Re: set-current-module in .guile ?

["Scott N. Walck" <walck@lvc.edu>]

Hi,

Thanks for the "ulimit -c unlimited" command.

Here is the backtrace from gdb.

[walck@entangle:~]$ ulimit -c unlimited
[walck@entangle:~]$ guile
guile> (load "/usr/local/src/guile-scmutils/src/load.scm")
guile> (module-use! (current-module) generic-environment)
#f
guile> +
#<procedure g:+ args>
guile> (+ (vector 5 6) (vector 7 8))
Segmentation fault (core dumped)
[walck@entangle:~]$ ls core*
core.18853
[walck@entangle:~]$ gdb `which guile` core.18853
GNU gdb Red Hat Linux (6.3.0.0-1.122rh)
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 "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

Reading symbols from shared object read from target memory...done.
Loaded system supplied DSO at 0x915000
Core was generated by `guile'.
Program terminated with signal 11, Segmentation fault.

warning: svr4_current_sos: Can't read pathname for load map: Input/output error

Reading symbols from /usr/local/lib/libguile.so.17...done.
Loaded symbols for /usr/local/lib/libguile.so.17
Reading symbols from /usr/lib/sse2/libgmp.so.3...done.
Loaded symbols for /usr/lib/sse2/libgmp.so.3
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /usr/local/lib/libltdl.so.3...done.
Loaded symbols for /usr/local/lib/libltdl.so.3
Reading symbols from /lib/libpthread.so.0...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/local/lib/libguilereadline-v-17.so.17...done.
Loaded symbols for /usr/local/lib/libguilereadline-v-17.so.17
Reading symbols from /usr/lib/libreadline.so.5...done.
Loaded symbols for /usr/lib/libreadline.so.5
Reading symbols from /usr/lib/libncurses.so.5...done.
Loaded symbols for /usr/lib/libncurses.so.5
Reading symbols from /usr/local/lib/libguile-srfi-srfi-1-v-3.so.3...done.
Loaded symbols for /usr/local/lib/libguile-srfi-srfi-1-v-3.so.3
#0  0x00168d0c in scm_hash_fn_get_handle (table=0xb7f01560, obj=0xb7ef7190, 
    hash_fn=0x167b40 <scm_ihashq>, assoc_fn=0x1393d0 <scm_sloppy_assq>, 
    closure=0x0) at hashtab.c:415
415	{
(gdb) bt
#0  0x00168d0c in scm_hash_fn_get_handle (table=0xb7f01560, obj=0xb7ef7190, 
    hash_fn=0x167b40 <scm_ihashq>, assoc_fn=0x1393d0 <scm_sloppy_assq>, 
    closure=0x0) at hashtab.c:415
#1  0x00169d59 in scm_hash_fn_ref (table=0xb7f01560, obj=0xb7ef7190, 
    dflt=0x4, hash_fn=0x167b40 <scm_ihashq>, 
    assoc_fn=0x1393d0 <scm_sloppy_assq>, closure=0x0) at hashtab.c:500
#2  0x00169eff in scm_hashq_ref (table=0xb7f01560, key=0xb7ef7190, dflt=0x204)
    at hashtab.c:613
#3  0x0016fa78 in module_variable (module=0xb7f01590, sym=0xb7ef7190)
    at modules.c:289
#4  0x0016fae5 in module_variable (module=Variable "module" is not available.
) at modules.c:307
#5  0x0016fae5 in module_variable (module=Variable "module" is not available.
) at modules.c:307
#6  0x0016fae5 in module_variable (module=Variable "module" is not available.
) at modules.c:307

Thanks,

Scott



Ludovic Courtès writes:
 > Hi,
 > 
 > "Walck, Scott" <walck@lvc.edu> writes:
 > 
 > > I don't think it's the + function.  I get a segfault just by typing
 > > (exit).  I don't get a core file, though, in either case.  Why is
 > > that?
 > 
 > You do get a core file since it says "core dumped".  Maybe it's named
 > `core.123' or something like that instead of just `core'.  Otherwise,
 > type "ulimit -c unlimited" and try again.
 > 
 > Thanks,
 > Ludovic.
 > 
 > 
 > 
 >