[Bug 791944] Re: package samba 2:3.5.8~dfsg-1ubuntu2.2 failed to install/upgrade: broken permissions/configuration cause daemons not to start correctly

[James Page]

** Description changed:

  [Impact]
+ Currently we receive large numbers of bug reports for samba during upgrades due to broken permissions or misconfiguration of samba.  
+ 
+ This is due to how testparm is used in the pre-start script for nmbd -
+ the intent is to determine whether the daemon should be started by
+ querying a specific samba configuration element - however testparm
+ returns a non-zero error code for WARNINGS resulting in a pre-start
+ failure in the init script for trivial configuration issues and broken
+ permissions.
  
  [Test Case]
+ sudo apt-get install samba
+ sudo chmod 0777 /var/lib/samba
+ sudo testparm -s 
+   - (displays a WARNING about permissions)
+   - exit code is non-zero
+ sudo start nmbd 
+   - start: Job failed to start
+ grep nmbd /var/log/syslog
+   - [...] nmbd pre-start process (XXXX) terminated with status 1
  
  [Regression Potential]
- 
+ Minimal - the fix is limited to a single line in the pre-start block of the nmbd upstart configuration.  Any regressions would manifest themselves in this area. Likely problems may include nmbd itself (rather than the upstart pre-start script) not starting correctly due to broken configuration - although this is not technically a regression of course.
  
  [Original Bug Report]
  Binary package hint: samba
  
  Happens any time I install or uninstall a program. But does not seem to
  effect the operation of the programs.
  
  ProblemType: Package
  DistroRelease: Ubuntu 11.04
  Package: samba 2:3.5.8~dfsg-1ubuntu2.2
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic i686
  NonfreeKernelModules: nvidia
  AptOrdering:
   gdm: Install
   samba: Configure
   gadmin-samba: Configure
   system-config-samba: Configure
   gdm: Configure
  Architecture: i386
  BothFailedConnect: Yes
  Date: Thu Jun  2 11:53:20 2011
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
  NmbdLog:
  
  SambaServerRegression: Yes
  SmbConfIncluded: Yes
  SmbLog:
  
  SourcePackage: samba
  Title: package samba 2:3.5.8~dfsg-1ubuntu2.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: Upgraded to natty on 2011-05-01 (31 days ago)

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https://bugs.launchpad.net/bugs/791944

Title:
  package samba 2:3.5.8~dfsg-1ubuntu2.2 failed to install/upgrade:
  broken permissions/configuration cause daemons not to start correctly

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