[Samba] replication fails after internal error 11 / panic

L.P.H. van Belle belle at bazuin.nl
Tue Jan 5 10:42:37 UTC 2016


Hai MJ,  ( gelukkig nieuwjaar he ..  ;-) )

First, why sernet 4.2.5 current is 4.2.7 Upgrade to 4.2.7 first i suggest. 

And : Last attempt @ Wed Nov 11  <=  11 Nov ? latest really? 

The "misbehaving server" check the time first. 

Try to run : 
knit Administrator
samba-tool drs replicate <destinationDC> <sourceDC> --full-sync -k 

reboot your server, check time, check logs. 

Ow and for you to know. You mail A/MX are wrong for list. 
<lists at merit.unu.edu>: host     postoffice.merit.unu.edu[2001:610:1208:6:192:87:143:1] said: 550 No RDNS
    entry for 2002:c386:ad78::1 (in reply to RCPT TO command)

2002:c386:ad78::1 should resolve back to ipv4. My server does not have a "real ipv6" number


Greetz, 

Louis



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens lists
> Verzonden: dinsdag 5 januari 2016 11:10
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] replication fails after internal error 11 / panic
> 
> Hi,
> 
> We have three DC's, and one of them has been misbehaving a few times
> lately, stopping to replicate, showing the following error in samba-tool
> drs showrepl, for all DC partitions:
> 
> > DC=DomainDnsZones,DC=samba,DC=company,DC=com
> > 	Default-First-Site-Name\DC2 via RPC
> > 		DSA object GUID: 5e93a102-2963-496a-af16-0c51eebb2e31
> > 		Last attempt @ Wed Nov 11 06:41:21 2015 CET failed, result 121
> (WERR_SEM_TIMEOUT)
> > 		4 consecutive failure(s).
> > 		Last success @ Wed Nov 11 06:24:34 2015 CET
> 
> Similar behaviour for this DC2 has also been observed when this DC2 was
> still on 4.1.17-sernet. I upgraded to 4.2.5-sernet, hoping that this
> would perhaps solve the issue.
> 
> 
> I have a loglevel 3 log from that DC2, and it shows the following:
> 
> > [2015/11/11 06:25:10.644343,  0] ../lib/util/fault.c:78(fault_report)
> >   ===============================================================
> > [2015/11/11 06:25:10.665628,  0] ../lib/util/fault.c:79(fault_report)
> >   INTERNAL ERROR: Signal 11 in pid 5871 (4.2.5-SerNet-Debian-8.wheezy)
> >   Please read the Trouble-Shooting section of the Samba HOWTO
> > [2015/11/11 06:25:10.665969,  0] ../lib/util/fault.c:81(fault_report)
> >   ===============================================================
> > [2015/11/11 06:25:10.666235,  0]
> ../lib/util/fault.c:151(smb_panic_default)
> >   PANIC: internal error
> > [2015/11/11 06:25:11.944174,  0]
> ../source4/smbd/server.c:370(binary_smbd_main)
> >   samba version 4.2.5-SerNet-Debian-8.wheezy started.
> 
> This DC2 has only been running very short, after a scheduled reboot for
> backup:
> 
> > [2015/11/11 06:25:07.434308,  0]
> ../source4/smbd/server.c:370(binary_smbd_main)
> >   samba version 4.2.5-SerNet-Debian-8.wheezy started.
> >   Copyright Andrew Tridgell and the Samba Team 1992-2014
> 
> ...cutting many uninteresting "GENSEC/AUTH/NTVFS backend registered"
> lines, and then samba suddenly seems to start AGAIN..:
> 
> > [2015/11/11 06:25:07.682194,  3]
> ../source4/param/share.c:124(share_register)
> >   SHARE backend [ldb] registered.
> > [2015/11/11 06:25:07.710416,  0] ../source4/smbd/server.c:116(sig_term)
> >   SIGTERM: killing children
> > [2015/11/11 06:25:07.711006,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5802 on SIGTERM
> > [2015/11/11 06:25:07.871830,  0]
> ../source4/smbd/server.c:370(binary_smbd_main)
> >   samba version 4.2.5-SerNet-Debian-8.wheezy started.
> >   Copyright Andrew Tridgell and the Samba Team 1992-2014
