How to use gdb to find what segfaults in MainActor
Hello all! I have downloaded MainActor and playing around to see if it is something i want to buy. But it segfaults when i try to use the text filter. I read some problems with fonts not loading on the net, but mine does. I run it and the only thing it kicks out after craching is: ~/> /opt/MainActor_V5/mactor Binary file: /opt/MainActor_V5/mactor Segmentation fault ~/> I dont know how to use gdb but i tried running MainActor via it after the crash. gdb /opt/MainActor_V5/mactor GNU gdb 6.3 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i586-suse-linux"...Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) run Starting program: /opt/MainActor_V5/mactor [Thread debugging using libthread_db enabled] [New Thread 1088021024 (LWP 3518)] Binary file: /opt/MainActor_V5/mactor [New Thread 1090902960 (LWP 3524)] Detaching after fork from child process 3525. [New Thread 1104440240 (LWP 3530)] [New Thread 1106541488 (LWP 3531)] [New Thread 1108642736 (LWP 3532)] [New Thread 1110784944 (LWP 3535)] [Thread 1106541488 (LWP 3531) exited] [New Thread 1106541488 (LWP 3541)] [Thread 1106541488 (LWP 3541) exited] [New Thread 1106541488 (LWP 3545)] [Thread 1106541488 (LWP 3545) exited] [New Thread 1106541488 (LWP 3546)] [Thread 1106541488 (LWP 3546) exited] [New Thread 1106541488 (LWP 3548)] [Thread 1106541488 (LWP 3548) exited] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1088021024 (LWP 3518)] 0x4039d577 in QListBox::count () from /usr/lib/MainConcept/MainActor/libqt-mt.so.3 (gdb) What do i do from here? It seems to be the libqt-mt.s0.3 that is breaking. It is killing other things too. I have had crashes of various programs due to it fouling up lately (Mainly Konqueror) How do i find out whats wrong?? And most of all: How do i fix it?? -- /Rikard " Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without loosing something." -R. Stallman --------------------------------------------------------------- Rikard Johnels email : rikjoh@norweb.se Mob : +46 763 19 76 25 PGP : 0x461CEE56 ---------------------------------------------------------------
On Tuesday 17 May 2005 00.50, Rikard Johnels wrote:
Hello all!
I have downloaded MainActor and playing around to see if it is something i want to buy. But it segfaults when i try to use the text filter.
Ok. So i did a bt in gdb: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1085913248 (LWP 8883)] 0x403873e7 in QListBox::count () from /usr/lib/libqt-mt.so.3 (gdb) bt #0 0x403873e7 in QListBox::count () from /usr/lib/libqt-mt.so.3 #1 0x081edb7d in MVTWidget::MVTWidget () #2 0x080ba765 in MCParamCtrl_DataBlock::MCParamCtrl_DataBlock () #3 0x081bf33d in MCParams::addClip () #4 0x080b5c98 in MCParamDlg::addClip () #5 0x0812946a in MCTimelineTracks::mouseDoubleClickEvent () #6 0x402e78f4 in QWidget::event () from /usr/lib/libqt-mt.so.3 #7 0x4024ebaf in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3 #8 0x40250f56 in QApplication::notify () from /usr/lib/libqt-mt.so.3 #9 0x401ec25e in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3 #10 0x401eb116 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3 #11 0x401fbb08 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3 #12 0x40266b41 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3 #13 0x40266986 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3 #14 0x4025063f in QApplication::exec () from /usr/lib/libqt-mt.so.3 #15 0x080c44af in main () (gdb) Now what? I seems like the /usr/lib/libqt-mt.so.3 is the lib trashing wildly. What can i do about it?? -- /Rikard " Sharing knowledge is the most fundamental act of friendship. Because it is a way you can give something without loosing something." -R. Stallman --------------------------------------------------------------- Rikard Johnels email : rikjoh@norweb.se Mob : +46 763 19 76 25 PGP : 0x461CEE56 ---------------------------------------------------------------
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Rikard Johnels