[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #12 from pitlochry  ---
# output of plasmashell (crashing while scroling in holidays' list):
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/configuration/AppletConfiguration.qml:301:21:
QML StackView: Binding loop detected for property "height"  
g   

# output of journalctl: #plasmashell is process 1022
Okt 27 09:59:04 r101181 kwin_x11[1009]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 28826, resource id: 31457387, major code: 15
(QueryTree), minor code: 0
Okt 27 09:59:25 r101181 plasmashell[1022]:
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/configuration/AppletConfiguration.qml:301:21:
QML StackView: Binding loop detected for property "height"
Okt 27 09:59:26 r101181 plasmashell[1022]:
file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/configuration/AppletConfiguration.qml:301:21:
QML StackView: Binding loop detected for property "height"
Okt 27 09:59:27 r101181 kdeinit5[977]: Service 
"org.kde.StatusNotifierHost-1022" unregistered
Okt 27 09:59:27 r101181 ksmserver[999]: ksmserver: autostart service
"plasmashell" finished with exit code  2
Okt 27 09:59:27 r101181 kwin_x11[1009]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 30257, resource id: 31457294, major code: 15
(QueryTree), minor code: 0   
Okt 27 09:59:28 r101181 kwin_x11[1009]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 30303, resource id: 31457424, major code: 15
(QueryTree), minor code: 0   
Okt 27 09:59:28 r101181 kwin_x11[1009]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 30328, resource id: 31457311, major code: 15
(QueryTree), minor code: 0


# output of plasmashell (crashing when enabling holidays and apply):
g

# output of journalctl: #plasmashell is process 805
Okt 27 10:13:43 r101181 kdeinit5[746]: Service 
"org.kde.StatusNotifierHost-805" unregistered   
Okt 27 10:13:43 r101181 ksmserver[769]: ksmserver: autostart service
"plasmashell" finished with exit code  2
Okt 27 10:13:43 r101181 kwin_x11[789]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 12285, resource id: 35651598, major code: 15
(QueryTree), minor code: 0
Okt 27 10:13:43 r101181 kwin_x11[789]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 12331, resource id: 35651869, major code: 15
(QueryTree), minor code: 0
Okt 27 10:13:43 r101181 kwin_x11[789]: QXcbConnection: XCB error: 3
(BadWindow), sequence: 12356, resource id: 35651615, major code: 15
(QueryTree), minor code: 0

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #11 from Christoph Feck  ---
Try running plasmashell in Konsole without kstart. You might need to terminate
the previous instances with "killall plasmashell".

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #10 from pitlochry  ---
Did you mean
$ kstart5 plasmashell 2>&1
the moment plasmashell is killed, it just gives a "g". That's all.

Or what command did you mean?

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #9 from Christoph Feck  ---
It is possible that plasmashell does not really crash (SIGV etc.), but aborts
because of a different condition. Could you add the Konsole output of
plasmashell around the time of the crash?

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #8 from pitlochry  ---
Thanks for your reply. You say "let it crash" afterwards do "(gdb) thread apply
all bt full" ?
The problem is the bug kills plasmashell, so issuing "(gdb) thread apply all bt
full" after crash yields nothing "The program is not being run."

Here's the gdb for /usr/bin/plasmashell, process 776
Continuing.
[New Thread 0x7fcc51ed3700 (LWP 1837)]   #this is ok (digital clock settings)
[Thread 0x7fcd0700 (LWP 865) exited] #all this should not happen
[Thread 0x7fcc51ed3700 (LWP 1837) exited]
[Thread 0x7fcc53ce5700 (LWP 1450) exited]#all this should not happen 
[Thread 0x7fcc74650700 (LWP 931) exited] #all this should not happen
[Thread 0x7fccfeda2700 (LWP 930) exited] #all this should not happen
[Thread 0x7fcd0ca44700 (LWP 929) exited] #all this should not happen
[Thread 0x7fcd0e7c0700 (LWP 921) exited] #all this should not happen
[Thread 0x7fcd15f3d700 (LWP 790) exited] #all this should not happen
[Thread 0x7fcd2ca85800 (LWP 776) exited] #all this should not happen, this
finally kills plasmashell
[Inferior 1 (process 776) exited with code 02]

Which other process should I examine? Which other commands might be helpful?
Sorry I am not a newbee but for this problem apparantly too unexperienced.

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #7 from Christoph Feck  ---
The backtrace does not show a crash. You need to wait until it crashes before
you use the 'bt' gdb command.

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #4 from pitlochry  ---
Mmh, sorry I haven't yet debugged with Arch, Arch currently doesn't offer debug
packages with symbols? The KDE Crash Dialog does not show when plasmashell is
killed by the bug. I tried to retrieve a backtrace with gdb, but mmh...

sudo gdb --pid=808 #this is plasmashell --shut-up
(gdb) set logging file trace.log
(gdb) set logging on
(gdb) thread apply all bt full

See output 1 (perhaps not important).

(gdb) continue

See output 2 (note the comments I made).

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #6 from pitlochry  ---
Created attachment 101791
  --> https://bugs.kde.org/attachment.cgi?id=101791=edit
Output 2

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #5 from pitlochry  ---
Created attachment 101790
  --> https://bugs.kde.org/attachment.cgi?id=101790=edit
Output 1

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[Christoph Feck]

https://bugs.kde.org/show_bug.cgi?id=371666

Christoph Feck  changed:

   What|Removed |Added

 CC||cf...@kde.org

--- Comment #3 from Christoph Feck  ---
Please add the backtrace for the crash. Only the backtrace reveals the
information when component is responsible.

For help with creating backtraces, please see
https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #2 from pitlochry  ---
Created attachment 101776
  --> https://bugs.kde.org/attachment.cgi?id=101776=edit
Crash when enabling Holidays

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[kholidays] [Bug 371666] Plasma crashes irreversibly when enabling Holidays or scroling in Holidays' list

[pitlochry via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=371666

--- Comment #1 from pitlochry  ---
Created attachment 101775
  --> https://bugs.kde.org/attachment.cgi?id=101775=edit
Crash when scroling in holidays' list

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