samba - Jul 2019 - error in sernet samba

Hi sambalist,

 I'm using sernet samba for several years. I found that there's error in
the log.samba file like this:

[2019/07/10 14:55:25.892988,  0] ../../lib/util/fault.c:79(fault_report)
  ==============================================================[2019/07/10
14:55:25.893187,  0] ../../lib/util/fault.c:80(fault_report)
  INTERNAL ERROR: Signal 11 in pid 9906 (4.10.6-SerNet-RedHat-5.el7)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2019/07/10 14:55:25.893241,  0] ../../lib/util/fault.c:82(fault_report)
  ==============================================================[2019/07/10
14:55:25.893272,  0] ../../lib/util/fault.c:128(smb_panic_default)
  smb_panic_default: PANIC (pid 9906): internal error
[2019/07/10 14:55:25.894560,  0] ../../lib/util/fault.c:261(log_stack_trace)
  BACKTRACE: 58 stack frames:
   #0 /usr/lib64/samba/libsamba-util.so.0(log_stack_trace+0x2f) [0x7f3dfe3ce32d]
   #1 /usr/lib64/samba/libsamba-util.so.0(smb_panic+0xa2) [0x7f3dfe3ce492]
   #2 /usr/lib64/samba/libsamba-util.so.0(+0x13771) [0x7f3dfe3ce771]
   #3 /lib64/libpthread.so.0(+0xf5d0) [0x7f3df0a2e5d0]
   #4 /usr/lib64/samba/ldb/dirsync.so(+0x3dbd) [0x7f3de37c3dbd]
   #5 /usr/lib64/samba/ldb/dirsync.so(+0x4b4e) [0x7f3de37c4b4e]
   #6 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) [0x7f3dfd9497dc]
   #7 /usr/lib64/samba/ldb/ranged_results.so(+0x15dc) [0x7f3ddfab65dc]
   #8 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) [0x7f3dfd9497dc]
   #9 /usr/lib64/samba/ldb/acl.so(+0x74ed) [0x7f3de43f14ed]
   #10 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #11 /usr/lib64/samba/ldb/encrypted_secrets.so(+0x3cc6) [0x7f3de31aacc6]
   #12 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #13 /usr/lib64/samba/ldb/operational.so(+0x3a5b) [0x7f3de092aa5b]
   #14 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #15 /usr/lib64/samba/ldb/extended_dn_out.so(+0x2cee) [0x7f3de2d9ccee]
   #16 /usr/lib64/samba/ldb/extended_dn_out.so(+0x354d) [0x7f3de2d9d54d]
   #17 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #18 /usr/lib64/samba/libdsdb-module-samba4.so(dsdb_next_callback+0x6d)
[0x7f3de8f24ca7]
   #19 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #20 /usr/lib64/samba/ldb/partition.so(+0x56e8) [0x7f3de03146e8]
   #21 /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144)
[0x7f3dfd9497dc]
   #22 /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search_indexed+0x6f3)
[0x7f3de1f72518]
   #23 /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search+0x368)
[0x7f3de1f6ee2e]
   #24 /usr/lib64/samba/libldb-key-value-samba4.so(+0x56a3) [0x7f3de1f6d6a3]
   #25 /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_timer_handler+0x172)
[0x7f3dfc8b5bbc]
   #26 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_timer_delay+0xa6)
[0x7f3dfc8b5d22]
   #27 /usr/lib64/samba/libtevent.so.0(+0xc180) [0x7f3dfc8b7180]
   #28 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
   #29 /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) [0x7f3dfc8b0880]
   #30 /usr/lib64/samba/libldb.so.1(ldb_wait+0x143) [0x7f3dfd946542]
   #31 /usr/lib64/samba/service/ldap.so(ldapsrv_do_call+0x81f) [0x7f3de564f53e]
   #32 /usr/lib64/samba/service/ldap.so(+0x558f) [0x7f3de564c58f]
   #33 /usr/lib64/samba/libtevent.so.0(+0x67a4) [0x7f3dfc8b17a4]
   #34
/usr/lib64/samba/libtevent.so.0(tevent_common_invoke_immediate_handler+0x125)
[0x7f3dfc8b147c]
   #35 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_immediate+0x1c)
[0x7f3dfc8b14ae]
   #36 /usr/lib64/samba/libtevent.so.0(+0xc16b) [0x7f3dfc8b716b]
   #37 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
   #38 /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) [0x7f3dfc8b0880]
   #39 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17)
[0x7f3dfc8b0a6e]
   #40 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
   #41 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) [0x7f3dfc8b0ad6]
   #42 /usr/lib64/samba/process_model/standard.so(+0x2e16) [0x7f3de99ffe16]
   #43 /usr/lib64/samba/libservice-samba4.so(+0x38b3) [0x7f3dfdd908b3]
   #44 /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_fd_handler+0x82)
[0x7f3dfc8b105f]
   #45 /usr/lib64/samba/libtevent.so.0(+0xc415) [0x7f3dfc8b7415]
   #46 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
   #47 /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) [0x7f3dfc8b0880]
   #48 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17)
[0x7f3dfc8b0a6e]
   #49 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
   #50 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) [0x7f3dfc8b0ad6]
   #51 /usr/lib64/samba/process_model/standard.so(+0x2630) [0x7f3de99ff630]
   #52 /usr/lib64/samba/libservice-samba4.so(task_server_startup+0x61)
[0x7f3dfdd91d6d]
   #53 /usr/lib64/samba/libservice-samba4.so(server_service_startup+0x15c)
[0x7f3dfdd907b3]
   #54 /usr/sbin/samba(+0x5e4d) [0x5654cae0de4d]
   #55 /usr/sbin/samba(main+0x2b) [0x5654cae0e165]
   #56 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f3deffa6495]
   #57 /usr/sbin/samba(+0x4299) [0x5654cae0c299]
[2019/07/10 14:55:25.898651,  0]
../../source4/smbd/process_standard.c:160(standard_child_pipe_handler)
  standard_child_pipe_handler: Child 9906 () terminated with signal 6

