On 14-02-07 07:31 AM, Adrian Dudau wrote:
Hi Paul,
On fre, 2014-02-07 at 10:28 +0000, Paul Eggleton wrote:
Hi Adrian,
On Friday 07 February 2014 09:47:56 Adrian Dudau wrote:
I would like to understand Yocto Project's policy on the
release/maintenance branches (dora,dylan etc). My understanding was that
these were considered stable branches and only bugfixes and general
fixes that would not affect functionality were merged onto them.
However, lately, we identified patches that upgrade package versions and
introduced some problems in our distro. We had a hard time identifying
the source of these problems, since we expected the maintenance branch
not to change in this way.
Here are a couple of these patches as example in poky/dora branch:
50574e41b882c3f2633f69486593eaea54d8e554
63335c87c1904287cdd5fd28d0ad6a73e985f2a4
Is that second revision correct? I don't see an upgrade of powertop to 2.5 on
the dora branch.
My bad. I mixed our branches up and thought that was introduced on dora
as well. It is not, you are right.
However, the lttng-modules version upgrade (commit
50574e41b882c3f2633f69486593eaea54d8e554) that broke things still
stands.
If that is the remaining example, the lttng-modules update was
discussed on the mailing list, and since it fixed a deadlock in
the 3.10.x kernel versions the new version was pulled in to fix
the severe issue.
see: [OE-core] [PATCH 1/2] lttng-modules: Update revision to grab last
bugfix releases
On the oe-core mailing list.
What exactly broke in your case ? The build ?
Bruce
My question is: are patches like these normal and should we expect to
get version upgrades for packages on the maintenance branches as well?
No, it is unusual to do recipe version upgrades in stable branches. For
reference, here is a page I wrote on the wiki which describes how the stable
branches should be managed:
https://wiki.yoctoproject.org/wiki/Stable_branch_maintenance
Thank you for the link. It is good to know that this is not normal
procedure and that we can rely on the stability of the branch. It makes
sense to only merge critical fixes. Version upgrades can (and will)
break things.
Cheers,
Paul
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