*** glibc detected *** /home/pez/workspace/QViewportBug/QViewportBug: double free or corruption (!prev): 0x083d0660 *** ======= Backtrace: ========= /lib/libc.so.6[0xb64fb48a] /lib/libc.so.6[0xb64fcb5b] /lib/libc.so.6(cfree+0x6d)[0xb64ffb5d] //usr/lib/opengl/nvidia/lib/libGL.so.1[0xb676ff9c] ======= Memory map: ======== 08048000-0804c000 r-xp 00000000 09:06 1305 /home/pez/workspace/QViewportBug/QViewportBug 0804c000-0804d000 r-xp 00004000 09:06 1305 /home/pez/workspace/QViewportBug/QViewportBug 0804d000-0804e000 rwxp 00005000 09:06 1305 /home/pez/workspace/QViewportBug/QViewportBug 0817d000-0848b000 rwxp 00000000 00:00 0 [heap] b3d00000-b3d21000 rwxp 00000000 00:00 0 b3d21000-b3e00000 ---p 00000000 00:00 0 b3ea5000-b40a5000 rwxs 3584f000 00:0e 6931 /dev/nvidia0 b41a5000-b41a6000 rwxs fbc08000 00:0e 6931 /dev/nvidia0 b428b000-b4295000 r-xp 00000000 09:03 328186 /lib/libnss_files-2.10.1.so b4295000-b4296000 r-xp 00009000 09:03 328186 /lib/libnss_files-2.10.1.so b4296000-b4297000 rwxp 0000a000 09:03 328186 /lib/libnss_files-2.10.1.so b4297000-b42a0000 r-xp 00000000 09:03 328114 /lib/libnss_nis-2.10.1.so b42a0000-b42a1000 r-xp 00008000 09:03 328114 /lib/libnss_nis-2.10.1.so b42a1000-b42a2000 rwxp 00009000 09:03 328114 /lib/libnss_nis-2.10.1.so b42a2000-b42b5000 r-xp 00000000 09:03 327701 /lib/libnsl-2.10.1.so b42b5000-b42b6000 r-xp 00012000 09:03 327701 /lib/libnsl-2.10.1.so b42b6000-b42b7000 rwxp 00013000 09:03 327701 /lib/libnsl-2.10.1.so b42b7000-b42b9000 rwxp 00000000 00:00 0 b4329000-b432a000 rwxs fb060000 00:0e 6931 /dev/nvidia0 b432a000-b4360000 rwxp 00000000 00:00 0 b4360000-b4381000 rwxs 00000000 00:07 0 /SYSV00000000 (deleted) b4381000-b44b6000 r-xp 00000000 09:03 221728 /usr/lib/libxml2.so.2.7.7 b44b6000-b44ba000 r-xp 00135000 09:03 221728 /usr/lib/libxml2.so.2.7.7 b44ba000-b44bb000 rwxp 00139000 09:03 221728 /usr/lib/libxml2.so.2.7.7 b44bb000-b44bc000 rwxp 00000000 00:00 0 b44bc000-b44f3000 r-xp 00000000 09:03 568271 /usr/lib/libdbus-1.so.3.4.0 b44f3000-b44f4000 r-xp 00037000 09:03 568271 /usr/lib/libdbus-1.so.3.4.0 b44f4000-b44f5000 rwxp 00038000 09:03 568271 /usr/lib/libdbus-1.so.3.4.0 b44f5000-b4505000 r-xp 00000000 09:03 328185 /lib/libresolv-2.10.1.so b4505000-b4506000 r-xp 00010000 09:03 328185 /lib/libresolv-2.10.1.so b4506000-b4507000 rwxp 00011000 09:03 328185 /lib/libresolv-2.10.1.so b4507000-b4509000 rwxp 00000000 00:00 0 b4509000-b4518000 r-xp 00000000 09:03 208828 /lib/libbz2.so.1.0.5 b4518000-b4519000 r-xp 0000e000 09:03 208828 /lib/libbz2.so.1.0.5 b4519000-b451a000 rwxp 0000f000 09:03 208828 /lib/libbz2.so.1.0.5 b451d000-b4523000 r-xp 00000000 09:03 328062 /lib/libnss_compat-2.10.1.so b4523000-b4524000 r-xp 00006000 09:03 328062 /lib/libnss_compat-2.10.1.so b4524000-b4525000 rwxp 00007000 09:03 328062 /lib/libnss_compat-2.10.1.so b4536000-b4537000 rwxs 32162000 00:0e 6931 /dev/nvidia0 b4538000-b4539000 rwxs 32161000 00:0e 6931 /dev/nvidia0 b4539000-b45a3000 r-xp 00000000 09:03 495953 /usr/lib/libsolid.so.4.3.0 b45a3000-b45aa000 r-xp 00069000 09:03 495953 /usr/lib/libsolid.so.4.3.0 b45aa000-b45ab000 rwxp 00070000 09:03 495953 /usr/lib/libsolid.so.4.3.0 b45ab000-b45e4000 r-xp 00000000 09:03 380746 /usr/lib/libstreams.so.0.7.0 b45e4000-b45e5000 r-xp 00039000 09:03 380746 /usr/lib/libstreams.so.0.7.0 b45e5000-b45e6000 rwxp 0003a000 09:03 380746 /usr/lib/libstreams.so.0.7.0 b45e6000-b4652000 r-xp 00000000 09:03 380764 /usr/lib/libstreamanalyzer.so.0.7.0 b4652000-b4654000 r-xp 0006c000 09:03 380764 /usr/lib/libstreamanalyzer.so.0.7.0 b4654000-b4655000 rwxp 0006e000 09:03 380764 /usr/lib/libstreamanalyzer.so.0.7.0 b4655000-b465a000 r-xp 00000000 09:03 578903 /usr/lib/libXtst.so.6.1.0 b465a000-b465b000 r-xp 00004000 09:03 578903 /usr/lib/libXtst.so.6.1.0 b465b000-b465c000 rwxp 00005000 09:03 578903 /usr/lib/libXtst.so.6.1.0 b465c000-b466c000 r-xp 00000000 09:03 223751 /usr/lib/libXpm.so.4.11.0 b466c000-b466d000 r-xp 0000f000 09:03 223751 /usr/lib/libXpm.so.4.11.0 b466d000-b466e000 rwxp 00010000 09:03 223751 /usr/lib/libXpm.so.4.11.0 b466e000-b4681000 r-xp 00000000 09:03 199485 /usr/lib/libXft.so.2.1.13 b4681000-b4682000 r-xp 00012000 09:03 199485 /usr/lib/libXft.so.2.1.13 b4682000-b4683000 rwxp 00013000 09:03 199485 /usr/lib/libXft.so.2.1.13 b4683000-b46c6000 r-xp 00000000 09:03 559872 /usr/lib/qt4/libQtXml.so.4.6.2 b46c6000-b46c7000 r-xp 00042000 09:03 559872 /usr/lib/qt4/libQtXml.so.4.6.2 b46c7000-b46c8000 rwxp 00043000 09:03 559872 /usr/lib/qt4/libQtXml.so.4.6.2 b46c8000-b47eb000 r-xp 00000000 09:03 559890 /usr/lib/qt4/libQtNetwork.so.4.6.2 b47eb000-b47ee000 r-xp 00122000 09:03 559890 /usr/lib/qt4/libQtNetwork.so.4.6.2 b47ee000-b47ef000 rwxp 00125000 09:03 559890 /usr/lib/qt4/libQtNetwork.so.4.6.2 b47ef000-b4864000 r-xp 00000000 09:03 554900 /usr/lib/qt4/libQtDBus.so.4.6.2 b4864000-b4865000 r-xp 00074000 09:03 554900 /usr/lib/qt4/libQtDBus.so.4.6.2 b4865000-b4866000 rwxp 00075000 09:03 554900 /usr/lib/qt4/libQtDBus.so.4.6.2 b4866000-b4a9a000 r-xp 00000000 09:03 495534 /usr/lib/libkdecore.so.5.3.0 b4a9a000-b4aa1000 r-xp 00234000 09:03 495534 /usr/lib/libkdecore.so.5.3.0 b4aa1000-b4aa5000 rwxp 0023b000 09:03 495534 /usr/lib/libkdecore.so.5.3.0 b4aa5000-b4af9000 r-xp 00000000 09:03 571654 /usr/lib/qt4/libQtSvg.so.4.6.2 b4af9000-b4afa000 