This error usually occurs after 30 minutes of restarting samba. but it seems
that the AD DC function  is not affected. Does this  bug exist in all samba or
only in sernet samba?
my OS?centos 7.6
samba version: sernet 4.9.11 or 4.10.6

Best,


yours Adam

Run : apt-get dist-upgrade 
That might pull in some extra packages or upgrade others. 
I think you ldb isnt upgraded. 

Then restart samba and winbind. 

Greetz, 

Louis
 
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> adam_xu--- via samba
> Verzonden: woensdag 10 juli 2019 9:16
> Aan: sambalist
> Onderwerp: [Samba] error in sernet samba
> 
> Hi sambalist,
> 
>  I'm using sernet samba for several years. I found that 
> there's error in the log.samba file like this:
> 
> [2019/07/10 14:55:25.892988,  0] 
> ../../lib/util/fault.c:79(fault_report)
>   ==============================================================>
[2019/07/10 14:55:25.893187,  0]
> ../../lib/util/fault.c:80(fault_report)
>   INTERNAL ERROR: Signal 11 in pid 9906 (4.10.6-SerNet-RedHat-5.el7)
>   Please read the Trouble-Shooting section of the Samba HOWTO
> [2019/07/10 14:55:25.893241,  0] 
> ../../lib/util/fault.c:82(fault_report)
>   ==============================================================>
[2019/07/10 14:55:25.893272,  0]
> ../../lib/util/fault.c:128(smb_panic_default)
>   smb_panic_default: PANIC (pid 9906): internal error
> [2019/07/10 14:55:25.894560,  0] 
> ../../lib/util/fault.c:261(log_stack_trace)
>   BACKTRACE: 58 stack frames:
>    #0 
> /usr/lib64/samba/libsamba-util.so.0(log_stack_trace+0x2f) 
> [0x7f3dfe3ce32d]
>    #1 /usr/lib64/samba/libsamba-util.so.0(smb_panic+0xa2) 
> [0x7f3dfe3ce492]
>    #2 /usr/lib64/samba/libsamba-util.so.0(+0x13771) [0x7f3dfe3ce771]
>    #3 /lib64/libpthread.so.0(+0xf5d0) [0x7f3df0a2e5d0]
>    #4 /usr/lib64/samba/ldb/dirsync.so(+0x3dbd) [0x7f3de37c3dbd]
>    #5 /usr/lib64/samba/ldb/dirsync.so(+0x4b4e) [0x7f3de37c4b4e]
>    #6 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #7 /usr/lib64/samba/ldb/ranged_results.so(+0x15dc) [0x7f3ddfab65dc]
>    #8 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #9 /usr/lib64/samba/ldb/acl.so(+0x74ed) [0x7f3de43f14ed]
>    #10 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #11 /usr/lib64/samba/ldb/encrypted_secrets.so(+0x3cc6) 
> [0x7f3de31aacc6]
>    #12 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #13 /usr/lib64/samba/ldb/operational.so(+0x3a5b) [0x7f3de092aa5b]
>    #14 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #15 /usr/lib64/samba/ldb/extended_dn_out.so(+0x2cee) 
> [0x7f3de2d9ccee]
>    #16 /usr/lib64/samba/ldb/extended_dn_out.so(+0x354d) 
> [0x7f3de2d9d54d]
>    #17 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #18 
> /usr/lib64/samba/libdsdb-module-samba4.so(dsdb_next_callback+0
> x6d) [0x7f3de8f24ca7]
>    #19 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #20 /usr/lib64/samba/ldb/partition.so(+0x56e8) [0x7f3de03146e8]
>    #21 
> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> [0x7f3dfd9497dc]
>    #22 
> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search_inde
> xed+0x6f3) [0x7f3de1f72518]
>    #23 
> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search+0x36
> 8) [0x7f3de1f6ee2e]
>    #24 /usr/lib64/samba/libldb-key-value-samba4.so(+0x56a3) 
> [0x7f3de1f6d6a3]
>    #25 
> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_timer_han
> dler+0x172) [0x7f3dfc8b5bbc]
>    #26 
> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_timer_delay
> +0xa6) [0x7f3dfc8b5d22]
>    #27 /usr/lib64/samba/libtevent.so.0(+0xc180) [0x7f3dfc8b7180]
>    #28 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>    #29 
> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> [0x7f3dfc8b0880]
>    #30 /usr/lib64/samba/libldb.so.1(ldb_wait+0x143) [0x7f3dfd946542]
>    #31 
> /usr/lib64/samba/service/ldap.so(ldapsrv_do_call+0x81f) 
> [0x7f3de564f53e]
>    #32 /usr/lib64/samba/service/ldap.so(+0x558f) [0x7f3de564c58f]
>    #33 /usr/lib64/samba/libtevent.so.0(+0x67a4) [0x7f3dfc8b17a4]
>    #34 
> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_immediate
> _handler+0x125) [0x7f3dfc8b147c]
>    #35 
> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_immediate+0
> x1c) [0x7f3dfc8b14ae]
>    #36 /usr/lib64/samba/libtevent.so.0(+0xc16b) [0x7f3dfc8b716b]
>    #37 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>    #38 
> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> [0x7f3dfc8b0880]
>    #39 
> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> [0x7f3dfc8b0a6e]
>    #40 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
>    #41 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> [0x7f3dfc8b0ad6]
>    #42 /usr/lib64/samba/process_model/standard.so(+0x2e16) 
> [0x7f3de99ffe16]
>    #43 /usr/lib64/samba/libservice-samba4.so(+0x38b3) [0x7f3dfdd908b3]
>    #44 
> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_fd_handle
> r+0x82) [0x7f3dfc8b105f]
>    #45 /usr/lib64/samba/libtevent.so.0(+0xc415) [0x7f3dfc8b7415]
>    #46 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>    #47 
> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> [0x7f3dfc8b0880]
>    #48 
> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> [0x7f3dfc8b0a6e]
>    #49 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
>    #50 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> [0x7f3dfc8b0ad6]
>    #51 /usr/lib64/samba/process_model/standard.so(+0x2630) 
> [0x7f3de99ff630]
>    #52 
> /usr/lib64/samba/libservice-samba4.so(task_server_startup+0x61
> ) [0x7f3dfdd91d6d]
>    #53 
> /usr/lib64/samba/libservice-samba4.so(server_service_startup+0
> x15c) [0x7f3dfdd907b3]
>    #54 /usr/sbin/samba(+0x5e4d) [0x5654cae0de4d]
>    #55 /usr/sbin/samba(main+0x2b) [0x5654cae0e165]
>    #56 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f3deffa6495]
>    #57 /usr/sbin/samba(+0x4299) [0x5654cae0c299]
> [2019/07/10 14:55:25.898651,  0] 
> ../../source4/smbd/process_standard.c:160(standard_child_pipe_handler)
>   standard_child_pipe_handler: Child 9906 () terminated with signal 6
> 
> This error usually occurs after 30 minutes of restarting 
> samba. but it seems that the AD DC function  is not affected. 
> Does this  bug exist in all samba or only in sernet samba??
> my OS??centos 7.6
> samba version: sernet 4.9.11 or 4.10.6
> 
> Best,
> 
> 
> yours Adam
> -- 
> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/options/samba
>

