bugs.kde.org/show_bug.cgi?id=346118

Martin van Es  changed:

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 CC|b...@mrvanes.com|

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[bugzilla_noreply]

https://bugs.kde.org/show_bug.cgi?id=346118

vcato1...@yahoo.com changed:

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||yousuckyoujack...@gmail.com

--- Comment #176 from David Edmundson  ---
*** Bug 379370 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||k...@mva.name

--- Comment #175 from David Edmundson  ---
*** Bug 379032 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||peter.sutta...@gmail.com

--- Comment #174 from David Edmundson  ---
*** Bug 378609 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Doug]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #173 from Doug  ---
The duplicate bug 374634 was encountered in Plasma Ver. 5.8.3, Frameworks
5.26.0, Qt 5.6.1, kernel 4.4.49-16-default, os 64-bit, and a patched plasma-nm5
5.8.2-1.1.  Continues to be encountered.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Marco Martin]

https://bugs.kde.org/show_bug.cgi?id=346118

Marco Martin  changed:

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 CC||su...@getnada.com

--- Comment #172 from Marco Martin  ---
*** Bug 378141 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||dougt901-2...@yahoo.com

--- Comment #171 from Jan Grulich  ---
*** Bug 374634 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Ralf Habacker]

https://bugs.kde.org/show_bug.cgi?id=346118

Ralf Habacker  changed:

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 CC||ralf.habacker@saght.tessag.
   ||com

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||frederic.ra...@gmail.com

--- Comment #170 from David Edmundson  ---
*** Bug 374580 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #169 from David Edmundson  ---
*** Bug 373594 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Thomas Rother]

https://bugs.kde.org/show_bug.cgi?id=346118

Thomas Rother  changed:

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 CC||t.rot...@netzwissen.de

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||friberg.joac...@gmail.com

--- Comment #168 from David Edmundson  ---
*** Bug 373196 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Thomas Rother]

https://bugs.kde.org/show_bug.cgi?id=346118

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[temple]

https://bugs.kde.org/show_bug.cgi?id=346118

temple  changed:

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||bym...@gmail.com

--- Comment #167 from Jan Grulich  ---
*** Bug 372303 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Igor Zhuravlov]

https://bugs.kde.org/show_bug.cgi?id=346118

Igor Zhuravlov  changed:

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 CC|zhuravlov...@ya.ru  |

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Rewarp]

https://bugs.kde.org/show_bug.cgi?id=346118

Rewarp  changed:

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||miguel.armand...@gmail.com

--- Comment #166 from David Edmundson  ---
*** Bug 372595 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||root.dil...@gmail.com

--- Comment #165 from David Edmundson  ---
*** Bug 372368 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Paul Konecny via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

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 CC|p...@konecny.at |

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||geor...@sancosme.net

--- Comment #164 from David Edmundson  ---
*** Bug 370539 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #163 from David Edmundson  ---
*** Bug 369583 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||dgp...@gmail.com

--- Comment #162 from David Edmundson  ---
*** Bug 369282 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||solomonirai...@gmail.com

--- Comment #161 from David Edmundson  ---
*** Bug 368781 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Rex Dieter via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Rex Dieter  changed:

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 CC||memare...@gmail.com

--- Comment #160 from Rex Dieter  ---
*** Bug 368667 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||ad...@mt-webstudio.net

--- Comment #158 from David Edmundson  ---
*** Bug 366369 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #157 from David Edmundson  ---
*** Bug 366145 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||chrismar...@gmail.com

--- Comment #156 from David Edmundson  ---
*** Bug 366193 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

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 CC||poo...@gmail.com

--- Comment #155 from David Edmundson  ---
*** Bug 366228 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||marcelo.gabr...@gmail.com
 CC||iamgr...@zoho.com

--- Comment #153 from David Edmundson  ---
*** Bug 366287 has been marked as a duplicate of this bug. ***

--- Comment #154 from David Edmundson  ---
*** Bug 366270 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||marcelo.gabr...@gmail.com

--- Comment #153 from David Edmundson  ---
*** Bug 366287 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #152 from white...@gmail.com ---
(In reply to Lamarque V. Souza from comment #151)

> This is definitely a different bug than this one. Please open a different
> bug report to continue this conversation there.

