Here is the info from my bt:
(gdb) run -MDBI -e 'my $dbh = DBI->connect("dbi:ODBC:mysql1", "root" );'
Starting program: /usr/bin/perl -MDBI -e 'my $dbh =
DBI->connect("dbi:ODBC:mysql1", "root" );'
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)..
.(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...[Thread debugging using libth
read_db enabled]
[New Thread -1208035648 (LWP 13126)]
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208035648 (LWP 13126)]
0x00267115 in my_SQLFreeConnect () from /usr/lib/libmyodbc3.so
(gdb) bt
#0 0x00267115 in my_SQLFreeConnect () from /usr/lib/libmyodbc3.so
#1 0x002673e9 in SQLFreeHandle () from /usr/lib/libmyodbc3.so
#2 0x002370a6 in odbc_db_disconnect (dbh=0x843bd7c,
imp_dbh=0x8597188) at dbdimp.c:845
#3 0x0022d3ec in XS_DBD__ODBC__db_DESTROY (my_perl=0x843b008,
cv=0x84f93b8) at ODBC.xsi:352
#4 0x00c497a2 in XS_DBI_dispatch () from
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/auto/DBI/DBI.so
#5 0x07ec79d2 in Perl_pp_entersub () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#6 0x07e55b09 in Perl_get_cv () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#7 0x07e5be67 in Perl_call_sv () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#8 0x07ecabe7 in Perl_sv_clear () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#9 0x07ecb4d4 in Perl_sv_free () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#10 0x07ecaf14 in Perl_sv_clear () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#11 0x07ecb4d4 in Perl_sv_free () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#12 0x07eb1a75 in Perl_mg_free () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#13 0x07ecb07e in Perl_sv_clear () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#14 0x07ecb4d4 in Perl_sv_free () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#15 0x07ecaf14 in Perl_sv_clear () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#16 0x07ecb4d4 in Perl_sv_free () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#17 0x07ef089c in Perl_free_tmps () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#18 0x07e5cc9d in perl_run () from
/usr/lib/perl5/5.8.5/i386-linux-thread-multi/CORE/libperl.so
#19 0x080493a2 in main ()
(gdb)
Here is the info from ODBC tracing.
[ODBC][13126][__handles.c][421]
Exit:[SQL_SUCCESS]
Environment = 0x859a550
[ODBC][13126][SQLSetEnvAttr.c][182]
Entry:
Environment = 0x859a550
Attribute = SQL_ATTR_ODBC_VERSION
Value = 0x3
StrLen = -6
[ODBC][13126][SQLSetEnvAttr.c][349]
Exit:[SQL_SUCCESS]
[ODBC][13126][SQLAllocHandle.c][345]
Entry:
Handle Type = 2
Input Handle = 0x859a550
[ODBC][13126][SQLAllocHandle.c][463]
Exit:[SQL_SUCCESS]
Output Handle = 0x859aae0
[ODBC][13126][SQLDriverConnect.c][666]
Entry:
Connection = 0x859aae0
Window Hdl = (nil)
Str In = [mysql1][length = 6]
Str Out = 0xbfe42480
Str Out Max = 2048
Str Out Ptr = 0xbfe4247e
Completion = 0
[ODBC][13126][SQLDriverConnect.c][998]Error: IM002
[ODBC][13126][SQLError.c][424]
Entry:
Connection = 0x859aae0
SQLState = 0xbfe42410
Native = 0xbfe42208
Message Text = 0xbfe42210
Buffer Length = 511
Text Len Ptr = 0xbfe4220e
[ODBC][13126][SQLError.c][461]
Exit:[SQL_SUCCESS]
SQLState = IM002
Native = 0xbfe42208 -> 0
Message Text = [[unixODBC][Driver Manager]Data
source name not found, and no default driver specified]
[ODBC][13126][SQLError.c][424]
Entry:
Connection = 0x859aae0
SQLState = 0xbfe42410
Native = 0xbfe42208
Message Text = 0xbfe42210
Buffer Length = 511
Text Len Ptr = 0xbfe4220e
[ODBC][13126][SQLError.c][461]
Exit:[SQL_NO_DATA]
[ODBC][13126][SQLConnect.c][3494]
Entry:
Connection = 0x859aae0
Server Name = [mysql1][length = 6]
User Name = [root][length = 4]
Authentication = [][length = 0]
UNICODE Using encoding ASCII 'ISO8859-1' and UNICODE 'UCS-2LE'
[ODBC][13126][SQLConnect.c][4068]
Exit:[SQL_SUCCESS]
On 5/18/05, Martin J. Evans <[EMAIL PROTECTED]> wrote:
> Stephen,
>
> The problem as you described it certainly looked like the issue with code
> compiled with -pthread and without but given your results perhaps not. At
> Easysoft, we see this issue of mixed apps/drivers/unixODBC fairly requently on
> Linux but DontDLClose nearly always sorts it out.
>
> There are two things you can do:
>
> 1. turn unixODBC tracing on to see what is happening. You do that by adding:
>
> [ODBC]
> TraceFile = /tmp/sql.log
> Trace = Yes
>
> to your odbcinst.ini file.
