2 Samba4-DCs with OpenLDAP 2.4.8 in Multi-Master-Replication

[Jelmer Vernooij]

Hi Oliver,

On Sa, 2008-04-05 at 15:50 +0200, Oliver Liebel wrote: 
> Setup First DC1 (hostname samba4) with OL as Backend.
> Backend-Provisioning with:
> #> bin/smbpython setup/provision-backend --realm=LDAP.LOCAL.SITE 
> --domain=LDAP --ldap-manager-pass=linux --ldap-backend-type=openldap 
> --simple-bind-dn="cn=Manager,dc=ldap,dc=local,dc=site"
> 
> - slapd.conf creation only works correct if an smb.conf with the wanted 
> settings exist, otherwise the hostname [cn=samba4]  is used as Base-DN, 
> tested it several times
> 
> started slapd on DC1 listening on port 9000,
> then started provison with:
> #> bin/smbpython setup/provision  --realm=LDAP.LOCAL.SITE --domain=LDAP 
> --ldap-backend-type=openldap 
> --ldap-backend='ldap://samba4.ldap.local.site:9000/' 
> --simple-bind-dn='cn=Manager,dc=ldap,dc=local,dc=site' 
> --server-role='domain controller' --adminpass=linux
> 
>  - final provisioning only seems to work if the previous used smb.conf 
> is removed, otherwise the provision failed with:
Volker also hit this bug earlier. I suspect it's a regression introduced
by e906ae041a2b589ffceff97b74f7c4b01386382a and hope to fix it this
weekend.

> after that, same procedure on DC2 (samba4dc2),
> using the domain-sid from DC1 for provision,
> with second slapd listening on DC2 on port 9000, everything ok.
> after that, stopped smbd an slapd on DC2, then tried to join DC1, where 
> the following error occurs:
> 
> /#> net join LDAP BDC -U administrator -d 4
> ....
> failed to get principal from default ccache: No such file or directory: 
> open(/tmp/krb5cc_0): No such file or directory
> GENSEC backend 'sasl-DIGEST-MD5' registered
> ....
> We still need to perform a DsAddEntry() so that we can create the 
> CN=NTDS Settings container.
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> INTERNAL ERROR: Signal 11 in pid 5695 (4.0.0alpha4-GIT-UNKNOWN)
> Please read the file BUGS.txt in the distribution
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> PANIC: internal error
> BACKTRACE: 23 stack frames:
>  #0 net(call_backtrace+0x2b) [0x84a7e23]
>  #1 net(smb_panic+0x266) [0x84a815d]
>  #2 net [0x84a82f8]
>  #3 net(fault_setup+0) [0x84a832d]
>  #4 [0xffffe420]
>  #5 /usr/local/samba/lib/samba/ldb/update_keytab.so(config_path+0x1d) 
> [0xb77ed2b0]
>  #6 
> /usr/local/samba/lib/samba/ldb/update_keytab.so(smb_krb5_init_context+0x141) 
> [0xb758e13c]
>  #7 
> /usr/local/samba/lib/samba/ldb/update_keytab.so(cli_credentials_get_krb5_context+0x67) 
> [0xb7568263]
>  #8 
> /usr/local/samba/lib/samba/ldb/update_keytab.so(cli_credentials_set_keytab_name+0x42) 
> [0xb756922b]
>  #9 
> /usr/local/samba/lib/samba/ldb/update_keytab.so(cli_credentials_set_secrets+0x6e9) 
> [0xb7567641]
>  #10 /usr/local/samba/lib/samba/ldb/update_keytab.so [0xb756538d]
>  #11 /usr/local/samba/lib/samba/ldb/update_keytab.so [0xb756554d]
>  #12 net(ldb_request+0x1ec) [0x84dd38c]
>  #13 net [0x84dcf4f]
>  #14 net(ldb_delete+0x87) [0x84de252]
>  #15 net [0x80bb141]
>  #16 net(libnet_Join+0x6e) [0x80bb5d3]
>  #17 net(net_join+0x212) [0x80b3836]
>  #18 net(net_run_function+0xc5) [0x80b2a19]
>  #19 net [0x80b2eba]
>  #20 net(main+0x22) [0x80b2f59]
>  #21 /lib/libc.so.6(__libc_start_main+0xe0) [0xb7d65fe0]
>  #22 net [0x80b28f1]
> Aborted/
Any chance you can post a gdb backtrace of this?

With what flags did you run ./configure ?

Cheers,

Jelmer
-- 
Jelmer Vernooij <jelmer at samba.org> - http://samba.org/~jelmer/
Jabber: jelmer at jabber.fsfe.org
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