Ok, my apologies, I opened a new bug report
https://bugs.kde.org/show_bug.cgi?id=366164

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #151 from Lamarque V. Souza  ---
(In reply to whites11 from comment #150)
> (In reply to Lamarque V. Souza from comment #149)
> > (In reply to whites11 from comment #148)
> > > anyway I still see no backtrace.
> > > Could you help me using gdb directly without coredumpctl?
> > 
> > In konsole:
> > 
> > $ kquitapp5 plasmashell
> > $ gdb plasmashell
> > gdb> run
> 
> Thanks.
> this is a (kind of) backtrace I got from the above procedure:
> 
> Thread 1 "plasmashell" received signal SIGSEGV, Segmentation fault.
> 0x7fff39443179 in NetworkStatus:: Ptr&)>::operator() (__closure=, right=..., left=...)
> at
> /home/whites/Downloads/plasma-nm/src/plasma-nm-5.7.2/libs/declarative/
> networkstatus.cpp:168
> 168 return
> NetworkStatus::connectionTypeToSortedType(left->type()) <=
> NetworkStatus::connectionTypeToSortedType(right->type());

This is definitely a different bug than this one. Please open a different bug
report to continue this conversation there.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #150 from white...@gmail.com ---
(In reply to Lamarque V. Souza from comment #149)
> (In reply to whites11 from comment #148)
> > anyway I still see no backtrace.
> > Could you help me using gdb directly without coredumpctl?
> 
> In konsole:
> 
> $ kquitapp5 plasmashell
> $ gdb plasmashell
> gdb> run

Thanks.
this is a (kind of) backtrace I got from the above procedure:

Thread 1 "plasmashell" received signal SIGSEGV, Segmentation fault.
0x7fff39443179 in NetworkStatus::::operator() (__closure=, right=..., left=...)
at
/home/whites/Downloads/plasma-nm/src/plasma-nm-5.7.2/libs/declarative/networkstatus.cpp:168
168 return NetworkStatus::connectionTypeToSortedType(left->type())
<= NetworkStatus::connectionTypeToSortedType(right->type());

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #149 from Lamarque V. Souza  ---
(In reply to whites11 from comment #148)
> anyway I still see no backtrace.
> Could you help me using gdb directly without coredumpctl?

In konsole:

$ kquitapp5 plasmashell
$ gdb plasmashell
gdb> run

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #148 from white...@gmail.com ---
(In reply to madcatx from comment #147)
> You need both qt5-declarative and plasma-nm package built with debugging
> symbols to get a useful backtrace. Are you sure you set options=("!strip")
> in plasma-nm's PKGBUILD? Without it the debugging symbols get stripped away.
> I'm not sure what is the point to run gdb through codedumpctl, running just
> plain gdb worked perfectly fine for me.

Thanks for reply.
plasma-nm is not stripped:

/usr/lib/libplasmanm_internal.so: ELF 64-bit LSB shared object, x86-64, version
1 (GNU/Linux), dynamically linked,
BuildID[sha1]=dbdc42f144e99d59f1e83c1b331bcf50234db6cc, not stripped

qt is not stripped:

/usr/lib/libQt5Gui.so.5.7.0: ELF 64-bit LSB shared object, x86-64, version 1
(GNU/Linux), dynamically linked,
BuildID[sha1]=62cb08d718d538911260b1462f9f5b34dcdd4b94, not stripped

qt5-declarative is not stripped

/usr/lib/libQt5Qml.so.5.7.0: ELF 64-bit LSB shared object, x86-64, version 1
(GNU/Linux), dynamically linked,
BuildID[sha1]=849296eda22a1f1d6ef416f95b8983efdf9bd8f4, not stripped

anyway I still see no backtrace.
Could you help me using gdb directly without coredumpctl?

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #147 from madc...@atlas.cz ---
You need both qt5-declarative and plasma-nm package built with debugging
symbols to get a useful backtrace. Are you sure you set options=("!strip") in
plasma-nm's PKGBUILD? Without it the debugging symbols get stripped away. I'm
not sure what is the point to run gdb through codedumpctl, running just plain
gdb worked perfectly fine for me.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #146 from white...@gmail.com ---
I installed the debug version of qt-declarative but still no backtrace.
Which of the packages at the following link could be the correct one in your
opinion?

https://github.com/The-Compiler/qt-debug-pkgbuild

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #145 from Lamarque V. Souza  ---
(In reply to whites11 from comment #144)
> I recompiled plasma-desktop and plasma-nm with debug enabled but I must have
> done something wrong because I cannot produce a significative backtrace.
> If you guide me I can reproduce the problem very precisely to get the
> backtrace.

