Thanks for quick reply. Getting crash at different places during each new stress run. Following is gdb trace showing crash starting from ldap_search_ext_s(). Actual crash taking place in libldap-2.3.so.0.
#0 0xf779f430 in __kernel_vsyscall () #1 0x007d2d11 in raise () from /lib/libc.so.6 #2 0x007d45ea in abort () from /lib/libc.so.6 #3 0x00810b9d in __libc_message () from /lib/libc.so.6 #4 0x0089ffed in __fortify_fail () from /lib/libc.so.6 #5 0x0089e01a in __chk_fail () from /lib/libc.so.6 #6 0x004ce2d7 in ber_get_next () from /home/alepo/rbsisp/liblber-2.3.so.0 #7 0x02a9eb22 in ?? () from /home/alepo/rbsisp/libldap-2.3.so.0 #8 0x02aa0065 in ldap_result () from /home/alepo/rbsisp/libldap-2.3.so.0 #9 0x02aa1aa2 in ldap_search_ext_s () from /home/alepo/rbsisp/libldap-2.3.so.0 #10 0xf67e6acc in uldap_cache_checkuserid (r=0xe26195c8, ldc=0x98cefb0, On Thu, May 16, 2013 at 5:53 PM, Eric Covener <cove...@gmail.com> wrote: > On Thu, May 16, 2013 at 8:18 AM, Mangesh Sawant <m.v.saw...@gmail.com> > wrote: > > Yes, there are 20 threads sending auth request. > > I mean in the server. The one you posted doesn't look like it crashed. > > > > > > On Thu, May 16, 2013 at 5:37 PM, Eric Covener <cove...@gmail.com> wrote: > >> > >> Is this prefork, or are there other threads? > >> > >> On Thu, May 16, 2013 at 6:55 AM, Mangesh Sawant <m.v.saw...@gmail.com> > >> wrote: > >> > Hi, > >> > > >> > stressing mod_ldap.so for 500 users with 100 TPS. > >> > Only during stress I can see crash. > >> > Following is the stack stress. > >> > > >> > #0 0x02a9db03 in ldap_int_open_connection () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #1 0x02ab17e6 in ldap_new_connection () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #2 0x02a9dab1 in ldap_open_defconn () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #3 0x02ab21f8 in ldap_send_initial_request () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #4 0x02aa7318 in ldap_sasl_bind () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #5 0x02aa75ea in ldap_sasl_bind_s () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #6 0x02aa77ad in ldap_simple_bind_s () from > >> > /home/alepo/rbsisp/libldap-2.3.so.0 > >> > #7 0xf67b079e in uldap_connection_open (r=0xe2105a10, ldc=0x9dd6830) > >> > #8 0xf67b19c0 in uldap_cache_checkuserid (r=0xe2105a10, > ldc=0x9dd6830, > >> > > >> > Crash happens after 10 users are processed. > >> > > >> > -- > >> > Thanks And Regards , > >> > Mangesh Sawant . > >> > >> > >> > >> -- > >> Eric Covener > >> cove...@gmail.com > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > >> For additional commands, e-mail: users-h...@httpd.apache.org > >> > > > > > > > > -- > > Thanks And Regards , > > Mangesh Sawant . > > > > -- > Eric Covener > cove...@gmail.com > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@httpd.apache.org > For additional commands, e-mail: users-h...@httpd.apache.org > > -- Thanks And Regards , Mangesh Sawant .
