Re: (ITS#4659) Core dump after MOD

[quanah@stanford.edu]

--On Thursday, August 31, 2006 8:28 PM +0000 ando@sys-net.it wrote:

> quanah@stanford.edu wrote:
>> * 1 process 11385  0x00002aac5da20545 in raise () from /lib/libc.so.6
>>
>
> This seems to be where the core started (possibly as a consequence of
> throwing an assertion).  Can you backtrace that?

[Switching to thread 1 (process 11385)]#0  0x00002aac5da20545 in raise () 
from /lib/libc.so.6
(gdb) bt
#0  0x00002aac5da20545 in raise () from /lib/libc.so.6
#1  0x00002aac5da21cce in abort () from /lib/libc.so.6
#2  0x00002aac5da1a362 in __assert_fail () from /lib/libc.so.6
#3  0x0000000000427142 in connection_close (c=0x2aaaaab73530) at 
connection.c:655
#4  0x000000000042892c in connection_read_thread (ctx=0x40fff4e0, 
argv=0x68) at connection.c:1375
#5  0x00002aac5cc6b522 in ldap_int_thread_pool_wrapper (xpool=0x2c74) at 
tpool.c:478
#6  0x00002aac5cfecb55 in start_thread () from /lib/libpthread.so.0
#7  0x00002aac5dac37f0 in clone () from /lib/libc.so.6


(gdb) frame 3
#3  0x0000000000427142 in connection_close (c=0x2aaaaab73530) at 
connection.c:655

655             assert( c->c_writewaiter == 0);
(gdb) l
650             assert( connections != NULL );
651             assert( c != NULL );
652             assert( c->c_struct_state != SLAP_C_UNUSED );
653             assert( c->c_conn_state != SLAP_C_INVALID );
654             assert( LDAP_STAILQ_EMPTY(&c->c_ops) );
655             assert( c->c_writewaiter == 0);
656
657             /* only for stats (print -1 as "%lu" may give unexpected 
results ;) */
658             connid = c->c_connid;
659             close_reason = c->c_close_reason;


(gdb) frame 4
#4  0x000000000042892c in connection_read_thread (ctx=0x40fff4e0, 
argv=0x68) at connection.c:1375
1375                            connection_close( c );
(gdb) l
1370                                    "error=%d id=%lu, closing\n",
1371                                    s, rc, c->c_connid );
1372
1373                            /* c_mutex is locked */
1374                            connection_closing( c, "SASL layer install 
failure" );
1375                            connection_close( c );
1376                            connection_return( c );
1377                            return 0;
1378                    }
1379            }


(gdb) frame 5
#5  0x00002aac5cc6b522 in ldap_int_thread_pool_wrapper (xpool=0x2c74) at 
tpool.c:478
478                     ctx->ltc_start_routine(ltc_key, ctx->ltc_arg);
(gdb) l
473
474                     LDAP_SLIST_INSERT_HEAD(&pool->ltp_active_list, ctx, 
ltc_next.al);
475                     pool->ltp_active_count++;
476                     ldap_pvt_thread_mutex_unlock(&pool->ltp_mutex);
477
478                     ctx->ltc_start_routine(ltc_key, ctx->ltc_arg);
479
480                     ldap_pvt_thread_mutex_lock(&pool->ltp_mutex);
481                     LDAP_SLIST_REMOVE(&pool->ltp_active_list, ctx,
482                             ldap_int_thread_ctx_s, ltc_next.al);




--Quanah



--
Quanah Gibson-Mount
Principal Software Developer
ITS/Shared Application Services
Stanford University
GnuPG Public Key: http://www.stanford.edu/~quanah/pgp.html