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Re: (ITS#7450) segfault with listener-threads=8
by jackie.qq.zhang＠gmail.com 25 Nov '12

25 Nov '12

--20cf300faffd868e6d04cf5a0c62 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Michael, This is my simplified configuration file which can reproduce the segfault. For the purpose of replay, I use "50" instead of "8" because using "8" sometime cannot reproduce the error. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D slapd.conf =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D listener-threads 50 include /xxx/etc/openldap/schema/core.schema pidfile /xxx/var/run/slapd.pid argsfile /xxx/var/run/slapd.args database bdb suffix "dc=3Dxxx,dc=3Dxxx" rootdn "cn=3Dxxx,dc=3Dxxx,dc=3Dxxx" rootpw secret directory /xxx/var/openldap-data index objectClass eq =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D The stack traces are: Thread 3 (Thread 0x7ffff4f2c700 (LWP 24897)): #0 0x00007ffff6d40481 in clone () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007ffff7012dc0 in ?? () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007ffff4f2c700 in ?? () #3 0x0000000000000000 in ?? () Thread 2 (Thread 0x7ffff572d700 (LWP 24896)): #0 0x000000000042543f in slapd_add (s=3D10, isactive=3D0, sl=3D0x0, id=3D0= ) at daemon.c:857 #1 0x0000000000429afc in slapd_daemon_task (ptr=3D0xaa8ed0) at daemon.c:21= 37 #2 0x00007ffff7012e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #3 0x00007ffff6d404bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #4 0x0000000000000000 in ?? () Thread 1 (Thread 0x7ffff7fe1700 (LWP 24893)): #0 0x00007ffff6d40481 in clone () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007ffff7011f70 in do_clone.constprop.4 () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 0x00007ffff70138ba in pthread_create@@GLIBC_2.2.5 () from /lib/x86_64-linux-gnu/libpthread.so.0 #3 0x000000000058ccbb in ldap_pvt_thread_create (thread=3D0xaa8ed8, detach=3D0, start_routine=3D0x429a7c <slapd_daemon_task>, arg=3D0xaa8ed8\ ) at thr_posix.c:165 #4 0x000000000042bf28 in slapd_daemon () at daemon.c:2918 #5 0x00000000004087b8 in main (argc=3D7, argv=3D0x7fffffffe008) at main.c:= 1012 The GDB stopped at the following statement: assert( SLAP_SOCK_NOT_ACTIVE(id, s) ); which is in slapd_add, daemon.c:857. Best regards, Jackie On Sun, Nov 25, 2012 at 6:29 AM, Michael Str=F6der <michael(a)stroeder.com>wr= ote: > jackie.qq.zhang(a)gmail.com wrote: > > The default configuration does not have this problem. So I checked ever= y > > configuration setting I made and finally found it's caused by the > following > > setting: > > > > listener-threads 8 > > I tried to reproduce this by adding the line above to my local config. Bu= t > slapd still works on my system. > > Could you please provide a canned config which reproduces the seg fault a= nd > preferrably a full stack trace? > > http://www.openldap.org/faq/data/cache/59.html > > Make sure you have installed slapd with debug symbols (make install > STRIP=3D""). > > Ciao, Michael. > --20cf300faffd868e6d04cf5a0c62 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Michael, This is my simplified configuration file which can repr= oduce the segfault. For the purpose of replay, I use "50" instead= of "8" because using "8" sometime cannot reproduce the= error. