Incremental loader bug on Linux

From: Robert Wilhelm (robert@gaston.camelot.de)
Date: Mon Mar 11 2002 - 18:46:54 GMT

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    When e.g. loading the Dokument from #2393 (TIPython.doc) and moving
    the mouse a bit during load, I get following crash under Linux:

    Program received signal SIGSEGV, Segmentation fault.
    0x0811a0de in AP_TopRuler::mouseMotion (this=0x85a8580, ems=0, x=384, y=-8)
        at ap_TopRuler.cpp:2201
    2201 m_pG->setCursor(GR_Graphics::GR_CURSOR_DEFAULT);
    (gdb) p m_pG
    $1 = (class GR_Graphics *) 0x0
    (gdb) bt
    #0 0x0811a0de in AP_TopRuler::mouseMotion (this=0x85a8580, ems=0, x=384, y=-8)
        at ap_TopRuler.cpp:2201
    #1 0x080dee30 in AP_UnixTopRuler::_fe::motion_notify_event (w=0x85a8688,
        e=0x8c15968) at ap_UnixTopRuler.cpp:296
    #2 0x400edaec in gtk_marshal_BOOL__POINTER () from /usr/lib/libgtk-1.2.so.0
    #3 0x40121436 in gtk_handlers_run () from /usr/lib/libgtk-1.2.so.0
    #4 0x4012076d in gtk_signal_real_emit () from /usr/lib/libgtk-1.2.so.0
    #5 0x4011e525 in gtk_signal_emit () from /usr/lib/libgtk-1.2.so.0
    #6 0x40158b89 in gtk_widget_event () from /usr/lib/libgtk-1.2.so.0
    #7 0x400eda45 in gtk_propagate_event () from /usr/lib/libgtk-1.2.so.0
    #8 0x400eca6f in gtk_main_do_event () from /usr/lib/libgtk-1.2.so.0
    #9 0x4019dd7f in gdk_event_dispatch () from /usr/lib/libgdk-1.2.so.0
    #10 0x401d1773 in g_main_dispatch () from /usr/lib/libglib-1.2.so.0
    #11 0x401d1d39 in g_main_iterate () from /usr/lib/libglib-1.2.so.0
    #12 0x401d1e1e in g_main_iteration () from /usr/lib/libglib-1.2.so.0
    #13 0x400ec594 in gtk_main_iteration () from /usr/lib/libgtk-1.2.so.0
    #14 0x0826af59 in XAP_UnixFrame::nullUpdate (this=0x8529490)
        at xap_UnixFrame.cpp:736
    #15 0x082497f6 in PD_Document::appendStrux (this=0x85b39e8, pts=PTX_Block,
        attributes=0xbfffd360) at pd_Document.cpp:473
    #16 0x0816b186 in IE_Imp_MsWord_97::_beginPara (this=0x405a3008,
        ps=0xbfffe530, tag=4, prop=0xbfffda00, dirty=0)
        at ie_imp_MsWord_97.cpp:1914
    #17 0x0816917f in IE_Imp_MsWord_97::_eleProc (this=0x405a3008, ps=0xbfffe530,
        tag=4, props=0xbfffda00, dirty=0) at ie_imp_MsWord_97.cpp:1136
    #18 0x0816cd21 in eleProc (ps=0xbfffe530, tag=PARABEGIN, props=0xbfffda00,
        dirty=0) at ie_imp_MsWord_97.cpp:2569
    #19 0x081a834d in wvHandleElement (ps=0xbfffe530, tag=PARABEGIN,
        props=0xbfffda00, dirty=0) at text.c:1026
    #20 0x081de6ea in wvDecodeSimple (ps=0xbfffe530, whichdoc=Dmain)
        at decode_simple.c:375
    #21 0x081ad005 in wvText (ps=0xbfffe530) at wvTextEngine.c:14
    #22 0x08167f1c in IE_Imp_MsWord_97::importFile (this=0x405a3008,
        szFilename=0xbffffaf4 "TIPython.doc") at ie_imp_MsWord_97.cpp:617
    #23 0x08248e59 in PD_Document::readFromFile (this=0x85b39e8,
        szFilename=0xbffffaf4 "TIPython.doc", ieft=0) at pd_Document.cpp:202
    #24 0x080da7b9 in AP_UnixFrame::_loadDocument (this=0x8529490,
        szFilename=0xbffffaf4 "TIPython.doc", ieft=0, createNew=true)
        at ap_UnixFrame.cpp:502
    #25 0x080dacdc in AP_UnixFrame::loadDocument (this=0x8529490,
        szFilename=0xbffffaf4 "TIPython.doc", ieft=0, createNew=true)
        at ap_UnixFrame.cpp:633
    #26 0x080d8dfb in AP_UnixApp::parseCommandLine (this=0x84c8818)
        at ap_UnixApp.cpp:1537
    #27 0x080d8513 in AP_UnixApp::main (szAppName=0x835655b "AbiWord", argc=2,
        argv=0xbffff9b4) at ap_UnixApp.cpp:1337
    #28 0x080d53ee in main (argc=2, argv=0xbffff9b4) at UnixMain.cpp:32
    #29 0x4038e306 in __libc_start_main (main=0x80d5390 <main>, argc=2,
        ubp_av=0xbffff9b4, init=0x80d2d48 <_init>, fini=0x8356518 <_fini>,
        rtld_fini=0x4000d2dc <_dl_fini>, stack_end=0xbffff9ac)
        at ../sysdeps/generic/libc-start.c:129
    (gdb)



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