[GRASS-dev] g.copy bug?

[Martin Wegmann]

On Tuesday 24 April 2007 21:04, Glynn Clements wrote:
> Martin Wegmann wrote:
> > > I can't reproduce this with a 2-day-version, which is after the recent
> > > changes involving qualified names. I tried:
> > >
> > > 	$ g.mapsets mapset=glynn
> > > 	$ g.mapsets -p
> > > 	glynn
> > > 	$ g.copy elevation.dem at PERMANENT,foo
> > > 	Copy raster <elevation.dem at PERMANENT> to current mapset as <foo>
> > > 	$ ls /opt/grass-data/spearfish57/glynn/cell_misc/foo/
> > > 	null  range
> > >
> > > There may be other factors involved; can you create a minimal location
> > > which demonstrates the issue?
> >
> > I did it with spearfish
> >
> > g.copy rast=aspect at PERMANENT,testcopy
> >
> > same error message with compilation from yesterday.
> >
> > I finished cvs update, make clean, distclean, ./configure, make, make
> > install and now I get:
> >
> > g.copy rast=aspect at PERMANENT,testcopy2
> > Copy raster <aspect at PERMANENT> to current mapset as <testcopy2>
> > Speicherzugriffsfehler
> >
> > (-> Memory access error)
> >
> > GRASS error or Linux problem? (Debian unstable)
>
> Works fine here.
>
> 	$ g.copy rast=aspect at PERMANENT,testcopy2
> 	Copy raster <aspect at PERMANENT> to current mapset as <testcopy2>
> 	$ r.info testcopy2
> 	
> +--------------------------------------------------------------------------
>--+
>
> 	 | Layer:    testcopy2                      Date: Mon Nov  5 10:55:57 2001
> 	 |    | Mapset:   glynn                          Login of Creator: neteler
> 	 |         | Location: spearfish57                                        
> 	 |              | DataBase: /opt/grass-data                               
> 	 |                   | Title:    aspect in degrees from east ( aspect )   
> 	 |                        | timestamp: none                               
> 	 |                             |
>
> Could you try it under gdb, e.g.:
>
> 	$ gdb g.copy
>
> 	> run rast=aspect at PERMANENT,testcopy2
>
> 	[segfault]
>
> 	> where

cvs update 1h ago
make distclean
rm -rf /usr/local/grass
./configure
make
make install

GRASS 6.3.cvs (spearfish60):~ > gdb g.copy
GNU gdb 6.6-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/i686/cmov/libthread_db.so.1".
(gdb) run rast=aspect at PERMANENT,testcopy7
Starting program: /usr/local/grass-6.3.cvs/bin/g.copy 
rast=aspect at PERMANENT,testcopy7
Failed to read a valid object file image from memory.
[Thread debugging using libthread_db enabled]
[New Thread -1225282800 (LWP 13535)]
Copy raster <aspect at PERMANENT> to current mapset as <testcopy7>

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1225282800 (LWP 13535)]
do_copy (n=0, old=0x804e7f8 "aspect", mapset=0x804e840 "PERMANENT", 
new=0x804e810 "testcopy7") at do_copy.c:40
40              for (i = 0; i < list[n].nelem; i++)


BTW how can I check that the running version is really the most recent one - 
just in case I did a mistake and I am still starting an "old" grass63-cvs 
version?

Martin