r-xp 00054000 09:03 571654 /usr/lib/qt4/libQtSvg.so.4.6.2 b4afa000-b4afb000 rwxp 00055000 09:03 571654 /usr/lib/qt4/libQtSvg.so.4.6.2 b4afb000-b4d5b000 r-xp 00000000 09:03 493904 /usr/lib/libkio.so.5.3.0 b4d5b000-b4d63000 r-xp 00260000 09:03 493904 /usr/lib/libkio.so.5.3.0 b4d63000-b4d67000 rwxp 00268000 09:03 493904 /usr/lib/libkio.so.5.3.0 b4d67000-b50cf000 r-xp 00000000 09:03 495982 /usr/lib/libkdeui.so.5.3.0 b50cf000-b50e2000 r-xp 00367000 09:03 495982 /usr/lib/libkdeui.so.5.3.0 b50e2000-b50e8000 rwxp 0037a000 09:03 495982 /usr/lib/libkdeui.so.5.3.0 b50e8000-b50e9000 rwxp 00000000 00:00 0 b50e9000-b511a000 r-xp 00000000 09:03 417450 /usr/lib/kde4/plugins/styles/oxygen.so b511a000-b511b000 r-xp 00030000 09:03 417450 /usr/lib/kde4/plugins/styles/oxygen.so b511b000-b511c000 rwxp 00031000 09:03 417450 /usr/lib/kde4/plugins/styles/oxygen.so b511c000-b5129000 r-xp 00000000 09:03 595575 /usr/lib/libXi.so.6.1.0 b5129000-b512a000 r-xp 0000c000 09:03 595575 /usr/lib/libXi.so.6.1.0 b512a000-b512b000 rwxp 0000d000 09:03 595575 /usr/lib/libXi.so.6.1.0 b512b000-b5134000 r-xp 00000000 09:03 195542 /usr/lib/libXcursor.so.1.0.2 b5134000-b5135000 r-xp 00008000 09:03 195542 /usr/lib/libXcursor.so.1.0.2 b5135000-b5136000 rwxp 00009000 09:03 195542 /usr/lib/libXcursor.so.1.0.2 b5136000-b513a000 r-xp 00000000 09:03 188052 /usr/lib/libXfixes.so.3.1.0 b513a000-b513b000 r-xp 00003000 09:03 188052 /usr/lib/libXfixes.so.3.1.0 b513b000-b513c000 rwxp 00004000 09:03 188052 /usr/lib/libXfixes.so.3.1.0 b513c000-b5149000 r-xs 00000000 09:03 13750 /var/cache/fontconfig/8d4af663993b81a124ee82e610bb31f9-le32d4.cache-3 b5149000-b5156000 r-xs 00000000 09:03 13749 /var/cache/fontconfig/221fd1126b80b777db535aea535e87ba-le32d4.cache-3 b5156000-b5169000 r-xs 00000000 09:03 13666 /var/cache/fontconfig/4b5cf4386f1cde02a336ba961b4ac82d-le32d4.cache-3 b5169000-b516b000 rwxp 00000000 00:00 0 b516b000-b516e000 r-xp 00000000 09:03 234920 /lib/libuuid.so.1.3.0 b516e000-b516f000 r-xp 00002000 09:03 234920 /lib/libuuid.so.1.3.0 b516f000-b5170000 rwxp 00003000 09:03 234920 /lib/libuuid.so.1.3.0 b5170000-b5171000 rwxp 00000000 00:00 0 b5171000-b5195000 r-xp 00000000 09:03 243069 /usr/lib/libexpat.so.1.5.2 b5195000-b5197000 r-xp 00023000 09:03 243069 /usr/lib/libexpat.so.1.5.2 b5197000-b5198000 rwxp 00025000 09:03 243069 /usr/lib/libexpat.so.1.5.2 b5198000-b519c000 r-xp 00000000 09:03 281168 /usr/lib/libXdmcp.so.6.0.0 b519c000-b519d000 r-xp 00003000 09:03 281168 /usr/lib/libXdmcp.so.6.0.0 b519d000-b519e000 rwxp 00004000 09:03 281168 /usr/lib/libXdmcp.so.6.0.0 b519e000-b51a0000 r-xp 00000000 09:03 276555 /usr/lib/libXau.so.6.0.0 