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(ITS#6387) Valgrind reports issues in pcache
by masarati＠aero.polimi.it 18 Nov '09

18 Nov '09

Full_Name: Pierangelo Masarati Version: HEAD,re24,2.4.19 OS: irrelevant? URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (131.175.154.146) Submitted by: ando See <http://www.openldap.org/lists/openldap-devel/200911/msg00015.html> p.

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(ITS#6386) Usage of ldap_init_fd
by vitaly.kroivets＠gmail.com 18 Nov '09

18 Nov '09

Full_Name: Vitaly Version: 2.4.16 OS: Linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (192.115.180.11) I try to use function ldap_init_fd, but it fails . ldap_init_fd (sockfd , 1 ,host_uri , &server); ... rc = ldap_simple_bind_s(server, bind_dn, password); if (rc != 0) { fprintf(stderr, "ldap_simple_bind_s: %s", (*ldap_err2string)(rc)); return 1; } rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope, ludp->lud_filter, ludp->lud_attrs, 0, &result); ... fails with segmentation fault: #0 find_connection (ld=0x8073ae8, srv=0x807cd50, any=1) at request.c:629 #1 0x080571ba in ldap_chase_referrals (ld=0x8073a08, lr=0x807cc98, errstrp=0x807ccbc, sref=-1, hadrefp=0xbffff84c) at request.c:1356 #2 0x0804c620 in try_read1msg (ld=0x8073a08, msgid=2, all=1, lc=0x8073ae8, result=0x8071ce0) at result.c:805 #3 0x0804bab0 in wait4msg (ld=0x8073a08, msgid=2, all=1, timeout=0x8073ae8, result=0x8071ce0) at result.c:390 #4 0x0804dc5e in ldap_search_s (ld=0x8073a08, base=0x8071d80 "cn=US", scope=0, filter=0x0, attrs=0x0, attrsonly=0, res=0x8071ce0) at search.c:428 #5 0x0804ab38 in main (argc=3, argv=0xbffff9d0) at /tmp/get.c:182 (gdb) p lc $1 = (struct ldap_conn *) 0x8073ae8 (gdb) p *lc $2 = {lconn_sb = 0x807bb30, lconn_refcnt = 3, lconn_created = 0, lconn_lastused = 1258722436, lconn_rebind_inprogress = 0, lconn_rebind_queue = 0x0, lconn_status = 3, lconn_server = 0x0, lconn_ber = 0x0, lconn_next = 0x0} (gdb) quit

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Re: (ITS#6383) Very Slow Query Response
by whm＠stanford.edu 18 Nov '09

18 Nov '09

--On Tuesday, November 17, 2009 09:11:23 PM -0800 Quanah Gibson-Mount <quanah(a)zimbra.com> wrote: > > > On Nov 16, 2009, at 9:03 PM, Bill MacAllister <whm(a)stanford.edu> wrote: > >> >> >> --On Monday, November 16, 2009 07:37:49 PM -0800 Quanah Gibson-Mount >> <quanah(a)zimbra.com> wrote: >> >>> >>> >>> --On November 16, 2009 8:27:21 PM +0000 whm(a)stanford.edu wrote: >>> >>>> Full_Name: Bill MacAllister >>>> Version: 2.4.19+ >>>> OS: Debian 5 >>>> URL: ftp://ftp.openldap.org/incoming/ >>>> Submission from: (NULL) (171.64.19.165) >>>> >>>> >>>> On a system where slapd is the top CPU process and is consuming 4% >>>> of the >>>> CPU simple queries are taking ten of seconds to complete. Here is >>>> an >>>> example query: >>> >>> Last time we saw this it appeared that it might be related to DNS. >>> How long does a netstat -a take on the affected systems when the >>> LDAP queries are slow? >> >> I don't have that number. I have only see it once in the test >> environment I am not sure how long it will take me to get it. Since >> this plastered the production service today, I will have to reproduce >> it though before we attempt another production upgrade. >> >> Not clear to me why a DNS issue would appear only under load and not >> at other times. And it seems strange that it appears in >> lenny/openldap-2.4 and not in etch/openldap-2.3. >> >> Bill >> >> -- >> Bill MacAllister, System Software Programmer >> Unix Systems Group, Stanford University > > For historical note this was caused by Cyrus-sasl being built > incorrectly by the debian packagers when heimdal is used. > > --Quanah I don't understand why you refer to this finding as historical. If I am reading this correctly you and Howard have found the underlying cause. Now that the problem is understood can you suggest a way for us to cause the problem in our test environments? At this point we will really need to convince ourselves that the problem is indeed fixed before we try to deploy 2.4 in our production environment again. Bill -- Bill MacAllister, System Software Programmer Unix Systems Group, Stanford University

