[QGIS-trac] Re: [Quantum GIS] #2339: QGis crashes when moving border between map canvas and overview map and "use render caching..." enabled

[Quantum GIS]

#2339: QGis crashes when moving border between map canvas and overview map and
"use render caching..." enabled
---------------------------------------------------------+------------------
   Reporter:  kivih1                                     |              Owner:               
       Type:  bug                                        |             Status:  new          
   Priority:  critical: causes crash or data corruption  |          Milestone:  Version 1.5.0
  Component:  MapCanvas                                  |            Version:  Trunk        
   Keywords:  map canvas, overview window                |   Platform_version:  SP3          
   Platform:  All                                        |           Must_fix:  Yes          
Status_info:  0                                          |  
---------------------------------------------------------+------------------

Comment(by lutra):

 With this

 http://www.iambiente.pt/atlas/dl/regista_dl.jsp?zona=continente&grupo=&tema=c_curvasnivel

 for me is instant crash even with "Use cache when rendering" OFF.


 I'm using qgis 1.5 under Ubuntu 10.04

 {{{
 gio at sibirica:~$ qgis
 Python support ENABLED :-)
 Loaded : GdalTools (package: GdalTools)
 Warning: QHttp: empty path requested is invalid -- using '/'
 Loaded : Plugin Installer (package: plugin_installer)
 Loaded : fTools (package: fTools)
 Loaded : OpenStreetMap plugin (package: osm)
 Loaded : MapServer Export (package: mapserver_export)
 gio at sibirica:~$ qgis
 Python support ENABLED :-)
 Loaded : GdalTools (package: GdalTools)
 Warning: QHttp: empty path requested is invalid -- using '/'
 Loaded : Plugin Installer (package: plugin_installer)
 Loaded : fTools (package: fTools)
 Loaded : OpenStreetMap plugin (package: osm)
 Loaded : MapServer Export (package: mapserver_export)
 Warning: QPixmap::operator=: Cannot assign to pixmap during painting
 Warning: QPainter::begin: A paint device can only be painted by one
 painter at a time.
 Warning: QPainter::end: Painter not active, aborted
 Warning: QPixmap::operator=: Cannot assign to pixmap during painting
 Warning: QPainter::begin: A paint device can only be painted by one
 painter at a time.
 Warning: QPainter::end: Painter not active, aborted
 Warning: QPixmap::operator=: Cannot assign to pixmap during painting
 Warning: QPainter::begin: A paint device can only be painted by one
 painter at a time.
 Warning: QPainter::end: Painter not active, aborted
 Warning: QPixmap::operator=: Cannot assign to pixmap during painting
 Warning: QPainter::begin: A paint device can only be painted by one
 painter at a time.
 Warning: QPainter::end: Painter not active, aborted
 Warning: QPixmap::operator=: Cannot assign to pixmap during painting
 Warning: QPainter::begin: A paint device can only be painted by one
 painter at a time.
 Warning: QPainter::end: Painter not active, aborted
 Segmentation fault
 }}}

-- 
Ticket URL: <http://trac.osgeo.org/qgis/ticket/2339#comment:18>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats