Arch Linux

uname -a
Linux arch 5.6.8-arch1-1 #1 SMP PREEMPT Wed, 29 Apr 2020 16:22:56 +0000 x86_64 GNU/Linux


pacman -Qi samba
Name : samba
Version : 4.12.2-2
Beschreibung : SMB Fileserver and AD Domain server
Architektur : x86_64
URL : https://www.samba.org
Lizenzen : GPL3
Gruppen : Nichts
Stellt bereit : Nichts
Hängt ab von : db>=4.7 popt libcups libcap>=2.16 gnutls>=2.4.1 talloc ldb libbsd python
iniparser tdb libaio perl-parse-yapp smbclient>=4.12.2 gpgme ceph-libs
libldb.so=2-64 libtdb.so=1-64 libtevent.so=0-64
Optionale Abhängigkeiten : python-dnspython: samba_dnsupdate and samba_upgradedns in AD setup [Installiert]
Benötigt von : Nichts
Optional für : libsoup
In Konflikt mit : Nichts
Ersetzt : Nichts
Installationsgröße : 61,88 MiB
Packer : Jelle van der Waa <jelle@archlinux.org>
Erstellt am : Do 30 Apr 2020 21:38:40 CEST
Installiert am : Fr 01 Mai 2020 17:01:10 CEST
Installationsgrund : Ausdrücklich installiert
Installations-Skript : Ja
Verifiziert durch : Signatur


samba AD crashes when a Windows client logs in

systemctl status samba
● samba.service - Samba AD Daemon
Loaded: loaded (/usr/lib/systemd/system/samba.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2020-05-01 17:10:07 CEST; 29s ago
Docs: man:samba(8)
man:samba(7)
man:smb.conf(5)
Process: 1071 ExecStart=/usr/bin/samba --foreground --no-process-group $SAMBAOPTIONS (code=exited, status=1/FAILURE)
Main PID: 1071 (code=exited, status=1/FAILURE)
Status: "winbindd: ready to serve connections..."

Mai 01 17:06:31 arch mitkdc[1094]: [2020/05/01 17:06:31.725738, 0] ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
Mai 01 17:06:31 arch mitkdc[1094]: /usr/sbin/krb5kdc: krb5kdc: startet …
Mai 01 17:10:07 arch mitkdc[1094]: [2020/05/01 17:10:07.273215, 0] ../../source4/kdc/kdc-service-mit.c:344(mitkdc_server_done)
Mai 01 17:10:07 arch mitkdc[1094]: The MIT KDC daemon died with exit status 6
Mai 01 17:10:07 arch mitkdc[1094]: [2020/05/01 17:10:07.273303, 0] ../../source4/smbd/service_task.c:36(task_server_terminate)
Mai 01 17:10:07 arch mitkdc[1094]: task_server_terminate: task_server_terminate: [mitkdc child process exited]
Mai 01 17:10:07 arch samba[1071]: [2020/05/01 17:10:07.277953, 0] ../../source4/smbd/server.c:377(samba_terminate)
Mai 01 17:10:07 arch samba[1071]: samba_terminate: samba_terminate of samba 1071: mitkdc child process exited
Mai 01 17:10:07 arch systemd[1]: samba.service: Main process exited, code=exited, status=1/FAILURE
Mai 01 17:10:07 arch systemd[1]: samba.service: Failed with result 'exit-code'.


log.samba:

[2020/05/01 17:06:31.264468, 0] ../../source4/smbd/server.c:629(binary_smbd_main)
samba version 4.12.2 started.
Copyright Andrew Tridgell and the Samba Team 1992-2020
[2020/05/01 17:06:31.368694, 0] ../../source4/smbd/server.c:872(binary_smbd_main)
binary_smbd_main: samba: using 'prefork' process model
[2020/05/01 17:06:31.723220, 0] ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
/usr/sbin/krb5kdc: Stash file (null) uses DEPRECATED enctype !
[2020/05/01 17:06:31.725738, 0] ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
/usr/sbin/krb5kdc: krb5kdc: startet …
[2020/05/01 17:10:07.273215, 0] ../../source4/kdc/kdc-service-mit.c:344(mitkdc_server_done)
The MIT KDC daemon died with exit status 6
[2020/05/01 17:10:07.273303, 0] ../../source4/smbd/service_task.c:36(task_server_terminate)
task_server_terminate: task_server_terminate: [mitkdc child process exited]
[2020/05/01 17:10:07.277953, 0] ../../source4/smbd/server.c:377(samba_terminate)
samba_terminate: samba_terminate of samba 1071: mitkdc child process exited


This looks similar to samba  bug 13057 : MIT KDC(mit-krb5) exits after windows joins AD and tries to login on
https://bugzilla.samba.org/show_bug.cgi?id=13057#c3