It was <2014-05-09 pią 15:07>, when Łukasz Stelmach wrote: > It was <2014-04-30 śro 17:38>, when Łukasz Stelmach wrote: >> I've prepared an update for systemd (212) in Tizen. Before I push it >> gerrit I'd like to ask you to take a look at it. It is available as my >> sandbox branch >> >> git fetch ssh://review.tizen.org:29418/platform/upstream/systemd >> sandbox/lstelmach/tizen-v212 >> >> Please report any and all problems you encounter while trying to use >> this version. > > While testing v212 I found a problem with cgroup management introduced > by a commit[0] in systemd. The commit prevents any other programme from > creating a directory in /sys/fs/cgroup. When amd tries to set up its > "mgr" directory it hits[1]. Then amd as a revenge[2] destroys all the > contents of the directory. > > The easiest way to overcome this problem is to revert the systemd patch > on the tizen branch. However, this might have some long term > consequences. I don't know much about amd and the way/reason it uses > cgroups so I can't devise any solution. > > As far as I remember there have been plan to forbid any programme other > than PID#1 systemd control cgroup hierarchies.
I asked[1] the question at systemd-devel. Lennart described[2] the current sitation and future prospects as well as he suggested mounting amd's cgroup hierarchy in /run rather than in /sys/fs/cgroup. I've just created PTREL-805[3] for amd to keep track of fixing the issue in amd. > [0] http://cgit.freedesktop.org/systemd/systemd/commit/?id=679142ce > > [1] > https://review.tizen.org/git/?p=platform/core/appfw/aul-1.git;a=blob;f=am_daemon/amd_cgutil.c;h=4c6f8b8c83c91a2171ff6cca79a9968b6a3b97ce#l301 > > [2] > https://review.tizen.org/git/?p=platform/core/appfw/aul-1.git;a=blob;f=am_daemon/amd_cgutil.c;h=4c6f8b8c83c91a2171ff6cca79a9968b6a3b97ce#l400 > > [3] > https://review.tizen.org/git/?p=platform/core/appfw/aul-1.git;a=blob;f=am_daemon/amd_cgutil.c;h=4c6f8b8c83c91a2171ff6cca79a9968b6a3b97ce#l191 [1] http://lists.freedesktop.org/archives/systemd-devel/2014-May/019091.html [2] http://lists.freedesktop.org/archives/systemd-devel/2014-May/019110.html [3] https://bugs.tizen.org/jira/browse/PTREL-805 -- Łukasz Stelmach Samsung R&D Institute Poland Samsung Electronics
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