Sorry..  

Centos.. 
 yum update 
I dont know the Centos version of apt dist-upgrade.
But check if ldb tdb tevent are upgrade. 

Greetz, 

Louis

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> L.P.H. van Belle via samba
> Verzonden: woensdag 10 juli 2019 10:12
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] error in sernet samba
> 
> Run : apt-get dist-upgrade 
> That might pull in some extra packages or upgrade others. 
> I think you ldb isnt upgraded. 
> 
> Then restart samba and winbind. 
> 
> Greetz, 
> 
> Louis
>  
> 
> > -----Oorspronkelijk bericht-----
> > Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> > adam_xu--- via samba
> > Verzonden: woensdag 10 juli 2019 9:16
> > Aan: sambalist
> > Onderwerp: [Samba] error in sernet samba
> > 
> > Hi sambalist,
> > 
> >  I'm using sernet samba for several years. I found that 
> > there's error in the log.samba file like this:
> > 
> > [2019/07/10 14:55:25.892988,  0] 
> > ../../lib/util/fault.c:79(fault_report)
> >   ==============================================================>
> [2019/07/10 14:55:25.893187,  0]
> > ../../lib/util/fault.c:80(fault_report)
> >   INTERNAL ERROR: Signal 11 in pid 9906 (4.10.6-SerNet-RedHat-5.el7)
> >   Please read the Trouble-Shooting section of the Samba HOWTO
> > [2019/07/10 14:55:25.893241,  0] 
> > ../../lib/util/fault.c:82(fault_report)
> >   ==============================================================>
> [2019/07/10 14:55:25.893272,  0]
> > ../../lib/util/fault.c:128(smb_panic_default)
> >   smb_panic_default: PANIC (pid 9906): internal error
> > [2019/07/10 14:55:25.894560,  0] 
> > ../../lib/util/fault.c:261(log_stack_trace)
> >   BACKTRACE: 58 stack frames:
> >    #0 
> > /usr/lib64/samba/libsamba-util.so.0(log_stack_trace+0x2f) 
> > [0x7f3dfe3ce32d]
> >    #1 /usr/lib64/samba/libsamba-util.so.0(smb_panic+0xa2) 
> > [0x7f3dfe3ce492]
> >    #2 /usr/lib64/samba/libsamba-util.so.0(+0x13771) [0x7f3dfe3ce771]
> >    #3 /lib64/libpthread.so.0(+0xf5d0) [0x7f3df0a2e5d0]
> >    #4 /usr/lib64/samba/ldb/dirsync.so(+0x3dbd) [0x7f3de37c3dbd]
> >    #5 /usr/lib64/samba/ldb/dirsync.so(+0x4b4e) [0x7f3de37c4b4e]
> >    #6 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #7 /usr/lib64/samba/ldb/ranged_results.so(+0x15dc) 
> [0x7f3ddfab65dc]
> >    #8 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #9 /usr/lib64/samba/ldb/acl.so(+0x74ed) [0x7f3de43f14ed]
> >    #10 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #11 /usr/lib64/samba/ldb/encrypted_secrets.so(+0x3cc6) 
> > [0x7f3de31aacc6]
> >    #12 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #13 /usr/lib64/samba/ldb/operational.so(+0x3a5b) [0x7f3de092aa5b]
> >    #14 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #15 /usr/lib64/samba/ldb/extended_dn_out.so(+0x2cee) 
> > [0x7f3de2d9ccee]
> >    #16 /usr/lib64/samba/ldb/extended_dn_out.so(+0x354d) 
> > [0x7f3de2d9d54d]
> >    #17 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #18 
> > /usr/lib64/samba/libdsdb-module-samba4.so(dsdb_next_callback+0
> > x6d) [0x7f3de8f24ca7]
> >    #19 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #20 /usr/lib64/samba/ldb/partition.so(+0x56e8) [0x7f3de03146e8]
> >    #21 
> > /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> > [0x7f3dfd9497dc]
> >    #22 
> > /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search_inde
> > xed+0x6f3) [0x7f3de1f72518]
> >    #23 
> > /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search+0x36
> > 8) [0x7f3de1f6ee2e]
> >    #24 /usr/lib64/samba/libldb-key-value-samba4.so(+0x56a3) 
