Hi, my application uses DB grid and when user hit and hold pgdown/pgup, or hit CTRL+Home/End, applicaiton always crashes. Gdb gets this information:
0x000000000091bd68 in BUFDATASET$_$TDOUBLELINKEDBUFINDEX_$__$$_COMPAREBOOKMARKS$PBUFBOOKMARK$PBUFBOOKMARK$$LONGINT () (gdb) bt #0 0x000000000091bd68 in BUFDATASET$_$TDOUBLELINKEDBUFINDEX_$__$$_COMPAREBOOKMARKS$PBUFBOOKMARK$PBUFBOOKMARK$$LONGINT () #1 0x000000000092053c in BUFDATASET$_$TCUSTOMBUFDATASET_$__$$_COMPAREBOOKMARKS$TBYTES$TBYTES$$LONGINT () #2 0x0000000003736588 in () #3 0x0000000003410718 in () #4 0x00007fffffffc9d8 in () #5 0x00007fffffffcb20 in () #6 0x0000000000000001 in () #7 0x0000000001a9ac98 in () #8 0x00007fffffffca50 in () #9 0x000000000000000f in () #10 0x000000000106f1b0 in .Ld263 () #11 0x0000000001ad6778 in () #12 0x000000000066cef0 in WSREGISTERCLASS (self=0x7fffffffca90) at include/customcontrol.inc:99 #13 0x00000000008ad882 in FIND (this=0x1add2d8, ITEM=0x3736588, AINDEX=0) at dbgrids.pas:4619 #14 0x00000000008adb65 in INDEXOF (this=0x1add2d8, ITEM=0x3736588) at dbgrids.pas:4627 #15 0x00000000008ace9d in GETCURRENTROWSELECTED (this=0x1add2d8) at dbgrids.pas:4388 #16 0x00000000008a8a8a in DRAWROW (this=0x1ad6778, AROW=1) at dbgrids.pas:3084 #17 0x0000000000845cc0 in DRAWALLROWS (this=0x1ad6778) at grids.pas:4174 #18 0x00000000008a88d3 in DRAWALLROWS (this=0x1ad6778) at dbgrids.pas:3054 #19 0x0000000000844465 in PAINT (this=0x1ad6778) at grids.pas:3742 #20 0x000000000066d006 in PAINTWINDOW (this=0x1ad6778, DC=26725384) at include/customcontrol.inc:132 #21 0x0000000000653c88 in PAINTHANDLER (this=0x1ad6778, THEMESSAGE=...) at include/wincontrol.inc:4819 #22 0x00000000006581c9 in WMPAINT (this=0x1ad6778, MSG=...) at include/wincontrol.inc:6772 #23 0x000000000066cf3c in WMPAINT (this=0x1ad6778, MESSAGE=...) at include/customcontrol.inc:112 #24 0x0000000000431def in SYSTEM$_$TOBJECT_$__$$_DISPATCH$formal () #25 0x000000000106f1a8 in .Ld263 () #26 0x000000000106e8c0 in VMT_$CONTROLS_$$_TCUSTOMCONTROL () #27 0x0000000000000001 in () #28 0x000000000000000f in () #29 0x00007fffffffd278 in () #30 0x0000000001ad6778 in () #31 0x00007ffff6c8fb10 in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #32 0x00000000031d4660 in () #33 0x00007fffffffd550 in () #34 0x00007fffffffd4f0 in () #35 0x0000000000738500 in GTK2PROC_$$_GTKEXPOSEEVENT$PGTKWIDGET$PGDKEVENTEXPOSE$POINTER$$BOOLEAN32 () #36 0x0000000000662a17 in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at include/control.inc:2234 #37 0x000000000065525d in WNDPROC (this=0x1ad6778, MESSAGE=...) at include/wincontrol.inc:5396 #38 0x000000000084779a in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at grids.pas:4701 #39 0x00000000008a3a7d in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at dbgrids.pas:1444 #40 0x0000000000828792 in DELIVERMESSAGE (TARGET=0x1ad6778, AMESSAGE=0) at lclmessageglue.pas:112 ---Type <return> to continue, or q <return> to quit---q Quit (gdb) bt #0 0x000000000091bd68 in BUFDATASET$_$TDOUBLELINKEDBUFINDEX_$__$$_COMPAREBOOKMARKS$PBUFBOOKMARK$PBUFBOOKMARK$$LONGINT () #1 0x000000000092053c in BUFDATASET$_$TCUSTOMBUFDATASET_$__$$_COMPAREBOOKMARKS$TBYTES$TBYTES$$LONGINT () #2 0x0000000003736588 in () #3 0x0000000003410718 in () #4 0x00007fffffffc9d8 in () #5 0x00007fffffffcb20 in () #6 0x0000000000000001 in () #7 0x0000000001a9ac98 in () #8 0x00007fffffffca50 in () #9 0x000000000000000f in () #10 0x000000000106f1b0 in .Ld263 () #11 0x0000000001ad6778 in () #12 0x000000000066cef0 in WSREGISTERCLASS (self=0x7fffffffca90) at include/customcontrol.inc:99 #13 0x00000000008ad882 in FIND (this=0x1add2d8, ITEM=0x3736588, AINDEX=0) at dbgrids.pas:4619 #14 0x00000000008adb65 in INDEXOF (this=0x1add2d8, ITEM=0x3736588) at dbgrids.pas:4627 #15 0x00000000008ace9d in GETCURRENTROWSELECTED (this=0x1add2d8) at dbgrids.pas:4388 #16 0x00000000008a8a8a in DRAWROW (this=0x1ad6778, AROW=1) at dbgrids.pas:3084 #17 0x0000000000845cc0 in DRAWALLROWS (this=0x1ad6778) at grids.pas:4174 #18 0x00000000008a88d3 in DRAWALLROWS (this=0x1ad6778) at dbgrids.pas:3054 #19 0x0000000000844465 in PAINT (this=0x1ad6778) at grids.pas:3742 #20 0x000000000066d006 in PAINTWINDOW (this=0x1ad6778, DC=26725384) at include/customcontrol.inc:132 #21 0x0000000000653c88 