> > [2015/11/11 06:25:07.872809,  3]
> ../source4/smbd/server.c:381(binary_smbd_main)
> >   Becoming a daemon.
> > [2015/11/11 06:25:07.893288,  3]
> ../auth/gensec/gensec_start.c:891(gensec_register)
> >   GENSEC backend 'gssapi_spnego' registered
> 
> ...cutting again many uninteresting "GENSEC/AUTH/NTVFS backend
> registered" lines
> and then samba seems to start AGAIN, generating the INTERNAL ERROR /
> PANIC:
> 
> > [2015/11/11 06:25:09.195430,  2]
> ../source4/dsdb/kcc/kcc_service.c:127(kccsrv_load_partitions)
> >   kccsrv_partition[DC=ForestDnsZones,DC=samba,DC=company,DC=com] loaded
> > [2015/11/11 06:25:09.220257,  0] ../source4/smbd/server.c:116(sig_term)
> >   SIGTERM: killing children
> > [2015/11/11 06:25:09.220557,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5839 on SIGTERM
> > [2015/11/11 06:25:09.222634,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5865 on SIGTERM
> > [2015/11/11 06:25:09.226357,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5863 on SIGTERM
> > [2015/11/11 06:25:09.229021,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5858 on SIGTERM
> > [2015/11/11 06:25:09.230342,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5857 on SIGTERM
> > [2015/11/11 06:25:09.234441,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5851 on SIGTERM
> > [2015/11/11 06:25:09.238290,  0] ../source4/smbd/server.c:121(sig_term)
> > [2015/11/11 06:25:09.239373,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5845 on SIGTERM
> >   Exiting pid 5849 on SIGTERM
> > [2015/11/11 06:25:09.239002,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5846 on SIGTERM
> > [2015/11/11 06:25:09.250624,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5867 on SIGTERM
> > [2015/11/11 06:25:09.294308,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5853 on SIGTERM
> > [2015/11/11 06:25:09.310302,  0] ../source4/smbd/server.c:121(sig_term)
> >   Exiting pid 5871 on SIGTERM
> > [2015/11/11 06:25:10.644343,  0] ../lib/util/fault.c:78(fault_report)
> >   ===============================================================
> > [2015/11/11 06:25:10.665628,  0] ../lib/util/fault.c:79(fault_report)
> >   INTERNAL ERROR: Signal 11 in pid 5871 (4.2.5-SerNet-Debian-8.wheezy)
> >   Please read the Trouble-Shooting section of the Samba HOWTO
> > [2015/11/11 06:25:10.665969,  0] ../lib/util/fault.c:81(fault_report)
> >   ===============================================================
> > [2015/11/11 06:25:10.666235,  0]
> ../lib/util/fault.c:151(smb_panic_default)
> >   PANIC: internal error
> > [2015/11/11 06:25:11.944174,  0]
> ../source4/smbd/server.c:370(binary_smbd_main)
> >   samba version 4.2.5-SerNet-Debian-8.wheezy started.
> >   Copyright Andrew Tridgell and the Samba Team 1992-2014
> 
> ... again cutting many uninteresting "GENSEC/AUTH/NTVFS backend
> registered" lines, but then errors start appearing:
> 
> > [2015/11/11 06:25:13.279170,  2]
> ../source4/dsdb/kcc/kcc_service.c:127(kccsrv_load_partitions)
> >   kccsrv_partition[DC=samba,DC=company,DC=com] loaded
> > [2015/11/11 06:25:13.279312,  2]
> ../source4/dsdb/kcc/kcc_service.c:127(kccsrv_load_partitions)
> >   kccsrv_partition[DC=DomainDnsZones,DC=samba,DC=company,DC=com] loaded
> > [2015/11/11 06:25:13.279465,  2]
> ../source4/dsdb/kcc/kcc_service.c:127(kccsrv_load_partitions)
> >   kccsrv_partition[DC=ForestDnsZones,DC=samba,DC=company,DC=com] loaded
> > [2015/11/11 06:25:13.293693,  3]
> ../source4/dsdb/dns/dns_update.c:340(dnsupdate_check_names)
> >   Calling DNS name update script
> > [2015/11/11 06:25:13.343947,  3] ../lib/ldb-