>
> 2. Run a simple Perl script connecting under gdb to see where it fails:
>
> gdb /usr/bin/perl (or wherever your Perl is)
> run -MDBI -e 'my $dbh = DBI->connect("dbi:ODBC:xxx", "user", "pass");'
>
> When it crashes enter bt for a back trace.
>
> Of course to do this you'd need to install DBI and DBD::ODBC or look at the
> make test to see how to run when DBD::ODBC is not installed.
>
> Martin
> --
> Martin J. Evans
> Easysoft Ltd, UK
> Development
>
>
> On 17-May-2005 Stephen More wrote:
> >> You are probably getting this because you have mixed Perl, unixODBC, MySQL
> >> where some were built with -pthread and some were not.
> >
> > Can this be proven with ldd ? It looks like all are linked with
> > libpthread.so.0
> >
> > $ ldd /usr/bin/perl | grep -i pthread
> > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00a65000)
> > $ ldd /usr/lib/libodbc.so.1.0.0 | grep -i thread
> > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00a65000)
> > $ ldd /usr/lib/libmyodbc3.so | grep -i pthread
> > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00dd3000)
> > $ ldd /opt/ibm/iSeriesAccess/lib/libcwbodbc.so | grep -i pthread
> > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x005f4000)
> > $ ldd
> > /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/auto/DBD/ODBC/ODBC.so
> >| grep -i pthread
> > libpthread.so.0 => /lib/tls/libpthread.so.0 (0x00c27000)
> >
> >
> >>What seems to happen is
> >> that some internal structure used by dlopen/dlclose is different when built
> >> threaded or not (on some Linuxes/glibcs).
> >>
> >> Try adding DontDLClose = 1 to the driver entry in odbcinst.ini.
> >
> > This did not seem to help.
> >
> >> Try rebuilding unixODBC and MySQL with -pthread to make them all the same.
> >
> > I'll give that a shot.
> >
> > -Steve More
> >
> >>
> >> On 16-May-2005 Stephen More wrote:
> >> > I have compiled DBD-ODBC-1.13 on RedHat Enterprise Linux 4.
> >> >
> >> > Failed 2/9 test scripts, 77.78% okay. 6/137 subtests failed, 95.62% okay.
> >> > Good enough for me so I installed it.
> >> >
> >> > I am using unixODBC-2.2.9-. connecting with isql is fine:
> >> > $isql mysql1 root
> >> >
> >> > Yet a simple perl script:
> >> > #!/usr/bin/perl -w
> >> >
> >> > use strict;
> >> > use DBD::ODBC;
> >> > DBI->trace( 1000 );
> >> > my( $dbh ) = DBI->connect( "dbi:ODBC:mysql1", "root" );
> >> >
> >> > creates a Segmentation fault...
> >> >
> >> > $ ./odbc.pl
> >> > DBI 1.40-ithread dispatch trace level set to 1000 (in pid 9488)
> >> > -> DBI->connect(dbi:ODBC:mysql1, root, ****)
> >> > -> DBI->install_driver(ODBC) for linux perl=5.008005 pid=9488
> >> > ruid=501 euid=501
> >> > install_driver: DBD::ODBC version 1.13 loaded from
> >> > /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/DBD/ODBC.pm
> >> > New DBI::dr (for DBD::ODBC::dr, parent=, id=)
> >> > dbih_setup_handle(DBI::dr=HASH(0x8d95808)=>DBI::dr=HASH(0x8df7e78),
> >> > DBD::ODBC::dr, 0, Null!)
> >> > dbih_make_com(Null!, 0, DBD::ODBC::dr, 92, 0) thr#8c99008
> >> > dbih_setup_attrib(DBI::dr=HASH(0x8df7e78), Err, Null!)
> >> > SCALAR(0x8cb4a14) (already defined)
> >> > dbih_setup_attrib(DBI::dr=HASH(0x8df7e78), State, Null!)
> >> > SCALAR(0x8cba338) (already defined)
> >> > dbih_setup_attrib(DBI::dr=HASH(0x8df7e78), Errstr, Null!)
> >> > SCALAR(0x8cba314) (already defined)
> >> > dbih_setup_attrib(DBI::dr=HASH(0x8df7e78), TraceLevel, Null!) 0
> >> > (already defined)
> >> > dbih_setup_attrib(DBI::dr=HASH(0x8df7e78), FetchHashKeyName,
> >> > Null!) 'NAME' (already defined)
> >> > <- install_driver= DBI::dr=HASH(0x8d95808)
> >> > >> default_user DISPATCH (DBI::dr=HASH(0x8d95808) rc1/3 @4 g1 ima1
> >> > pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm
> >> > line 572 via ./odbc2.pl line 9
> >> > -> default_user in DBD::_::dr for DBD::ODBC::dr
> >> > (DBI::dr=HASH(0x8d95808)~0x8df7e78 'root' undef HASH(0x8d610a0))
> >> > thr#8c99008
> >> > <- default_user= ( 'root' undef ) [2 items] at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 572 via ./odbc2.pl line 9
> >> > >> connect DISPATCH (DBI::dr=HASH(0x8d95808) rc2/3 @5 g0 ima1
> >> > pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm
> >> > line 590
> >> > -> connect for DBD::ODBC::dr (DBI::dr=HASH(0x8d95808)~0x8df7e78
> >> > 'mysql1' 'root' **** HASH(0x8df9084)) thr#8c99008
> >> > New DBI::db (for DBD::ODBC::db, parent=DBI::dr=HASH(0x8df7e78), id=)
> >> > dbih_setup_handle(DBI::db=HASH(0x8df7e3c)=>DBI::db=HASH(0x8df90d8),
> >> > DBD::ODBC::db, 8d92f38, Null!)