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Re: (ITS#6368) Bug in deleting entry in MirrorMode
by pitpalme+openldap＠gmail.com 18 Nov '09

18 Nov '09

Hello, hyc(a)symas.com wrote: > Paste the debug log somewhere we can see it then. Might as well use = debug > level -1 while executing this sequence. And provide the debug output = from both > servers. I=92ve got 60MiB of log files (cumulated from both servers) from running = slapd with "-d Any=93.=20 Sadly this erroneous behavior did only happened after a couple of test = runs, so it=92s a lot of "everything works normal" in this files. The logs are available here: <url:http://pitpalme.is-a-geek.net/ldap/> They're both equal regarding contents, just compressed differently for = faster download if 'xz' as compression tool is available. The test DN that fails is "cn=3DMax = Mustermann,ou=3DbulkTestPerl,ou=3Dtest,o=3Desolution,dc=3Ddeutscherv,dc=3D= de". Thanks in advance and regards, Peter.=

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(ITS#6385) Shutdown of broken syncrepl stanza cores
by masarati＠aero.polimi.it 18 Nov '09

18 Nov '09

Full_Name: Pierangelo Masarati Version: HEAD/re24 OS: irrelevant URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (131.175.154.146) Submitted by: ando The test for SLAP_SYNC_SUBENTRY() is done on a NULL BackendDB *. A fix is coming. p.

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Re: (ITS#6383) Very Slow Query Response
by rra＠stanford.edu 18 Nov '09

18 Nov '09

quanah(a)zimbra.com writes: > For historical note this was caused by Cyrus-sasl being built > incorrectly by the debian packagers when heimdal is used. Well, rather, that's a theory which currently looks good. It definitely hasn't been proven yet. -- Russ Allbery (rra(a)stanford.edu) <http://www.eyrie.org/~eagle/>

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Re: (ITS#6383) Very Slow Query Response
by quanah＠zimbra.com 18 Nov '09

18 Nov '09

On Nov 16, 2009, at 9:03 PM, Bill MacAllister <whm(a)stanford.edu> wrote: > > > --On Monday, November 16, 2009 07:37:49 PM -0800 Quanah Gibson-Mount > <quanah(a)zimbra.com> wrote: > >> >> >> --On November 16, 2009 8:27:21 PM +0000 whm(a)stanford.edu wrote: >> >>> Full_Name: Bill MacAllister >>> Version: 2.4.19+ >>> OS: Debian 5 >>> URL: ftp://ftp.openldap.org/incoming/ >>> Submission from: (NULL) (171.64.19.165) >>> >>> >>> On a system where slapd is the top CPU process and is consuming 4% >>> of the >>> CPU simple queries are taking ten of seconds to complete. Here is >>> an >>> example query: >> >> Last time we saw this it appeared that it might be related to DNS. >> How long does a netstat -a take on the affected systems when the >> LDAP queries are slow? > > I don't have that number. I have only see it once in the test > environment I am not sure how long it will take me to get it. Since > this plastered the production service today, I will have to reproduce > it though before we attempt another production upgrade. > > Not clear to me why a DNS issue would appear only under load and not > at other times. And it seems strange that it appears in > lenny/openldap-2.4 and not in etch/openldap-2.3. > > Bill > > -- > Bill MacAllister, System Software Programmer > Unix Systems Group, Stanford University For historical note this was caused by Cyrus-sasl being built incorrectly by the debian packagers when heimdal is used. --Quanah

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Re: (ITS#6384) ldap.conf - problem with comments
by masarati＠aero.polimi.it 17 Nov '09

17 Nov '09

> sorry for two consecutive mails but I hit send before finishing to > think... where does is this bit about comments in the manual page? It > seems I'm not able to find it (nor the search facility in man too). I'm > doing man 5 ldap.conf, the man has all the configuration variables > explained well but not a word about where to put comments. Hash marks as line-long comment indicators is documented in slapd.conf(5). It is also documented in recent 2.4 ldap.conf(5). p.

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Re: (ITS#6384) ldap.conf - problem with comments
by luca.pasquali＠dada.net 17 Nov '09

17 Nov '09

sorry for two consecutive mails but I hit send before finishing to think... where does is this bit about comments in the manual page? It seems I'm not able to find it (nor the search facility in man too). I'm doing man 5 ldap.conf, the man has all the configuration variables explained well but not a word about where to put comments.

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Re: (ITS#6384) ldap.conf - problem with comments
by luca.pasquali＠dada.net 17 Nov '09

17 Nov '09

> Not a bug. Only lines beginning with "#" are comments as documented in > ldap.conf(5). yes, it might be a cool new feature... :)

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