[Samba] FW: Questions about Samba 4

L.P.H. van Belle belle at bazuin.nl
Wed Aug 26 15:44:44 UTC 2015


ok, i cant make i crash. but i notice my cpu load. 

17535 username     20   0  294852  13716  11520 R 100.0  1.3 280:28.70 winbindd
  542 username     20   0  291040  16720  14172 R  99.6  1.6 281:45.88 winbindd

and the funny thing.. this user isnt logged in anymore since the last 6 hours. 

Greetz, 

Louis

>-----Oorspronkelijk bericht-----
>Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
>L.P.H. van Belle
>Verzonden: woensdag 26 augustus 2015 11:50
>Aan: samba at lists.samba.org
>Onderwerp: [Samba] FW: Questions about Samba 4
>
>i found the following also ..
>
>Aug  7 08:44:10 rtd-print1 autofs[15991]: Starting automount....
>Aug  7 08:48:26 rtd-print1 autofs[16291]: Stopping automount....
>Aug  7 08:48:27 rtd-print1 automount[16302]: syntax error in 
>map near [ * server.internal.domain.tld: ]
>Aug  7 08:48:27 rtd-print1 autofs[16297]: Starting automount....
>Aug  7 08:48:46 rtd-print1 rpcbind: rpcbind terminating on 
>signal. Restart with "rpcbind -w"
>Aug  7 08:48:46 rtd-print1 rpcbind[16334]: Stopping rpcbind daemon....
>Aug  7 08:48:46 rtd-print1 rpcbind[16339]: Starting rpcbind daemon....
>
>i had an error in my automount. 
>i disabled it, for now, and.. now i recall.. this happend when 
>i logged in on ssh also.. 
>
>i'll try to reproduce this on 4.1.17 ( my proxy ) and 4.2.3 
>sernet samba my print server. 
>Since the setup of these is exact the same, both debian jessie. 
>i cant test it on wheezy, these are still in production. 
>
>Greetz, 
>
>Louis
>
>
>-----Oorspronkelijk bericht-----
>Van: L.P.H. van Belle [mailto:belle at bazuin.nl] 
>Verzonden: woensdag 26 augustus 2015 11:42
>Aan: 'samba at lists.samba.org'
>Onderwerp: RE: [Samba] Questions about Samba 4
>
>Hai 
>
>I just looked at the bug report. 
>I can say, the  error shown in comment 6, of Francois, that 
>one i have also seen. 
>i cant recall what i exactly did. 
>i found the logs with the error, i'll put it in the bug report. 
>i cant repoduce this, i upgrade to sernet samba 4.2.3. 
>ow and the upgrade was because of the windows Printe managment 
>tools, i showed wrong printers + drivers after a rename. 
>with 4.2.3 this was gone.  
>
>conf here..  and log below ..  
>
>the config was unchanged. 
>[global]
>    workgroup = INTERNAL
>    security = ADS
>    realm = INTERNAL.DOMAIN.TLD
>
>    netbios name = RTD-PRINT1
>    domain master = no
>    host msdfs = no
>
>    dedicated keytab file = /etc/krb5.keytab
>    kerberos method = secrets and keytab
>    client signing = if_required
>
>    ## map id's outside to domain to tdb files.
>    idmap config *:backend = tdb
>    idmap config *:range = 2000-9999
>
>    ## map ids from the domain  the range may not overlap !
>    idmap config INTERNAL : backend = ad
>    idmap config INTERNAL : schema_mode = rfc2307
>    idmap config INTERNAL : range = 10000-3999999
>
>    winbind nss info = rfc2307
>    winbind trusted domains only = no
>    winbind use default domain = yes
>    winbind enum users  = yes
>    winbind enum groups = yes
>    winbind refresh tickets = yes
>    winbind offline logon = yes
>
>    wins server = 192.168.0.1, 192.168.0.2
>
>    usershare path =
>    username map = /etc/samba/samba_usermapping
>
>   # For ACL support on member file server
>   vfs objects = acl_xattr
>   map acl inherit = yes
>   store dos attributes = yes
>
>    veto files = /.bash_logout/.bash_profile/.bash_history/.bashrc/
>    hide unreadable = yes
>
>    ## Enabling spoolssd
>    rpc_server:spoolss = external
>    rpc_daemon:spoolssd = fork
>
>    spoolssd:prefork_min_children = 5           # Minimum 
>number of child processes
>    spoolssd:prefork_max_children = 25          # Maximum 
>number of child processes
>    spoolssd:prefork_spawn_rate = 5             # Start (fork) 
