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Re: (ITS#6331) slapd freezing, not accepting further 'write' operations while 'read' operations are unaffected
- To: openldap-its@OpenLDAP.org
- Subject: Re: (ITS#6331) slapd freezing, not accepting further 'write' operations while 'read' operations are unaffected
- From: quanah@zimbra.com
- Date: Thu, 15 Oct 2009 18:13:51 GMT
- Auto-submitted: auto-generated (OpenLDAP-ITS)
--On Thursday, October 15, 2009 6:06 PM +0000 j@telepaths.org wrote:
> We are in luck. I started fresh with my two servers (deleted the data
> and repopulated).
>
> During the INITIAL sync-up on "server1" (receiving data from server2):
>
> <= index_entry_add( 225,
> "krb5PrincipalName=host/seven.relay.example.com@RELAY.EXAMPLE.COM
> ,cn=RELAY.EXAMPLE.COM,cn=gssapi,cn=auth,dc=real,dc=example,dc=com" )
> success
> => entry_encode(0x000000e1):
> <= entry_encode(0x000000e1):
> => acl_get: [2] matched
> => acl_get: [2] attr userPassword
> => match[dn0]: 0 60
> uid=plainproxy,cn=plain,cn=auth,dc=real,dc=example,dc=com
> => match[dn1]: 0 3 uid
> => match[dn2]: 4 14 plainproxy
> => acl_mask: access to entry
> "uid=plainproxy,cn=plain,cn=auth,dc=real,dc=example,dc=com", attr
> "userPassword" requested
> => acl_mask: to value by "", (=0)
> <= check a_dn_pat: self
> <= check a_dn_pat:
> uid=plainchange,cn=plain,cn=auth,dc=real,dc=example,dc=com
> <= check a_dn_pat:
> uid=plainmodify,cn=plain,cn=auth,dc=real,dc=example,dc=com
> <= check a_dn_pat: anonymous
> <= acl_mask: [4] applying auth(=xd) (stop)
> <= acl_mask: [4] mask: auth(=xd)
> => slap_access_allowed: auth access granted by auth(=xd)
> => access_allowed: auth access granted by auth(=xd)
> conn=1 op=1 BIND
> dn="uid=plainproxy,cn=plain,cn=auth,dc=real,dc=example,dc=com"
> mech=SIMPLE ssf=0
> do_bind: v3 bind:
> "uid=plainproxy,cn=plain,cn=auth,dc=real,dc=example,dc=com" to
> "uid=plainproxy,cn=plain,cn=auth,dc=real,dc=example,dc=com"
> send_ldap_result: conn=1 op=1 p=3
> send_ldap_result: err=0 matched="" text=""
> send_ldap_response: msgid=2 tag=97 err=0
> ber_flush2: 22 bytes to sd 33
> 0000: 30 84 00 00 00 10 02 01 02 61 84 00 00 00 07 0a
> 0........a......
> 0010: 01 00 04 00 04 00 ......
> tls_write: want=101, written=101
> 0000: 17 03 02 00 60 3e 98 2a 48 b2 d9 ae 12 70 ab
> db ....`>.*H....p..
> 0010: 5e 46 c2 ef 7f c3 32 72 d4 41 ef 4d 58 07 d0 50 ^F....
> 2r.A.MX..P
> 0020: 53 a2 da 54 69 d7 1c 61 ed a7 ce 53 14 16 46 73
> S..Ti..a...S..Fs
> 0030: 91 74 c4 92 9e 35 24 84 ce 8c 6f 18 18 6a 68 0a .t...
> 5$...o..jh.
> 0040: b0 69 70 75 0d 6a 5d fa 02 38 89 e9 d7 99 c9 99 .ipu.j]..
> 8......
> 0050: bb 7b be 62 5d 50 91 2f a9 a2 6e d5 88 47 f8 ed .{.b]
> P./..n..G..
> 0060: 5e 3c a7 dd 17 ^<...
> ldap_write: want=22, written=22
> 0000: 30 84 00 00 00 10 02 01 02 61 84 00 00 00 07 0a
> 0........a......
> 0010: 01 00 04 00 04 00 ......
> daemon: activity on 1 descriptor
> daemon: activity on: 33r
> daemon: read active on 33
> daemon: epoll: listen=7 active_threads=0 tvp=zero
> daemon: epoll: listen=8 active_threads=0 tvp=zero
> daemon: epoll: listen=9 active_threads=0 tvp=zero
> daemon: epoll: listen=10 active_threads=0 tvp=zero
> daemon: epoll: listen=11 active_threads=0 tvp=zero
> connection_get(33)
> connection_get(33): got connid=1
> connection_read(33): checking for input on id=1
> ber_get_next
> tls_read: want=5, got=5
> 0000: 17 03 02 00 c0 .....