> > [0x7f3de1f6d6a3]
> >    #25 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_timer_han
> > dler+0x172) [0x7f3dfc8b5bbc]
> >    #26 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_loop_timer_delay
> > +0xa6) [0x7f3dfc8b5d22]
> >    #27 /usr/lib64/samba/libtevent.so.0(+0xc180) [0x7f3dfc8b7180]
> >    #28 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
> >    #29 
> > /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> > [0x7f3dfc8b0880]
> >    #30 /usr/lib64/samba/libldb.so.1(ldb_wait+0x143) [0x7f3dfd946542]
> >    #31 
> > /usr/lib64/samba/service/ldap.so(ldapsrv_do_call+0x81f) 
> > [0x7f3de564f53e]
> >    #32 /usr/lib64/samba/service/ldap.so(+0x558f) [0x7f3de564c58f]
> >    #33 /usr/lib64/samba/libtevent.so.0(+0x67a4) [0x7f3dfc8b17a4]
> >    #34 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_immediate
> > _handler+0x125) [0x7f3dfc8b147c]
> >    #35 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_loop_immediate+0
> > x1c) [0x7f3dfc8b14ae]
> >    #36 /usr/lib64/samba/libtevent.so.0(+0xc16b) [0x7f3dfc8b716b]
> >    #37 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
> >    #38 
> > /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> > [0x7f3dfc8b0880]
> >    #39 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> > [0x7f3dfc8b0a6e]
> >    #40 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
> >    #41 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> > [0x7f3dfc8b0ad6]
> >    #42 /usr/lib64/samba/process_model/standard.so(+0x2e16) 
> > [0x7f3de99ffe16]
> >    #43 /usr/lib64/samba/libservice-samba4.so(+0x38b3) 
> [0x7f3dfdd908b3]
> >    #44 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_fd_handle
> > r+0x82) [0x7f3dfc8b105f]
> >    #45 /usr/lib64/samba/libtevent.so.0(+0xc415) [0x7f3dfc8b7415]
> >    #46 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
> >    #47 
> > /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> > [0x7f3dfc8b0880]
> >    #48 
> > /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> > [0x7f3dfc8b0a6e]
> >    #49 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
> >    #50 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> > [0x7f3dfc8b0ad6]
> >    #51 /usr/lib64/samba/process_model/standard.so(+0x2630) 
> > [0x7f3de99ff630]
> >    #52 
> > /usr/lib64/samba/libservice-samba4.so(task_server_startup+0x61
> > ) [0x7f3dfdd91d6d]
> >    #53 
> > /usr/lib64/samba/libservice-samba4.so(server_service_startup+0
> > x15c) [0x7f3dfdd907b3]
> >    #54 /usr/sbin/samba(+0x5e4d) [0x5654cae0de4d]
> >    #55 /usr/sbin/samba(main+0x2b) [0x5654cae0e165]
> >    #56 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f3deffa6495]
> >    #57 /usr/sbin/samba(+0x4299) [0x5654cae0c299]
> > [2019/07/10 14:55:25.898651,  0] 
> > 
> ../../source4/smbd/process_standard.c:160(standard_child_pipe_handler)
> >   standard_child_pipe_handler: Child 9906 () terminated 
> with signal 6
> > 
> > This error usually occurs after 30 minutes of restarting 
> > samba. but it seems that the AD DC function  is not affected. 
> > Does this  bug exist in all samba or only in sernet samba??
> > my OS??centos 7.6
> > samba version: sernet 4.9.11 or 4.10.6
> > 
> > Best,
> > 
> > 
> > yours Adam
> > -- 
> > To unsubscribe from this list go to the following URL and read the
> > instructions:  https://lists.samba.org/mailman/options/samba
> > 
> 
> 
> -- 
> To unsubscribe from this list go to the following URL and read the
> instructions:  https://lists.samba.org/mailman/options/samba
> 
>