>x new childs if one connection comes in (up to prefork_max_children)
>    spoolssd:prefork_max_allowed_clients = 100  # Number of 
>clients, a child process should be responsible for
>    spoolssd:prefork_child_min_life = 60        # Minimum 
>lifetime of a child process (60 seconds
>                                                # is the 
>minimum, even a lower value has been configured)
>
>---- log...  
>
>and a quick short version : 
>Aug  7 08:48:46 rtd-print1 rpcbind: rpcbind terminating on 
>signal. Restart with "rpcbind -w"
>Aug  7 08:48:46 rtd-print1 rpcbind[16334]: Stopping rpcbind daemon....
>Aug  7 08:48:46 rtd-print1 rpcbind[16339]: Starting rpcbind daemon....
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   STATUS=daemon 
>'winbindd' finished starting up and ready to serve 
>connections====================================================
>===========
>Aug  7 08:49:16 rtd-print1 winbindd[13862]: [2015/08/07 
>08:49:16.367256,  0] ../lib/util/fault.c:73(fault_report)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   INTERNAL ERROR: 
>Signal 11 in pid 13862 (4.1.17-Debian)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   Please read the 
>Trouble-Shooting section of the Samba HOWTO
>Aug  7 08:49:16 rtd-print1 winbindd[13862]: [2015/08/07 
>08:49:16.367371,  0] ../lib/util/fault.c:75(fault_report)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   
>===============================================================
>Aug  7 08:49:16 rtd-print1 winbindd[13862]: [2015/08/07 
>08:49:16.367577,  0] ../source3/lib/util.c:785(smb_panic_s3)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   PANIC (pid 
>13862): internal error
>Aug  7 08:49:16 rtd-print1 winbindd[13862]: [2015/08/07 
>08:49:16.375044,  0] ../source3/lib/util.c:896(log_stack_trace)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   BACKTRACE: 27 
>stack frames:
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #0 
>/usr/lib/x86_64-linux-gnu/libsmbconf.so.0(log_stack_trace+0x1a)
> [0x7fb28c4622ca]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #1 
>/usr/lib/x86_64-linux-gnu/libsmbconf.so.0(smb_panic_s3+0x20) 
>[0x7fb28c4623b0]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #2 
>/usr/lib/x86_64-linux-gnu/libsamba-util.so.0(smb_panic+0x2f) 
>[0x7fb29078ccaf]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #3 
>/usr/lib/x86_64-linux-gnu/libsamba-util.so.0(+0x1cecf) [0x7fb29078cecf]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #4 
>/lib/x86_64-linux-gnu/libpthread.so.0(+0xf8d0) [0x7fb290bbc8d0]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #5 
>/usr/lib/x86_64-linux-gnu/libkrb5.so.26(krb5_storage_free+0x1) 
>[0x7fb28af9c2a1]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #6 
>/usr/lib/x86_64-linux-gnu/libkrb5.so.26(+0x47665) [0x7fb28af81665]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #7 
>/usr/lib/x86_64-linux-gnu/samba/libgse.so.0(+0x8e06) [0x7fb28cff8e06]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #8 
>/usr/lib/x86_64-linux-gnu/samba/libgse.so.0(gse_krb5_get_server
>_keytab+0xeb) [0x7fb28cff932b]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #9 
>/usr/lib/x86_64-linux-gnu/samba/libgse.so.0(+0xb03a) [0x7fb28cffb03a]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #10 
>/usr/lib/x86_64-linux-gnu/libgensec.so.0(gensec_start_mech+0x72
>) [0x7fb28d48aab2]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #11 
>/usr/lib/x86_64-linux-gnu/libgensec.so.0(gensec_start_mech_by_o
>id+0x26) [0x7fb28d48ad96]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #12 
>/usr/sbin/winbindd(kerberos_return_pac+0x42c) [0x7fb291012cac]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #13 
>/usr/sbin/winbindd(winbindd_dual_pam_auth+0x1150) [0x7fb2910385a0]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #14 