> samba/ldb_wrap.c:321(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2015/11/11 06:25:13.358502,  3]
> ../source4/dsdb/dns/dns_update.c:355(dnsupdate_check_names)
> >   Calling SPN name update script
> > [2015/11/11 06:25:14.546779,  3]
> ../source4/smbd/service_stream.c:66(stream_terminate_connection)
> >   Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
> > [2015/11/11 06:25:14.552054,  3]
> ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
> > [2015/11/11 06:25:14.585066,  3] ../lib/ldb-
> samba/ldb_wrap.c:321(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2015/11/11 06:25:14.918680,  3]
> ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:74(dcesrv_drsuapi_DsBind)
> >   ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:74: doing DsBind with
> system_session
> > [2015/11/11 06:25:14.953473,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (c94b2499-9cc1-
> 4006-9c6e-15f0b45195c0, DC=DomainDnsZones,DC=samba,DC=company,DC=com,
> 9a3d9130-45f3-43b6-bbf4-189c19764bd5._msdcs.samba.company.com)
> > [2015/11/11 06:25:14.969835,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (4105c810-4199-
> 4656-b8bf-7e5cdbc806cc, DC=ForestDnsZones,DC=samba,DC=company,DC=com,
> 9a3d9130-45f3-43b6-bbf4-189c19764bd5._msdcs.samba.company.com)
> > [2015/11/11 06:25:14.983136,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (a8bce1ff-7069-
> 4a19-a431-10b1030a091c, CN=Configuration,DC=samba,DC=company,DC=com,
> 9a3d9130-45f3-43b6-bbf4-189c19764bd5._msdcs.samba.company.com)
> > [2015/11/11 06:25:14.995523,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (889bb0b6-78d7-
> 4308-8d87-3cd1fadcd0ac, DC=samba,DC=company,DC=com, 9a3d9130-45f3-43b6-
> bbf4-189c19764bd5._msdcs.samba.company.com)
> > [2015/11/11 06:25:15.015289,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (202e8a1f-e148-
> 45cf-9529-a3dccd6bfbf4,
> CN=Schema,CN=Configuration,DC=samba,DC=company,DC=com, 9a3d9130-45f3-43b6-
> bbf4-189c19764bd5._msdcs.samba.company.com)
> > [2015/11/11 06:25:15.921925,  3]
> ../source4/smbd/service_stream.c:66(stream_terminate_connection)
> >   Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
> > [2015/11/11 06:25:15.922318,  3]
> ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
> > [2015/11/11 06:25:15.959523,  3] ../lib/ldb-
> samba/ldb_wrap.c:321(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2015/11/11 06:25:15.963878,  3]
> ../libcli/nbt/lmhosts.c:185(resolve_lmhosts_file_as_sockaddr)
> >   resolve_lmhosts: Attempting lmhosts lookup for name 9a3d9130-45f3-
> 43b6-bbf4-189c19764bd5._msdcs.samba.company.com<0x20>
> > [2015/11/11 06:25:16.024192,  3]
> ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:74(dcesrv_drsuapi_DsBind)
> >   ../source4/rpc_server/drsuapi/dcesrv_drsuapi.c:74: doing DsBind with
> system_session
> > [2015/11/11 06:25:16.055259,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (c94b2499-9cc1-
> 4006-9c6e-15f0b45195c0, DC=DomainDnsZones,DC=samba,DC=company,DC=com,
> 59f2b0eb-9e21-437d-a6d0-178edabee2b3._msdcs.samba.company.com)
> > [2015/11/11 06:25:16.074855,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (4105c810-4199-
> 4656-b8bf-7e5cdbc806cc, DC=ForestDnsZones,DC=samba,DC=company,DC=com,
> 59f2b0eb-9e21-437d-a6d0-178edabee2b3._msdcs.samba.company.com)
> > [2015/11/11 06:25:16.086656,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (a8bce1ff-7069-
> 4a19-a431-10b1030a091c, CN=Configuration,DC=samba,DC=company,DC=com,
> 59f2b0eb-9e21-437d-a6d0-178edabee2b3._msdcs.samba.company.com)
