[Bug 56059] aRtsd crashes if loading StereoCompressor before any other effects (was: artsd crashes at krec startup)

Frans Pop aragorn at tiscali.nl
Wed Oct 22 18:51:27 BST 2003

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------- Additional Comments From aragorn at tiscali.nl  2003-10-22 19:51 -------
Killed artsd and restarted with -l0 ('artsd -l0 &' from shell).
This is output when starting the aRts Control Tool:
UnixManager: got notifyIO
socketconnection created, fd = 10
have 4 ports
result 42
connect port scaleFactor_changed to value
connected an asyncnetsend
calculate Volume in StereoVolumeControl
devirtualize StereoVolumeControl

When I next select View environment I straightaway get the segfault (no additional output).
The backtrace gives:
(no debugging symbols found)...0x4153da59 in wait4 () from /lib/libc.so.6
#0  0x4153da59 in wait4 () from /lib/libc.so.6
#1  0x415b4e48 in __check_rhosts_file () from /lib/libc.so.6
#2  0x4130b453 in waitpid () from /lib/libpthread.so.0
#3  0x40b0518a in KCrash::defaultCrashHandler () from /usr/lib/libkdecore.so.4
#4  0x41308f54 in pthread_sighandler () from /lib/libpthread.so.0
#5  0x414c66b8 in sigaction () from /lib/libc.so.6
#6  0x08064211 in QValueList<QString>::operator+= ()
#7  0x0805c547 in virtual function thunk (delta:-40) for QWidget::metric ()
#8  0x080593d9 in virtual function thunk (delta:-40) for QWidget::metric ()
#9  0x40e40ab9 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#10 0x40e409fe in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#11 0x4044b338 in KAction::activated () from /usr/lib/libkdeui.so.4
#12 0x404411e2 in KAction::slotActivated () from /usr/lib/libkdeui.so.4
#13 0x4044b532 in KAction::qt_invoke () from /usr/lib/libkdeui.so.4
#14 0x40e40ab9 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#15 0x41093413 in QSignal::signal () from /usr/lib/libqt-mt.so.3
#16 0x40e562f5 in QSignal::activate () from /usr/lib/libqt-mt.so.3
#17 0x40f0906f in QPopupMenu::mouseReleaseEvent () from /usr/lib/libqt-mt.so.3
#18 0x40e6b566 in QWidget::event () from /usr/lib/libqt-mt.so.3
#19 0x40dee4da in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#20 0x40dedf8b in QApplication::notify () from /usr/lib/libqt-mt.so.3
#21 0x40aa36fa in KApplication::notify () from /usr/lib/libkdecore.so.4
#22 0x40da2daa in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3
#23 0x40da141b in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#24 0x40db283d in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#25 0x40dffdae in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#26 0x40dffd0b in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#27 0x40dee632 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#28 0x0805cf2f in virtual function thunk (delta:-40) for QWidget::metric ()
#29 0x414b614f in __libc_start_main () from /lib/libc.so.6

Don't know about debug=full? How do I set it?
Wouldn't I have to compile myself for this and to add -g to CFLAGS?

Again, I think it would be better to do some structured debugging one-on-one with a KDE/arts-developer over private email to solve this problem instead of following 'wild' suggestions (although they are appreciated).

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