Crash problem on Fedora 12

[liberty]

Ver: 0.90, x86-64
Sometime when looking up some words, the program will crash. It is not very stable on Fedora 12.
Here is some debug info, I hope it is useful for you:
Last lines of console output:
erasing..
erase done..
one finished.
erasing..
erase done..
one not finished.
some body finished
one not finished.
some body finished
one not finished.
some body finished
one not finished.
Finished.
done.
request end
Finished.
done.
some body finished
one finished.
erasing..
erase done..

This is from GDB:
Program received signal SIGSEGV, Segmentation fault.
0x0000003ea4e54f89 in QMutex::lock() () from /usr/lib64/libQtCore.so.4
(gdb) bt
#0 0x0000003ea4e54f89 in QMutex::lock() () from /usr/lib64/libQtCore.so.4
#1 0x0000003ea4f3eb72 in QCoreApplication::postEvent(QObject*, QEvent*, int)
() from /usr/lib64/libQtCore.so.4
#2 0x000000373126d3ee in ?? () from /usr/lib64/libQtNetwork.so.4
#3 0x000000373125cc7a in ?? () from /usr/lib64/libQtNetwork.so.4
#4 0x000000373126e5a0 in ?? () from /usr/lib64/libQtNetwork.so.4
#5 0x000000373126e5f1 in ?? () from /usr/lib64/libQtNetwork.so.4
#6 0x0000003ea5d8f65c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQtGui.so.4
#7 0x0000003ea5d968ce in QApplication::notify(QObject*, QEvent*) ()
from /usr/lib64/libQtGui.so.4
#8 0x0000003ea4f3ee6c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib64/libQtCore.so.4
#9 0x0000003ea4f3fa42 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib64/libQtCore.so.4
#10 0x0000003ea4f67573 in ?? () from /usr/lib64/libQtCore.so.4
#11 0x000000395703922e in g_main_context_dispatch ()
from /lib64/libglib-2.0.so.0
#12 0x000000395703cc18 in ?? () from /lib64/libglib-2.0.so.0
#13 0x000000395703cd3a in g_main_context_iteration ()
from /lib64/libglib-2.0.so.0
#14 0x0000003ea4f671e6 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#15 0x0000003ea5e21ffe in ?? () from /usr/lib64/libQtGui.so.4
#16 0x0000003ea4f3d772 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#17 0x0000003ea4f3db44 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#18 0x0000003ea4f3fcd9 in QCoreApplication::exec() ()
from /usr/lib64/libQtCore.so.4
#19 0x00000000004351a8 in QWidget::setUpdatesEnabled(bool) ()
#20 0x000000395581eb1d in __libc_start_main () from /lib64/libc.so.6
#21 0x000000000041ec99 in QWidget::setUpdatesEnabled(bool) ()
#22 0x00007fffffffe128 in ?? ()
#23 0x000000000000001c in ?? ()
#24 0x0000000000000001 in ?? ()
#25 0x00007fffffffe43e in ?? ()
#26 0x0000000000000000 in ?? ()

[ikm]

Update to GIT version.

[liberty]

Update to GIT version.

