[Bug 1690684] Re: samba panic

Dan Gleeson dgleeson1721 at gmail.com
Sat Jul 22 23:22:18 UTC 2017


smb.cnf

#======================= Global Settings =======================

[global]

## Browsing/Identification ###

# Change this to the workgroup/NT-domain name your Samba server will part of
   workgroup = COMCO1

# server string is the equivalent of the NT Description field
        server string = %h server (Samba, Ubuntu)

#dfg 11/11/16
netbios name = comco76
security = domain
realm =comco1.com <http://safco1.com/>

# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable its WINS Server
#   wins support = no

# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
;   wins server = w.x.y.z

# This will prevent nmbd to search for NetBIOS names through DNS.
   dns proxy = no

#### Networking ####

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
;   interfaces = 127.0.0.0/8 eth0
interfaces = 192.168.0.4/24 eth0

# Only bind to the named interfaces and/or networks; you must use the
# 'interfaces' option above to use this.
# It is recommended that you enable this feature if your Samba machine is
# not protected by a firewall or is a firewall itself.  However, this
# option cannot handle dynamic or non-broadcast interfaces correctly.
;   bind interfaces only = yes
bind interfaces only = yes


#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
   log file = /var/log/samba/log.%m

# Cap the size of the individual log files (in KiB).
   max log size = 1000

# If you want Samba to only log through syslog then set the following
# parameter to 'yes'.
#   syslog only = no

# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
   syslog = 0

# Do something sensible when Samba crashes: mail the admin a backtrace
   panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# Server role. Defines in which mode Samba will operate. Possible
# values are "standalone server", "member server", "classic primary
# domain controller", "classic backup domain controller", "active
# directory domain controller".
#
# Most people will want "standalone sever" or "member server".
# Running as "active directory domain controller" will require first
# running "samba-tool domain provision" to wipe databases and create a
# new domain.
   server role = member server

# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.
   passdb backend = tdbsam

   obey pam restrictions = yes

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
   unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan <<kahan at informatik.tu-muenchen
.de> for
# sending the correct chat script for the passwd program in Debian Sarge).
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\s*\spassword:* %n\n
*Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
   pam password change = yes

# This option controls how unsuccessful authentication attempts are mapped
# to anonymous connections
   map to guest = bad user

########## Domains ###########

#
# The following settings only takes effect if 'server role = primary
# classic domain controller', 'server role = backup domain controller'
# or 'domain logons' is set
#

# It specifies the location of the user's
# profile directory from the client point of view) The following
# required a [profiles] share to be setup on the samba server (see
# below)
;   logon path = \\%N\profiles\%U
# Another common choice is storing the profile in the user's home directory
# (this is Samba's default)
#   logon path = \\%N\%U\profile

# The following setting only takes effect if 'domain logons' is set
# It specifies the location of a user's home directory (from the client
# point of view)
;   logon drive = H:
#   logon home = \\%N\%U

# The following setting only takes effect if 'domain logons' is set
# It specifies the script to run during logon. The script must be stored
# in the [netlogon] share
# NOTE: Must be store in 'DOS' file format convention
;   logon script = logon.cmd

# This allows Unix users to be created on the domain controller via the SAMR
# RPC pipe.  The example command creates a user account with a disabled Unix
# password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos
"" %u

# This allows machine accounts to be created on the domain controller via
the
# SAMR RPC pipe.
# The following assumes a "machines" group exists on the system
; add machine script  = /usr/sbin/useradd -g machines -c "%u machine
account" -d /var/lib/samba -s /bin/false %u

# This allows Unix groups to be created on the domain controller via the
SAMR
# RPC pipe.
; add group script = /usr/sbin/addgroup --force-badname %g

############ Misc ############

# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
;   include = /home/samba/etc/smb.conf.%m

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
;   idmap uid = 10000-20000
;   idmap gid = 10000-20000
;   template shell = /bin/bash

# Setup usershare options to enable non-root users to share folders
# with the net usershare command.

# Maximum number of usershare. 0 (default) means that usershare is disabled.
;   usershare max shares = 100

# Allow users who've been granted usershare privileges to create
# public shares, not just authenticated ones
   usershare allow guests = yes

#======================= Share Definitions =======================

# Un-comment the following (and tweak the other settings below to suit)
# to enable the default home directory shares. This will share each
# user's home directory as \\server\username
[homes]
   comment = Home Directories
   browseable = no

# By default, the home directories are exported read-only. Change the
# next parameter to 'no' if you want to be able to write to them.
;   read only = yes
;   read only = no

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
;   create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want
to
# create dirs. with group=rw permissions, set next parameter to 0775.
;   directory mask = 0700