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D slapd.conf =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D listener-threads 50 include=A0=A0=A0=A0=A0=A0 /xxx/etc/openldap/schema/c= ore.schema pidfile=A0=A0=A0=A0=A0=A0=A0=A0 /xxx/var/run/slapd.pid argsfile=A0=A0=A0=A0=A0=A0 /xxx/var/run/slapd.args database=A0=A0=A0=A0=A0=A0=A0 bdb suffix=A0=A0=A0=A0=A0=A0=A0=A0=A0 "dc=3Dxxx,dc=3Dxxx" rootdn=A0=A0=A0=A0=A0=A0=A0=A0=A0 "cn=3Dxxx,dc=3Dxxx,dc=3Dxxx"<br= > rootpw=A0=A0=A0=A0=A0=A0=A0=A0=A0 secret directory=A0=A0=A0=A0=A0=A0 /xxx/var/openldap-data index=A0=A0 objectClass=A0=A0=A0=A0 eq =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D The stack traces are:= Thread 3 (Thread 0x7ffff4f2c700 (LWP 24897)): #0=A0 0x00007ffff6= d40481 in clone () from /lib/x86_64-linux-gnu/libc.so.6 #1=A0 0x00007fff= f7012dc0 in ?? () from /lib/x86_64-linux-gnu/libpthread.so.0 #2=A0 0x00007ffff4f2c700 in ?? () #3=A0 0x0000000000000000 in ?? () <= br>Thread 2 (Thread 0x7ffff572d700 (LWP 24896)): #0=A0 0x000000000042543= f in slapd_add (s=3D10, isactive=3D0, sl=3D0x0, id=3D0) at daemon.c:857 = #1=A0 0x0000000000429afc in slapd_daemon_task (ptr=3D0xaa8ed0) at daemon.c:= 2137 #2=A0 0x00007ffff7012e9a in start_thread () from /lib/x86_64-linux-gnu/libp= thread.so.0 #3=A0 0x00007ffff6d404bd in clone () from /lib/x86_64-linux-= gnu/libc.so.6 #4=A0 0x0000000000000000 in ?? () Thread 1 (Thread = 0x7ffff7fe1700 (LWP 24893)): #0=A0 0x00007ffff6d40481 in clone () from /lib/x86_64-linux-gnu/libc.so.6<b= r>#1=A0 0x00007ffff7011f70 in do_clone.constprop.4 () from /lib/x86_64-linu= x-gnu/libpthread.so.0 #2=A0 0x00007ffff70138ba in pthread_create@@GLIBC_= 2.2.5 () from /lib/x86_64-linux-gnu/libpthread.so.0 #3=A0 0x000000000058ccbb in ldap_pvt_thread_create (thread=3D0xaa8ed8, deta= ch=3D0, start_routine=3D0x429a7c <slapd_daemon_task>, arg=3D0xaa8ed8\= ) at thr_posix.c:165 #4=A0 0x000000000042bf28 in slapd_daemon () at = daemon.c:2918 #5=A0 0x00000000004087b8 in main (argc=3D7, argv=3D0x7fffffffe008) at main.= c:1012 The GDB stopped at the following statement: assert( S= LAP_SOCK_NOT_ACTIVE(id, s) ); which is in slapd_add, daemon.c:857.<b= r> Best regards, Jackie <div class=3D"gmail_quote">On Su= n, Nov 25, 2012 at 6:29 AM, Michael Str=F6der <<a href= =3D"mailto:michael@stroeder.com" target=3D"_blank">michael(a)stroeder.com</a>= > wrote: <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= x #ccc solid;padding-left:1ex"><a href=3D"mailto:jackie.qq.zhang@gmail.com"= >jackie.qq.zhang(a)gmail.com</a> wrote: > The default configuration does not have this problem. So I checked eve= ry > configuration setting I made and finally found it's caused by the = following > setting: > > listener-threads 8 I tried to reproduce this by adding the line above to my local config. But<= br> slapd still works on my system. Could you please provide a canned config which reproduces the seg fault and= preferrably a full stack trace? <a href=3D"http://www.openldap.org/faq/data/cache/59.html" target=3D"_blank= ">http://www.openldap.org/faq/data/cache/59.html</a> Make sure you have installed slapd with debug symbols (make install STRIP= =3D""). Ciao, Michael. </blockquote></div> --20cf300faffd868e6d04cf5a0c62--