Am 10.07.19 um 10:22 schrieb L.P.H. van Belle via samba:
> Sorry..  
> 
> Centos.. 
>  yum update 
> I dont know the Centos version of apt dist-upgrade.
> But check if ldb tdb tevent are upgrade. 
yum isn't that dumb as apt that it needs a misleading option like
"dist-upgrade" because it handles obsoletes and updates out of the box
as it should

"yum distro-sync" would even do downgrades and ensure that the
installed
packages are in the extact vesions which are currently on the mirrors,
revert temporary usage of upates-testing as example

anyways, it shouldn't be needed unless the package source is broken or
overrides base packages and has now a lower version for whatever reason
which couldn't be solved outside the repo anyways
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
>> L.P.H. van Belle via samba
>> Verzonden: woensdag 10 juli 2019 10:12
>> Aan: samba at lists.samba.org
>> Onderwerp: Re: [Samba] error in sernet samba
>>
>> Run : apt-get dist-upgrade 
>> That might pull in some extra packages or upgrade others. 
>> I think you ldb isnt upgraded. 
>>
>> Then restart samba and winbind. 
>>
>> Greetz, 
>>
>> Louis
>>  
>>
>>> -----Oorspronkelijk bericht-----
>>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
>>> adam_xu--- via samba
>>> Verzonden: woensdag 10 juli 2019 9:16
>>> Aan: sambalist
>>> Onderwerp: [Samba] error in sernet samba
>>>
>>> Hi sambalist,
>>>
>>>  I'm using sernet samba for several years. I found that 
>>> there's error in the log.samba file like this:
>>>
>>> [2019/07/10 14:55:25.892988,  0] 
>>> ../../lib/util/fault.c:79(fault_report)
>>>  
==============================================================>>>
[2019/07/10 14:55:25.893187,  0]
>>> ../../lib/util/fault.c:80(fault_report)
>>>   INTERNAL ERROR: Signal 11 in pid 9906
(4.10.6-SerNet-RedHat-5.el7)
>>>   Please read the Trouble-Shooting section of the Samba HOWTO
>>> [2019/07/10 14:55:25.893241,  0] 
>>> ../../lib/util/fault.c:82(fault_report)
>>>  
==============================================================>>>
[2019/07/10 14:55:25.893272,  0]
>>> ../../lib/util/fault.c:128(smb_panic_default)
>>>   smb_panic_default: PANIC (pid 9906): internal error
>>> [2019/07/10 14:55:25.894560,  0] 
>>> ../../lib/util/fault.c:261(log_stack_trace)
>>>   BACKTRACE: 58 stack frames:
>>>    #0 
>>> /usr/lib64/samba/libsamba-util.so.0(log_stack_trace+0x2f) 
>>> [0x7f3dfe3ce32d]
>>>    #1 /usr/lib64/samba/libsamba-util.so.0(smb_panic+0xa2) 
>>> [0x7f3dfe3ce492]
>>>    #2 /usr/lib64/samba/libsamba-util.so.0(+0x13771)
[0x7f3dfe3ce771]
>>>    #3 /lib64/libpthread.so.0(+0xf5d0) [0x7f3df0a2e5d0]
>>>    #4 /usr/lib64/samba/ldb/dirsync.so(+0x3dbd) [0x7f3de37c3dbd]
>>>    #5 /usr/lib64/samba/ldb/dirsync.so(+0x4b4e) [0x7f3de37c4b4e]
>>>    #6 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #7 /usr/lib64/samba/ldb/ranged_results.so(+0x15dc) 
>> [0x7f3ddfab65dc]
>>>    #8 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #9 /usr/lib64/samba/ldb/acl.so(+0x74ed) [0x7f3de43f14ed]
>>>    #10 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #11 /usr/lib64/samba/ldb/encrypted_secrets.so(+0x3cc6) 
>>> [0x7f3de31aacc6]
>>>    #12 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #13 /usr/lib64/samba/ldb/operational.so(+0x3a5b)
[0x7f3de092aa5b]
>>>    #14 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #15 /usr/lib64/samba/ldb/extended_dn_out.so(+0x2cee) 
>>> [0x7f3de2d9ccee]
>>>    #16 /usr/lib64/samba/ldb/extended_dn_out.so(+0x354d) 
>>> [0x7f3de2d9d54d]
>>>    #17 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #18 
>>> /usr/lib64/samba/libdsdb-module-samba4.so(dsdb_next_callback+0
>>> x6d) [0x7f3de8f24ca7]
>>>    #19 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #20 /usr/lib64/samba/ldb/partition.so(+0x56e8) [0x7f3de03146e8]
>>>    #21 
>>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
>>> [0x7f3dfd9497dc]
