Bug report #14718

QGIS freezes while paning/zooming if several layers are visible at the same time

Added by Thomas Baumann over 5 years ago. Updated about 4 years ago.

Affected QGIS version:2.14.1 Regression?:No
Operating System: Easy fix?:No
Pull Request or Patch supplied:No Resolution:
Crashes QGIS or corrupts data:Yes Copied to github as #:22678


We are using a QGIS-project with several WMS-Layers(up to 20) and Shapefiles for digitizing. There are random freezes of QGIS which end up in a crash of the program.
Minidumps are not always written but sometimes.
I tried to analyze the Dumpfiles with WinDBG but have no experience in debugging QGIS-dumpfiles so I am not sure if I need more QT-symbol-files to analyze the dumpfiles properly.
I have attached a textfile with some information from the dump-analyze:
Here a part of the attached file:

DBGHELP: QtGui4 - export symbols
rax=0000027a00000001 rbx=00000000001ef188 rcx=000000000354bec0
rdx=0000027af52ef881 rsi=000000001ea5df10 rdi=000000001ea5df10
rip=000000006093c00a rsp=000000001dfdbcc0 rbp=000000000354bec0
 r8=000000001dfdc148  r9=000000001ea5df10 r10=000000000352b5a0
r11=0000000047b28d4d r12=000000001dfdc148 r13=000000000219f3d0
r14=0000000000000000 r15=000000001dfdc148
iopl=0         nv up ei pl zr na po nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010246
00000000`6093c00a 488b02          mov     rax,qword ptr [rdx] ds:0000027a`f52ef881=????????????????


DBGHELP: spatialindex_64 - export symbols
rax=0000000029017470 rbx=0000000000000002 rcx=0000000028e96ec0
rdx=00000000ffffffff rsi=0000000029018b58 rdi=0000000000000001
rip=000007fef52dc1f3 rsp=00000000002a9b78 rbp=0000000000000008
 r8=0000000028e96fc0  r9=000007fef52dc1e0 r10=000000000042d300
r11=00000000290188f0 r12=0000000029018b30 r13=0000000000000000
r14=000007fef52dc1e0 r15=0000000029018b80
iopl=0         nv up ei pl nz na pe nc
cs=0033  ss=002b  ds=002b  es=002b  fs=0053  gs=002b             efl=00010202
000007fe`f52dc1f3 f20f1004d1      movsd   xmm0,mmword ptr [rcx+rdx*8] ds:00000008`28e96eb8=????????????????

dump_analyze.txt Magnifier (7.39 KB) Thomas Baumann, 2016-04-22 05:37 AM

dump_analysis2.txt Magnifier - another dump-analyze (26 KB) Thomas Baumann, 2016-05-03 12:23 AM


#1 Updated by Thomas Baumann over 5 years ago

perhaps is has something to do with the snapping-tools?

EXCEPTION_RECORD:  ffffffffffffffff -- (.exr 0xffffffffffffffff)
ExceptionAddress: 000007fed5f60b55 (qgis_core!QgsGeometry::closestVertex+0x0000000000000025)
   ExceptionCode: c0000005 (Access violation)


00000000`002ca700 000007fe`d5e1ebed : 00000000`002cab48 00000000`5a1b4c7a ffffffff`fffffffe 00000000`61068ddb : qgis_core!QgsPointLocator::nearestVertex+0x158
00000000`002ca890 000007fe`d5e24354 : 00000000`002cac78 00000000`00000010 00000000`058ea4a0 00000000`00000001 : qgis_core!QgsSnappingUtils::destCRS+0x24d
00000000`002ca980 000007fe`d5e25232 : 00000000`002caf20 00000000`02b96620 3f9e4ce0`5bd5bd5b 00000000`00000000 : qgis_core!QgsSnappingUtils::snapToMap+0x214
00000000`002cae70 000007fe`d9e6732a : 00000000`00000000 00000000`0593dbd0 00000000`1a8f3550 00000000`32d07c22 : qgis_core!QgsSnappingUtils::snapToMap+0x42
00000000`002caeb0 000007fe`d9e67ab8 : 41541eca`c60be1ed 00000000`002cb748 00000000`002cb748 00000000`00000000 : qgis_app!QgsMeasureTool::snapPoint+0x5a
00000000`002cafa0 000007fe`d5582703 : 00000000`043e8b70 00000000`1a8f35a0 00000000`00000000 00000000`043e8b70 : qgis_app!QgsMeasureTool::canvasReleaseEvent+0x28
00000000`002caff0 00000000`5a4ba465 : 00000000`5a450000 00000000`1a8f3530 00000000`002cb748 00000000`0447fb20 : qgis_gui!QgsMapCanvas::mouseReleaseEvent+0x103
00000000`002cb030 00000000`5a7bd5b7 : 00000000`301ae070 00000000`043e8b70 00000000`301add10 00000000`04474e90 : QtGui4!QWidget::event+0xd5
00000000`002cb1b0 00000000`5a98503f : 00000000`04469f30 00000000`043e8b70 00000000`00000001 00000000`00000000 : QtGui4!QFrame::event+0x37
00000000`002cb1e0 00000000`5a271a93 : 00000000`00000002 00000000`04469f30 00000000`002cb748 ffffffff`fffffffe : QtGui4!QGraphicsView::viewportEvent+0x3df

(see attached txt-file)

#2 Updated by Thomas Baumann over 5 years ago

  • Status changed from Open to Closed

#3 Updated by Jürgen Fischer about 4 years ago

  • Category set to Unknown

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