Quoting Michael Adam ([email protected]): > Another patch to the fedora template. > > My f21 containers ran into a 100% cpu loop for systemd-journald. > > Here is the explanation: > https://lists.linuxcontainers.org/pipermail/lxc-users/2014-October/007907.html > > I have made the change to set lxc.kmsg = 0 in the generated > config if the release is using systemd. > > Thanks for consideration, > > Michael >
> From df7ca9966936bfcf4aa52a46dd39d594e0709ce1 Mon Sep 17 00:00:00 2001 > From: Michael Adam <[email protected]> > Date: Fri, 2 Jan 2015 21:12:21 +0100 > Subject: [PATCH] lxc-fedora: when using systemd, set lxc.kmsg = 0 in the > config > > This is to prevent systemd-journald to enter a 100% cpu loop. > > Signed-off-by: Michael Adam <[email protected]> Acked-by: Serge E. Hallyn <[email protected]> > --- > templates/lxc-fedora.in | 21 +++++++++++++++------ > 1 file changed, 15 insertions(+), 6 deletions(-) > > diff --git a/templates/lxc-fedora.in b/templates/lxc-fedora.in > index 2123e69..adfaab2 100644 > --- a/templates/lxc-fedora.in > +++ b/templates/lxc-fedora.in > @@ -1117,13 +1117,22 @@ lxc.include = @LXCTEMPLATECONFIG@/fedora.common.conf > " >> $config_path/config > fi > > + if [ "x$have_systemd" = "x1" ]; then > + cat <<EOF >> $config_path/config > +lxc.autodev = 1 > +lxc.kmsg = 0 > +EOF > + else > + cat <<EOF >> $config_path/config > +lxc.autodev = 0 > +EOF > + fi > + > # Append things which require expansion here... > cat <<EOF >> $config_path/config > lxc.arch = $arch > lxc.utsname = $utsname > > -lxc.autodev = $auto_dev > - > # When using LXC with apparmor, uncomment the next line to run unconfined: > #lxc.aa_profile = unconfined > > @@ -1337,12 +1346,12 @@ if [ -z "$release" ]; then > fi > fi > > -# Fedora 15 and above run systemd. We need autodev enabled to keep > +# Fedora 15 and above run systemd.We need autodev enabled to keep > # systemd from causing problems. > +# Also, kmsg must not be mapped to prevent a 100% cpu loop > +# in systemd-journald. > if [ $release -gt 14 ]; then > - auto_dev="1" > -else > - auto_dev="0" > + have_systemd="1" > fi > > if [ "$(id -u)" != "0" ]; then > -- > 2.1.0 > > _______________________________________________ > lxc-devel mailing list > [email protected] > http://lists.linuxcontainers.org/listinfo/lxc-devel _______________________________________________ lxc-devel mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-devel