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Re: (ITS#7450) segfault with listener-threads=8
by michael＠stroeder.com 25 Nov '12

25 Nov '12

jackie.qq.zhang(a)gmail.com wrote: > The default configuration does not have this problem. So I checked every > configuration setting I made and finally found it's caused by the following > setting: > > listener-threads 8 I tried to reproduce this by adding the line above to my local config. But slapd still works on my system. Could you please provide a canned config which reproduces the seg fault and preferrably a full stack trace? http://www.openldap.org/faq/data/cache/59.html Make sure you have installed slapd with debug symbols (make install STRIP=""). Ciao, Michael.

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(ITS#7450) segfault with listener-threads=8
by jackie.qq.zhang＠gmail.com 24 Nov '12

24 Nov '12

Full_Name: Jackie Zhang Version: 2.4.33 OS: Ubuntu 10.04 URL: Submission from: (NULL) (2607:f720:1300:1241:9502:8240:b2b5:ba3f) When I start the server, I saw the following error messages: 50b1ca90 bdb_db_open: warning - no DB_CONFIG file found in directory /xxx/openldap-2.4.33/var/openldap-data: (2). Expect poor performance for suffix "dc=xxx,dc=xxx". 50b1ca90 bdb_monitor_db_open: monitoring disabled; configure monitor database to enable 50b1ca90 slapd starting Segmentation fault (core dumped) The default configuration does not have this problem. So I checked every configuration setting I made and finally found it's caused by the following setting: listener-threads 8 Is this a bug?

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Re: (ITS#7431) seg fault in constraint_check_restrict at constraint.c:713
by michael＠stroeder.com 24 Nov '12

24 Nov '12

This is a cryptographically signed message in MIME format. --------------ms010608050607040608060204 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Michael Str=F6der wrote: > Michael Str=F6der wrote: >> Jan Synacek wrote: >>> On 11/08/2012 08:14 AM, michael(a)stroeder.com wrote: >>>> FYI: I sent output of bt full to Jan with some data stripped because= of >>>> privacy concerns. >>>> >>>> Note that the entry for which constraint checking is done is added t= o the >>>> database. So something might be wrong *after* the check. >>> >>> Can you please try the attached patch? >> >> It seems to work. But I will test it during the next days more thoroug= hly. >=20 > No more seg faults so far in my setup which uses slapo-constraints quit= e > heavily. So I'd appreciate if Jan's patch lands in RE24 branch. What's the status of this? Is a more formal submission of Jan's patch needed to get this in? 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(ITS#7449) Signedness Conversion Issue
by tixu＠cs.ucsd.edu 21 Nov '12

21 Nov '12

Full_Name: Tianyin Xu Version: 2.4.33 OS: Ubuntu 12.04 (actually doesn't matter) URL: Submission from: (NULL) (2607:f720:1300:1241:512c:f07a:5efe:8eda) The data type of "index_substr_any_len" and "index_substr_any_step" are unsigned int. They should share the same flag ARG_UINT as "index_substr_if_{min,max}len" /* servers/slapd/schema_init.c */ 158 unsigned int index_substr_if_minlen = SLAP_INDEX_SUBSTR_IF_MINLEN_DEFAULT; 159 unsigned int index_substr_if_maxlen = SLAP_INDEX_SUBSTR_IF_MAXLEN_DEFAULT; 160 unsigned int index_substr_any_len = SLAP_INDEX_SUBSTR_ANY_LEN_DEFAULT; 161 unsigned int index_substr_any_step = SLAP_INDEX_SUBSTR_ANY_STEP_DEFAULT; In the current code, they are "ARG_INT" which convert -1 to be 4294967295. ==========================PATCH========================= @@ -399,13 +399,13 @@ { "index_substr_if_maxlen", "max", 2, 2, 0, ARG_UINT|ARG_NONZERO|ARG_MAGIC|CFG_SSTR_IF_MAX, &config_generic, "( OLcfgGlAt:21 NAME 'olcIndexSubstrIfMaxLen' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, - { "index_substr_any_len", "len", 2, 2, 0, ARG_INT|ARG_NONZERO, + { "index_substr_any_len", "len", 2, 2, 0, ARG_UINT|ARG_NONZERO, &index_substr_any_len, "( OLcfgGlAt:22 NAME 'olcIndexSubstrAnyLen' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, - { "index_substr_any_step", "step", 2, 2, 0, ARG_INT|ARG_NONZERO, + { "index_substr_any_step", "step", 2, 2, 0, ARG_UINT|ARG_NONZERO, &index_substr_any_step, "( OLcfgGlAt:23 NAME 'olcIndexSubstrAnyStep' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, - { "index_intlen", "len", 2, 2, 0, ARG_INT|ARG_MAGIC|CFG_IX_INTLEN, + { "index_intlen", "len", 2, 2, 0, ARG_UINT|ARG_MAGIC|CFG_IX_INTLEN, &config_generic, "( OLcfgGlAt:84 NAME 'olcIndexIntLen' " "SYNTAX OMsInteger SINGLE-VALUE )", NULL, NULL }, { "lastmod", "on|off", 2, 2, 0, ARG_DB|ARG_ON_OFF|ARG_MAGIC|CFG_LASTMOD,