The assert triggered here is in QtDeclarative, so you must load Qt's symbols to
get a good backtrace. Have you tried this?
https://wiki.archlinux.org/index.php/Debug_-_Getting_Traces

> Stack trace of thread 19230:
> #0  0x7fe55ce10179 operator()
> (/usr/lib/qt/qml/org/kde/plasma/networkmanagement/libplasmanm_qmlplugins.so)

This indicates a problem in an operator() function. I do not recall any
operator() in the backtraces about this bug.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

white...@gmail.com changed:

   What|Removed |Added

 CC||white...@gmail.com

--- Comment #144 from white...@gmail.com ---
For me this bug appeared a few days ago.
My system details:

up-to-date arch linux.
plasma-nm: 5.7.2
plasma-workspace: 5.7.2
qt: 5.7.0

when I try to connect to a VPN using networkmanager the whole plasmashell
crashes.
I recompiled plasma-desktop and plasma-nm with debug enabled but I must have
done something wrong because I cannot produce a significative backtrace.
If you guide me I can reproduce the problem very precisely to get the
backtrace.

# coredumpctl gdb plasmashell
   PID: 19230 (plasmashell)
   UID: 1000 (whites)
   GID: 100 (users)
Signal: 11 (SEGV)
 Timestamp: lun 2016-07-25 15:23:17 CEST (1 day 3h ago)
  Command Line: /usr/bin/plasmashell
Executable: /usr/bin/plasmashell
 Control Group: /user.slice/user-1000.slice/session-c2.scope
  Unit: session-c2.scope
 Slice: user-1000.slice
   Session: c2
 Owner UID: 1000 (whites)
   Boot ID: a9d393454c334abbbc38526fe46a6eed
Machine ID: 33cac937ea1a406db83de0e81f0d58af
  Hostname: whitesbook
  Coredump:
/var/lib/systemd/coredump/core.plasmashell.1000.a9d393454c334abbbc38526fe46a6eed.19230.1469452997.lz4
   Message: Process 19230 (plasmashell) of user 1000 dumped core.

Stack trace of thread 19230:
#0  0x7fe55ce10179 operator()
(/usr/lib/qt/qml/org/kde/plasma/networkmanagement/libplasmanm_qmlplugins.so)

GNU gdb (GDB) 7.11.1
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
.
Find the GDB manual and other documentation resources online at:
.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/bin/plasmashell...done.
BFD: Warning: /var/tmp/coredump-ur2o55 is truncated: expected core file size >=
2350624768, found: 2147483648.
[New LWP 19230]
[New LWP 19235]
[New LWP 19233]
[New LWP 19236]
[New LWP 19237]
[New LWP 19238]
[New LWP 19239]
Cannot access memory at address 0x7fe61bb470e8
Cannot access memory at address 0x7fe61bb470e0
Failed to read a valid object file image from memory.
Core was generated by `/usr/bin/plasmashell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x7fe55ce10179 in ?? ()
[Current thread is 1 (LWP 19230)]
(gdb) bt
#0  0x7fe55ce10179 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7ffe81ea8b30

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||ralf.habac...@freenet.de

--- Comment #143 from David Edmundson  ---
*** Bug 365902 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #142 from David Edmundson  ---
*** Bug 365860 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #141 from David Edmundson  ---
*** Bug 365730 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||robby.engelm...@igfs-ev.de

--- Comment #140 from Jan Grulich  ---
*** Bug 365341 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||adami...@gmail.com

--- Comment #137 from David Edmundson  ---
*** Bug 364442 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||raf...@gmail.com

--- Comment #136 from David Edmundson  ---
*** Bug 364671 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||mailshader-de...@yahoo.it

--- Comment #135 from David Edmundson  ---
*** Bug 364484 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||maxwell.p.bottiger.civ@mail
   ||.mil

--- Comment #134 from David Edmundson  ---
*** Bug 364377 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Max via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #133 from Max  ---
Perhaps it's not that you can't send multiple dataChanged signals without
returning to event loop, but dataChanged is not correct signal here.
dataChanged must be sent if only data of items is changed, but since order of
the items in the list is also changing, beginResetModel-endResetModel pair or
layoutAboutToBeChanged-layoutChanged are both correct solutions here.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||alnaami.na...@gmail.com

--- Comment #132 from Christoph Feck  ---
*** Bug 364344 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Lamarque V. Souza  changed:

   What|Removed |Added

  Latest Commit||http://commits.kde.org/plas
   ||ma-nm/ee14918070204deabcf48
   ||a669edf97a427f1d0f2
 Resolution|--- |FIXED
 Status|REOPENED|RESOLVED

--- Comment #131 from Lamarque V. Souza  ---
Git commit ee14918070204deabcf48a669edf97a427f1d0f2 by Lamarque V. Souza.
Committed on 15/06/2016 at 18:08.
Pushed by lvsouza into branch 'master'.

