** Description changed:
SRU Justification:
Impact: This is for now only relevant for the 12.04 (Precise) backport
of drbd-utils 8.4.x as that uses the 8.3 compat mode when running with a
linux kernel module from kernel 3.2.x. Problem is the following code:
- if (!getenv("DRBD_DONT_WARN_ON_VERSION_MISMATCH"))
- warn_on_version_mismatch();
+ if (!getenv("DRBD_DONT_WARN_ON_VERSION_MISMATCH"))
+ warn_on_version_mismatch();
- maybe_exec_drbdadm_83(argv);
+ maybe_exec_drbdadm_83(argv);
Because maybe_ecec_drbdadm_83 relies on a structure being filled in
warn_on_version_mismatch only.
- Fix: Move the code to set up the version number from
- warn_on_version_mismatch() outside, so it is always called.
+ Fix: Add a call to setup the kernel version to maybe_exec_drbdadm_83.
+ This function does the full setup only once already.
Testcase: When running a 3.2 kernel and the 8.4.x version of drbd8-utils
"drbdadm --version" without DRBD_DONT_WARN_ON_VERSION_MISMATCH set in
the environment, It will return a 8.3 version number. Otherwise a
version 8.4. When the bug is fixed it has to be a 8.3 version in both
cases.
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https://bugs.launchpad.net/bugs/1314598
Title:
[Precise] drbd8: drbdadm does not run compat mode when
DRBD_DONT_WARN_ON_VERSION_MISMATCH is set
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