Re: (ITS#7715) SIGBUS when mdb is configured with writemap

[nejasmicz@gmail.com]

On Thu, Oct 3, 2013 at 2:57 PM, <hyc@symas.com> wrote:
>
> Željko NejaÅ¡miÄ? wrote:
> > On Wed, Oct 2, 2013 at 6:43 PM, <hyc@symas.com <mailto:hyc@symas.com>> wrote:
> > I ran the whole test suite for mdb, and as far as I can see, every test
> > returned OK.
> >
> > Found a new way to reproduce the SIGBUS using ldapadd on Ubuntu 12.04 firing
> > to openldap on RH 6.3:
> > ldapadd -h 172.17.101.150 -p 389 -D "cn=admin,dc=test" -w test -f test.ldif --
> > ldif file is the same as the previous ldclt command. Doubt it matters, but the
> > ldif file is 1M adds.
>
> Can you provide your slapd config and this LDIF?


LDIF file is just 1M adds of the following format:
dn: uid=XXXXXXX,ds=USERS,o=STANDARD,dc=spr
objectClass: sprUser

I've uploaded the config here: http://hastebin.com/nicecafaci.ldif

> > On the RH box:
> > - compiled openldap with -g -O0 and previously used flags
> > gdb `find /root/openldap/ -type d -printf '-d %p '` --args
> > /opt/openldap/libexec/slapd -h "ldap:/// ldapi:///" -F
> > /opt/openldap/etc/openldap/slapd.d -g openldap -u openldap -d 0
> >
> > gdb output:
> > bt -- http://hastebin.com/hefikekaxi.sh
> > bt 10 full -- http://hastebin.com/vudocosuka.sh
>
> Can you also provide the gdb output for
>    print *env

(gdb) print *env
$1 = {me_fd = 15, me_lfd = 14, me_mfd = 15, me_flags = 940113920,
me_psize = 4096,
  me_maxreaders = 126, me_numreaders = 2, me_numdbs = 13, me_maxdbs =
130, me_pid = 43974,
  me_path = 0x8c19a0 "/opt/openldap/var/openldap-data", me_map =
0x7ff6f721f000 "",
  me_txns = 0x7ffff7ffb000, me_metas = {0x7ff6f721f010,
0x7ff6f7220010}, me_txn = 0x7ff6dc10afd0,
  me_mapsize = 38654705664, me_size = 0, me_maxpg = 9437184, me_dbxs = 0x8eed10,
  me_dbflags = 0x8ceb40, me_txkey = 1, me_pgstate = {mf_pghead =
0x7ff6dc109d58, mf_pglast = 44},
  me_dpages = 0x0, me_free_pgs = 0xaf75e8, me_dirty_list =
0x7ffff721f010, me_maxfree_1pg = 509,
  me_nodemax = 2040}

>    -- Howard Chu
>    CTO, Symas Corp.           http://www.symas.com
>    Director, Highland Sun     http://highlandsun.com/hyc/
>    Chief Architect, OpenLDAP  http://www.openldap.org/project/