1 0

Re: (ITS#7448) "assertion failed" in MDB
by artemciy＠gmail.com 21 Nov '12

21 Nov '12

--047d7b10cce921f66204cf0610ec Content-Type: text/plain; charset=ISO-8859-1 On Wed, Nov 21, 2012 at 10:15 PM, Howard Chu <hyc(a)symas.com> wrote: > More information is needed than this. Your stack traces aren't even > complete. This isn't relevant. > What was the workload leading up to this? I can try to make an ltrace log, would that suffice? Give us a sample configuration that reproduces the assert. > Don't have time to make a test case now. > artemciy(a)gmail.com wrote: > >> Full_Name: Artem Grinblat >> Version: git, commit be781ab8081d7e9ad1eb89da81077c**7f936a5604 >> OS: Debian Wheezy >> URL: >> Submission from: (NULL) (213.108.212.44) >> >> >> MDB works okay for some time, then crashes with >> >> mdb.c:3778: mdb_page_search_root: Assertion `(((mp)->mp_pb.pb.pb_lower - >> ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1' failed. >> >> (gdb) bt >> #0 WriteCoreDump (file_name=0x7f1f1f705fa0 "/tmp/tntnet.5541.core") at >> src/coredumper.c:192 >> #1 0x00007f1f4b163da9 in img2::writeCore (path=0x7f1f1f705fa0 >> "/tmp/tntnet.5541.core") at src/conf.cpp:49 >> #2 0x00007f1f4b16145d in img2::custom_sigaction (signum=6) at >> src/conf.cpp:89 >> #3 <signal handler called> >> #4 0x00007f1f469ba475 in *__GI_raise (sig=<optimized out>) at >> ../nptl/sysdeps/unix/sysv/**linux/raise.c:64 >> #5 0x00007f1f469bd6f0 in *__GI_abort () at abort.c:92 >> #6 0x00007f1f469b3621 in *__GI___assert_fail ( >> assertion=assertion@entry=**0x7f1f4155cdb0 >> "(((mp)->mp_pb.pb.pb_lower - >> ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1", >> file=<optimized >> out>, >> file@entry=0x7f1f4155cb30 "mdb.c", line=line@entry=3778, >> function=function@entry=**0x7f1f4155d360 "mdb_page_search_root") at >> assert.c:81 >> #7 0x00007f1f41555ccd in mdb_page_search_root (mc=mc@entry >> =0x7f1f1f708500, >> key=key@entry=0x0, modify=modify@entry=0) at mdb.c:3778 >> #8 0x00007f1f4155467a in mdb_page_search (mc=mc@entry=0x7f1f1f708500, >> key=key@entry=0x0, flags=flags@entry=0) at mdb.c:3908 >> #9 0x00007f1f41554a07 in mdb_cursor_first (mc=0x7f1f1f708500, >> key=key@entry=0x7f1f1f7070f0, data=data@entry=0x0) at mdb.c:4354 >> #10 0x00007f1f4155517e in mdb_cursor_set (mc=mc@entry=0x7f1f1f708370, >> key=key@entry=0x7f1f1f708770, data=data@entry=**0x7f1f1f7070f0, >> op=op@entry=MDB_SET, >> exactp=exactp@entry=**0x7f1f1f7070d4) at mdb.c:4307 >> #11 0x00007f1f41559c8d in mdb_cursor_put (mc=0x7f1f1f708370, >> key=0x7f1f1f708770, >> data=0x7f1f1f708790, flags=0) at mdb.c:4672 >> #12 0x00007f1f4155bdc9 in mdb_put (txn=<optimized out>, dbi=<optimized >> out>, >> key=0x7f1f1f708770, data=0x7f1f1f708790, flags=<optimized out>) at >> mdb.c:6599 >> >> Also under Valgrind: >> ==7503== Warning: set address range perms: large range [0x3959d000, >> 0x7959d000) >> (defined) >> **7503** custom_sigaction, signal 6 at 0x51B6EEC: >> VALGRIND_PRINTF_BACKTRACE(char const*, ...) (valgrind.h:3771) >> ==7503== by 0x51B72A1: img2::custom_sigaction(int) (conf.cpp:77) >> ==7503== by 0x985B4EF: ??? (in /lib/x86_64-linux-gnu/libc-2.