Re: Segfault on session switch

Segfault happens in a code added by this commit =>
https://invent.kde.org/utilities/kate/-/commit/d6d831d5e2394a57207054660b504c5be7a29343

No more information for now.

Alain.


Le mar. 28 juin 2022 à 07:53, Alain Laporte <[email protected]>
a écrit :

> I have found how to load symbols. Crash happens in the LSPClientPlugin =>
>
> (gdb) bt
> #0  0x00007f68ff441a28 in QLoggingCategory::categoryName (this=<error
> reading variable: Cannot access memory at address 0x7ffd9d1ffff8>) at
> /usr/include/x86_64-linux-gnu/qt5/QtCore/qloggingcategory.h:71
> #1  0x00007f68ff458f91 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:60
>
> #2  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #3  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #4  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #5  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #6  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #7  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #8  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #9  0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #10 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #11 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #12 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #13 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #14 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #15 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp:64
>
> #16 0x00007f68ff459003 in myCategoryFilter (category=0x7f6932d37d90
> <LOG_KWINDOWSYSTEM()::category>) at
> /home/alaporte/projects/kde/src/kde/applications/kate/addons/lspclient/lspclientplugin.cpp
> :64
>
> Alain.
>
>
> Le lun. 27 juin 2022 à 23:07, Alain Laporte <[email protected]>
> a écrit :
>
>> Hi,
>>
>> On the master (all dependencies are also on the master), Kate segfault on
>> session switch:
>> * start Kate
>> * open a session
>> * go in Sessions/All Sessions to choose a new session
>>
>> I have generated a core dump, but GDB can't find symbols...  Where
>> symbols are located?
>>
>> Do you reproduce the segfault?
>>
>> Alain.
>>
>