[Samba] problem this morning - need help

Thu Feb 27 02:30:49 MST 2014

Hi,

This monrning, my DC cause a problem and do a panic : 
Feb 27 07:47:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 07:51:56 cordc01 sshd[25416]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
....
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:53:57 cordc01 out of memory [10603]
Feb 27 07:56:56 cordc01 sshd[25593]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 07:57:49 cordc01 samba[10611]: [2014/02/27 07:57:49.420727,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 07:57:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 07:59:03 cordc01 syslog-ng[1423]: Log statistics; 
dropped='pipe(/dev/xconsole)=3225', dropped='pipe(/dev/tty10)=0', 
processed='center(queued)=51876', processed='center(received)=25238', 
processed='destination(messages)=12804', 
processed='destination(mailinfo)=12419', 
processed='destination(mailwarn)=11', 
processed='destination(localmessages)=0', 
processed='destination(newserr)=0', processed='destination(mailerr)=0', 
processed='destination(netmgm)=0', processed='destination(warn)=4804', 
processed='destination(console)=4702', processed='destination(null)=2', 
processed='destination(mail)=12430', 
processed='destination(xconsole)=4702', 
processed='destination(firewall)=0', processed='destination(acpid)=2', 
processed='destination(newscrit)=0', 
processed='destination(newsnotice)=0', processed='source(src)=25238'
Feb 27 08:01:56 cordc01 sshd[25825]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:06:56 cordc01 sshd[26011]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:07:49 cordc01 samba[10611]: [2014/02/27 08:07:49.336481,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 08:07:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 08:11:56 cordc01 sshd[26226]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:13:59 cordc01 samba[10603]: [2014/02/27 08:13:59.540258,  0] 
../lib/ldb-samba/ldb_wrap.c:71(ldb_wrap_debug)
Feb 27 08:13:59 cordc01 samba[10603]:   ldb: A transaction is still active 
in ldb context [0xa347a8c0] on /srv/samba/private/sam.ldb
Feb 27 08:14:10 cordc01 samba[10603]: [2014/02/27 08:14:10.204240,  0] 
../source4/lib/cmdline/popt_common.c:58(popt_s4_talloc_log_fn)
Feb 27 08:14:10 cordc01 samba[10603]:   talloc: access after free error - 
first free may be at ../lib/util/asn1.c:36
Feb 27 08:14:10 cordc01 samba[10603]: [2014/02/27 08:14:10.204583,  0] 
../source4/lib/cmdline/popt_common.c:58(popt_s4_talloc_log_fn)
Feb 27 08:14:10 cordc01 samba[10603]:   Bad talloc magic value - access 
after free
Feb 27 08:14:10 cordc01 samba[10603]: [2014/02/27 08:14:10.204642,  0] 
../lib/util/fault.c:144(smb_panic_default)
Feb 27 08:14:10 cordc01 samba[10603]:   PANIC: Bad talloc magic value - 
access after free
Feb 27 08:16:56 cordc01 sshd[26474]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:17:49 cordc01 samba[10611]: [2014/02/27 08:17:49.401062,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 08:17:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 08:21:56 cordc01 sshd[26673]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:26:56 cordc01 sshd[26872]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:27:49 cordc01 samba[10611]: [2014/02/27 08:27:49.691514,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 08:27:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 08:31:56 cordc01 sshd[27202]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:36:56 cordc01 sshd[27446]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:37:49 cordc01 samba[10611]: [2014/02/27 08:37:49.490358,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 08:37:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 08:41:56 cordc01 sshd[27702]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:46:56 cordc01 sshd[27918]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:47:49 cordc01 samba[10611]: [2014/02/27 08:47:49.553657,  0] 
../lib/util/util_runcmd.c:317(samba_runcmd_io_handler)
Feb 27 08:47:49 cordc01 samba[10611]: 
/usr/local/samba/sbin/samba_dnsupdate: interpret_interface: Adding 
interface 10.217.7.22/255.255.252.0
Feb 27 08:51:56 cordc01 sshd[28107]: Connection closed by 10.217.7.18 
[preauth]
Feb 27 08:56:56 cordc01 sshd[28359]: Connection closed by 10.217.7.18 
[preauth]

with this error, DNS resolution seems to be corrupted, unable to connect 
to DC with ADUC and nslcd not able to get users and groups :-(

restarting samba correct the problem.

samba 4.1.4 on sles 11 SP3

Is samba 4.1.5 correct this problem ?

regards

        Stéphane Purnelle

-----------------------------------
Stéphane PURNELLE                         Admin. Systèmes et Réseaux 
Service Informatique       Corman S.A.           Tel : 00 32 (0)87/342467