** Description changed:

  Request for SRU:
  [Impact]
- DRBD will not work (hang) on fresh install using Ubuntu 12.04.3 media, and 
will stop working on sites where the Raring Enablement Stacks is manually 
installed
+ DRBD will not work (hang) on fresh install using Ubuntu 12.04.3 media, and 
will stop working on sites where the Raring Enablement Stacks is manually 
installed as the API between older and newer drbd kernel modules has changed.
+ 
+ [Fix]
+ The current version of drbd8 utils in Saucy/Raring can be compiled with 
legacy utils enabled (basically drbdadm and drbdsetup) and automatically 
switches to use the legacy version when an older kernel module is found. 
Comparing the code of those two legacy tools showed them to be mostly the same 
(except some things that actually look like bug fixes).
+ I only found two small issues, one was the init.d script which was changed to 
use a new command of drbdadm to activate resources. This would fail if drbdadm 
fell back to the legacy version. So I picked the shell function that the 
current util uses and verified that this still works with the new binary.
+ The other problem was the default config file which contained a new open 
which would cause the legacy util to fail. It does not seem to be a required 
one in the new tools to commenting it out by default seems to work in both 
cases, too.
+ Lastly (this did not seem to be a real issue) the legacy tools claimed to be 
a version 3.8.10 while the the code really looked like the 3.8.11 version we 
have in Precise. Since that also matches the version number of the drbd module 
in Precise I modified the legacy tools version to be 3.8.11.
+ 
  [Test Case]
- Install the Raring kernel in Precise, install/configure DRBD: you get "No 
response from the DRBD driver! Is the module loaded?".
- [Regression Potential] 
- The current drbd8-utils must not be upgraded (it's needed for Precise & 
Quantal kernels), a new package must be created for the DRBD 8.4 utils.
+ Install the Raring kernel in Precise, install/configure DRBD: you get "No 
response from the DRBD driver! Is the module loaded?". With the proposed 
backport the mirror continues to work. Only for switching back to an older 
kernel a special procedure must be followed (see comment #21):
+ 
+ http://www.drbd.org/users-guide/s-downgrading-drbd84.html
+ 
+ ---
  
  I've just installed linux-generic-lts-raring on 12.04.2 and my drbd device 
stoped working.
  Seems like drbd8-utils is not compatible with DRBD 8.4 in Kernel 3.8.
  I see that we can't upgrade the package since this would break compatibility 
with the older Kernels in Precise.
  
  But since the new Plans for the LTS-Enablement Stack [1] there should be
  a package like drbd8-utils-lts-raring. And the dependancies should be
  resolved automatically with apt.
  
  kind regards
  
  [1] https://wiki.ubuntu.com/Kernel/LTSEnablementStack
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.8.0-22-generic 3.8.0-22.33~precise1
  ProcVersionSignature: Ubuntu 3.8.0-22.33~precise1-generic 3.8.11
  Uname: Linux 3.8.0-22-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.2
  Architecture: amd64
  Date: Thu May 30 11:53:13 2013
  InstallationMedia: Ubuntu-Server 12.04.1 LTS "Precise Pangolin" - Release 
amd64 (20120817.3)
  MarkForUpload: True
  SourcePackage: linux-lts-raring
  UpgradeStatus: No upgrade log present (probably fresh install)

** Changed in: drbd8 (Ubuntu Precise)
     Assignee: (unassigned) => Stefan Bader (smb)

** Changed in: drbd8 (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1185756

Title:
  drbd8-utils not compatible with linux-lts-raring kernel in 12.04

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