On Tue, May 26, 2015 at 03:09:04PM +0200, Rainer Koenig wrote:
Hi,
a week ago I experienced problems on the skylake platform and got the adivce to try out the drm-intel-nightly branch. I tried and it was a success.
So after the initial "git clone" of the tree I tried to keep updated by doing a "git pull" from time to time, but what's really strange is that I got merge conflicts, usually in the file integration-manifest, but sometimes also in source files.
That's looks somewhat weird because I didn't touch any of the files in the tree and I thought that after cloning a frequent "git pull" will keep me up to date without the need to resolve merge conflicts.
What is wrong with my thought? What did I do wrong?
-nigthly is a rebasing tree, git pull does the wrong thing for that. The proper way to track rebasing branches is (assuming you have no local patches that you want to keep):
$ git fetch origin $ git reset --hard @{upstream}
Second, I pulled the "Linus"-tree today and found some log entries that said Merge branch 'drm-fixes-4.1' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
and Merge tag 'drm-intel-fixes-2015-05-21' of git://anongit.freedesktop.org/drm-intel into drm-fixes
So I assumed, that the fix I proved to work one week ago now should also be available in the "vanilla" tree. So I compiled that on my test machine and got my bug back. :-(
So my other question is, how do fixes from drm-intel-nightly find their weay into the "vanilla" linux tree? Is there some sort of process description.
It takes a while. If the patch is in drm-intel-fixes, it will first got to drm-fixes and then to vanilla upstream, then to stable kernels (if it's cc: stable). You can check which branch a patch is in already with
$ git branch --contains $sha1
Add -r if you want to see all the remote branches too.
Cheers, Daniel
Thanks for any explanation Rainer -- Dipl.-Inf. (FH) Rainer Koenig Project Manager Linux Clients Dept. PDG WPS R&D SW OSE
Fujitsu Technology Solutions Bürgermeister-Ullrich-Str. 100 86199 Augsburg Germany
Telephone: +49-821-804-3321 Telefax: +49-821-804-2131 Mail: mailto:Rainer.Koenig@ts.fujitsu.com
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