b51a0000-b51a1000 r-xp 00001000 09:03 276555 /usr/lib/libXau.so.6.0.0 b51a1000-b51a2000 rwxp 00002000 09:03 276555 /usr/lib/libXau.so.6.0.0 b51a2000-b51bc000 r-xp 00000000 09:03 576381 /usr/lib/libxcb.so.1.1.0 b51bc000-b51bd000 r-xp 00019000 09:03 576381 /usr/lib/libxcb.so.1.1.0 b51bd000-b51be000 rwxp 0001a000 09:03 576381 /usr/lib/libxcb.so.1.1.0 b51be000-b51bf000 r-xp 00000000 09:03 471474 /usr/lib/opengl/nvidia/lib/libnvidia-tls.so.190.42 b51bf000-b51c0000 rwxp 00000000 09:03 471474 /usr/lib/opengl/nvidia/lib/libnvidia-tls.so.190.42 b51c0000-b51c1000 rwxp 00000000 00:00 0 b51c1000-b61db000 r-xp 00000000 09:03 471468 /usr/lib/opengl/nvidia/lib/libGLcore.so.190.42 b61db000-b6221000 rwxp 01019000 09:03 471468 /usr/lib/opengl/nvidia/lib/libGLcore.so.190.42 b6221000-b622f000 rwxp 00000000 00:00 0 b622f000-b6231000 r-xp 00000000 09:03 574438 /usr/lib/libXinerama.so.1.0.0 b6231000-b6232000 r-xp 00001000 09:03 574438 /usr/lib/libXinerama.so.1.0.0 b6232000-b6233000 rwxp 00002000 09:03 574438 /usr/lib/libXinerama.so.1.0.0 b6233000-b623a000 r-xp 00000000 09:03 195249 /usr/lib/libXrandr.so.2.2.0 b623a000-b623b000 r-xp 00006000 09:03 195249 /usr/lib/libXrandr.so.2.2.0 b623b000-b623c000 rwxp 00007000 09:03 195249 /usr/lib/libXrandr.so.2.2.0 b623c000-b6250000 r-xp 00000000 09:03 246788 /usr/lib/libICE.so.6.3.0 b6250000-b6251000 r-xp 00013000 09:03 246788 /usr/lib/libICE.so.6.3.0 b6251000-b6252000 rwxp 00014000 09:03 246788 /usr/lib/libICE.so.6.3.0 b6252000-b6254000 rwxp 00000000 00:00 0 b6254000-b625b000 r-xp 00000000 09:03 223105 /usr/lib/libSM.so.6.0.1 b625b000-b625c000 r-xp 00006000 09:03 223105 /usr/lib/libSM.so.6.0.1 b625c000-b625d000 rwxp 00007000 09:03 223105 /usr/lib/libSM.so.6.0.1 b625d000-b625e000 rwxp 00000000 00:00 0 b625e000-b6270000 r-xp 00000000 09:03 245449 /lib/libz.so.1.2.3 b6270000-b6271000 r-xp 00011000 09:03 245449 /lib/libz.so.1.2.3 b6271000-b6272000 rwxp 00012000 09:03 245449 /lib/libz.so.1.2.3 b6272000-b6296000 r-xp 00000000 09:03 215272 /usr/lib/libpng12.so.0.43.0 b6296000-b6297000 r-xp 00023000 09:03 215272 /usr/lib/libpng12.so.0.43.0 b6297000-b6298000 rwxp 00024000 09:03 215272 /usr/lib/libpng12.so.0.43.0 b6298000-b63b3000 r-xp 00000000 09:03 604256 /usr/lib/libX11.so.6.3.0 b63b3000-b63b4000 r-xp 0011a000 09:03 604256 /usr/lib/libX11.so.6.3.0 b63b4000-b63b7000 rwxp 0011b000 09:03 604256 /usr/lib/libX11.so.6.3.0 b63b7000-b63c5000 r-xp 00000000 09:03 577439 /usr/lib/libXext.so.6.4.0 b63c5000-b63c6000 r-xp 0000d000 09:03 577439 /usr/lib/libXext.so.6.4.0 b63c6000-b63c7000 rwxp 0000e000 09:03 577439 /usr/lib/libXext.so.6.4.0 b63c7000-b63f5000 r-xp 00000000 09:03 