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Re: (ITS#4389) Segfault on backsql_open_db_conn()
On Sun, 2006-02-05 at 22:14 +0000, bigsmoke@gmail.com wrote:
> (gdb) bt
> #0 0x403d1869 in malloc_trim () from /lib/libc.so.6
> #1 0x403d1d51 in free () from /lib/libc.so.6
> #2 0x0820ac34 in SQLGetInfo_Internal ()
> #3 0x0820b5ec in SQLGetInfo ()
> #4 0x080fe3ba in backsql_get_db_conn (op=0xbffffa38, dbh=0xbffffc18) at
> sql-wrap.c:384
> #5 0x080f3e32 in backsql_db_open (bd=0x82ea6a8) at init.c:477
> #6 0x0808c86e in backend_startup_one (be=0x82ea6a8) at backend.c:212
> #7 0x0808cb73 in backend_startup (be=0x82ea6a8) at backend.c:301
> #8 0x080714e7 in main (argc=3, argv=0xbffffd64) at main.c:791
> (gdb) bt full
> #0 0x403d1869 in malloc_trim () from /lib/libc.so.6
> No symbol table info available.
> #1 0x403d1d51 in free () from /lib/libc.so.6
> No symbol table info available.
> #2 0x0820ac34 in SQLGetInfo_Internal ()
> No symbol table info available.
> #3 0x0820b5ec in SQLGetInfo ()
> No symbol table info available.
> #4 0x080fe3ba in backsql_get_db_conn (op=0xbffffa38, dbh=0xbffffc18) at
> sql-wrap.c:384
> bi = (backsql_info *) 0x82ea7b0
> dbc = (backsql_db_conn *) 0x832ddf0
> tmp = {ldap_cid = 4294967295, dbh = 0x0}
> rc = Variable "rc" is not available.
The error appears to be inside the ODBC library; since it works with
other implementations (unixODBC), there might be a bug in the ODBC
library, or there might be a misuse of the ODBC library in back-sql that
does not result in an error with unixODBC. In any case, to debug this I
fear we need to look at details of the ODBC driver, which is compiled
without symbols and thus is not going to help us.
Can you try with unixODBC? Note that unixODBC up to 2.2.11 has an
annoying leak in the PostgreSQL driver (I didn't check other drivers);
the bug is now fixed in the CVS on sourceforge.
p.
p.
Ing. Pierangelo Masarati
Responsabile Open Solution
OpenLDAP Core Team
SysNet s.n.c.
Via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
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Office: +39.02.23998309
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