--047d7b5d285813733e04fa73805f Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
2014-05-28 13:47 GMT+04:00 Howard Chu <[email protected]>: [email protected] wrote: > >> Full_Name: Vadim Prozorov >> Version: 2.4.38 >> OS: RHEL 6.3 >> URL: ftp://ftp.openldap.org/incoming/ >> Submission from: (NULL) (91.210.4.1) >> >> >> Hello, >> >> I'm using slapd (2.4.38 release) built from sources on RHEL 6.3 64bit. >> Build params: >> LD_LIBRARY_PATH=3D"/usr/lib:/usr/local/lib:/opt/local/BerkeleyDB.5.3/lib= " >> LDFLAGS=3D"-L/usr/local/lib -L/opt/local/BerkeleyDB.5.3/lib" >> CPPFLAGS=3D"-I/usr/local/include -I/opt/local/BerkeleyDB.5.3/include" >> ./configure >> --prefix=3D/opt/local/OpenLDAP --enable-dynacl --enable-ldap >> =E2=80=94enable-overlays >> --disable-static --enable-dynamic >> >> slapd works in master-master sync mode on host with big amount of RAM >> (whole DB >> can fit into RAM). >> One time host was hardly restarted. After restart slapd has started, but >> crash >> on any modification (at least, from ext application; may be form replica= , >> haven't check yet). There is always the same crash stack: >> > > Did you have dbnosync configured on this backend? Looks like garbage data > got written to the freeDB. > No, DB config section is: # define MDB parameters backend mdb database mdb maxsize 20000000000 envflags writemap mapasync # end define > > (gdb) bt >> #0 mdb_xcursor_init1 (mc=3D0x7f3e1d6bbd40, node=3D0x7f3f99f46f82) at >> ./../../../libraries/liblmdb/mdb.c:6585 >> #1 0x000000000049f8eb in mdb_cursor_set (mc=3D0x7f3e1d6bbd40, >> key=3D0x7f3e1d6bbef0, >> data=3D0x0, op=3DMDB_SET_RANGE, exactp=3D<value optimized out>) at >> ./../../../libraries/liblmdb/mdb.c:5329 >> #2 0x00000000004a019f in mdb_cursor_get (mc=3D0x7f3e1d6bbd40, >> key=3D0x7f3e1d6bbef0, >> data=3D0x0, op=3D<value optimized out>) at ./../../../libraries/liblmdb/ >> mdb.c:5529 >> #3 0x000000000049e0ed in mdb_page_alloc (mc=3D<value optimized out>, nu= m=3D1, >> mp=3D0x7f3e1d6bbf68) at ./../../../libraries/liblmdb/mdb.c:1727 >> #4 0x000000000049e469 in mdb_page_touch (mc=3D0x7f3e1d6bc1d0) at >> ./../../../libraries/liblmdb/mdb.c:1911 >> #5 0x000000000049eb3a in mdb_page_search (mc=3D0x7f3e1d6bc1d0, key=3D0x= 0, >> flags=3D5) >> at ./../../../libraries/liblmdb/mdb.c:4830 >> #6 0x00000000004a7404 in mdb_freelist_save (txn=3D0x7f3e10115130) at >> ./../../../libraries/liblmdb/mdb.c:2522 >> #7 mdb_txn_commit (txn=3D0x7f3e10115130) at >> ./../../../libraries/liblmdb/mdb.c:2972 >> #8 0x00000000004a9e4e in mdb_modify (op=3D0x7f3e100028f0, >> rs=3D0x7f3e1d6bd910) at >> modify.c:664 >> #9 0x000000000043b4cb in fe_op_modify (op=3D0x7f3e100028f0, >> rs=3D0x7f3e1d6bd910) at >> modify.c:303 >> #10 0x000000000043bdf6 in do_modify (op=3D0x7f3e100028f0, >> rs=3D0x7f3e1d6bd910) at >> modify.c:177 >> #11 0x0000000000423c99 in connection_operation (ctx=3D0x7f3e1d6bda70, >> arg_v=3D0x7f3e100028f0) at connection.c:1155 >> #12 0x0000000000424475 in connection_read_thread (ctx=3D0x7f3e1d6bda70, >> argv=3D<value optimized out>) at connection.c:1291 >> #13 0x00007f3f9b6f04e8 in ldap_int_thread_pool_wrapper (xpool=3D0x16f36d= 0) >> at >> tpool.c:688 >> #14 0x0000003b6f2079d1 in start_thread () from /lib64/libpthread.so.0 >> #15 0x0000003b6eee8b6d in clone () from /lib64/libc.so.6 >> >> Crash can be reproduced by using data.mdb file on any host with the same >> slapd >> binaries. >> Also note contextCSN