openldap-bugs August 2009

openldap-bugs@openldap.org

35 participants
225 discussions

(ITS#6276) paused pool can deadlock if writers are waiting
by hyc＠OpenLDAP.org 25 Aug '09

25 Aug '09

Full_Name: Howard Chu Version: RE24/HEAD OS: Solaris 10 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (76.91.220.157) Submitted by: hyc test050 hung on me after some number of iterations. Unfortunately I didn't save the stack traces, but basically there was one thread waiting in send_ldap_ber() on the write2 cv, and another thread in config_back_add() waiting for a pool pause to succeed. netstat showed that no connections had queued data, so there should have been no reason … [View More]

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Re: (ITS#6274) nssov: makefile suffix rules too greedy
by hyc＠symas.com 25 Aug '09

25 Aug '09

jonathan(a)phillipoux.net wrote: > Full_Name: Jonathan Clarke > Version: RE24 > OS: Linux > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (82.67.204.30) > > > When running "make" in the nssov module from contrib/slapd-modules, I get this: > 8<------------------- > [...]/contrib/slapd-modules/nssov$ make > ../../../libtool --mode=compile gcc -g -O2 -I../../../include > -I../../../include -I../../../servers/slapd -Inss-ldapd -c alias.c … [View More]

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(ITS#6275) syncrepl taking long(not sync) when consumer not connect for a moment
by rlvcosta＠yahoo.com 25 Aug '09

25 Aug '09

Full_Name: Rodrigo Luiz Vargas Costa Version: 2.4.17 OS: CentOS release 5.2 (Final) URL: ftp://ftp.openldap.org/incoming/<TBD> Submission from: (NULL) (135.245.8.5) Openldap developers, I have being exchange some information at openldap lists where looks like some improvements are being done in replication for release 2.4.18. The architecture I'm running has 2 machines in MirrorMode in the same subnet(at the same switch). These systems are part of a HA system sharing a VIP and where … [View More]both machines have slapd running simultaneously(bind to any local interface) and only VIP is exchanged for HA purposes. The issue I'm facing is related, in a general user view, is when I stop the secondary Provider2(master 2) for backup purposes using slapcat. The Provider1(master 1) continues to provide ldap service where some entrances can be created during the time backup is running(no consumer from Provider 2). Even a small number of entrances are different when consumer in Provider 2 connects to Provider 1 then syncrepl enters in the full DB search as expected. For definition purposes I have some memory limitations where I need to limit dncachesize for around 80% of DB entrances. >From a user perspective I see that after cache is filled system enters in some state where synchronization doesn't happen anymore. For full reference(config, gdb, etc), please see file attached in FTP. Then I see 2 issues : 1)Consumer from Provider2, even passed days and only a small number of differences for test purpose happen(no traffic), the syncrepl never ends and there isn't replication(Provider 1 stay continuously consuming 100% CPU); 2)Even I stop the Provider2(then its consumer) I do not see any change in Provider 1 activities. The CPU continues in 100% even passed days what suggest some hang in the thread or logic. I compiled openldap with GDB symbols and then execute some traces in the threads during the state 2 report above. Looks like it stay looping forever locked in some thread lock. I could also note that when in this situation the monitor cache, in a very slow pace, changes the cache in a single entrance. Being more specific : dn: cn=Database 1,cn=Databases,cn=Monitor structuralObjectClass: monitoredObject creatorsName: modifiersName: createTimestamp: 20090821145848Z modifyTimestamp: 20090821145848Z monitoredInfo: bdb monitorIsShadow: TRUE namingContexts: ou=CONTENT,o=domain,c=fr readOnly: FALSE monitorOverlay: syncprov olmBDBEntryCache: 19920 olmBDBDNCache: 3896287 olmBDBIDLCache: 2 olmDbDirectory: /var/openldap-data/bdb1/ entryDN: cn=Database 1,cn=Databases,cn=Monitor subschemaSubentry: cn=Subschema hasSubordinates: TRUE Stays running in the values 3896287 and 3896288. Looks like the memory re-use is being too short causing locks that takes long time causing a non synchronization. I made several GDB traces for different conditions. Please see ftp attachment file for details. Thanks, Rodrigo. PS-> I could not put the file in the openldap ftp. It says device full. Please let me know how can I send this file. [View Less]

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Re: (ITS#6257) libldap: getopt flag to return the SASL username
by michael＠stroeder.com 25 Aug '09