Reset the whole model instead of emitting dataChanged() for each item.

Emitting several dataChanged() in a row, without going back to Qt's event
loop in between seems to cause reentrancy problems in the QML delegates
connected to this model.

Upstream version of our bug #346118:
https://bugreports.qt.io/browse/QTBUG-53677

Tentative patch to fix the bug above:
https://codereview.qt-project.org/#/c/160884/

M  +9-3libs/models/networkmodel.cpp

http://commits.kde.org/plasma-nm/ee14918070204deabcf48a669edf97a427f1d0f2

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Yözen Hernández via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Yözen Hernández  changed:

   What|Removed |Added

 CC||yzhern...@gmail.com

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #130 from madc...@atlas.cz ---
I applied the patch to plasma-nm a few days ago and things seem good so far. I
tried to juggle with various wired, wireless and VPN network this morning to
give it a bit of a stress test and plasma-nm handled everything perfectly. I
don't move around with my laptop a lot these days so I cannot replicate the
conditions where I was noticing the problems well enough; on the other hand I
was always getting a few plasma crashes a week because of this and plasma
stayed rock-solid since I applied the patch.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jonas via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jonas  changed:

   What|Removed |Added

 CC|k...@johnassel.de|

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||gajjful...@gmail.com

--- Comment #129 from Christoph Feck  ---
*** Bug 364255 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Sven Wappler via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Sven Wappler  changed:

   What|Removed |Added

 CC|s...@wappler.eu |

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||gpawelc...@gmail.com

--- Comment #126 from Christoph Feck  ---
*** Bug 363469 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||tyduptyle...@gmail.com

--- Comment #125 from Christoph Feck  ---
*** Bug 363241 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||blackmetalow...@o2.pl

--- Comment #124 from Christoph Feck  ---
*** Bug 363145 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||lucidlytwis...@gmail.com

--- Comment #123 from Christoph Feck  ---
*** Bug 363095 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Christoph Feck via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Christoph Feck  changed:

   What|Removed |Added

 CC||web-...@mfuchs.org

--- Comment #122 from Christoph Feck  ---
*** Bug 360842 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Diego via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #120 from Diego  ---
(In reply to Lamarque V. Souza from comment #119)
> 
> This bug entry is about the crash when changing MTU value. You have to open
> another bug report about other bugs.

Weird thing is that:
- VPN crash reports get marked (for example by Jan Grulich) as a duplicate of
this bug
- you previous patch against qtdeclarative fixed the problem with VPN too.

So there's probably no need to open separate reports yet (or we can just
"unduplicate" one of the VPN ones).

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #119 from Lamarque V. Souza  ---
(In reply to Roland from comment #118)
> (In reply to Lamarque V. Souza from comment #115)
> > Created attachment 99393 [details]
> > Fix problem without  changing libQt5Qml.
> > 
> > Can someone test this patch against Plasma NM? You must revert the patch to
> > qtdeclarative. This is another attempt to fix the crash, it works for me.
> > The issue with the other patch is that it probably fixes a symptom instead
> > of the real problem: https://codereview.qt-project.org/#/c/160884/
> 
> This patch refelcts the plasama-nm crashes when connecting to a vpn?
> 
> How do i apply this patch? This matter is new for me.

This bug entry is about the crash when changing MTU value. You have to open
another bug report about other bugs.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Roland via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #118 from Roland  ---
(In reply to Lamarque V. Souza from comment #115)
> Created attachment 99393 [details]
> Fix problem without  changing libQt5Qml.
> 
> Can someone test this patch against Plasma NM? You must revert the patch to
> qtdeclarative. This is another attempt to fix the crash, it works for me.
> The issue with the other patch is that it probably fixes a symptom instead
> of the real problem: https://codereview.qt-project.org/#/c/160884/

This patch refelcts the plasama-nm crashes when connecting to a vpn?

