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This is a direct backport from systemd-233's stream to fix lxc/docker.
% lxc-start -n container -F
lxc-start: cgfsng.c: parse_hierarchies: 825 Failed to find current cgroup for controller 'name=systemd'
lxc-start: cgfsng.c: all_controllers_found: 431 no systemd controller mountpoint found
lxc-start: start.c: lxc_spawn: 1082 failed initializing cgroup support
lxc-start: start.c: __lxc_start: 1332 failed to spawn 'container'
lxc-start: lxc_start.c: main: 344 The container failed to start.
lxc-start: lxc_start.c: main: 348 Additional information can be obtained by setting the --logfile and --logpriority options.
## begin backport ##
From 843d5baf6aad6c53fc00ea8d95d83209a4f92de1 Mon Sep 17 00:00:00 2001
From: Martin Pitt <martin.pitt@ubuntu.com>
Date: Thu, 10 Nov 2016 05:33:13 +0100
Subject: [PATCH] core: don't use the unified hierarchy for the systemd cgroup
yet (#4628)
Too many things don't get along with the unified hierarchy yet:
* https://github.com/opencontainers/runc/issues/1175
* https://github.com/docker/docker/issues/28109
* https://github.com/lxc/lxc/issues/1280
So revert the default to the legacy hierarchy for now. Developers of the above
software can opt into the unified hierarchy with
"systemd.legacy_systemd_cgroup_controller=0".
Upstream-Status: Backport
---
src/basic/cgroup-util.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 5e73753..dc13025 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -2423,10 +2423,10 @@ bool cg_is_unified_systemd_controller_wanted(void) {
r = get_proc_cmdline_key("systemd.legacy_systemd_cgroup_controller=", &value);
if (r < 0)
- return true;
+ return false;
if (r == 0)
- wanted = true;
+ wanted = false;
else
wanted = parse_boolean(value) <= 0;
}
--
2.10.1
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