in PAINTHANDLER (this=0x1ad6778, THEMESSAGE=...) at include/wincontrol.inc:4819 #22 0x00000000006581c9 in WMPAINT (this=0x1ad6778, MSG=...) at include/wincontrol.inc:6772 #23 0x000000000066cf3c in WMPAINT (this=0x1ad6778, MESSAGE=...) at include/customcontrol.inc:112 #24 0x0000000000431def in SYSTEM$_$TOBJECT_$__$$_DISPATCH$formal () #25 0x000000000106f1a8 in .Ld263 () #26 0x000000000106e8c0 in VMT_$CONTROLS_$$_TCUSTOMCONTROL () #27 0x0000000000000001 in () #28 0x000000000000000f in () #29 0x00007fffffffd278 in () #30 0x0000000001ad6778 in () #31 0x00007ffff6c8fb10 in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #32 0x00000000031d4660 in () #33 0x00007fffffffd550 in () #34 0x00007fffffffd4f0 in () #35 0x0000000000738500 in GTK2PROC_$$_GTKEXPOSEEVENT$PGTKWIDGET$PGDKEVENTEXPOSE$POINTER$$BOOLEAN32 () #36 0x0000000000662a17 in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at include/control.inc:2234 #37 0x000000000065525d in WNDPROC (this=0x1ad6778, MESSAGE=...) at include/wincontrol.inc:5396 #38 0x000000000084779a in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at grids.pas:4701 #39 0x00000000008a3a7d in WNDPROC (this=0x1ad6778, THEMESSAGE=...) at dbgrids.pas:1444 #40 0x0000000000828792 in DELIVERMESSAGE (TARGET=0x1ad6778, AMESSAGE=0) at lclmessageglue.pas:112 ---Type <return> to continue, or q <return> to quit---bt #41 0x000000000072b665 in DELIVERMESSAGE (TARGET=0x1ad6778, AMESSAGE=0) at gtk2proc.inc:3702 #42 0x0000000000736f92 in DODELIVERPAINTMESSAGE (TARGET=0x1ad6778, PAINTMSG=...) at gtk2callback.inc:27 #43 0x000000000073706a in DELIVERPAINTMESSAGE (TARGET=0x1ad6778, THEMESSAGE=0) at gtk2callback.inc:45 #44 0x0000000000737254 in DELIVERGTKPAINTMESSAGE (TARGET=0x1ad6778, WIDGET=0x31d4660, AREA=0x7fffffffd8c4, REPAINTALL=false, ISAFTERGTK=false) at gtk2callback.inc:103 #45 0x0000000000738576 in GTKEXPOSEEVENT (WIDGET=0x31d4660, EVENT=0x7fffffffd8b0, DATA=0x1ad6778) at gtk2callback.inc:694 #46 0x00007ffff6c8fb7b in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #47 0x00007ffff6919f9d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #48 0x00007ffff692ccde in () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #49 0x00007ffff6934e4f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #50 0x00007ffff6935ecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #51 0x00007ffff6da5f9c in () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #52 0x00007ffff6c8e958 in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #53 0x00007ffff773eb9f in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #54 0x00007ffff773eb45 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #55 0x00007ffff773eb45 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #56 0x00007ffff773eb45 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #57 0x00007ffff773b623 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #58 0x00007ffff773bfb0 in gdk_window_process_all_updates () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #59 0x00007ffff773bff9 in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #60 0x00007ffff771ac1c in () at /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #61 0x00007ffff6640e25 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #62 0x00007ffff66411f0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #63 0x00007ffff664127c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #64 0x00000000005f90e8 in APPPROCESSMESSAGES (this=0x1549918) at gtk2widgetset.inc:2338 #65 0x000000000045b4bd in HANDLEMESSAGE (this=0x1547348) at include/application.inc:1276 #66 0x000000000045ba3d in RUNLOOP (this=0x1547348) at include/application.inc:1413 #67 0x0000000000717208 in APPRUN (this=0x1549918, ALOOP=...) at include/interfacebase.inc:54 #68 0x000000000045b9e4 in RUN (this=0x1547348) at include/application.inc:1401 #69 0x000000000041f715 in main () at cqrlog.lpr:81 (gdb) Do you have any idea what could be wrong, please? Thanks! Lazarus 1.8.0, fpc 3.0.4 Ubuntu 16.04, Ubuntu 17.10, the same problem with Lazarus 1.6.x in Fedora/Ubuntu/Debian etc. Petr -- web: https://petrhlozek.cz email: p...@petrhlozek.cz -- _______________________________________________ Lazarus mailing list Lazarus@lists.lazarus-ide.org https://lists.lazarus-ide.org/listinfo/lazarus