How do i apply this patch? This matter is new for me.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Bhushan Shah via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Bhushan Shah  changed:

   What|Removed |Added

 CC||jmohs...@gmail.com

--- Comment #117 from Bhushan Shah  ---
*** Bug 363996 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Bhushan Shah via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Bhushan Shah  changed:

   What|Removed |Added

 CC||silp1...@gmail.com

--- Comment #116 from Bhushan Shah  ---
*** Bug 364032 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #115 from Lamarque V. Souza  ---
Created attachment 99393
  --> https://bugs.kde.org/attachment.cgi?id=99393=edit
Fix problem without  changing libQt5Qml.

Can someone test this patch against Plasma NM? You must revert the patch to
qtdeclarative. This is another attempt to fix the crash, it works for me. The
issue with the other patch is that it probably fixes a symptom instead of the
real problem: https://codereview.qt-project.org/#/c/160884/

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Roland via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Roland  changed:

   What|Removed |Added

 CC||fedoraisgr...@gmail.com

--- Comment #114 from Roland  ---
I am having the same issue, on ubuntu 16.04.

Plasma-nm crashes when i press connect on an excisting pre-configured vpn.

Kind regards

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Dennis Schridde via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #113 from Dennis Schridde  ---
(In reply to madcatx from comment #111)
> Somewhat off topic:
> 
> I wanted to try out Lamarque's proposed fix but I ran into what seems to be
> problem with GCC 6. No matter whether I build the qt5-declarative package
> (Arch Linux) with our without the patch I always get a segfault in
> libQt5Qml.so. It's difficult to debug because I cannot even log in since the
> problem takes down the sddm-greeter. Original package from Arch Linux repo
> which was built with GCC 5 works. Has anybody else experienced this?

What you see is probably the results of undefined behaviour, which in GCC 6
results in crashes due to more aggressive optimisations:
https://bugreports.qt.io/browse/QTBUG-52057

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #112 from Jan Grulich  ---
Check our Fedora package, we have GCC 6 for a while in Fedora 24+ and had some
troubles with that if I remember correctly.

Link: http://pkgs.fedoraproject.org/cgit/rpms/qt5-qtdeclarative.git/log/?h=f24

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #111 from madc...@atlas.cz ---
Somewhat off topic:

I wanted to try out Lamarque's proposed fix but I ran into what seems to be
problem with GCC 6. No matter whether I build the qt5-declarative package (Arch
Linux) with our without the patch I always get a segfault in libQt5Qml.so. It's
difficult to debug because I cannot even log in since the problem takes down
the sddm-greeter. Original package from Arch Linux repo which was built with
GCC 5 works. Has anybody else experienced this?

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Franck Sicard via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Franck Sicard  changed:

   What|Removed |Added

 CC|franck.sic...@3demi.net |

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Diego via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #110 from Diego  ---
(In reply to Diego from comment #109)
> (In reply to Lamarque V. Souza from comment #108)
> > Created attachment 99222 [details]
> > Fix crash in libQt5Qml
> > 
> > This patch against qtdeclarative-opensource-src-5.5.1 fixes the problem for
> > me. Somehow the items QList shrinks from 12 items to 10 items during the for
> > loop, which causes the crash. Please test this patch and report if it fixes
> > the problem for you too.
> 
> Here are Fedora 23 packages including the patch, for those interested in
> testing:
> https://cloud.wyffy.com/index.php/s/C4zaHblCObJaxIr
> I'll report my testing results soon.

@Lamarque: so far so good; I haven't been able to reproduce the crash with your
patch applied.

For those on Fedora 23/24, please don't use my packages, as now an official
package has been submitted for testing:
https://bodhi.fedoraproject.org/updates/FEDORA-2016-e78000fedc
https://bugzilla.redhat.com/show_bug.cgi?id=1259472

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Bruno Léon via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Bruno Léon  changed:

   What|Removed |Added

 CC||bruno.l...@nividic.org

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Diego via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #109 from Diego  ---
(In reply to Lamarque V. Souza from comment #108)
> Created attachment 99222 [details]
> Fix crash in libQt5Qml
> 
> This patch against qtdeclarative-opensource-src-5.5.1 fixes the problem for
> me. Somehow the items QList shrinks from 12 items to 10 items during the for
> loop, which causes the crash. Please test this patch and report if it fixes
> the problem for you too.

