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Re: (ITS#6220) Problem with writetimeout
by hyc＠symas.com 22 Jul '09

22 Jul '09

moenoel(a)informatik.uni-bremen.de wrote: > Full_Name: Christian Manal > Version: 2.4.17 > OS: SunOS 5.10 Generic_139556-08 > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (2001:638:708:30c9:221:85ff:fe3f:1775) > > > Clients that take a long time to process search results are geting a > writetimeout, even though the keyword is unset or 0 in slapd.conf. Setting the > value to a big enough number solves the problem, but that behavior doesn't > conform to the docs. > > Noticed through a Net::LDAP based Perl-scipt, which reads a big amount of > entries from the directory, but failed sporadically on slow systems since > updating to OpenLDAP 2.4.17. > > Backend is hdb using BDB 4.4 from opencsw repository. Server setup is one master > and four slaves on Solaris 10. Thanks for the report, this is now fixed in CVS HEAD. -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by steve＠falchion.com 22 Jul '09

22 Jul '09

On Tue, 2009-07-21 at 11:17 -0700, Howard Chu wrote: > Steve Paras-Charlton wrote: > > On Tue, 2009-07-21 at 10:32 -0700, Howard Chu wrote: > >> steve(a)falchion.com wrote: > >>> 2.4.17 fails in an identical manner. > >>> > >>> For those interested, 2.4.17 failed to compile because the installed > >>> 2.4.16 libs were being picked up instead of the freshly compiled ones > >>> during the link phase. > >> > >> Looks like a problem in your OpenSSL build, not in OpenLDAP. > > > > Any ideas what that problem might be or what leads you to believe this? > > The backtrace shows that these SSL functions are contained inside your > libldap_r shared library object file. Usually they should be present in > OpenSSL's own shared libraries. If OpenSSL was only provided as a static > library, it's not clear that their code will behave correctly when used inside > a shared library (i.e., PIC vs non-PIC dependencies). Thanks for that info. I apologize for my ignorance but I got out of code development 15-20 years ago. Would it help if I compiled slapd statically? Is there an option for that in configure? > > > Unfortunately this OpenSSL is the one distributed by IBM as part of the > > AIX operating system, so it's not really my build... If I'm going to go > > to them with this, I could use a little more ammo :) > > It would also help if you compile without optimization, with debug symbols, > and run the non-stripped binaries. Your backtraces are lacking a lot of info > at the moment. I re-configured with --enable-debug and re-compiled, then ran slapd from the servers/slapd directory and got the following backtrace: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1] 0xd2514a34 in SSL_CTX_set_info_callback () from /LDAP/build/openldap-2.4.17/libraries/libldap_r/.libs/libldap_r.a(libldap_r-2.4.so.2) (gdb) bt #0 0xd2514a34 in SSL_CTX_set_info_callback () from /LDAP/build/openldap-2.4.17/libraries/libldap_r/.libs/libldap_r.a(libldap_r-2.4.so.2) #1 0xd2512118 in tlso_ctx_init () from /LDAP/build/openldap-2.4.17/libraries/libldap_r/.libs/libldap_r.a(libldap_r-2.4.so.2) #2 0xd250e70c in ldap_int_tls_init_ctx () from /LDAP/build/openldap-2.4.17/libraries/libldap_r/.libs/libldap_r.a(libldap_r-2.4.so.2) #3 0xd2510400 in ldap_pvt_tls_set_option () from /LDAP/build/openldap-2.4.17/libraries/libldap_r/.libs/libldap_r.a(libldap_r-2.4.so.2) #4 0x10001fb0 in main () To my relatively untrained eye this doesn't look much different from the original. Can you give me an example of how I could compile and run to produce a better stack trace? I couldn't find documentation of that sort on the OpenLDAP web page... Thanks again, Steve > > > > > Steve > > > >>> > >>> Steve > >>> > >>> On Mon, 2009-07-20 at 20:04 -0700, Steve Paras-Charlton wrote: > >>>> Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work > >>>> on it, but in the meantime, any ideas why 2.4.16 is crashing thus? > >>>> > >>>> Steve > >>>> > >>>> On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: > >>>>> --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton > >>>>> <steve(a)falchion.com> wrote: > >>>>> > >>>>>> Haven't tried it. is it stable now (or soon to be?) > >>>>> > >>>>> I'd assume that depends on what bugs people report against it. Knowing > >>>>> whether or not this affects 2.4.17 would certainly be useful in that > >>>>> determination. ;) > >>>>> > >>>>> --Quanah > >> > > > > > >

