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(ITS#5586) SLAPD crashing with SIGABRT in connction.c on Solaris
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
-----------------------------
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.