Here are Fedora 23 packages including the patch, for those interested in
testing:
https://cloud.wyffy.com/index.php/s/C4zaHblCObJaxIr
I'll report my testing results soon.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Lamarque V . Souza via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #108 from Lamarque V. Souza  ---
Created attachment 99222
  --> https://bugs.kde.org/attachment.cgi?id=99222=edit
Fix crash in libQt5Qml

This patch against qtdeclarative-opensource-src-5.5.1 fixes the problem for me.
Somehow the items QList shrinks from 12 items to 10 items during the for loop,
which causes the crash. Please test this patch and report if it fixes the
problem for you too.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||nancen...@gmail.com
 CC||hanj...@gmail.com

--- Comment #106 from Jan Grulich  ---
*** Bug 363208 has been marked as a duplicate of this bug. ***

--- Comment #107 from Jan Grulich  ---
*** Bug 363101 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||nancen...@gmail.com
 CC||hanj...@gmail.com

--- Comment #106 from Jan Grulich  ---
*** Bug 363208 has been marked as a duplicate of this bug. ***

--- Comment #107 from Jan Grulich  ---
*** Bug 363101 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

valdi...@gmail.com changed:

   What|Removed |Added

 CC||valdi...@gmail.com

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||jarlgjess...@gmail.com
 CC||jakob.br...@posteo.de

--- Comment #104 from Jan Grulich  ---
*** Bug 362753 has been marked as a duplicate of this bug. ***

--- Comment #105 from Jan Grulich  ---
*** Bug 362737 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||jarlgjess...@gmail.com

--- Comment #104 from Jan Grulich  ---
*** Bug 362753 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||kdeb...@canavan.de
 CC||adnan...@gmail.com

--- Comment #102 from Jan Grulich  ---
*** Bug 362819 has been marked as a duplicate of this bug. ***

--- Comment #103 from Jan Grulich  ---
*** Bug 362781 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||kdeb...@canavan.de

--- Comment #102 from Jan Grulich  ---
*** Bug 362819 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Diego via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #101 from Diego  ---
(In reply to Diego from comment #100)
> (In reply to Rex Dieter from comment #99)
> > Taking the liberty of re-opening this bug, at least until some Qt upstream
> > bug gets (re)opened
> 
> I've commented on:
> https://bugreports.qt.io/browse/QTBUG-43827
> Hope it's the correct report.

Looks like it wasn't the correct one.
Giuseppe D'Angelo from Qt wrote: "I don't think it's about this bug. This is
about a specific regression introduced in a commit, which led to reverting the
code to the previous version. Hence either you're talking about the bug that
was meant to be fixed (QTBUG-1548), or about some other bug, which is quite
likely since QTBUG-1548 is not about fixing some crash. "

So is this KDE crash a consequence of modified sorting caused by the (open)
QTBUG-1548?
https://bugreports.qt.io/browse/QTBUG-1548

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Diego via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #100 from Diego  ---
(In reply to Rex Dieter from comment #99)
> Taking the liberty of re-opening this bug, at least until some Qt upstream
> bug gets (re)opened

I've commented on:
https://bugreports.qt.io/browse/QTBUG-43827
Hope it's the correct report.

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Andreas Steffan via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Andreas Steffan  changed:

   What|Removed |Added

 CC||a.stef...@deas-online.de

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Rex Dieter via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Rex Dieter  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|UPSTREAM|---
 Ever confirmed|0   |1

--- Comment #99 from Rex Dieter  ---
Taking the liberty of re-opening this bug, at least until some Qt upstream bug
gets (re)opened

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||pereira.a...@gmail.com

--- Comment #98 from David Edmundson  ---
*** Bug 362633 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||carlo.toni...@gmail.com

--- Comment #97 from Jan Grulich  ---
*** Bug 362574 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||juergen.scholz...@gmail.com
 CC||florian.westp...@posteo.de

--- Comment #94 from David Edmundson  ---
*** Bug 358245 has been marked as a duplicate of this bug. ***

--- Comment #95 from David Edmundson  ---
*** Bug 362054 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||julius.schwartzenberg@gmail
   ||.com

--- Comment #96 from David Edmundson  ---
*** Bug 362159 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

David Edmundson  changed:

   What|Removed |Added

 CC||juergen.scholz...@gmail.com

--- Comment #94 from David Edmundson  ---
*** Bug 358245 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[Jan Grulich via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

Jan Grulich  changed:

   What|Removed |Added

 CC||registrazi...@fracassa.org

--- Comment #93 from Jan Grulich  ---
*** Bug 362072 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #92 from madc...@atlas.cz ---
I finally managed to get a good backtrace. This looks a lot like a threading
issue. Something seems to modify the "items" QVector while the notify()
function in QQmlAdaptorModel is iterating over it. I removed the pass by
reference to the nofity() function and with that removed I don't get the crash
anymore but the notifications are sent to wrong targets. Let's hope that the Qt
folk can sort this out.