**13.so<http://libc-2.13.so> >> ) >> ==7503== by 0x985B474: raise (raise.c:64) >> ==7503== by 0x985E6EF: abort (abort.c:92) >> ==7503== by 0x9854620: __assert_fail (assert.c:81) >> ==7503== by 0xEDD9CCC: mdb_page_search_root (mdb.c:3778) >> ==7503== by 0xEDD8679: mdb_page_search (mdb.c:3908) >> ==7503== by 0xEDD8F78: mdb_cursor_set (mdb.c:4268) >> ==7503== by 0xEDD8EB0: mdb_cursor_set (mdb.c:4316) >> ==7503== by 0xEDDFCA8: mdb_del (mdb.c:6165) >> >> >> > > -- > -- Howard Chu > CTO, Symas Corp. http://www.symas.com > Director, Highland Sun http://highlandsun.com/hyc/ > Chief Architect, OpenLDAP http://www.openldap.org/**project/<http://www.openldap.org/project/> > --047d7b10cce921f66204cf0610ec Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On Wed, Nov 21, 2012 at 10:15 PM, Howard Chu <<a href= =3D"mailto:hyc@symas.com" target=3D"_blank">hyc(a)symas.com</a>> wr= ote: <div><div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" s= tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> More information is needed than this. Your stack traces aren't even com= plete.</blockquote><div> </div><div>This isn't relevant.</div><div>= =A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;borde= r-left:1px #ccc solid;padding-left:1ex"> What was the workload leading up to this?</blockquote><div> </div><div>= I can try to make an ltrace log, would that suffice?</div><div> </div><b= lockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px = #ccc solid;padding-left:1ex"> Give us a sample configuration that reproduces the assert. </blockquote>= <div> </div><div>Don't have time to make a test case now.</div><div>= </div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord= er-left:1px #ccc solid;padding-left:1ex"> <a href=3D"mailto:artemciy@gmail.com" target=3D"_blank">artemciy(a)gmail.com<= /a> wrote: <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= x #ccc solid;padding-left:1ex"> Full_Name: Artem Grinblat Version: git, commit be781ab8081d7e9ad1eb89da81077c7f936a5604 OS: Debian Wheezy URL: Submission from: (NULL) (213.108.212.44) MDB works okay for some time, then crashes with mdb.c:3778: mdb_page_search_root: Assertion `(((mp)->mp_pb.pb.pb_lower -= ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1&#39= ; failed. (gdb) bt #0 =A0WriteCoreDump (file_name=3D0x7f1f1f705fa0 "/tmp/tntnet.5541.core= ") at src/coredumper.c:192 #1 =A00x00007f1f4b163da9 in img2::writeCore (path=3D0x7f1f1f705fa0 "/tmp/tntnet.5541.core") at src/conf.cpp:49 #2 =A00x00007f1f4b16145d in img2::custom_sigaction (signum=3D6) at src/conf= .cpp:89 #3 =A0<signal handler called> #4 =A00x00007f1f469ba475 in *__GI_raise (sig=3D<optimized out>) at<br= > ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #5 =A00x00007f1f469bd6f0 in *__GI_abort () at abort.c:92 #6 =A00x00007f1f469b3621 in *__GI___assert_fail ( =A0 =A0 =A0assertion=3Dassertion@entry=3D0x7f1f4155cdb0 "(((mp)= ->mp_pb.pb.pb_lower - ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1&quo= t;, file=3D<optimized out>, =A0 =A0 =A0file@entry=3D0x7f1f4155cb30 "mdb.c", line=3Dline@entry= =3D3778, function=3Dfunction@entry=3D0x7f1f4155d360 "mdb_page_search_roo= t") at assert.c:81 #7 =A00x00007f1f41555ccd in mdb_page_search_root (mc=3Dmc@entry=3D0x7f1f1f7= 08500, key=3Dkey@entry=3D0x0, modify=3Dmodify@entry=3D0) at mdb.c:3778 #8 =A00x00007f1f4155467a in mdb_page_search (mc=3Dmc@entry=3D0x7f1f1f708500= , key=3Dkey@entry=3D0x0, flags=3Dflags@entry=3D0) at mdb.c:3908 #9 =A00x00007f1f41554a07 in mdb_cursor_first (mc=3D0x7f1f1f708500, key=3Dkey@entry=3D0x7f1f1f7070f0, data=3Ddata@entry=3D0x0) at mdb.c:4354<br= > #10 0x00007f1f4155517e in mdb_cursor_set (mc=3Dmc@entry=3D0x7f1f1f708370,<b= r> key=3Dkey@entry=3D0x7f1f1f708770, data=3Ddata@entry=3D0x7f1f1f7070f0= , op=3Dop@entry=3DMDB_SET, =A0 =A0 =A0exactp=3Dexactp@entry=3D0x7f1f1f7070d4) at mdb.c:4307 #11 0x00007f1f41559c8d in mdb_cursor_put (mc=3D0x7f1f1f708370, key=3D0x7f1f= 1f708770, data=3D0x7f1f1f708790, flags=3D0) at mdb.c:4672 #12 0x00007f1f4155bdc9 in mdb_put (txn=3D<optimized out>, dbi=3D<o= ptimized out>, key=3D0x7f1f1f708770, data=3D0x7f1f1f708790, flags=3D<optimized out>)= at mdb.c:6599 Also under Valgrind: =3D=3D7503=3D=3D Warning: set address range perms: large range [0x3959d000,= 0x7959d000) (defined) **7503** custom_sigaction, signal 6 =A0 at 0x51B6EEC: VALGRIND_PRINTF_BACKTRACE(char const*, ...) (valgrind.h:3771) =3D=3D7503=3D=3D =A0 =A0by 0x51B72A1: img2::custom_sigaction(int) (conf.cpp= :77) =3D=3D7503=3D=3D =A0 =A0by 0x985B4EF: ??? (in /lib/x86_64-linux-gnu/<a href= =3D"http://libc-2.13.so" target=3D"_blank">libc-2.13.so</a>) =3D=3D7503=3D=3D =A0 =A0by 0x985B474: raise (raise.c:64) =3D=3D7503=3D=3D =A0 =A0by 0x985E6EF: abort (abort.c:92) =3D=3D7503=3D=3D =A0 =A0by 0x9854620: __assert_fail (assert.c:81) =3D=3D7503=3D=3D =A0 =A0by 0xEDD9CCC: mdb_page_search_root (mdb.c:3778) =3D=3D7503=3D=3D =A0 =A0by 0xEDD8679: mdb_page_search (mdb.c:3908) =3D=3D7503=3D=3D =A0 =A0by 0xEDD8F78: mdb_cursor_set (mdb.c:4268) =3D=3D7503=3D=3D =A0 =A0by 0xEDD8EB0: mdb_cursor_set (mdb.c:4316) =3D=3D7503=3D=3D =A0 =A0by 0xEDDFCA8: mdb_del (mdb.c:6165) </blockquote> -- =A0 -- Howard Chu =A0 CTO, Symas Corp. =A0 =A0 =A0 =A0 =A0 <a href=3D"http://www.symas.com" t= arget=3D"_blank">http://www.symas.com</a> =A0 Director, Highland Sun =A0 =A0 <a href=3D"http://highlandsun.com/hyc/" = target=3D"_blank">http://highlandsun.com/hyc/</a> =A0 Chief Architect, OpenLDAP =A0<a href=3D"http://www.openldap.org/project= /" target=3D"_blank">http://www.openldap.org/project/</a> </blockquote></div> </div> --047d7b10cce921f66204cf0610ec--