of DB became 'old' - it was actual on May 22 for bo= th >> instances, when reset occured, but after start context CSN shows May 21 >> and 20. >> >> Also mdb_stat utility crashes on attempt to show FreeDB data: >> $ mdb_stat -f ./data >> Freelist Status >> Tree depth: 3 >> Branch pages: 7 >> Leaf pages: 817 >> Overflow pages: 0 >> Entries: 16995 >> Segmentation fault (core dumped) >> >> >> > > -- > -- Howard Chu > CTO, Symas Corp. http://www.symas.com > Director, Highland Sun http://highlandsun.com/hyc/ > Chief Architect, OpenLDAP http://www.openldap.org/project/ > -- WBR, Vadim Prozorov --047d7b5d285813733e04fa73805f Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><br><br><div class=3D"gmail_quote"><div dir=3D"ltr"><div><= div class=3D"h5"><div class=3D"gmail_quote"><div dir=3D"ltr"><div class=3D"= gmail_extra"><div class=3D"gmail_quote">2014-05-28 13:47 GMT+04:00 Howard C= hu <span dir=3D"ltr"><<a href=3D"mailto:[email protected]"; target=3D"_blank"= >[email protected]</a>></span>:<div> <br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor= der-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:sol= id;padding-left:1ex"> <a href=3D"mailto:[email protected]"; target=3D"_blank">[email protected]</a> = wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-= left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p= adding-left:1ex"> Full_Name: Vadim Prozorov<br> Version: 2.4.38<br> OS: RHEL 6.3<br> URL: <a href=3D"ftp://ftp.openldap.org/incoming/"; target=3D"_blank">ftp://f= tp.openldap.org/<u></u>incoming/</a><br> Submission from: (NULL) (91.210.4.1)<br> <br> <br> Hello,<br> <br> I'm using slapd (2.4.38 release) built from sources on RHEL 6.3 64bit.<= br> Build params:<br> LD_LIBRARY_PATH=3D"/usr/lib:/<u></u>usr/local/lib:/opt/local/<u></u>Be= rkeleyDB.5.3/lib"<br> LDFLAGS=3D"-L/usr/local/lib -L/opt/local/BerkeleyDB.5.3/<u></u>lib&quo= t;<br> CPPFLAGS=3D"-I/usr/local/include -I/opt/local/BerkeleyDB.5.3/<u></u>in= clude" ./configure<br> --prefix=3D/opt/local/OpenLDAP --enable-dynacl --enable-ldap =E2=80=94enabl= e-overlays<br> --disable-static --enable-dynamic<br> <br> slapd works in master-master sync mode on host with big amount of RAM (whol= e DB<br> can fit into RAM).<br> One time host was hardly restarted. After restart slapd has started, but cr= ash<br> on any modification (at least, from ext application; may be form replica,<b= r> haven't check yet). There is always the same crash stack:<br> </blockquote> <br> Did you have dbnosync configured on this backend? Looks like garbage data g= ot written to the freeDB.<br></blockquote><div><br></div></div><div>No, DB = config section is:</div><div># define MDB parameters =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0</div> <div>backend<span style=3D"white-space:pre-wrap"> </span>mdb</div><div>dat= abase<span style=3D"white-space:pre-wrap"> </span>mdb</div><div>max= size<span style=3D"white-space:pre-wrap"> 20</span>000000000</div> <div>envflags<span style=3D"white-space:pre-wrap"> </span>writemap mapasync= </div><div># end define</div><div><div><div>=C2=A0</div><blockquote class= =3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;bo= rder-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"> <br> <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-= left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;p= adding-left:1ex"> (gdb) bt<br> #0 =C2=A0mdb_xcursor_init1 (mc=3D0x7f3e1d6bbd40, node=3D0x7f3f99f46f82) at<= br> ./../../../libraries/liblmdb/<u></u>mdb.c:6585<br> #1 =C2=A00x000000000049f8eb in mdb_cursor_set (mc=3D0x7f3e1d6bbd40, key=3D0= x7f3e1d6bbef0,<br> data=3D0x0, op=3DMDB_SET_RANGE, exactp=3D<value optimized out>) at<br= > ./../../../libraries/liblmdb/<u></u>mdb.c:5329<br> #2 =C2=A00x00000000004a019f in mdb_cursor_get (mc=3D0x7f3e1d6bbd40, key=3D0= x7f3e1d6bbef0,<br> data=3D0x0, op=3D<value optimized out>) at ./../../../libraries/liblm= db/<u></u>mdb.c:5529<br> #3 =C2=A00x000000000049e0ed in mdb_page_alloc (mc=3D<value optimized out= >, num=3D1,<br> mp=3D0x7f3e1d6bbf68) at ./../../../libraries/liblmdb/<u></u>mdb.c:1727<br> #4 =C2=A00x000000000049e469 in mdb_page_touch (mc=3D0x7f3e1d6bc1d0) at<br> ./../../../libraries/liblmdb/<u></u>mdb.c:1911<br> #5 =C2=A00x000000000049eb3a in mdb_page_search (mc=3D0x7f3e1d6bc1d0, key=3D= 0x0, flags=3D5)<br> at ./../../../libraries/liblmdb/<u></u>mdb.c:4830<br> #6 =C2=A00x00000000004a7404 in mdb_freelist_save (txn=3D0x7f3e10115130) at<= br> ./../../../libraries/liblmdb/<u></u>mdb.c:2522<br> #7 =C2=A0mdb_txn_commit (txn=3D0x7f3e10115130) at<br> ./../../../libraries/liblmdb/<u></u>mdb.c:2972<br> #8 =C2=A00x00000000004a9e4e in mdb_modify (op=3D0x7f3e100028f0, rs=3D0x7f3e= 1d6bd910) at<br> modify.c:664<br> #9 =C2=A00x000000000043b4cb in fe_op_modify (op=3D0x7f3e100028f0, rs=3D0x7f= 3e1d6bd910) at<br> modify.c:303<br> #10 0x000000000043bdf6 in do_modify (op=3D0x7f3e100028f0, rs=3D0x7f3e1d6bd9= 10) at<br> modify.c:177<br> #11 0x0000000000423c99 in connection_operation (ctx=3D0x7f3e1d6bda70,<br> arg_v=3D0x7f3e100028f0) at connection.c:1155<br> #12 0x0000000000424475 in connection_read_thread (ctx=3D0x7f3e1d6bda70,<br> argv=3D<value optimized out>) at connection.c:1291<br> #13 0x00007f3f9b6f04e8 in ldap_int_thread_pool_wrapper (xpool=3D0x16f36d0) = at<br> tpool.c:688<br> #14 0x0000003b6f2079d1 in start_thread () from /lib64/libpthread.so.0<br> #15 0x0000003b6eee8b6d in clone () from /lib64/libc.so.6<br> <br> Crash can be reproduced by using data.mdb file on any host with the same sl= apd<br> binaries.<br> Also note contextCSN of DB became 'old' - it was actual on May 22 f= or both<br> instances, when reset occured, but after start context CSN shows May 21 and= 20.<br> <br> Also mdb_stat utility crashes on attempt to show FreeDB data:<br> $ mdb_stat -f ./data<br> Freelist Status<br> =C2=A0 =C2=A0Tree depth: 3<br> =C2=A0 =C2=A0Branch pages: 7<br> =C2=A0 =C2=A0Leaf pages: 817<br> =C2=A0 =C2=A0Overflow pages: 0<br> =C2=A0 =C2=A0Entries: 16995<br> Segmentation fault (core dumped)<br> <br> <br><span><font color=3D"#888888"> </font></span></blockquote><span><font color=3D"#888888"> <br> <br> -- <br> =C2=A0 -- Howard Chu<br> =C2=A0 CTO, Symas Corp. =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"http:= //www.symas.com" target=3D"_blank">http://www.symas.com</a><br> =C2=A0 Director, Highland Sun =C2=A0 =C2=A0 <a href=3D"http://highlandsun.c= om/hyc/" target=3D"_blank">http://highlandsun.com/hyc/</a><br> =C2=A0 Chief Architect, OpenLDAP =C2=A0<a href=3D"http://www.openldap.org/p= roject/" target=3D"_blank">http://www.openldap.org/<u></u>project/</a><br> </font></span></blockquote></div></div></div><span><font color=3D"#888888">= <br></font></span></div></div></div>--</div></div><div>WBR,</div><div>Vadim= Prozorov</div></div></div> </div> --047d7b5d285813733e04fa73805f--