>>>    #22 
>>> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search_inde
>>> xed+0x6f3) [0x7f3de1f72518]
>>>    #23 
>>> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search+0x36
>>> 8) [0x7f3de1f6ee2e]
>>>    #24 /usr/lib64/samba/libldb-key-value-samba4.so(+0x56a3) 
>>> [0x7f3de1f6d6a3]
>>>    #25 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_timer_han
>>> dler+0x172) [0x7f3dfc8b5bbc]
>>>    #26 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_timer_delay
>>> +0xa6) [0x7f3dfc8b5d22]
>>>    #27 /usr/lib64/samba/libtevent.so.0(+0xc180) [0x7f3dfc8b7180]
>>>    #28 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>>>    #29 
>>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
>>> [0x7f3dfc8b0880]
>>>    #30 /usr/lib64/samba/libldb.so.1(ldb_wait+0x143)
[0x7f3dfd946542]
>>>    #31 
>>> /usr/lib64/samba/service/ldap.so(ldapsrv_do_call+0x81f) 
>>> [0x7f3de564f53e]
>>>    #32 /usr/lib64/samba/service/ldap.so(+0x558f) [0x7f3de564c58f]
>>>    #33 /usr/lib64/samba/libtevent.so.0(+0x67a4) [0x7f3dfc8b17a4]
>>>    #34 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_immediate
>>> _handler+0x125) [0x7f3dfc8b147c]
>>>    #35 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_immediate+0
>>> x1c) [0x7f3dfc8b14ae]
>>>    #36 /usr/lib64/samba/libtevent.so.0(+0xc16b) [0x7f3dfc8b716b]
>>>    #37 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>>>    #38 
>>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
>>> [0x7f3dfc8b0880]
>>>    #39 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
>>> [0x7f3dfc8b0a6e]
>>>    #40 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
>>>    #41 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
>>> [0x7f3dfc8b0ad6]
>>>    #42 /usr/lib64/samba/process_model/standard.so(+0x2e16) 
>>> [0x7f3de99ffe16]
>>>    #43 /usr/lib64/samba/libservice-samba4.so(+0x38b3) 
>> [0x7f3dfdd908b3]
>>>    #44 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_fd_handle
>>> r+0x82) [0x7f3dfc8b105f]
>>>    #45 /usr/lib64/samba/libtevent.so.0(+0xc415) [0x7f3dfc8b7415]
>>>    #46 /usr/lib64/samba/libtevent.so.0(+0xa167) [0x7f3dfc8b5167]
>>>    #47 
>>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
>>> [0x7f3dfc8b0880]
>>>    #48 
>>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
>>> [0x7f3dfc8b0a6e]
>>>    #49 /usr/lib64/samba/libtevent.so.0(+0xa117) [0x7f3dfc8b5117]
>>>    #50 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
>>> [0x7f3dfc8b0ad6]
>>>    #51 /usr/lib64/samba/process_model/standard.so(+0x2630) 
>>> [0x7f3de99ff630]
>>>    #52 
>>> /usr/lib64/samba/libservice-samba4.so(task_server_startup+0x61
>>> ) [0x7f3dfdd91d6d]
>>>    #53 
>>> /usr/lib64/samba/libservice-samba4.so(server_service_startup+0
>>> x15c) [0x7f3dfdd907b3]
>>>    #54 /usr/sbin/samba(+0x5e4d) [0x5654cae0de4d]
>>>    #55 /usr/sbin/samba(main+0x2b) [0x5654cae0e165]
>>>    #56 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7f3deffa6495]
>>>    #57 /usr/sbin/samba(+0x4299) [0x5654cae0c299]
>>> [2019/07/10 14:55:25.898651,  0] 
>>>
>> ../../source4/smbd/process_standard.c:160(standard_child_pipe_handler)
>>>   standard_child_pipe_handler: Child 9906 () terminated 
>> with signal 6
>>>
>>> This error usually occurs after 30 minutes of restarting 
>>> samba. but it seems that the AD DC function  is not affected. 
>>> Does this  bug exist in all samba or only in sernet samba??
>>> my OS??centos 7.6
>>> samba version: sernet 4.9.11 or 4.10.6

Reindl/Harald, 

What is your first name? Sorry for asking, but always wondered about it. 
I just wanted to note here that...

1) I have seen this also if samba is upgraded and not restarted. 
Or 
2) if a packages is not upgrade because an extra package is also needed at
install.

And that should be tested/checked/tried out first and if that all fails, 
then its needed to contact sernet support.
But i suspect the first option.. 

