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``No symbol table info available.'' (was: glibc 2.5 on GNU/Hurd with GCC


From: Thomas Schwinge
Subject: ``No symbol table info available.'' (was: glibc 2.5 on GNU/Hurd with GCC 4.1: `EXC_BAD_ACCESS' in glibc nss code)
Date: Fri, 27 Apr 2007 13:06:57 +0200
User-agent: Mutt/1.5.11

Hello!

On Fri, Apr 27, 2007 at 01:04:35PM +0200, Thomas Schwinge wrote:
> I built Debian glibc 2.5-4 on GNU/Hurd using GCC 4.1 instead of 4.0,
> having applied a few patches I crafted already some time ago.

#v+
$ sudo gdb /hurd/password 328
GNU gdb 6.5-debian
[...]
Attaching to program `/hurd/password', pid 328
Reading symbols from /lib/libhurdbugaddr.so.0.3...Reading symbols from 
/usr/lib/debug/lib/libhurdbugaddr.so.0.3...done.
done.
Loaded symbols for /lib/libhurdbugaddr.so.0.3
[...]
Reading symbols from /lib/libcrypt.so.1...Reading symbols from 
/usr/lib/debug/lib/libcrypt-2.5.so...done.
done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libc.so.0.3...Reading symbols from 
/usr/lib/debug/lib/libc-2.5.so...done.
done.
Loaded symbols for /lib/libc.so.0.3
[...]
Reading symbols from /lib/ld.so...Reading symbols from 
/usr/lib/debug/lib/ld-2.5.so...done.
done.
Loaded symbols for /lib/ld.so
[...]
Program received signal EXC_BAD_ACCESS, Could not access memory.
[Switching to thread 328.3]
0x011408f0 in _nss_files_parse_grent () from /lib/libc.so.0.3
(gdb) bt full
#0  0x011408f0 in _nss_files_parse_grent () from /lib/libc.so.0.3
No symbol table info available.
#1  0x0002983a in _nss_compat_initgroups_dyn () from /lib/libnss_compat.so.2
No symbol table info available.
#2  0x0113f501 in internal_getgrouplist () from /lib/libc.so.0.3
No symbol table info available.
#3  0x0113f799 in getgrouplist () from /lib/libc.so.0.3
No symbol table info available.
#4  0x01055e60 in idvec_merge_implied_gids (gids=0x128bd00, uids=0x128bcf4)
    at 
/var/tmp/hurd-io+stat+fatfs/hurd-20060825/build-tree/hurd/libshouldbeinlibc/idvec-impgids.c:62
        this_err = EINVAL
        i = 0
        err = 0
[...]
#v-

Why is ``no symbol table info available'' for the glibc parts?  How to
get that working?  I have the `-dbg' package installed.


Regards,
 Thomas

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