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Re: (ITS#7448) "assertion failed" in MDB
by hyc＠symas.com 21 Nov '12

21 Nov '12

More information is needed than this. Your stack traces aren't even complete. What was the workload leading up to this? Give us a sample configuration that reproduces the assert. artemciy(a)gmail.com wrote: > Full_Name: Artem Grinblat > Version: git, commit be781ab8081d7e9ad1eb89da81077c7f936a5604 > OS: Debian Wheezy > URL: > Submission from: (NULL) (213.108.212.44) > > > MDB works okay for some time, then crashes with > > mdb.c:3778: mdb_page_search_root: Assertion `(((mp)->mp_pb.pb.pb_lower - > ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1' failed. > > (gdb) bt > #0 WriteCoreDump (file_name=0x7f1f1f705fa0 "/tmp/tntnet.5541.core") at > src/coredumper.c:192 > #1 0x00007f1f4b163da9 in img2::writeCore (path=0x7f1f1f705fa0 > "/tmp/tntnet.5541.core") at src/conf.cpp:49 > #2 0x00007f1f4b16145d in img2::custom_sigaction (signum=6) at src/conf.cpp:89 > #3 <signal handler called> > #4 0x00007f1f469ba475 in *__GI_raise (sig=<optimized out>) at > ../nptl/sysdeps/unix/sysv/linux/raise.c:64 > #5 0x00007f1f469bd6f0 in *__GI_abort () at abort.c:92 > #6 0x00007f1f469b3621 in *__GI___assert_fail ( > assertion=assertion@entry=0x7f1f4155cdb0 "(((mp)->mp_pb.pb.pb_lower - > ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1", file=<optimized > out>, > file@entry=0x7f1f4155cb30 "mdb.c", line=line@entry=3778, > function=function@entry=0x7f1f4155d360 "mdb_page_search_root") at assert.c:81 > #7 0x00007f1f41555ccd in mdb_page_search_root (mc=mc@entry=0x7f1f1f708500, > key=key@entry=0x0, modify=modify@entry=0) at mdb.c:3778 > #8 0x00007f1f4155467a in mdb_page_search (mc=mc@entry=0x7f1f1f708500, > key=key@entry=0x0, flags=flags@entry=0) at mdb.c:3908 > #9 0x00007f1f41554a07 in mdb_cursor_first (mc=0x7f1f1f708500, > key=key@entry=0x7f1f1f7070f0, data=data@entry=0x0) at mdb.c:4354 > #10 0x00007f1f4155517e in mdb_cursor_set (mc=mc@entry=0x7f1f1f708370, > key=key@entry=0x7f1f1f708770, data=data@entry=0x7f1f1f7070f0, > op=op@entry=MDB_SET, > exactp=exactp@entry=0x7f1f1f7070d4) at mdb.c:4307 > #11 0x00007f1f41559c8d in mdb_cursor_put (mc=0x7f1f1f708370, key=0x7f1f1f708770, > data=0x7f1f1f708790, flags=0) at mdb.c:4672 > #12 0x00007f1f4155bdc9 in mdb_put (txn=<optimized out>, dbi=<optimized out>, > key=0x7f1f1f708770, data=0x7f1f1f708790, flags=<optimized out>) at mdb.c:6599 > > Also under Valgrind: > ==7503== Warning: set address range perms: large range [0x3959d000, 0x7959d000) > (defined) > **7503** custom_sigaction, signal 6 at 0x51B6EEC: > VALGRIND_PRINTF_BACKTRACE(char const*, ...) (valgrind.h:3771) > ==7503== by 0x51B72A1: img2::custom_sigaction(int) (conf.cpp:77) > ==7503== by 0x985B4EF: ??? (in /lib/x86_64-linux-gnu/libc-2.13.so) > ==7503== by 0x985B474: raise (raise.c:64) > ==7503== by 0x985E6EF: abort (abort.c:92) > ==7503== by 0x9854620: __assert_fail (assert.c:81) > ==7503== by 0xEDD9CCC: mdb_page_search_root (mdb.c:3778) > ==7503== by 0xEDD8679: mdb_page_search (mdb.c:3908) > ==7503== by 0xEDD8F78: mdb_cursor_set (mdb.c:4268) > ==7503== by 0xEDD8EB0: mdb_cursor_set (mdb.c:4316) > ==7503== by 0xEDDFCA8: mdb_del (mdb.c:6165) > > -- -- 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#7428) libldap: use non-blocking IO during TLS handshake
by rhafer＠suse.de 21 Nov '12

21 Nov '12

I just pushed latest incarnation of my patch to master. The code in currently hidden behind #ifdefs (mainly for the NSS issues outlined on -devel) and I switch back again to using LDAP_OPT_NETWORK_TIMEOUT for TLS handshake timeouts. regards, Ralf On Thu, Nov 01, 2012 at 05:22:42PM +0000, rhafer(a)suse.de wrote: > > Currently libldap is using blocking IO when performing the SSL handshake for > ldaps:// connections (and when performing the StartTLS operation). The can lead > to the client blocking forever in the ssl lib (in SSL_connect in case of > openssl) if e.g. the server for whatever reason stops responding. It would be > very helpful if libldap would use non-blocking IO during the handshake at least > when LDAP_OPT_NETWORK_TIMEOUT (or LDAP_OPT_TIMEOUT?) are set.