> tls_read: want=192, got=192
> 0000: 60 a2 1b 5e 6f 13 18 52 f1 86 c7 b5 ff ae ec bf
> `..^o..R........
> 0010: 7e 7f 65 19 30 c0 4a 3a 7d de 76 77 5b bf 0b dc ~.e.
> 0.J:}.vw[...
> 0020: 22 15 34 f9 5b dd 2d 8f f5 19 e3 25 0d 25 a8 b6 ".4.
> [.-....%.%..
> 0030: 07 34 75 a5 08 c6 3e c2 8e 18 58 11 ee 5d 25 7c .
> 4u...>...X..]%|
> 0040: 00 9b fb 14 a4 9c 7d c1 37 bf 92 f7 ee ef 04 94 ......}.
> 7.......
> 0050: 81 a8 98 d8 eb 5b 80 0f ce 7d 21 3c 24 fa ba ca .....
> [...}!<$...
> 0060: 3f 9a 94 ef dd 7f 47 17 e0 f2 cb 08 04 a5 25
> a3 ?.....G.......%.
> 0070: f0 3e 92 a4 75 a2 6e d3 34 1a 82 29 7b 9f b0 07 .>..u.n.
> 4..){...
> 0080: fd 4e 5f 1e 8f f2 55 33 c5 eb 5f 34 a1 f6 3d
> 0a .N_...U3.._4..=.
> 0090: c3 e7 4f 4a 77 85 a5 1e 40 f8 d4 60 8e bd 08
> 8c ..OJw...@..`....
> 00a0: 8e 87 7d 93 50 11 da c1 ea b0 e1 74 60 34 ad
> b8 ..}.P......t`4..
> 00b0: c0 9a f3 66 44 3c e5 bf 6e b1 4f 4f f8 51 18
> df ...fD<..n.OO.Q..
> ldap_read: want=8, got=8
> 0000: 30 53 02 01 03 63 4e 04 0S...cN.
> ldap_read: want=77, got=77
> 0000: 2e 63 6e 3d 70 6c 61 69 6e 2c 63 6e 3d 61 75
> 74 .cn=plain,cn=aut
> 0010: 68 2c 64 63 3d 76 65 72 69 6f 2c 64 63 3d 61 6e
> h,dc=relay,dc=ex
> 0020: 6f 6e 79 6d 69 7a 65 72 2c 64 63 3d 63 6f 6d 0a
> ample ,dc=com.
> 0030: 01 01 0a 01 00 02 01 01 02 01 00 01 01 00 a3
> 0b ................
> 0040: 04 03 75 69 64 04 04 72 6f 6f 74 30
> 00 ..uid..root0.
> ber_get_next: tag 0x30 len 83 contents:
> ber_dump: buf=0x2a0d1d0 ptr=0x2a0d1d0 end=0x2a0d223 len=83
> 0000: 02 01 03 63 4e 04 2e 63 6e 3d 70 6c 61 69 6e
> 2c ...cN..cn=plain,
> 0010: 63 6e 3d 61 75 74 68 2c 64 63 3d 76 65 72 69 6f
> cn=auth,dc=relay
> 0020: 2c 64 63 3d 61 6e 6f 6e 79 6d 69 7a 65 72 2c
> 64 ,dc=example,dc=com
> 0030: 63 3d 63 6f 6d 0a 01 01 0a 01 00 02 01 01 02 01 ...........
> 0040: 00 01 01 00 a3 0b 04 03 75 69 64 04 04 72 6f
> 6f ........uid..roo
> 0050: 74 30 00 t0.
> op tag 0x63, time 1255629604
> connection_input: conn=1 deferring operation: binding
> ber_get_next
> tls_read: want=5 error=Resource temporarily unavailable
> ldap_read: want=8, got=0
>
> daemon: activity on 1 descriptor
> daemon: activity on:
> daemon: epoll: listen=7 active_threads=0 tvp=zero
> daemon: epoll: listen=8 active_threads=0 tvp=zero
> daemon: epoll: listen=9 active_threads=0 tvp=zero
> daemon: epoll: listen=10 active_threads=0 tvp=zero
> daemon: epoll: listen=11 active_threads=0 tvp=zero
> Segmentation fault <--------- HERE IT IS
>
> Again, this was just the initial sync-up.
This is not a gdb backtrace from a core file, where slapd has debugging
symbols. This information is not really useful.
--Quanah
--
Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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