Full_Name: Duncan Brannen Version: 2.4.10 OS: Solaris 10 URL: http://www.st-andrews.ac.uk/openldapconf.tar Submission from: (NULL) (138.251.61.69)

Slapd is crashing on a daily basis,

robin 91 logs % /usr/local/SUNWspro/bin/dbx /usr/local/libexec/slapd ./slapd.core.01-07-08 For information about new features see `help changes' To remove this message, put `dbxenv suppress_startup_message 7.6' in your .dbxrc Reading slapd core file header read successfully Reading ld.so.1 Reading libldap_r-2.4.so.2.0.6 Reading liblber-2.4.so.2.0.6 Reading libltdl.so.3.1.5 Reading libdb-4.2.so Reading libicuuc.so.3 Reading libicudata.so.3 Reading libsasl2.so.2.0.22 Reading libdl.so.1 Reading libssl.so.0.9.8 Reading libcrypto.so.0.9.8 Reading libresolv.so.2 Reading libgen.so.1 Reading libnsl.so.1 Reading libsocket.so.1 Reading libc.so.1 Reading libgcc_s.so.1 Reading libgcc_s.so.1 Reading libpthread.so.1 Reading libm.so.2 Reading libCrun.so.1 Reading libc_psr.so.1 t@2 (l@2) terminated by signal ABRT (Abort) 0xfe2c0f90: __lwp_kill+0x0008: bcc,a,pt %icc,__lwp_kill+0x18 ! 0xfe2c0fa0 Current function is connection_next 871 assert( connections[*index].c_conn_state == SLAP_C_INVALID ); (dbx) threads t@1 a l@1 ?() LWP suspended in __lwp_wait() o> t@2 a l@2 slapd_daemon_task() signal SIGABRT in __lwp_kill() t@3 a l@3 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@4 a l@4 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@5 a l@5 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@6 a l@6 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@7 a l@7 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@8 a l@8 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@9 a l@9 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@10 a l@10 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@11 a l@11 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@12 a l@12 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@13 a l@13 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@14 a l@14 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@15 a l@15 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@16 a l@16 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@17 a l@17 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@18 a l@18 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park()

(dbx) thread t@2 t@2 (l@2) stopped in __lwp_kill at 0xfe2c0f90 0xfe2c0f90: __lwp_kill+0x0008: bcc,a,pt %icc,__lwp_kill+0x18 ! 0xfe2c0fa0

(dbx) where current thread: t@2 [1] __lwp_kill(0x0, 0x6, 0x0, 0x6, 0xfc00, 0x0), at 0xfe2c0f90 [2] raise(0x6, 0x0, 0xfe2a4a98, 0xffffffff, 0xfe2e8284, 0x6), at 0xfe25fd78 [3] abort(0xfdfff3f0, 0x1, 0xfe2e9288, 0xa83f0, 0xfe2eb298, 0x0), at 0xfe23ff98 [4] __assert(0x1a1390, 0x1a13c4, 0x367, 0x0, 0xa810c, 0x1d7708), at 0xfe2401d4

=>[5] connection_next(c = (nil), index = 0xfdfff6d4), line 871 in "connection.c" [6] connections_timeout_idle(now = 1214890154), line 225 in "connection.c" [7] slapd_daemon_task(ptr = (nil)), line 2152 in "daemon.c"

(dbx) print *c dbx: reference through nil pointer

-------------------------------

From another core

t@2 (l@2) terminated by signal ABRT (Abort) 0xfe2c0f90: __lwp_kill+0x0008: bcc,a,pt %icc,__lwp_kill+0x18 ! 0xfe2c0fa0 Current function is connection_next 871 assert( connections[*index].c_conn_state == SLAP_C_INVALID ); (dbx) threads t@1 a l@1 ?() LWP suspended in __lwp_wait() o> t@2 a l@2 slapd_daemon_task() signal SIGABRT in __lwp_kill() t@3 a l@3 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@4 a l@4 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@5 a l@5 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@6 a l@6 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() t@7 a l@7 ldap_int_thread_pool_wrapper() sleep on 0x2580f8 in __lwp_park() (dbx) thread t@2 t@2 (l@2) stopped in __lwp_kill at 0xfe2c0f90 0xfe2c0f90: __lwp_kill+0x0008: bcc,a,pt %icc,__lwp_kill+0x18 ! 0xfe2c0fa0 (dbx) where current thread: t@2 [1] __lwp_kill(0x0, 0x6, 0x0, 0x6, 0xfc00, 0x0), at 0xfe2c0f90 [2] raise(0x6, 0x0, 0xfe2a4a98, 0xffffffff, 0xfe2e8284, 0x6), at 0xfe25fd78 [3] abort(0xfdfff3f0, 0x1, 0xfe2e9288, 0xa83f0, 0xfe2eb298, 0x0), at 0xfe23ff98 [4] __assert(0x1a1390, 0x1a13c4, 0x367, 0x0, 0xa810c, 0x1d7708), at 0xfe2401d4

=>[5] connection_next(c = (nil), index = 0xfdfff6d4), line 871 in "connection.c" [6] connections_timeout_idle(now = 1214582536), line 225 in "connection.c" [7] slapd_daemon_task(ptr = (nil)), line 2152 in "daemon.c" (dbx) print *c dbx: reference through nil pointer

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I've not been able to reproduce reliably, but it's only affecting the servers queried by our mailhosts doing this kind of search.

Jul 1 11:13:10 robin slapd[13561]: [ID 469902 local4.debug] conn=21586 op=8 SRCH base="dc=st-andrews,dc=ac,dc=uk" scope=2 deref=0 filter="(&(uid=@st-andrews.ac.uk)(objectClass=posixAccount))"

I'll copy the config files to the url http://www.st-andrews.ac.uk/openldapconf.tar for information.