Could this be a float matrix issue? Have a check back up the stack and see if there are any Matrixd references on there.
Roger > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:osg-users- > [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] > Sent: 05 June 2008 23:42 > To: OpenSceneGraph Users > Subject: Re: [osg-users] [vtp] Segfault in VTP, but looks like OSG > > > Rick, > > > > The most likely explanation is that you have two copies of OSG on your > > system, compiling against the headers of one, linking against the other. > > > > That's the first thing I thought too. Some mismatch between a header and a > library, but I've double checked and I can't find anything installed > except the Fedora headers. > > > Is the problem specific to your exact platform? glutSimple runs fine > > elsewhere, including the Windows and Ubuntu boxes here. > > > > Somehow it must be. > > It is the MatrixTransform constructor that is stepping on the mutex data. > In debugging I noticed that _refMutex is located at 0x1b45ca8 and points > to 0x1b45e20 and _prvData points to 0x1b45e40. Then, when the > MatrixTransform constructor is called after all the parent constructors, > _matrix is initialized at address 0x1b45d98 and then _inverse is > initialized at address 0x1b45e18. > > Thus _inverse is overlying the memory location _refMutex was allocated at. > > I thought it might have something to do with the mutable keyword, but I > just wrote a small test that dynamically allocated a class with two > two-dimensional arrays (like the matrices) and in a parent dynamically > allocates another member... and no issues. > > Which leads me back to thinking that an improper header is the issue. But, > I've grepped all of /usr/include for any other header that includes a > class named MatrixTransform and osg/MatrixTransform is the only one. > > I'm going to rebuild inside of a clean chroot and see if anything changes. > > > > -Ben > > > >> -----Original Message----- > >> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of > >> [EMAIL PROTECTED] > >> Sent: Tuesday, June 03, 2008 6:40 AM > >> To: osg-users@lists.openscenegraph.org > >> Cc: [EMAIL PROTECTED] > >> Subject: [vtp] Segfault in VTP, but looks like OSG > >> > >> I'm having trouble with a segfault in VTP's glutsimple application, but > >> it > >> looks like the problem traces back into OSG. For reference, I'm using > >> OSG > >> 2.2.0 on Fedora 9, and VTP 080506. > >> > >> Here's a backtrace: > >> > >> ScopedLock > >> OpenThreads/ScopedLock:31 > >> osg::Referenced::ref osg/Referenced:128 > >> osg::ref_ptr<osg::MatrixTransform>::operator= osg/ref_ptr:50 > >> vtTransform NodeOSG.cpp:1223 > >> ... > >> > >> [...] > >> > >> Anyone else encountered this? BTW, I tried OSG 2.4 and experienced the > >> same behavior. > >> > >> Thanks, > >> > >> Rick > > > > _______________________________________________ > > osg-users mailing list > > osg-users@lists.openscenegraph.org > > http://lists.openscenegraph.org/listinfo.cgi/osg-users- > openscenegraph.org > > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org _______________________________________________ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