621009 /usr/lib/libfontconfig.so.1.4.4 b63f5000-b63f6000 r-xp 0002e000 09:03 621009 /usr/lib/libfontconfig.so.1.4.4 b63f6000-b63f7000 rwxp 0002f000 09:03 621009 /usr/lib/libfontconfig.so.1.4.4 b63f7000-b63ff000 r-xp 00000000 09:03 188083 /usr/lib/libXrender.so.1.3.0 b63ff000-b6400000 r-xp 00007000 09:03 188083 /usr/lib/libXrender.so.1.3.0 b6400000-b6401000 rwxp 00008000 09:03 188083 /usr/lib/libXrender.so.1.3.0 b6401000-b6402000 rwxp 00000000 00:00 0 b6402000-b6404000 r-xp 00000000 09:03 328048 /lib/libdl-2.10.1.so b6404000-b6405000 r-xp 00001000 09:03 328048 /lib/libdl-2.10.1.so b6405000-b6406000 rwxp 00002000 09:03 328048 /lib/libdl-2.10.1.so b6406000-b648b000 r-xp 00000000 09:03 180628 /usr/lib/libfreetype.so.6.3.22 b648b000-b648f000 r-xp 00084000 09:03 180628 /usr/lib/libfreetype.so.6.3.22 b648f000-b6490000 rwxp 00088000 09:03 180628 /usr/lib/libfreetype.so.6.3.22 b6490000-b65d1000 r-xp 00000000 09:03 328032 /lib/libc-2.10.1.so b65d1000-b65d3000 r-xp 00141000 09:03 328032 /lib/libc-2.10.1.so b65d3000-b65d4000 rwxp 00143000 09:03 328032 /lib/libc-2.10.1.so b65d4000-b65d7000 rwxp 00000000 00:00 0 b65d7000-b65e3000 r-xp 00000000 09:03 371630 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libgcc_s.so.1 b65e3000-b65e4000 r-xp 0000b000 09:03 371630 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libgcc_s.so.1 b65e4000-b65e5000 rwxp 0000c000 09:03 371630 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libgcc_s.so.1 b65e5000-b6609000 r-xp 00000000 09:03 328031 /lib/libm-2.10.1.so b6609000-b660a000 r-xp 00023000 09:03 328031 /lib/libm-2.10.1.so b660a000-b660b000 rwxp 00024000 09:03 328031 /lib/libm-2.10.1.so b660b000-b660c000 rwxp 00000000 00:00 0 b660c000-b66ed000 r-xp 00000000 09:03 371633 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libstdc++.so.6.0.10 b66ed000-b66f1000 r-xp 000e1000 09:03 371633 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libstdc++.so.6.0.10 b66f1000-b66f2000 rwxp 000e5000 09:03 371633 /usr/lib/gcc/i686-pc-linux-gnu/4.3.4/libstdc++.so.6.0.10 b66f2000-b66f8000 rwxp 00000000 00:00 0 b66f8000-b670d000 r-xp 00000000 09:03 327887 /lib/libpthread-2.10.1.so b670d000-b670e000 r-xp 00014000 09:03 327887 /lib/libpthread-2.10.1.so b670e000-b670f000 rwxp 00015000 09:03 327887 /lib/libpthread-2.10.1.so b670f000-b6711000 rwxp 00000000 00:00 0 b6711000-b67a8000 r-xp 00000000 09:03 471463 /usr/lib/opengl/nvidia/lib/libGL.so.190.42 b67a8000-b67c1000 rwxp 00097000 09:03 471463 /usr/lib/opengl/nvidia/lib/libGL.so.190.42 b67c1000-b67d0000 rwxp 00000000 00:00 0 b67d0000-b683e000 r-xp 00000000 09:03 501254 /usr/lib/libGLU.so.1.3.070701 b683e000-b683f000 