(gdb) attach 18639
Attaching to process 18639
Reading symbols from /usr/local/samba/sbin/smbd...done.
Reading symbols from /usr/kerberos/lib/libcom_err.so.3...done.
Loaded symbols for /usr/kerberos/lib/libcom_err.so.3
Reading symbols from /usr/kerberos/lib/libk5crypto.so.3...done.
Loaded symbols for /usr/kerberos/lib/libk5crypto.so.3
Reading symbols from /lib/libcrypto.so.2...done.
Loaded symbols for /lib/libcrypto.so.2
Reading symbols from /usr/kerberos/lib/libkrb5.so.3...done.
Loaded symbols for /usr/kerberos/lib/libkrb5.so.3
Reading symbols from /usr/kerberos/lib/libgssapi_krb5.so.2...done.
Loaded symbols for /usr/kerberos/lib/libgssapi_krb5.so.2
Reading symbols from /usr/lib/liblber.so.2...done.
Loaded symbols for /usr/lib/liblber.so.2
Reading symbols from /usr/lib/libldap.so.2...done.
Loaded symbols for /usr/lib/libldap.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libattr.so.1...done.
Loaded symbols for /lib/libattr.so.1
Reading symbols from /lib/libacl.so.1...done.
Loaded symbols for /lib/libacl.so.1
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libpopt.so.0...done.
Loaded symbols for /usr/lib/libpopt.so.0
Reading symbols from /lib/i686/libc.so.6...done.
Loaded symbols for /lib/i686/libc.so.6
Reading symbols from /usr/lib/libsasl.so.7...done.
Loaded symbols for /usr/lib/libsasl.so.7
Reading symbols from /lib/libssl.so.2...done.
Loaded symbols for /lib/libssl.so.2
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/libgdbm.so.2...done.
Loaded symbols for /usr/lib/libgdbm.so.2
Reading symbols from /lib/libpam.so.0...done.
Loaded symbols for /lib/libpam.so.0
Reading symbols from /usr/lib/gconv/ISO8859-15.so...done.
Loaded symbols for /usr/lib/gconv/ISO8859-15.so
Reading symbols from /usr/lib/gconv/ISO8859-1.so...done.
Loaded symbols for /usr/lib/gconv/ISO8859-1.so
Reading symbols from /usr/lib/gconv/IBM850.so...done.
Loaded symbols for /usr/lib/gconv/IBM850.so
Reading symbols from /usr/lib/sasl/libanonymous.so...done.
Loaded symbols for /usr/lib/sasl/libanonymous.so
Reading symbols from /usr/lib/sasl/libcrammd5.so...done.
Loaded symbols for /usr/lib/sasl/libcrammd5.so
Reading symbols from /usr/lib/sasl/libdigestmd5.so...done.
Loaded symbols for /usr/lib/sasl/libdigestmd5.so
Reading symbols from /usr/kerberos/lib/libdes425.so.3...done.
Loaded symbols for /usr/kerberos/lib/libdes425.so.3
Reading symbols from /usr/lib/sasl/liblogin.so...done.
Loaded symbols for /usr/lib/sasl/liblogin.so
Reading symbols from /usr/lib/sasl/libplain.so...done.
Loaded symbols for /usr/lib/sasl/libplain.so
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
Reading symbols from /lib/libnss_nisplus.so.2...done.
Loaded symbols for /lib/libnss_nisplus.so.2
Reading symbols from /lib/libnss_ldap.so.2...done.
Loaded symbols for /lib/libnss_ldap.so.2
0x420ae169 in wait4 () from /lib/i686/libc.so.6