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




On Thu, 24 May 2018 09:32:56 -0300
Carlos via samba <samba@xxxxxxxxxxxxxxx> 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

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