r-xp 0006d000 09:03 501254 /usr/lib/libGLU.so.1.3.070701 b683f000-b6840000 rwxp 0006e000 09:03 501254 /usr/lib/libGLU.so.1.3.070701 b6840000-b6917000 r-xp 00000000 09:03 543845 /usr/lib/libglib-2.0.so.0.2200.4 b6917000-b6918000 r-xp 000d6000 09:03 543845 /usr/lib/libglib-2.0.so.0.2200.4 b6918000-b6919000 rwxp 000d7000 09:03 543845 /usr/lib/libglib-2.0.so.0.2200.4 b6919000-b691a000 rwxp 00000000 00:00 0 b691a000-b6921000 r-xp 00000000 09:03 328040 /lib/librt-2.10.1.so b6921000-b6922000 r-xp 00006000 09:03 328040 /lib/librt-2.10.1.so b6922000-b6923000 rwxp 00007000 09:03 328040 /lib/librt-2.10.1.so b6923000-b6929000 r-xs 00000000 09:03 13746 /var/cache/fontconfig/87f5e051180a7a75f16eb6fe7dbd3749-le32d4.cache-3 b6929000-b692b000 r-xs 00000000 09:03 13751 /var/cache/fontconfig/76fa4b957c916922374347f144bde9da-le32d4.cache-3 b692b000-b692c000 r-xs 00000000 09:06 133097 /home/pez/.fontconfig/817a2369a545e2de0495355907a7c18e-le32d4.cache-3 b692c000-b692e000 r-xp 00000000 09:03 327548 /usr/lib/gconv/UTF-16.so b692e000-b692f000 r-xp 00001000 09:03 327548 /usr/lib/gconv/UTF-16.so b692f000-b6930000 rwxp 00002000 09:03 327548 /usr/lib/gconv/UTF-16.so b6930000-b6937000 r-xs 00000000 09:03 5264 /usr/lib/gconv/gconv-modules.cache b6937000-b6940000 rwxp 00000000 00:00 0 b6942000-b6946000 r-xp 00000000 09:03 544264 /usr/lib/libgthread-2.0.so.0.2200.4 b6946000-b6947000 r-xp 00003000 09:03 544264 /usr/lib/libgthread-2.0.so.0.2200.4 b6947000-b6948000 rwxp 00004000 09:03 544264 /usr/lib/libgthread-2.0.so.0.2200.4 b6948000-b6bc2000 r-xp 00000000 09:03 561317 /usr/lib/qt4/libQtCore.so.4.6.2 b6bc2000-b6bc9000 r-xp 00279000 09:03 561317 /usr/lib/qt4/libQtCore.so.4.6.2 b6bc9000-b6bca000 rwxp 00280000 09:03 561317 /usr/lib/qt4/libQtCore.so.4.6.2 b6bca000-b7621000 r-xp 00000000 09:03 623848 /usr/lib/qt4/libQtGui.so.4.6.2 b7621000-b7641000 r-xp 00a56000 09:03 623848 /usr/lib/qt4/libQtGui.so.4.6.2 b7641000-b7644000 rwxp 00a76000 09:03 623848 /usr/lib/qt4/libQtGui.so.4.6.2 b7644000-b7647000 rwxp 00000000 00:00 0 b7647000-b7709000 r-xp 00000000 09:03 569636 /usr/lib/qt4/libQtOpenGL.so.4.6.2 b7709000-b770b000 r-xp 000c2000 09:03 569636 /usr/lib/qt4/libQtOpenGL.so.4.6.2 b770b000-b770f000 rwxp 000c4000 09:03 569636 /usr/lib/qt4/libQtOpenGL.so.4.6.2 b770f000-b7711000 rwxp 00000000 00:00 0 b7711000-b7712000 r-xp 00000000 00:00 0 [vdso] b7712000-b772e000 r-xp 00000000 09:03 328222 /lib/ld-2.10.1.so b772e000-b772f000 r-xp 0001c000 09:03 328222 /lib/ld-2.10.1.so b772f000-b7730000 rwxp 0001d000 09:03 328222 /lib/ld-2.10.1.so bfc5a000-bfc7a000 rwxp 00000000 00:00 0 [stack] bfc7a000-bfc7b000 rw-p 00000000 00:00 0