> > [2015/11/11 06:25:16.093633,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (889bb0b6-78d7-
> 4308-8d87-3cd1fadcd0ac, DC=samba,DC=company,DC=com, 59f2b0eb-9e21-437d-
> a6d0-178edabee2b3._msdcs.samba.company.com)
> > [2015/11/11 06:25:16.103275,  3]
> ../source4/dsdb/repl/drepl_service.c:202(_drepl_schedule_replication)
> >   _drepl_schedule_replication: forcing sync of partition (202e8a1f-e148-
> 45cf-9529-a3dccd6bfbf4,
> CN=Schema,CN=Configuration,DC=samba,DC=company,DC=com, 59f2b0eb-9e21-437d-
> a6d0-178edabee2b3._msdcs.samba.company.com)
> > [2015/11/11 06:25:16.184653,  3]
> ../libcli/nbt/lmhosts.c:185(resolve_lmhosts_file_as_sockaddr)
> >   resolve_lmhosts: Attempting lmhosts lookup for name 9a3d9130-45f3-
> 43b6-bbf4-189c19764bd5._msdcs.samba.company.com<0x20>
> > [2015/11/11 06:25:16.371331,  3] ../lib/ldb-
> samba/ldb_wrap.c:321(ldb_wrap_connect)
> >   ldb_wrap open of secrets.ldb
> > [2015/11/11 06:25:16.569542,  3]
> ../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ DC2$@samba.company.com from ipv4:1.2.3.15:42187 for
> GC/DC3.samba.company.com/samba.company.com at samba.company.com
> [canonicalize]
> > [2015/11/11 06:25:16.695476,  3]
> ../source4/auth/kerberos/krb5_init_context.c:80(smb_krb5_debug_wrapper)
> >   Kerberos: TGS-REQ authtime: 2015-11-11T06:25:16 starttime: 2015-11-
> 11T06:25:16 endtime: 2015-11-11T16:25:16 renew till: unset
> > [2015/11/11 06:25:16.827388,  2]
> ../source4/dsdb/repl/replicated_objects.c:944(dsdb_replicated_objects_comm
> it)
> >   Replicated 0 objects (0 linked attributes) for
> DC=DomainDnsZones,DC=samba,DC=company,DC=com
> > [2015/11/11 06:25:16.847477,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered DC2<00> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.847700,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered DC2<03> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.847736,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered DC2<20> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.911943,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered SAMDOM<1b> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.912043,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered SAMDOM<1c> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.912079,  3]
> ../source4/nbt_server/register.c:154(nbtd_register_name_handler)
> >   Registered SAMDOM<00> with 1.2.3.15 on interface 1.2.3.255
> > [2015/11/11 06:25:16.946674,  3]
> ../source4/smbd/service_stream.c:66(stream_terminate_connection)
> >   Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
> > [2015/11/11 06:25:16.947050,  3]
> ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
> > [2015/11/11 06:25:16.968982,  2]
> ../source4/dsdb/repl/replicated_objects.c:944(dsdb_replicated_objects_comm
> it)
> >   Replicated 0 objects (0 linked attributes) for
> DC=ForestDnsZones,DC=samba,DC=company,DC=com
> > [2015/11/11 06:25:16.990366,  3]
> ../source4/smbd/service_stream.c:66(stream_terminate_connection)
> >   Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
> > [2015/11/11 06:25:16.990714,  3]
> ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
> > [2015/11/11 06:25:17.026260,  3]
> ../source4/smbd/service_stream.c:66(stream_terminate_connection)
> >   Terminating connection - 'dcesrv: NT_STATUS_CONNECTION_DISCONNECTED'
> > [2015/11/11 06:25:17.026644,  3]
> ../source4/smbd/process_single.c:114(single_terminate)
> >   single_terminate: reason[dcesrv: NT_STATUS_CONNECTION_DISCONNECTED]
> 
> Ideas, anyone?
> 
> MJ
> 
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