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  1. 24th October 2013, 18:56 #1
    rawfool
    rawfool is offline Intermediate user
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    Default Installed Qwt & also set ldconfig, but application is crashing

    Hi,

    I downloaded qwt-6.1.0 and installed as said in installation procedure.
    Qt Code: 
    1. cd qwt-6.1.0
    2. /usr/local/Qt-5.0.1/bin/qmake qwt.pro
    3. make
    4. sudo make install
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    I didn' want the designed plugin, so didn't tinker with it.

    Then I did set the lib path by
    Qt Code: 
    1. export LD_LIBRARY_PATH="/usr/local/qwt-6.1.0/lib"
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    My .pro file looks like this
    Qt Code: 
    1. QT       += core gui
    2.  
    3. greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
    4.  
    5. CONFIG += qwt
    6.  
    7. TARGET = QPrac
    8. TEMPLATE = app
    9.  
    10. INCLUDEPATH += /usr/local/qwt-6.1.0/include
    11.  
    12. LIBS += -L/usr/local/qwt-6.1.0/lib -lqwt
    13.  
    14. SOURCES += main.cpp\
    15.         cwidget.cpp
    16.  
    17. HEADERS  += cwidget.h
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    The application output is giving the following -
    Qt Code: 
    1. Starting /home/rahul/Documents/QPrac/QPrac...
    2. *** glibc detected *** /home/rahul/Documents/QPrac/QPrac: realloc(): invalid pointer: 0xb6f77e9c ***
    3. ======= Backtrace: =========
    4. /lib/i386-linux-gnu/libc.so.6(+0x75ee2)[0xb68beee2]
    5. /lib/i386-linux-gnu/libc.so.6(realloc+0x25d)[0xb68c356d]
    6. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QListData7reallocEi+0x37)[0xb6bb8e67]
    7. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QListData6appendEi+0x7c)[0xb6bb8f4c]
    8. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QListData6appendEv+0x23)[0xb6bb8fd3]
    9. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x6c2c8)[0xb6b742c8]
    10. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x6a4fd)[0xb6b724fd]
    11. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x6b0d8)[0xb6b730d8]
    12. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_Z20qMessageFormatString9QtMsgTypeRK18QMessageLogContextRK7QString+0x6cc)[0xb6b738ec]
    13. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x6ba72)[0xb6b73a72]
    14. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x69227)[0xb6b71227]
    15. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(+0x69383)[0xb6b71383]
    16. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZNK14QMessageLogger5fatalEPKcz+0x3f)[0xb6b7194f]
    17. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QMetaType22registerNormalizedTypeERK10QByteArrayPFvPvEPFS3_PKvES5_PFS3_S3_S7_Ei6QFlagsINS_8TypeFlagEEPK11QMetaObject+0x57f)[0xb6d6752f]
    18. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QMetaType12registerTypeEPKcPFvPvEPFS2_PKvES4_PFS2_S2_S6_Ei6QFlagsINS_8TypeFlagEEPK11QMetaObject+0x67)[0xb6d675e7]
    19. /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5(_ZN9QMetaType12registerTypeEPKcPFvPvEPFS2_PKvE+0x57)[0xb6d676a7]
    20. /usr/lib/i386-linux-gnu/libQtGui.so.4(+0x328a8e)[0xb5f4ba8e]
    21. /usr/lib/i386-linux-gnu/libQtGui.so.4(+0x126f40)[0xb5d49f40]
    22. /lib/ld-linux.so.2(+0xeeab)[0xb7704eab]
    23. /lib/ld-linux.so.2(+0xef94)[0xb7704f94]
    24. /lib/ld-linux.so.2(+0x120f)[0xb76f720f]
    25. ======= Memory map: ========
    26. 08048000-0804b000 r-xp 00000000 08:01 1843399    /home/rahul/Documents/QPrac/QPrac
    27. 0804b000-0804c000 r--p 00002000 08:01 1843399    /home/rahul/Documents/QPrac/QPrac
    28. 0804c000-0804d000 rw-p 00003000 08:01 1843399    /home/rahul/Documents/QPrac/QPrac
    29. 08336000-08357000 rw-p 00000000 00:00 0          [heap]
    30. b35f8000-b35fc000 rw-p 00000000 00:00 0 
    31. b35fc000-b3601000 r-xp 00000000 08:01 135631     /usr/lib/i386-linux-gnu/libXdmcp.so.6.0.0
    32. b3601000-b3602000 r--p 00004000 08:01 135631     /usr/lib/i386-linux-gnu/libXdmcp.so.6.0.0
    33. b3602000-b3603000 rw-p 00005000 08:01 135631     /usr/lib/i386-linux-gnu/libXdmcp.so.6.0.0
    34.  
    35.  
    36. // [LOT OF SIMILAR MESSAGES HERE]
    37.  
    38.  
    39. b5c22000-b5c23000 rw-p 00000000 00:00 0 
