Dirk Reiners wrote:
> as much as I would like to help you, I have no clue what could be wrong. Have
> you tried setting the log level to debug to get more output and to run the
> client and server in a debugger to see where they're hanging? Other than that
> I
> can't really say much.
Hello Dirk.
I compiled everything with the debug libs now and the error is getting
more and more confusing:
When using the dbg libs, the client just segfaults. When I look at the
backtrace, it looks like osgsqrt<float> (OSGBaseFunctions.inl, Line 65)
is calling itself endlessly:
[EMAIL PROTECTED]:/usr/src/OpenSG-pre1.8-2006.348/Tutorials$ gdb
./13ClusterClient
GNU gdb 6.4.90-debian
Copyright (C) 2006 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 "i486-linux-gnu"...Using host libthread_db
library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) run -m -fData/tie.wrl test1
Starting program:
/usr/src/OpenSG-pre1.8-2006.348/Tutorials/13ClusterClient -m
-fData/tie.wrl test1
[Thread debugging using libthread_db enabled]
[New Thread -1241040384 (LWP 4388)]
Add Trav for : Use
(...)
Add Trav for : Appearance
Connection type set to Multicast
XXXX : 69 297
Visit Group : (null)
(...)
Visit Material : (null)
test1
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1241040384 (LWP 4388)]
0xb6954c5e in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
65 return osgsqrt(RealType(rValue));
(gdb) backtrace
#0 0xb6954c5e in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#1 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#2 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#3 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#4 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#5 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#6 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#7 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#8 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#9 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#10 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
at
/usr/src/OpenSG-pre1.8-2006.348/Source/Base/Base/OSGBaseFunctions.inl:65
#11 0xb6954c63 in osg::osgsqrt<float> (rValue=1)
---Type <return> to continue, or q <return> to quit---
I pressed return a while and stopped at ~30000.
This error is reproducible (as the hanging connection) on a current
Debian testing as well as on Kubuntu 6.10 (edgy). I don't understand, why
this does not segfault when using the opt versions or how osgsqrt is
related to Multicast (as StreamSock works), though, but and endless loop
could be an explanation for the hang.
Any idea what's wrong here?
Yours,
Dominik
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