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by hyc＠symas.com 21 Jul '09

21 Jul '09

Steve Paras-Charlton wrote: > On Tue, 2009-07-21 at 10:32 -0700, Howard Chu wrote: >> steve(a)falchion.com wrote: >>> 2.4.17 fails in an identical manner. >>> >>> For those interested, 2.4.17 failed to compile because the installed >>> 2.4.16 libs were being picked up instead of the freshly compiled ones >>> during the link phase. >> >> Looks like a problem in your OpenSSL build, not in OpenLDAP. > > Any ideas what that problem might be or what leads you to believe this? The backtrace shows that these SSL functions are contained inside your libldap_r shared library object file. Usually they should be present in OpenSSL's own shared libraries. If OpenSSL was only provided as a static library, it's not clear that their code will behave correctly when used inside a shared library (i.e., PIC vs non-PIC dependencies). > Unfortunately this OpenSSL is the one distributed by IBM as part of the > AIX operating system, so it's not really my build... If I'm going to go > to them with this, I could use a little more ammo :) It would also help if you compile without optimization, with debug symbols, and run the non-stripped binaries. Your backtraces are lacking a lot of info at the moment. > > Steve > >>> >>> Steve >>> >>> On Mon, 2009-07-20 at 20:04 -0700, Steve Paras-Charlton wrote: >>>> Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work >>>> on it, but in the meantime, any ideas why 2.4.16 is crashing thus? >>>> >>>> Steve >>>> >>>> On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: >>>>> --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton >>>>> <steve(a)falchion.com> wrote: >>>>> >>>>>> Haven't tried it. is it stable now (or soon to be?) >>>>> >>>>> I'd assume that depends on what bugs people report against it. Knowing >>>>> whether or not this affects 2.4.17 would certainly be useful in that >>>>> determination. ;) >>>>> >>>>> --Quanah >> > > -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by steve＠falchion.com 21 Jul '09

21 Jul '09

On Tue, 2009-07-21 at 10:32 -0700, Howard Chu wrote: > steve(a)falchion.com wrote: > > 2.4.17 fails in an identical manner. > > > > For those interested, 2.4.17 failed to compile because the installed > > 2.4.16 libs were being picked up instead of the freshly compiled ones > > during the link phase. > > Looks like a problem in your OpenSSL build, not in OpenLDAP. Any ideas what that problem might be or what leads you to believe this? Unfortunately this OpenSSL is the one distributed by IBM as part of the AIX operating system, so it's not really my build... If I'm going to go to them with this, I could use a little more ammo :) Steve > > > > Steve > > > > On Mon, 2009-07-20 at 20:04 -0700, Steve Paras-Charlton wrote: > >> Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work > >> on it, but in the meantime, any ideas why 2.4.16 is crashing thus? > >> > >> Steve > >> > >> On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: > >>> --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton > >>> <steve(a)falchion.com> wrote: > >>> > >>>> Haven't tried it. is it stable now (or soon to be?) > >>> > >>> I'd assume that depends on what bugs people report against it. Knowing > >>> whether or not this affects 2.4.17 would certainly be useful in that > >>> determination. ;) > >>> > >>> --Quanah >

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by hyc＠symas.com 21 Jul '09

21 Jul '09

steve(a)falchion.com wrote: > 2.4.17 fails in an identical manner. > > For those interested, 2.4.17 failed to compile because the installed > 2.4.16 libs were being picked up instead of the freshly compiled ones > during the link phase. Looks like a problem in your OpenSSL build, not in OpenLDAP. > > Steve > > On Mon, 2009-07-20 at 20:04 -0700, Steve Paras-Charlton wrote: >> Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work >> on it, but in the meantime, any ideas why 2.4.16 is crashing thus? >> >> Steve >> >> On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: >>> --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton >>> <steve(a)falchion.com> wrote: >>> >>>> Haven't tried it. is it stable now (or soon to be?) >>> >>> I'd assume that depends on what bugs people report against it. Knowing >>> whether or not this affects 2.4.17 would certainly be useful in that >>> determination. ;) >>> >>> --Quanah -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by steve＠falchion.com 21 Jul '09