>/usr/sbin/winbindd(+0x5fd5c) [0x7fb29104cd5c]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #15 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(+0x92cb) [0x7fb28a4bd2cb]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #16 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(+0x7797) [0x7fb28a4bb797]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #17 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d
>) [0x7fb28a4b7f9d]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #18 
>/usr/sbin/winbindd(+0x620d8) [0x7fb29104f0d8]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #19 
>/usr/sbin/winbindd(+0x627d5) [0x7fb29104f7d5]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #20 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(tevent_common_loop_imm
>ediate+0xd4) [0x7fb28a4b87c4]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #21 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(+0x908e) [0x7fb28a4bd08e]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #22 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(+0x7797) [0x7fb28a4bb797]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #23 
>/usr/lib/x86_64-linux-gnu/libtevent.so.0(_tevent_loop_once+0x8d
>) [0x7fb28a4b7f9d]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #24 
>/usr/sbin/winbindd(main+0xad4) [0x7fb291012024]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #25 
>/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) 
>[0x7fb28a12cb45]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:    #26 
>/usr/sbin/winbindd(+0x25699) [0x7fb291012699]
>Aug  7 08:49:16 rtd-print1 winbindd[13862]: [2015/08/07 
>08:49:16.380788,  0] ../source3/lib/dumpcore.c:312(dump_core)
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   unable to change 
>to /var/log/samba/cores/winbindd
>Aug  7 08:49:16 rtd-print1 winbindd[13862]:   refusing to dump core
>
>
>>-----Oorspronkelijk bericht-----
>>Van: samba [mailto:samba-bounces at lists.samba.org] Namens Rowland Penny
>>Verzonden: woensdag 26 augustus 2015 11:05
>>Aan: samba at lists.samba.org
>>Onderwerp: Re: [Samba] Questions about Samba 4
>>
>>On 26/08/15 09:55, Felix Matouschek wrote:
>>> Hi,
>>>
>>> I can reproduce that behaviour. Our winbindd crashes as well 
>>when setting that option.
>>>
>>> Greetings,
>>> Felix
>>>
>>> -----Urspr√ľngliche Nachricht-----
>>> Von: samba [mailto:samba-bounces at lists.samba.org] Im Auftrag 
>>von Jeremy Allison
>>> Gesendet: Dienstag, 25. August 2015 18:18
>>> An: Sven Schwedas
>>> Cc: samba at lists.samba.org
>>> Betreff: Re: [Samba] Questions about Samba 4
>>>
>>> On Tue, Aug 25, 2015 at 08:36:14AM +0200, Sven Schwedas wrote:
>>>> On 2015-08-24 20:55, Jeremy Allison wrote:
>>>>> On Thu, Aug 13, 2015 at 09:21:23AM +0200, Sven Schwedas wrote:
>>>>> winbindd is extremely reliable and fully supported by the Samba
>>>>> Team, please don't post FUD about Samba components. If you have
>>>>> winbindd problems, post bug reports
>>>> I did, months ago, the last bug report is still unanswered by the
>>>> Samba team and I can still reproducibly crash winbindd (and all
>>>> depending
>>>> services) trivially. Hence, no, it's not "extremely reliable", and
>>>> "full support" is not reassuring.
>>> Reproducible crashes get urgent attention. Is this something 
>>that only happens on your system, or is it reproducible elsewhere ?
>>>
>>> --
>>> To unsubscribe from this list go to the following URL and read the
>>> instructions:  https://lists.samba.org/mailman/options/samba
>>>
>>>
>>
>>Just what option are you setting?
>>I have seen posts saying 'winbind crashes' but nobody seems to 
>>post any 
>>info about what they have in smb.conf and what triggers the crash.
>>
>>Rowland
>>
>>
>>-- 
>>To unsubscribe from this list go to the following URL and read the
>>instructions:  https://lists.samba.org/mailman/options/samba
>>
>>
>
>
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