Sorry my second message on this thread was probably a red herring - if I run as sudo QGIS starts fine....
Regards Tim On Thu, Sep 3, 2020 at 11:48 PM Tim Sutton <[email protected]> wrote: > Hi > > By the way poking around with it a bit more it seems to be crashing on > this line @Nyal: > > 39fbc2ac331 src/core/qgsproject.cpp (Nyall Dawson 2020-08-31 > 10:30:20 +1000) mMainAnnotationLayer->setTransformContext( context ); > > Regards > > Tim > > > On Thu, Sep 3, 2020 at 10:02 PM Tim Sutton <[email protected]> wrote: > >> Dear QGIS Developers >> >> I am trying to run QGIS in debug mode in Qt-Creator. When I launch the >> QGIS executable from QtCreator, I can see the application starting up but >> then after a short time it crashes out. This happens both when I press the >> green 'Run' triangle icon and when I press the green 'Start Debugging of >> Target Project' triangle icon. >> >> I am building on pop_os! (essentially Ubuntu 20.04, 64 bit) using GCC >> without CCache and I have CMAKE_BUILD_TYPE set to Debug. >> >> After starting QGIS it thinks for a while and then dies with the >> following (full log of messages here [1]). >> >> 21:21:14: Debugging starts >> src/app/main.cpp:505 : (main) [0ms] Starting qgis main >> src/core/qgsmessagelog.cpp:29 : (logMessage) [379ms] 2020-09-03T21:21:45 >> [1] Successfully loaded globalsettingsfile path: >> /home/timlinux/dev/cpp/QGIS-Debug-Build/output/data/resources/qgis_global_settings.ini >> src/core/qgscolorramp.cpp:732 : (loadFile) [103ms] filename= >> /home/timlinux/dev/cpp/QGIS-Debug-Build/output/data/resources/cpt-city-qgis-min/grass/elevation.svg >> loaded=0 >> QGIS died on signal 11Could not attach to process. If your uid matches >> the uid of the target >> process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try >> again as the root user. For more details, see >> /etc/sysctl.d/10-ptrace.conf >> warning: process 223467 is already traced by process 223447 >> ptrace: Operation not permitted. >> No thread selected >> No stack. >> gdb returned 256 >> 21:30:39: Debugging has finished >> >> >> >> When I googled the ptrace error message above I found this StackOverflow >> post[2] which seems to address the same issue. However, even after trying >> all the various hints listed there, I still have the crash whenever I try >> to launch QGIS in debug mode, or outside of a debugger. >> >> Has anyone else experienced this? Can you help me fix it? >> >> Many thanks! >> >> Regards >> >> Tim >> >> >> [1] https://gist.github.com/timlinux/ac7468675e08f18428e3fe60d7e9633c >> [2] >> https://stackoverflow.com/questions/22120711/qt-creator-ptrace-operation-not-permitted-what-is-the-permanent-solution/30486572 >> >> >> >> -- >> >> ------------------------------------------------------------------------------------------ >> >> Tim Sutton >> Visit http://kartoza.com to find out about open source: >> * Desktop GIS programming services >> * Geospatial web development >> * GIS Training >> * Consulting Services >> Skype: timlinux Irc: timlinux on #qgis at freenode.net >> Tim is a member of the QGIS Project Steering Committee >> >> ------------------------------------------------------------------------------------------- >> Kartoza is a merger between Linfiniti and Afrispatial >> > > > -- > > ------------------------------------------------------------------------------------------ > > Tim Sutton > Visit http://kartoza.com to find out about open source: > * Desktop GIS programming services > * Geospatial web development > * GIS Training > * Consulting Services > Skype: timlinux Irc: timlinux on #qgis at freenode.net > Tim is a member of the QGIS Project Steering Committee > > ------------------------------------------------------------------------------------------- > Kartoza is a merger between Linfiniti and Afrispatial > -- ------------------------------------------------------------------------------------------ Tim Sutton Visit http://kartoza.com to find out about open source: * Desktop GIS programming services * Geospatial web development * GIS Training * Consulting Services Skype: timlinux Irc: timlinux on #qgis at freenode.net Tim is a member of the QGIS Project Steering Committee ------------------------------------------------------------------------------------------- Kartoza is a merger between Linfiniti and Afrispatial
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