[ROOT] /usr/bin/c++filt: unknown demangling style `gnu-v3'

From: Damien PRIEUR (prieur@lapp.in2p3.fr)
Date: Fri Aug 01 2003 - 16:58:35 MEST


Hi,

I am currently using Root 3.05.05 on linux redhat 7.3, located at Cern
under /afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/

I launch root and execute a simple macros(see attachment) which basicaly
open few files, get some tree and draw few histograms:

>.x ana_NRJ_sw.C

and then I get:

> *** Break *** segmentation violation
> Generating stack trace...
>/usr/bin/c++filt: unknown demangling style `gnu-v3'

when I launch root with gdb and then backtrace it, I get:

Program received signal SIGSEGV, Segmentation fault.
0x40608314 in G__ST_p0_pointer () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
(gdb) bt
#0  0x40608314 in G__ST_p0_pointer () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#1  0x40603396 in G__exec_asm () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#2  0x405f65bb in G__exec_loop () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#3  0x405f6a29 in G__exec_for () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#4  0x405f8f34 in G__exec_statement () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#5  0x40587dca in G__exec_tempfile_core () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#6  0x4058803f in G__exec_tempfile () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#7  0x40601629 in G__process_cmd () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCint.so
#8  0x4015832e in TCint::ProcessLine(char const*,
TInterpreter::EErrorCode*) ()
   from /afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#9  0x40158431 in TCint::ProcessLineSynch(char const*,
TInterpreter::EErrorCode*) ()
   from /afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#10 0x400da044 in TApplication::ProcessFile(char const*, int*) () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#11 0x400d97de in TApplication::ProcessLine(char const*, bool, int*) ()
   from /afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#12 0x40d8af4e in TRint::HandleTermInput() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libRint.so
#13 0x40d89d35 in TTermInputHandler::Notify() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libRint.so
#14 0x40d8b772 in TTermInputHandler::ReadNotify() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libRint.so
#15 0x401adc2d in TUnixSystem::CheckDescriptors() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#16 0x401ad30a in TUnixSystem::DispatchOneEvent(bool) () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#17 0x40128a2f in TSystem::InnerLoop() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#18 0x401289bd in TSystem::Run() () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#19 0x400da24e in TApplication::Run(bool) () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libCore.so
#20 0x40d8aadb in TRint::Run(bool) () from
/afs/cern.ch/sw/root/v3.05.05/rh73_gcc32/root/lib/libRint.so
#21 0x08048890 in main ()
#22 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6

Does anybody know the meaning of this error message:
'/usr/bin/c++filt: unknown demangling style `gnu-v3''
and how to get rid of it ? 
Or is it my macro which is not correct and lead to this crash ?

Thanks in advance,
Damien Prieur.





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