# By default, \\server\username shares can be connected to by anyone
# with access to the samba server.
# Un-comment the following parameter to make sure that only "username"
# can connect to \\server\username
# This might need tweaking when using external authentication schemes
        valid users = %S

# Un-comment the following and create the netlogon directory for Domain
Logons
# (you need to configure Samba to act as a domain controller too.)
;[netlogon]
;   comment = Network Logon Service
;   path = /home/samba/netlogon
;   guest ok = yes
;   read only = yes

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
;[profiles]
;   comment = Users profiles
;   path = /home/samba/profiles
;   guest ok = no
;   browseable = no
;   create mask = 0600
;   directory mask = 0700

[printers]
   comment = All Printers
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
[print$]
   comment = Printer Drivers
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
# Uncomment to allow remote administration of Windows print drivers.
# You may need to replace 'lpadmin' with the name of the group your
# admin users are members of.
# Please note that you also need to set appropriate Unix permissions
# to the drivers directory for these users to have write rights in it
;   write list = root, @lpadmin


[InformationTechnology]
   comment = Information Technology Share
   path = /home/hostmaster/Shares/InformationTechnology
   browseable = yes
   read only = yes
   guest ok = yes

=================
logs attached.

No cores found.



On Wed, May 24, 2017 at 12:52 PM, Andreas Hasenack <andreas at canonical.com>
wrote:

> > Now when I reboot I get the panic email.
>
> Is it always a new email about a new panic, or could it be that you are
> getting the same email over and over? Just checking.
>
> > Would you like the config file?
>
> yes, and the logs from /var/log/samba/ and any core files you might have
> in there.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1690684
>
> Title:
>   samba panic
>
> Status in samba package in Ubuntu:
>   Incomplete
>
> Bug description:
>   The Samba 'panic action' script, /usr/share/samba/panic-action,
>   was called for PID 744 (/usr/sbin/smbd).
>
>
>   [Thread debugging using libthread_db enabled]
>   Using host libthread_db library "/lib/x86_64-linux-gnu/libthre
> ad_db.so.1".
>   0x00007f901f1f254c in __libc_waitpid (pid=861, stat_loc=stat_loc at entry
> =0x7fff997eeb30, options=options at entry=0) at
> ../sysdeps/unix/sysv/linux/waitpid.c:31
>
>   $ lsb_release -rd
>   Description:  Ubuntu 14.04.5 LTS
>   Release:      14.04
>
>   $ apt-cache policy samba
>
>   samba:
>     Installed: 2:4.3.11+dfsg-0ubuntu0.14.04.7
>     Candidate: 2:4.3.11+dfsg-0ubuntu0.14.04.7
>     Version table:
>    *** 2:4.3.11+dfsg-0ubuntu0.14.04.7 0
>           500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main
> amd64 Packages
>           500 http://security.ubuntu.com/ubuntu/ trusty-security/main
> amd64 Packages
>           100 /var/lib/dpkg/status
>        2:4.1.6+dfsg-1ubuntu2 0
>           500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64
> Packages
>
>   System rebooted.
>   Samba reports panic, via email, twice upon reboot.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1690684
> /+subscriptions
>


** Attachment added: "log.%m"
   https://bugs.launchpad.net/bugs/1690684/+attachment/4919456/+files/log.%25m

** Attachment added: "log.nmbd"
   https://bugs.launchpad.net/bugs/1690684/+attachment/4919457/+files/log.nmbd

** Attachment added: "log.smbd"
   https://bugs.launchpad.net/bugs/1690684/+attachment/4919458/+files/log.smbd

-- 
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to samba in Ubuntu.
https://bugs.launchpad.net/bugs/1690684

Title:
  samba panic

Status in samba package in Ubuntu:
  Incomplete

Bug description:
  The Samba 'panic action' script, /usr/share/samba/panic-action,
  was called for PID 744 (/usr/sbin/smbd).

  
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007f901f1f254c in __libc_waitpid (pid=861, stat_loc=stat_loc at entry=0x7fff997eeb30, options=options at entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:31

  $ lsb_release -rd
  Description:	Ubuntu 14.04.5 LTS
  Release:	14.04

  $ apt-cache policy samba

  samba:
    Installed: 2:4.3.11+dfsg-0ubuntu0.14.04.7
    Candidate: 2:4.3.11+dfsg-0ubuntu0.14.04.7
    Version table:
   *** 2:4.3.11+dfsg-0ubuntu0.14.04.7 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 Packages
          100 /var/lib/dpkg/status
       2:4.1.6+dfsg-1ubuntu2 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

  System rebooted.
  Samba reports panic, via email, twice upon reboot.

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