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List:       kde3alpha
Subject:    [Kde3alpha] Kdevelop
From:       Giles <dt98gmb () brunel ! ac ! uk>
Date:       2002-02-21 10:33:20
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Hi, 

Two things firstly

I really have no idea what a "backtrace" is which is generated when a program 
crashes. And want to find more information about it, as I am interested in 
debugging but have no idea where to look.

and secondly 

Kdevelop 3.0 keeps crashing on me after every three attempts at building a 
project. (It works fine until it crashes then I have to reload kdevelop to 
continue my work, which is a bit frustrating)

Listed below is the backtrace: (what does it mean) is it usefull for me to 
post this here? what is causing the crash libc.so.6, qt-mt.so.3, or kdevelop?
Can I fix this (probably not)?

Thankyou

Giles

[New Thread 1024 (LWP 18234)]
0x41412559 in __wait4 () from /lib/libc.so.6
#0  0x41412559 in __wait4 () from /lib/libc.so.6
#1  0x4148ea80 in __DTOR_END__ () from /lib/libc.so.6
#2  0x412b01f2 in waitpid (pid=18305, stat_loc=0x0, options=0)
    at wrapsyscall.c:173
#3  0x40a8754c in KCrash::defaultCrashHandler ()
   from /opt/kde/lib/libkdecore.so.4
#4  0x412adf24 in pthread_sighandler (signo=11, ctx=
      {gs = 7, __gsh = 0, fs = 0, __fsh = 0, es = 43, __esh = 0, ds = 43, 
__dsh = 0, edi = 138245936, esi = 138298464, ebp = 3221220444, esp = 
3221220420, ebx = 1091879996, edx = 135522664, ecx = 135522640, eax = 
6357039, trapno = 14, err = 6, eip = 1088183298, cs = 35, __csh = 0, eflags = 
66050, esp_at_signal = 3221220420, ss = 43, __ssh = 0, fpstate = 0xbfffe9c8, 
oldmask = 2147483648, cr2 = 6357039}) at signals.c:97
#5  <signal handler called>
#6  0x40dc5c02 in QTextStringChar::setFormat ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#7  0x40e8998a in QTextEdit::readFormats () from /usr/lib/qt/lib/libqt-mt.so.3
#8  0x40e8a804 in QTextEdit::removeSelectedText ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#9  0x40e9740e in QTextEdit::clear () from /usr/lib/qt/lib/libqt-mt.so.3
#10 0x40093b6b in MakeWidget::startNextJob ()
   from /opt/kde/lib/libkdevoutputviews.so
#11 0x400934f0 in MakeWidget::queueJob ()
   from /opt/kde/lib/libkdevoutputviews.so
#12 0x40092978 in MakeViewPart::queueCommand ()
   from /opt/kde/lib/libkdevoutputviews.so
#13 0x41c8e70c in AutoProjectPart::startMakeCommand ()
   from /opt/kde/lib/kde3/libkdevautoproject.so
#14 0x41c8e7f8 in AutoProjectPart::slotBuild ()
   from /opt/kde/lib/kde3/libkdevautoproject.so
#15 0x41c903ab in AutoProjectPart::qt_invoke ()
   from /opt/kde/lib/kde3/libkdevautoproject.so
#16 0x40d6d5f7 in QObject::activate_signal ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#17 0x40d6d543 in QObject::activate_signal ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#18 0x4081066b in KAction::activated () from /opt/kde/lib/libkdeui.so.4
#19 0x4080c83a in KAction::slotActivated () from /opt/kde/lib/libkdeui.so.4
#20 0x40808d52 in KAction::qt_invoke () from /opt/kde/lib/libkdeui.so.4
#21 0x40d6d659 in QObject::activate_signal ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#22 0x40d6d543 in QObject::activate_signal ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#23 0x4100b9b3 in QButton::clicked () from /usr/lib/qt/lib/libqt-mt.so.3
#24 0x40df285a in QButton::mouseReleaseEvent ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#25 0x40d98b11 in QWidget::event () from /usr/lib/qt/lib/libqt-mt.so.3
#26 0x40d18aa3 in QApplication::internalNotify ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#27 0x40d18406 in QApplication::notify () from /usr/lib/qt/lib/libqt-mt.so.3
#28 0x409e32f7 in KApplication::notify () from /opt/kde/lib/libkdecore.so.4
#29 0x40ccd1ab in QETWidget::translateMouseEvent ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#30 0x40cca835 in QApplication::x11ProcessEvent ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#31 0x40cc951f in QApplication::processNextEvent ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#32 0x40d19f04 in QApplication::enter_loop ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#33 0x40cc9486 in QApplication::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#34 0x08053a16 in main ()
#35 0x41385b61 in __libc_start_main (main=0x80537f0 <main>, argc=7, 
    ubp_av=0xbffffc54, init=0x8051558 <_init>, fini=0x8065e84 <_fini>, 
    rtld_fini=0x4000b6e4 <_dl_fini>, stack_end=0xbffffc4c)
    at ../sysdeps/generic/libc-start.c:129

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