Greetz, 

Louis



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Reindl Harald via samba
> Verzonden: woensdag 10 juli 2019 14:05
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] error in sernet samba
> 
> 
> 
> Am 10.07.19 um 10:22 schrieb L.P.H. van Belle via samba:
> > Sorry..  
> > 
> > Centos.. 
> >  yum update 
> > I dont know the Centos version of apt dist-upgrade.
> > But check if ldb tdb tevent are upgrade. 
> 
> yum isn't that dumb as apt that it needs a misleading option like
> "dist-upgrade" because it handles obsoletes and updates out of
the box
> as it should
> 
> "yum distro-sync" would even do downgrades and ensure that 
> the installed
> packages are in the extact vesions which are currently on the mirrors,
> revert temporary usage of upates-testing as example
> 
> anyways, it shouldn't be needed unless the package source is broken or
> overrides base packages and has now a lower version for 
> whatever reason
> which couldn't be solved outside the repo anyways
> 
> >> -----Oorspronkelijk bericht-----
> >> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> >> L.P.H. van Belle via samba
> >> Verzonden: woensdag 10 juli 2019 10:12
> >> Aan: samba at lists.samba.org
> >> Onderwerp: Re: [Samba] error in sernet samba
> >>
> >> Run : apt-get dist-upgrade 
> >> That might pull in some extra packages or upgrade others. 
> >> I think you ldb isnt upgraded. 
> >>
> >> Then restart samba and winbind. 
> >>
> >> Greetz, 
> >>
> >> Louis
> >>  
> >>
> >>> -----Oorspronkelijk bericht-----
> >>> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> >>> adam_xu--- via samba
> >>> Verzonden: woensdag 10 juli 2019 9:16
> >>> Aan: sambalist
> >>> Onderwerp: [Samba] error in sernet samba
> >>>
> >>> Hi sambalist,
> >>>
> >>>  I'm using sernet samba for several years. I found that 
> >>> there's error in the log.samba file like this:
> >>>
> >>> [2019/07/10 14:55:25.892988,  0] 
> >>> ../../lib/util/fault.c:79(fault_report)
> >>>  
==============================================================> >>>
[2019/07/10 14:55:25.893187,  0]
> >>> ../../lib/util/fault.c:80(fault_report)
> >>>   INTERNAL ERROR: Signal 11 in pid 9906 
> (4.10.6-SerNet-RedHat-5.el7)
> >>>   Please read the Trouble-Shooting section of the Samba HOWTO
> >>> [2019/07/10 14:55:25.893241,  0] 
> >>> ../../lib/util/fault.c:82(fault_report)
> >>>  
==============================================================> >>>
[2019/07/10 14:55:25.893272,  0]
> >>> ../../lib/util/fault.c:128(smb_panic_default)
> >>>   smb_panic_default: PANIC (pid 9906): internal error
> >>> [2019/07/10 14:55:25.894560,  0] 
> >>> ../../lib/util/fault.c:261(log_stack_trace)
> >>>   BACKTRACE: 58 stack frames:
> >>>    #0 
> >>> /usr/lib64/samba/libsamba-util.so.0(log_stack_trace+0x2f) 
> >>> [0x7f3dfe3ce32d]
> >>>    #1 /usr/lib64/samba/libsamba-util.so.0(smb_panic+0xa2) 
> >>> [0x7f3dfe3ce492]
> >>>    #2 /usr/lib64/samba/libsamba-util.so.0(+0x13771) 
> [0x7f3dfe3ce771]
> >>>    #3 /lib64/libpthread.so.0(+0xf5d0) [0x7f3df0a2e5d0]
> >>>    #4 /usr/lib64/samba/ldb/dirsync.so(+0x3dbd)
[0x7f3de37c3dbd]
> >>>    #5 /usr/lib64/samba/ldb/dirsync.so(+0x4b4e)
[0x7f3de37c4b4e]
> >>>    #6 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #7 /usr/lib64/samba/ldb/ranged_results.so(+0x15dc) 
> >> [0x7f3ddfab65dc]
> >>>    #8 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #9 /usr/lib64/samba/ldb/acl.so(+0x74ed) [0x7f3de43f14ed]
> >>>    #10 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #11 /usr/lib64/samba/ldb/encrypted_secrets.so(+0x3cc6) 
> >>> [0x7f3de31aacc6]
> >>>    #12 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #13 /usr/lib64/samba/ldb/operational.so(+0x3a5b) 
> [0x7f3de092aa5b]
> >>>    #14 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #15 /usr/lib64/samba/ldb/extended_dn_out.so(+0x2cee) 
> >>> [0x7f3de2d9ccee]
> >>>    #16 /usr/lib64/samba/ldb/extended_dn_out.so(+0x354d) 
> >>> [0x7f3de2d9d54d]
> >>>    #17 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #18 
