[Bug 1185756] Re: drbd8-utils not compatible with linux-lts-raring kernel in 12.04

[Jacob van der Meulen]

I had the same problem and found out that there is a different behaviour
of the drbd agent between just stop and start the drbd resource or
rebooting the system. When you stop drbd, the drbd module stay loaded so
when you start drbd again, the validity check of the agent correctly
detects an 8.3 module. However when you reboot, no module is loaded yet
so the validity check thinks we have an 8.4 module. Then the agent loads
the module but does not check the validity any more. So it uses the 8.4
tools to create the drbd devices. This fails! Adding a call to the
validity check function just after the module is loaded fixes this
problem. So no need to revert.

I just found this by trial and error so it could have side effects.
Maybe Stefan can confirm that this is really fixing something.

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

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