--- Backtrace ---

DAVE notifying delegates
DAVE notifying delegates
DAVE notifying delegates
DAVE notifying delegates
DAVE notifying delegates
ASSERT failure in QList::at: "index out of range", file
/usr/include/qt/QtCore/qlist.h, line 531

Thread 1 "plasmashell" received signal SIGABRT, Aborted.
0x7122c2a8 in raise () from /usr/lib/libc.so.6
(gdb) bt
#0  0x7122c2a8 in raise () from /usr/lib/libc.so.6
#1  0x7122d72a in abort () from /usr/lib/libc.so.6
#2  0x719aef41 in QMessageLogger::fatal(char const*, ...) const () from
/usr/lib/libQt5Core.so.5
#3  0x719aa2d1 in qt_assert_x(char const*, char const*, char const*,
int) () from /usr/lib/libQt5Core.so.5
#4  0x74b4aeb7 in QList::at (i=10, this=0x360cf08) at
/usr/include/qt/QtCore/qlist.h:531
#5  VDMModelDelegateDataType::notify (this=, items=...,
index=,
count=, roles=...)
at
/home/madcat/abs/qt5-declarative/src/qtdeclarative-opensource-src-5.6.0/src/qml/util/qqmladaptormodel.cpp:172
#6  0x74dbe36a in QQmlAdaptorModel::notify (roles=..., count=10,
index=, items=...,
this=0x360cdc8)
at
/home/madcat/abs/qt5-declarative/src/qtdeclarative-opensource-src-5.6.0/include/QtQml/5.6.0/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:129
#7  QQmlDelegateModel::_q_itemsChanged (this=this@entry=0x360c6c0,
index=index@entry=0, count=10, roles=...)
at
/home/madcat/abs/qt5-declarative/src/qtdeclarative-opensource-src-5.6.0/src/qml/types/qqmldelegatemodel.cpp:1142
#8  0x74dc319c in QQmlDelegateModel::_q_layoutChanged (this=0x360c6c0,
parents=..., hint=)
at
/home/madcat/abs/qt5-declarative/src/qtdeclarative-opensource-src-5.6.0/src/qml/types/qqmldelegatemodel.cpp:1606
#9  0x74deb0bf in QQmlDelegateModel::qt_static_metacall
(_o=_o@entry=0x360c6c0,
_c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=14,
_a=_a@entry=0x7fffd300)
at .moc/moc_qqmldelegatemodel_p.cpp:205
#10 0x74deb8b8 in QQmlDelegateModel::qt_metacall (this=0x360c6c0,
_c=QMetaObject::InvokeMetaMethod,
_id=14, _a=0x7fffd300) at .moc/moc_qqmldelegatemodel_p.cpp:347
#11 0x71bc69f0 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#12 0x71c3fac6 in
QAbstractItemModel::layoutChanged(QList const&,
QAbstractItemModel::LayoutChangeHint) () from /usr/lib/libQt5Core.so.5
#13 0x71b688d1 in ?? () from /usr/lib/libQt5Core.so.5
#14 0x71b6a458 in ?? () from /usr/lib/libQt5Core.so.5
#15 0x71bc6870 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#16 0x71c3f9dc in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector const&) () from /usr/lib/libQt5Core.so.5
#17 0x7fff2b1cac1d in NetworkModel::updateItem(NetworkModelItem*) () from
/usr/lib/libplasmanm_internal.so
#18 0x7fff2b1cbc34 in
NetworkModel::activeConnectionStateChanged(NetworkManager::ActiveConnection::State)
() from /usr/lib/libplasmanm_internal.so
#19 0x71bc6bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#20 0x7fff2af60f91 in
NetworkManager::ActiveConnection::stateChanged(NetworkManager::ActiveConnection::State)
() from /usr/lib/libKF5NetworkManagerQt.so.6
#21 0x7fff2aea7c4a in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#22 0x71bc6bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#23 0x7fff2af69b93 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#24 0x7fff2af71583 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#25 0x7298e643 in ?? () from /usr/lib/libQt5DBus.so.5
#26 0x71bc7659 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#27 0x72d4b68c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#28 0x72d508f6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#29 0x71b9a518 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#30 0x71b9c3da in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#31 0x71bef883 in ?? () from /usr/lib/libQt5Core.so.5
#32 0x7fffed757f07 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#33 0x7fffed758160 in ?? () from /usr/lib/libglib-2.0.so.0
#34 0x7fffed75820c in g_main_context_iteration () from