> >>> /usr/lib64/samba/libdsdb-module-samba4.so(dsdb_next_callback+0
> >>> x6d) [0x7f3de8f24ca7]
> >>>    #19 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #20 /usr/lib64/samba/ldb/partition.so(+0x56e8)
[0x7f3de03146e8]
> >>>    #21 
> >>> /usr/lib64/samba/libldb.so.1(ldb_module_send_entry+0x144) 
> >>> [0x7f3dfd9497dc]
> >>>    #22 
> >>> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search_inde
> >>> xed+0x6f3) [0x7f3de1f72518]
> >>>    #23 
> >>> /usr/lib64/samba/libldb-key-value-samba4.so(ldb_kv_search+0x36
> >>> 8) [0x7f3de1f6ee2e]
> >>>    #24 /usr/lib64/samba/libldb-key-value-samba4.so(+0x56a3) 
> >>> [0x7f3de1f6d6a3]
> >>>    #25 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_timer_han
> >>> dler+0x172) [0x7f3dfc8b5bbc]
> >>>    #26 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_timer_delay
> >>> +0xa6) [0x7f3dfc8b5d22]
> >>>    #27 /usr/lib64/samba/libtevent.so.0(+0xc180)
[0x7f3dfc8b7180]
> >>>    #28 /usr/lib64/samba/libtevent.so.0(+0xa167)
[0x7f3dfc8b5167]
> >>>    #29 
> >>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> >>> [0x7f3dfc8b0880]
> >>>    #30 /usr/lib64/samba/libldb.so.1(ldb_wait+0x143) 
> [0x7f3dfd946542]
> >>>    #31 
> >>> /usr/lib64/samba/service/ldap.so(ldapsrv_do_call+0x81f) 
> >>> [0x7f3de564f53e]
> >>>    #32 /usr/lib64/samba/service/ldap.so(+0x558f)
[0x7f3de564c58f]
> >>>    #33 /usr/lib64/samba/libtevent.so.0(+0x67a4)
[0x7f3dfc8b17a4]
> >>>    #34 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_immediate
> >>> _handler+0x125) [0x7f3dfc8b147c]
> >>>    #35 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_immediate+0
> >>> x1c) [0x7f3dfc8b14ae]
> >>>    #36 /usr/lib64/samba/libtevent.so.0(+0xc16b)
[0x7f3dfc8b716b]
> >>>    #37 /usr/lib64/samba/libtevent.so.0(+0xa167)
[0x7f3dfc8b5167]
> >>>    #38 
> >>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> >>> [0x7f3dfc8b0880]
> >>>    #39 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> >>> [0x7f3dfc8b0a6e]
> >>>    #40 /usr/lib64/samba/libtevent.so.0(+0xa117)
[0x7f3dfc8b5117]
> >>>    #41 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> >>> [0x7f3dfc8b0ad6]
> >>>    #42 /usr/lib64/samba/process_model/standard.so(+0x2e16) 
> >>> [0x7f3de99ffe16]
> >>>    #43 /usr/lib64/samba/libservice-samba4.so(+0x38b3) 
> >> [0x7f3dfdd908b3]
> >>>    #44 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_invoke_fd_handle
> >>> r+0x82) [0x7f3dfc8b105f]
> >>>    #45 /usr/lib64/samba/libtevent.so.0(+0xc415)
[0x7f3dfc8b7415]
> >>>    #46 /usr/lib64/samba/libtevent.so.0(+0xa167)
[0x7f3dfc8b5167]
> >>>    #47 
> >>> /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0xa3) 
> >>> [0x7f3dfc8b0880]
> >>>    #48 
> >>> /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x17) 
> >>> [0x7f3dfc8b0a6e]
> >>>    #49 /usr/lib64/samba/libtevent.so.0(+0xa117)
[0x7f3dfc8b5117]
> >>>    #50 /usr/lib64/samba/libtevent.so.0(_tevent_loop_wait+0xa) 
> >>> [0x7f3dfc8b0ad6]
> >>>    #51 /usr/lib64/samba/process_model/standard.so(+0x2630) 
> >>> [0x7f3de99ff630]
> >>>    #52 
> >>> /usr/lib64/samba/libservice-samba4.so(task_server_startup+0x61
> >>> ) [0x7f3dfdd91d6d]
> >>>    #53 
> >>> /usr/lib64/samba/libservice-samba4.so(server_service_startup+0
> >>> x15c) [0x7f3dfdd907b3]
> >>>    #54 /usr/sbin/samba(+0x5e4d) [0x5654cae0de4d]
> >>>    #55 /usr/sbin/samba(main+0x2b) [0x5654cae0e165]
> >>>    #56 /lib64/libc.so.6(__libc_start_main+0xf5)
[0x7f3deffa6495]
> >>>    #57 /usr/sbin/samba(+0x4299) [0x5654cae0c299]
> >>> [2019/07/10 14:55:25.898651,  0] 
> >>>
> >> 
> ../../source4/smbd/process_standard.c:160(standard_child_pipe_handler)
> >>>   standard_child_pipe_handler: Child 9906 () terminated 
> >> with signal 6
> >>>
> >>> This error usually occurs after 30 minutes of restarting 
> >>> samba. but it seems that the AD DC function  is not affected. 
> >>> Does this  bug exist in all samba or only in sernet samba??
> >>> my OS??centos 7.6
> >>> samba version: sernet 4.9.11 or 4.10.6
> 
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> 
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