21 Jul '09

2.4.17 fails in an identical manner. For those interested, 2.4.17 failed to compile because the installed 2.4.16 libs were being picked up instead of the freshly compiled ones during the link phase. Steve On Mon, 2009-07-20 at 20:04 -0700, Steve Paras-Charlton wrote: > Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work > on it, but in the meantime, any ideas why 2.4.16 is crashing thus? > > Steve > > On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: > > --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton > > <steve(a)falchion.com> wrote: > > > > > Haven't tried it. is it stable now (or soon to be?) > > > > I'd assume that depends on what bugs people report against it. Knowing > > whether or not this affects 2.4.17 would certainly be useful in that > > determination. ;) > > > > --Quanah > > > > -- > > > > Quanah Gibson-Mount > > Principal Software Engineer > > Zimbra, Inc > > -------------------- > > Zimbra :: the leader in open source messaging and collaboration

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by steve＠falchion.com 21 Jul '09

21 Jul '09

Currently 2.4.17 fails to compile under AIX 5.3TL10, so I'll try to work on it, but in the meantime, any ideas why 2.4.16 is crashing thus? Steve On Mon, 2009-07-20 at 15:58 -0700, Quanah Gibson-Mount wrote: > --On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton > <steve(a)falchion.com> wrote: > > > Haven't tried it. is it stable now (or soon to be?) > > I'd assume that depends on what bugs people report against it. Knowing > whether or not this affects 2.4.17 would certainly be useful in that > determination. ;) > > --Quanah > > -- > > Quanah Gibson-Mount > Principal Software Engineer > Zimbra, Inc > -------------------- > Zimbra :: the leader in open source messaging and collaboration

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by quanah＠zimbra.com 21 Jul '09

21 Jul '09

--On Monday, July 20, 2009 3:52 PM -0700 Steve Paras-Charlton <steve(a)falchion.com> wrote: > Haven't tried it. is it stable now (or soon to be?) I'd assume that depends on what bugs people report against it. Knowing whether or not this affects 2.4.17 would certainly be useful in that determination. ;) --Quanah -- Quanah Gibson-Mount Principal Software Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by steve＠falchion.com 21 Jul '09

21 Jul '09

Haven't tried it. is it stable now (or soon to be?) Steve On Mon, 2009-07-20 at 15:28 -0700, Quanah Gibson-Mount wrote: > --On Monday, July 20, 2009 5:44 PM +0000 steve(a)falchion.com wrote: > > > Full_Name: Steve Paras-Charlton > > Version: 2.4.16 > > OS: AIX > > URL: ftp://ftp.openldap.org/incoming/spc-slapd-info.txt.1 > > Submission from: (NULL) (66.18.215.114) > > > > > > slapd works fine unless I enable TLS and give it certificates > > (self-signed). Segfault occurs after reading config and opening > > certificate files. > > Does this happen with 2.4.17? > > --Quanah > > -- > > Quanah Gibson-Mount > Principal Software Engineer > Zimbra, Inc > -------------------- > Zimbra :: the leader in open source messaging and collaboration

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Re: (ITS#6221) slapd segfault in SSL_CTX_set_info_callback
by quanah＠zimbra.com 21 Jul '09

21 Jul '09

--On Monday, July 20, 2009 5:44 PM +0000 steve(a)falchion.com wrote: > Full_Name: Steve Paras-Charlton > Version: 2.4.16 > OS: AIX > URL: ftp://ftp.openldap.org/incoming/spc-slapd-info.txt.1 > Submission from: (NULL) (66.18.215.114) > > > slapd works fine unless I enable TLS and give it certificates > (self-signed). Segfault occurs after reading config and opening > certificate files. Does this happen with 2.4.17? --Quanah -- Quanah Gibson-Mount Principal Software Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration

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