[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[David Edmundson via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #91 from David Edmundson  ---
*** Bug 361749 has been marked as a duplicate of this bug. ***

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[plasma-nm] [Bug 346118] Plasmashell crash when disconnecting/reconnecting my WiFi connection after changing MTU

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=346118

--- Comment #90 from madc...@atlas.cz ---
I gave it another go, this time with plasmashell running in a debugger. I'm
afraid that this is the best I can do for now:

DAVE notifying delegates
DAVE notifying delegates
DAVE notifying delegates
DAVE notifying delegates

Thread 1 "plasmashell" received signal SIGBUS, Bus error.
0x74bec6c6 in ?? () from /usr/lib/libQt5Qml.so.5
(gdb) bt
#0  0x74bec6c6 in ?? () from /usr/lib/libQt5Qml.so.5
#1  0x74e3600a in QQmlDelegateModel::_q_itemsChanged(int, int,
QVector const&) () from /usr/lib/libQt5Qml.so.5
#2  0x74e3a7d0 in
QQmlDelegateModel::_q_layoutChanged(QList const&,
QAbstractItemModel::LayoutChangeHint)
() from /usr/lib/libQt5Qml.so.5
#3  0x74e5daff in ?? () from /usr/lib/libQt5Qml.so.5
#4  0x74e5e298 in QQmlDelegateModel::qt_metacall(QMetaObject::Call,
int, void**) () from /usr/lib/libQt5Qml.so.5
#5  0x71c729f0 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#6  0x71cebac6 in
QAbstractItemModel::layoutChanged(QList const&,
QAbstractItemModel::LayoutChangeHint) ()
   from /usr/lib/libQt5Core.so.5
#7  0x71c148d1 in ?? () from /usr/lib/libQt5Core.so.5
#8  0x71c16458 in ?? () from /usr/lib/libQt5Core.so.5
#9  0x71c72870 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#10 0x71ceb9dc in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector const&) ()
   from /usr/lib/libQt5Core.so.5
#11 0x7fff2b29ec1d in NetworkModel::updateItem(NetworkModelItem*) () from
/usr/lib/libplasmanm_internal.so
#12 0x7fff2b29fc34 in
NetworkModel::activeConnectionStateChanged(NetworkManager::ActiveConnection::State)
()
   from /usr/lib/libplasmanm_internal.so
#13 0x71c72bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#14 0x7fff2b034f91 in
NetworkManager::ActiveConnection::stateChanged(NetworkManager::ActiveConnection::State)
()
   from /usr/lib/libKF5NetworkManagerQt.so.6
#15 0x7fff2af7bc4a in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#16 0x71c72bae in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#17 0x7fff2b03db93 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#18 0x7fff2b045583 in ?? () from /usr/lib/libKF5NetworkManagerQt.so.6
#19 0x72a3a643 in ?? () from /usr/lib/libQt5DBus.so.5
#20 0x71c73659 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#21 0x72df768c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#22 0x72dfc8f6 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#23 0x71c46518 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#24 0x71c483da in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#25 0x71c9b883 in ?? () from /usr/lib/libQt5Core.so.5
#26 0x7fffed803f07 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#27 0x7fffed804160 in ?? () from /usr/lib/libglib-2.0.so.0
#28 0x7fffed80420c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#29 0x71c9bc8f in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/libQt5Core.so.5
---Type  to continue, or q  to quit---
#30 0x71c446fa in
QEventLoop::exec(QFlags) () from
/usr/lib/libQt5Core.so.5
#31 0x71c4cb7c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#32 0x0041c176 in ?? ()
#33 0x712c5710 in __libc_start_main () from /usr/lib/libc.so.6
#34 0x0041c2d9 in _start ()

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