1 0

(ITS#7448) "assertion failed" in MDB
by artemciy＠gmail.com 20 Nov '12

20 Nov '12

Full_Name: Artem Grinblat Version: git, commit be781ab8081d7e9ad1eb89da81077c7f936a5604 OS: Debian Wheezy URL: Submission from: (NULL) (213.108.212.44) MDB works okay for some time, then crashes with mdb.c:3778: mdb_page_search_root: Assertion `(((mp)->mp_pb.pb.pb_lower - ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1' failed. (gdb) bt #0 WriteCoreDump (file_name=0x7f1f1f705fa0 "/tmp/tntnet.5541.core") at src/coredumper.c:192 #1 0x00007f1f4b163da9 in img2::writeCore (path=0x7f1f1f705fa0 "/tmp/tntnet.5541.core") at src/conf.cpp:49 #2 0x00007f1f4b16145d in img2::custom_sigaction (signum=6) at src/conf.cpp:89 #3 <signal handler called> #4 0x00007f1f469ba475 in *__GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 #5 0x00007f1f469bd6f0 in *__GI_abort () at abort.c:92 #6 0x00007f1f469b3621 in *__GI___assert_fail ( assertion=assertion@entry=0x7f1f4155cdb0 "(((mp)->mp_pb.pb.pb_lower - ((unsigned) __builtin_offsetof (MDB_page, mp_ptrs))) >> 1) > 1", file=<optimized out>, file@entry=0x7f1f4155cb30 "mdb.c", line=line@entry=3778, function=function@entry=0x7f1f4155d360 "mdb_page_search_root") at assert.c:81 #7 0x00007f1f41555ccd in mdb_page_search_root (mc=mc@entry=0x7f1f1f708500, key=key@entry=0x0, modify=modify@entry=0) at mdb.c:3778 #8 0x00007f1f4155467a in mdb_page_search (mc=mc@entry=0x7f1f1f708500, key=key@entry=0x0, flags=flags@entry=0) at mdb.c:3908 #9 0x00007f1f41554a07 in mdb_cursor_first (mc=0x7f1f1f708500, key=key@entry=0x7f1f1f7070f0, data=data@entry=0x0) at mdb.c:4354 #10 0x00007f1f4155517e in mdb_cursor_set (mc=mc@entry=0x7f1f1f708370, key=key@entry=0x7f1f1f708770, data=data@entry=0x7f1f1f7070f0, op=op@entry=MDB_SET, exactp=exactp@entry=0x7f1f1f7070d4) at mdb.c:4307 #11 0x00007f1f41559c8d in mdb_cursor_put (mc=0x7f1f1f708370, key=0x7f1f1f708770, data=0x7f1f1f708790, flags=0) at mdb.c:4672 #12 0x00007f1f4155bdc9 in mdb_put (txn=<optimized out>, dbi=<optimized out>, key=0x7f1f1f708770, data=0x7f1f1f708790, flags=<optimized out>) at mdb.c:6599 Also under Valgrind: ==7503== Warning: set address range perms: large range [0x3959d000, 0x7959d000) (defined) **7503** custom_sigaction, signal 6 at 0x51B6EEC: VALGRIND_PRINTF_BACKTRACE(char const*, ...) (valgrind.h:3771) ==7503== by 0x51B72A1: img2::custom_sigaction(int) (conf.cpp:77) ==7503== by 0x985B4EF: ??? (in /lib/x86_64-linux-gnu/libc-2.13.so) ==7503== by 0x985B474: raise (raise.c:64) ==7503== by 0x985E6EF: abort (abort.c:92) ==7503== by 0x9854620: __assert_fail (assert.c:81) ==7503== by 0xEDD9CCC: mdb_page_search_root (mdb.c:3778) ==7503== by 0xEDD8679: mdb_page_search (mdb.c:3908) ==7503== by 0xEDD8F78: mdb_cursor_set (mdb.c:4268) ==7503== by 0xEDD8EB0: mdb_cursor_set (mdb.c:4316) ==7503== by 0xEDDFCA8: mdb_del (mdb.c:6165)

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Re: (ITS#7447) backsql and german umlaute
by metzdorf＠geograt.de 20 Nov '12

20 Nov '12

The umlaut's are gone while posting. So i will try to describe: The search expression is "search<lower umlaut a>o<lower umlaut o>u...". This is converted to "SEARCH<lower umlaut a>O<lower umlaut o>U" in the SELECT statement. The expected is "SEARCH<upper umlaut a>O<upper umlaut o>U". -- Herbert Metzdorf

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