[Samba] Winbindd (tdb_chainlock_with_timeout_internal: alarm (40) timed out for key)

[Amit Kumar]

Hey,

But What's the reason of this error?


On 05/25/2018 04:58 AM, Carlos via samba wrote:
> Hi!
>
> Thanks  for answer!
>
> In future my plan is update, but this momento is no possible.. :-|
>
> But, same error, in same time, in 3 server, is very strange....
>
> Regards;
>
>
> On 24-05-2018 15:38, Rowland Penny via samba wrote:
>> On Thu, 24 May 2018 09:32:56 -0300
>> Carlos via samba <samba at lists.samba.org> wrote:
>>
>>> Hi!
>>>
>>> I have 3 server:
>>>
>>> S.O. -  Debina 8
>>>
>>> Winbind Version : 2:4.2.10+dfsg-0+deb8u3
>>>
>>> Member Domain
>>>
>>> Samba Server : Ubuntu 14.04 with Samba 4.7.7 , are 18 Dcs
>>>
>>> ---------------------
>>>
>>>
>>> In day 21/05 , the 3 server have same problema in same time, th
>>> problem resolved after 40 minutes....
>>>
>>> Syslog server 1/2/3:
>>>
>>> May 21 08:14:12  winbindd[6718]: [2018/05/21 08:14:12.288624,  0]
>>> ../source3/winbindd/winbindd_dual.c:105(child_write_response)
>>> May 21 08:14:12  winbindd[6718]:   Could not write result
>>> May 21 08:15:01  CRON[32667]: (root) CMD (command -v debian-sa1 >
>>> /dev/null && debian-sa1 1 1)
>>>
>>> May 21 08:15:26  winbindd[28719]: [2018/05/21 08:15:26.341870,  0]
>>> ../source3/winbindd/winbindd_dual.c:105(child_write_response)
>>> May 21 08:15:26  winbindd[28719]:   Could not write result
>>> May 21 08:15:30  winbindd[28808]: [2018/05/21 08:15:30.814572,  0]
>>> ../source3/winbindd/winbindd_dual.c:105(child_write_response)
>>> May 21 08:15:30  winbindd[28808]:   Could not write result
>>> May 21 08:15:45  winbindd[32708]: [2018/05/21 08:15:45.545910,  0]
>>> ../source3/lib/util_tdb.c:493(tdb_chainlock_with_timeout_internal)
>>> May 21 08:15:45  winbindd[32708]:
>>> tdb_chainlock_with_timeout_internal: alarm (40) timed out for key
>>> DCXXX in tdb /var/run/samba/mutex.tdb May 21 08:15:45
>>> winbindd[32708]: [2018/05/21 08:15:45.546208,
>>> 0] ../source3/winbindd/winbindd_cm.c:918(cm_prepare_connection) May
>>> 21 08:15:45  winbindd[32708]:   cm_prepare_connection: mutex grab
>>> failed for DCXXXX
>>>
>>> May 21 08:16:47  winbindd[29020]: [2018/05/21 08:16:47.246684,  0]
>>> ../source3/lib/util_tdb.c:493(tdb_chainlock_with_timeout_internal)
>>> May 21 08:16:47  winbindd[29020]:
>>> tdb_chainlock_with_timeout_internal: alarm (40) timed out for key
>>> DCYYY in tdb /var/run/samba/mutex.tdb May 21 08:16:47
>>> winbindd[29020]: [2018/05/21 08:16:47.246803,
>>> 0] ../source3/winbindd/winbindd_cm.c:918(cm_prepare_connection) May
>>> 21 08:16:47  winbindd[29020]:   cm_prepare_connection: mutex grab
>>> failed for DCYYYY May 21 08:16:54  winbindd[29077]: [2018/05/21
>>> 08:16:54.834268,
>>> 0] ../source3/lib/util_tdb.c:493(tdb_chainlock_with_timeout_internal)
>>> May 21 08:16:54  winbindd[29077]:
>>> tdb_chainlock_with_timeout_internal: alarm (40) timed out for key
>>> DCXXXX in tdb /var/run/samba/mutex.tdb May 21 08:16:54
>>> winbindd[29077]: [2018/05/21 08:16:54.834410,
>>> 0] ../source3/winbindd/winbindd_cm.c:918(cm_prepare_connection) May
>>> 21 08:16:54  winbindd[29077]:   cm_prepare_connection: mutex grab
>>> failed for DCYYYY
>>>
>>> May 21 08:17:01  CRON[1667]: (root) CMD (   cd / && run-parts
>>> --report /etc/cron.hourly)
>>> May 21 08:17:16  ldminfod[29951]: connect from 192.168.2.157
>>> (192.168.2.157) May 21 08:17:41  winbindd[29077]: [2018/05/21
>>> 08:17:41.330909,
>>> 0] ../source3/lib/util_tdb.c:493(tdb_chainlock_with_timeout_internal)
>>>
>>> -----------------
>>>
>>> Ant Idea ?
>> Either upgrade your OS, to Debian 9 (stretch) and use Louis Van Belle's
>> packages, this will get you a much later version of Samba, or ask
>> Debian. Samba 4.2.x is EOL as far as Samba is concerned.
>>
>> Rowland
>>
>
>