The git version cannot be compiled on my Fedora 12. I have installed every dependency listed. It gives me such error:
$ qmake
$ make
Makefile:1100: warning: overriding commands for target `build/groups.o'
Makefile:671: warning: ignoring old commands for target `build/groups.o'
Makefile:1106: warning: overriding commands for target `build/mainwindow.o'
Makefile:512: warning: ignoring old commands for target `build/mainwindow.o'
Makefile:1109: warning: overriding commands for target `build/sources.o'
Makefile:482: warning: ignoring old commands for target `build/sources.o'
Makefile:1112: warning: overriding commands for target `build/initializing.o'
Makefile:542: warning: ignoring old commands for target `build/initializing.o'
Makefile:1118: warning: overriding commands for target `build/scanpopup.o'
Makefile:726: warning: ignoring old commands for target `build/scanpopup.o'
Makefile:1121: warning: overriding commands for target `build/articleview.o'
Makefile:743: warning: ignoring old commands for target `build/articleview.o'
Makefile:1124: warning: overriding commands for target `build/preferences.o'
Makefile:787: warning: ignoring old commands for target `build/preferences.o'
Makefile:1130: warning: overriding commands for target `build/editdictionaries.o'
Makefile:897: warning: ignoring old commands for target `build/editdictionaries.o'
Makefile:1133: warning: overriding commands for target `build/orderandprops.o'
Makefile:982: warning: ignoring old commands for target `build/orderandprops.o'
Makefile:1258: warning: overriding commands for target `build/moc_groups.o'
Makefile:1165: warning: ignoring old commands for target `build/moc_groups.o'
Makefile:1264: warning: overriding commands for target `build/moc_mainwindow.o'
Makefile:1136: warning: ignoring old commands for target `build/moc_mainwindow.o'
Makefile:1267: warning: overriding commands for target `build/moc_sources.o'
Makefile:1148: warning: ignoring old commands for target `build/moc_sources.o'
Makefile:1270: warning: overriding commands for target `build/moc_initializing.o'
Makefile:1151: warning: ignoring old commands for target `build/moc_initializing.o'
Makefile:1276: warning: overriding commands for target `build/moc_scanpopup.o'
Makefile:1186: warning: ignoring old commands for target `build/moc_scanpopup.o'
Makefile:1279: warning: overriding commands for target `build/moc_articleview.o'
Makefile:1189: warning: ignoring old commands for target `build/moc_articleview.o'
Makefile:1282: warning: overriding commands for target `build/moc_preferences.o'
Makefile:1214: warning: ignoring old commands for target `build/moc_preferences.o'
Makefile:1288: warning: overriding commands for target `build/moc_editdictionaries.o'
Makefile:1232: warning: ignoring old commands for target `build/moc_editdictionaries.o'
Makefile:1291: warning: overriding commands for target `build/moc_orderandprops.o'
Makefile:1244: warning: ignoring old commands for target `build/moc_orderandprops.o'
Makefile:1366: warning: overriding commands for target `build/moc_groups.cpp'
Makefile:1312: warning: ignoring old commands for target `build/moc_groups.cpp'
Makefile:1372: warning: overriding commands for target `build/moc_mainwindow.cpp'
Makefile:1294: warning: ignoring old commands for target `build/moc_mainwindow.cpp'
Makefile:1375: warning: overriding commands for target `build/moc_sources.cpp'
Makefile:1303: warning: ignoring old commands for target `build/moc_sources.cpp'
Makefile:1378: warning: overriding commands for target `build/moc_initializing.cpp'
Makefile:1306: warning: ignoring old commands for target `build/moc_initializing.cpp'
Makefile:1384: warning: overriding commands for target `build/moc_scanpopup.cpp'
Makefile:1321: warning: ignoring old commands for target `build/moc_scanpopup.cpp'
Makefile:1387: warning: overriding commands for target `build/moc_articleview.cpp'
Makefile:1324: warning: ignoring old commands for target `build/moc_articleview.cpp'
Makefile:1390: warning: overriding commands for target `build/moc_preferences.cpp'
Makefile:1339: warning: ignoring old commands for target `build/moc_preferences.cpp'
Makefile:1396: warning: overriding commands for target `build/moc_editdictionaries.cpp'
Makefile:1351: warning: ignoring old commands for target `build/moc_editdictionaries.cpp'
Makefile:1399: warning: overriding commands for target `build/moc_orderandprops.cpp'
Makefile:1357: warning: ignoring old commands for target `build/moc_orderandprops.cpp'
make: *** No rule to make target `locale/ru_RU.qm', needed by `goldendict'. Stop.

[ikm]

Try changing "lupdate-qt4" to just "lupdate" in the goldendict.pro file.

[liberty]

Try changing "lupdate-qt4" to just "lupdate" in the goldendict.pro file.

But there is no such line "lupdate-qt4" in goldendict.pro.
I uses this git clone git://git.berlios.de/goldendict to download from git. I think it is the latest git version.
My qt version is 4.5.3.

[liberty]

I know the problem. I should run qmake-qt4 in Fedora 12 not qmake.

[bluteca]

Is Fedora core 2 a good OS to program in C? My instructor gave us Fedora 8 dvds to install because we have to write our programs to run in linux. But the way he packed the DVD I can't find any setup file to run not even after decrypting the images. So will Fedora 2 make for a good substitute? Thanks for insight.
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