    40. b5c23000-b66cd000 r-xp 00000000 08:01 133481     /usr/lib/i386-linux-gnu/libQtGui.so.4.8.1
    41. b66cd000-b66ef000 r--p 00aa9000 08:01 133481     /usr/lib/i386-linux-gnu/libQtGui.so.4.8.1
    42. b66ef000-b66f3000 rw-p 00acb000 08:01 133481     /usr/lib/i386-linux-gnu/libQtGui.so.4.8.1
    43. b66f3000-b66f6000 rw-p 00000000 00:00 0 
    44. b66f6000-b67ec000 r-xp 00000000 08:01 133455     /usr/lib/i386-linux-gnu/libQtOpenGL.so.4.8.1
    45. b67ec000-b67ee000 r--p 000f6000 08:01 133455     /usr/lib/i386-linux-gnu/libQtOpenGL.so.4.8.1
    46. b67ee000-b67f2000 rw-p 000f8000 08:01 133455     /usr/lib/i386-linux-gnu/libQtOpenGL.so.4.8.1
    47. b67f2000-b67f4000 rw-p 00000000 00:00 0 
    48. b67f4000-b6847000 r-xp 00000000 08:01 133460     /usr/lib/i386-linux-gnu/libQtSvg.so.4.8.1
    49. b6847000-b6848000 r--p 00052000 08:01 133460     /usr/lib/i386-linux-gnu/libQtSvg.so.4.8.1
    50. b6848000-b6849000 rw-p 00053000 08:01 133460     /usr/lib/i386-linux-gnu/libQtSvg.so.4.8.1
    51. b6849000-b69ed000 r-xp 00000000 08:01 532188     /lib/i386-linux-gnu/libc-2.15.so
    52. b69ed000-b69ef000 r--p 001a4000 08:01 532188     /lib/i386-linux-gnu/libc-2.15.so
    53. b69ef000-b69f0000 rw-p 001a6000 08:01 532188     /lib/i386-linux-gnu/libc-2.15.so
    54. b69f0000-b69f3000 rw-p 00000000 00:00 0 
    55. b69f3000-b6a0f000 r-xp 00000000 08:01 525142     /lib/i386-linux-gnu/libgcc_s.so.1
    56. b6a0f000-b6a10000 r--p 0001b000 08:01 525142     /lib/i386-linux-gnu/libgcc_s.so.1
    57. b6a10000-b6a11000 rw-p 0001c000 08:01 525142     /lib/i386-linux-gnu/libgcc_s.so.1
    58. b6a11000-b6ae9000 r-xp 00000000 08:01 136163     /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
    59. b6ae9000-b6aea000 ---p 000d8000 08:01 136163     /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
    60. b6aea000-b6aee000 r--p 000d8000 08:01 136163     /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
    61. b6aee000-b6aef000 rw-p 000dc000 08:01 136163     /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
    62. b6aef000-b6af6000 rw-p 00000000 00:00 0 
    63. b6b07000-b6b08000 rw-p 00000000 00:00 0 
    64. b6b08000-b6f71000 r-xp 00000000 08:01 808964     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5.1.1
    65. b6f71000-b6f72000 ---p 00469000 08:01 808964     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5.1.1
    66. b6f72000-b6f77000 r--p 00469000 08:01 808964     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5.1.1
    67. b6f77000-b6f8a000 rw-p 0046e000 08:01 808964     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Core.so.5.1.1
    68. b6f8a000-b6f8c000 rw-p 00000000 00:00 0 
    69. b6f8c000-b758b000 r-xp 00000000 08:01 809012     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Widgets.so.5.1.1
    70. b758b000-b75a0000 r--p 005fe000 08:01 809012     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Widgets.so.5.1.1
    71. b75a0000-b75b8000 rw-p 00613000 08:01 809012     /opt/Qt5.1.1/5.1.1/gcc/lib/libQt5Widgets.so.5.1.1
    72. b75b8000-b76ea000 r-xp 00000000 08:01 548194     /usr/local/qwt-6.1.0/lib/libqwt.so.6.1.0
    73. b76ea000-b76eb000 ---p 00132000 08:01 548194     /usr/local/qwt-6.1.0/lib/libqwt.so.6.1.0
    74. b76eb000-b76f0000 r--p 00132000 08:01 548194     /usr/local/qwt-6.1.0/lib/libqwt.so.6.1.0
    75. b76f0000-b76f3000 rw-p 00137000 08:01 548194     /usr/local/qwt-6.1.0/lib/libqwt.so.6.1.0
    76. b76f3000-b76f5000 rw-p 00000000 00:00 0 
    77. b76f5000-b76f6000 r-xp 00000000 00:00 0          [vdso]
    78. b76f6000-b7716000 r-xp 00000000 08:01 532178     /lib/i386-linux-gnu/ld-2.15.so
    79. b7716000-b7717000 r--p 0001f000 08:01 532178     /lib/i386-linux-gnu/ld-2.15.so
    80. b7717000-b7718000 rw-p 00020000 08:01 532178     /lib/i386-linux-gnu/ld-2.15.so
    81. bfab5000-bfad6000 rw-p 00000000 00:00 0          [stack]
    82. The program has unexpectedly finished.
    83. /home/rahul/Documents/QPrac/QPrac exited with code 0
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    I used QwtPlot and added it to a QHBoxLayout and tried to build & run. The compilation works fine, but if I run, it crashes. Kindly help me.
    Thank you.
    Last edited by rawfool; 24th October 2013 at 19:03.
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