> >> > dbih_make_com(DBI::dr=HASH(0x8df7e78), 8df8460, DBD::ODBC::db,
> >> > 224, 0) thr#8c99008
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), Err,
> >> > DBI::dr=HASH(0x8df7e78)) SCALAR(0x8d99280) (already defined)
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), State,
> >> > DBI::dr=HASH(0x8df7e78)) SCALAR(0x8d992e0) (already defined)
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), Errstr,
> >> > DBI::dr=HASH(0x8df7e78)) SCALAR(0x8d992b0) (already defined)
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), TraceLevel,
> >> > DBI::dr=HASH(0x8df7e78)) 0 (already defined)
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), FetchHashKeyName,
> >> > DBI::dr=HASH(0x8df7e78)) 'NAME' (already defined)
> >> > dbih_setup_attrib(DBI::db=HASH(0x8df90d8), HandleError,
> >> > DBI::dr=HASH(0x8df7e78)) undef (not defined)
> >> > Driver connect 'mysql1', 'root', 'xxxx'
> >> > SQLDriverConnect failed:
> >> > SQLConnect 'mysql1', 'root'
> >> > Connected to: MySQL
> >> > SQLGetFunctions - SQL_MoreResults supported: 1
> >> > <- connect= DBI::db=HASH(0x8df7e3c) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 590
> >> > >> STORE DISPATCH (DBI::db=HASH(0x8df90d8) rc2/1 @3 g0
> >> > ima41c pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 633
> >> > -> STORE for DBD::ODBC::db (DBI::db=HASH(0x8df90d8)~INNER
> >> > 'PrintError' 1) thr#8c99008
> >> > DBD::ODBC unsupported attribute passed (PrintError)
> >> > STORE DBI::db=HASH(0x8df90d8) 'PrintError' => 1
> >> > <- STORE= 1 at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 633
> >> > >> STORE DISPATCH (DBI::db=HASH(0x8df90d8) rc2/1 @3 g0
> >> > ima41c pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 633
> >> > -> STORE for DBD::ODBC::db (DBI::db=HASH(0x8df90d8)~INNER
> >> > 'AutoCommit' 1) thr#8c99008
> >> > <- STORE= 1 at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 633
> >> > >> STORE DISPATCH (DBI::db=HASH(0x8df90d8) rc2/1 @3 g0
> >> > ima41c pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 636
> >> > -> STORE for DBD::ODBC::db (DBI::db=HASH(0x8df90d8)~INNER
> >> > 'Username' 'root') thr#8c99008
> >> > DBD::ODBC unsupported attribute passed (Username)
> >> > STORE DBI::db=HASH(0x8df90d8) 'Username' => 'root'
> >> > <- STORE= 1 at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 636
> >> > <- connect= DBI::db=HASH(0x8df7e3c)
> >> > >> STORE DISPATCH (DBI::db=HASH(0x8df90d8) rc2/1 @3 g0
> >> > ima41c pid#9488) at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 650 via ./odbc2.pl line 9
> >> > -> STORE for DBD::ODBC::db (DBI::db=HASH(0x8df90d8)~INNER
> >> > 'dbi_connect_closure' CODE(0x8df7d88)) thr#8c99008
> >> > DBD::ODBC unsupported attribute passed (dbi_connect_closure)
> >> > STORE DBI::db=HASH(0x8df90d8) 'dbi_connect_closure' =>
> >> > CODE(0x8df7d88)
> >> > <- STORE= 1 at
> >> > /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/DBI.pm line
> >> > 650 via ./odbc2.pl line 9
> >> > >> DESTROY DISPATCH (DBI::db=HASH(0x8df7e3c) rc1/1 @1 g0 ima4
> >> > pid#9488)
> >> > <> DESTROY ignored for outer handle DBI::db=HASH(0x8df7e3c) (inner
> >> > DBI::db=HASH(0x8df90d8))
> >> > >> DESTROY DISPATCH (DBI::db=HASH(0x8df90d8) rc1/1 @1 g0 ima4
> >> > pid#9488)
> >> > -> DESTROY for DBD::ODBC::db (DBI::db=HASH(0x8df90d8)~INNER)
> >> > thr#8c99008
> >> > Segmentation fault
> >> >
> >> >
> >> > What have I done wrong ?
> >> >
> >> > -Steve More
> >>
>