25 Aug '09

masarati(a)aero.polimi.it wrote: >> masarati(a)aero.polimi.it wrote: > >> I'd appreciate it very much if it would be exactly behave in the same way >> like >> all other string-valued options. > > On a somewhat related issue, I note that LDAP_OPT_X_SASL_MECHLIST returns > a pointer to an array of chars that apparently cannot be mucked with. > > Assuming my understanding is correct, I wonder if this behavior is > desirable or not, given the fact … [View More]

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(ITS#6274) nssov: makefile suffix rules too greedy
by jonathan＠phillipoux.net 25 Aug '09

25 Aug '09

Full_Name: Jonathan Clarke Version: RE24 OS: Linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (82.67.204.30) When running "make" in the nssov module from contrib/slapd-modules, I get this: 8<------------------- [...]/contrib/slapd-modules/nssov$ make ../../../libtool --mode=compile gcc -g -O2 -I../../../include -I../../../include -I../../../servers/slapd -Inss-ldapd -c alias.c nssov.h libtool: compile: cannot determine name of library object from `nssov.h' 8<---------… [View More]

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Re: (ITS#6200) slapd crashes under load w/ syncrepl
by richton＠rci.rutgers.edu 24 Aug '09

24 Aug '09

What does this look with top and/or in dmesg over the run time? Is it a simple out-of-memory? Definitely a bit of a gross method, but what's ls -lh core show for size? (If so, is it warranted given your load or is there a leak, etc etc...and of course make sure you're up to date on the surrounding packages, OpenLDAP isn't the only thing that can leak.)

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Re: (ITS#6270) Conflict between ppolicy (pwdReset flag) and unique overlays
by michael＠stroeder.com 24 Aug '09

24 Aug '09

michael(a)stroeder.com wrote: > clem.oudot(a)gmail.com wrote: >> I have a rootdn. An extract of my slapd.conf is : >> >> --- >> database bdb >> suffix dc=3Dexample,dc=3Dcom >> rootdn cn=3Dmanager,dc=3Dexample,dc=3Dcom >> rootpw secret >> directory /var/lib/ldap >> >> overlay ppolicy >> ppolicy_use_lockout >> ppolicy_hash_cleartext >> >> overlay unique >> unique_uri ldap:///ou=3Dusers,dc=3Dexample,dc=… [View More]

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Re: (ITS#6270) Conflict between ppolicy (pwdReset flag) and unique overlays
by michael＠stroeder.com 24 Aug '09

24 Aug '09

clem.oudot(a)gmail.com wrote: > I have a rootdn. An extract of my slapd.conf is : > > --- > database bdb > suffix dc=3Dexample,dc=3Dcom > rootdn cn=3Dmanager,dc=3Dexample,dc=3Dcom > rootpw secret > directory /var/lib/ldap > > overlay ppolicy > ppolicy_use_lockout > ppolicy_hash_cleartext > > overlay unique > unique_uri ldap:///ou=3Dusers,dc=3Dexample,dc=3Dcom?uid?sub?(objectClass=3D= > inetOrgPerson) Could you please repost this without the … [View More]

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(ITS#6273) NSS overlay (nssov) fails to load
by battery＠writeme.com 24 Aug '09

24 Aug '09

Full_Name: Matt Kassawara Version: 2.4.17 OS: Ubuntu 9.10 (Karmic) URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (8.7.94.151) Loading the nssov module using 'ldapadd' reports an olcModuleLoad handler error... # ldapadd -H ldapi:/// -Y external SASL/EXTERNAL authentication started SASL username: gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth SASL SSF: 0 dn: cn=module{2},cn=config objectclass: olcmodulelist cn: module{2} olcmoduleload: {0}nssov olcmodulepath: /usr/lib/… [View More]

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(ITS#6272) test045 freed memory access
by richton＠nbcs.rutgers.edu 24 Aug '09

24 Aug '09

Full_Name: Aaron Richton Version: RE24 OS: Solaris 9 URL: https://www.nbcs.rutgers.edu/~richton/richton-bt-200908221228.txt Submission from: (NULL) (128.6.31.135) t@5 (l@5) terminated by signal SEGV (no mapping at the fault address) Current function is connection_abandon 729 op.orn_msgid = o->o_msgid; (dbx) where current thread: t@5 =>[1] connection_abandon(c = 0x106df088), line 729 in "connection.c" [2] connection_closing(c = 0x106df088, why = 0x2859e0 "connection … [View More]

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openldap-bugs August 2009