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-rw-r--r--src/main.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/main.c b/src/main.c
index 8d27eb4266..176a4f5ecb 100644
--- a/src/main.c
+++ b/src/main.c
@@ -985,10 +985,26 @@ static void test_usr(void) {
/* Check that /usr is not a separate fs */
- if (dir_is_empty("/usr") > 0)
- log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
- "Some things will probably break (sometimes even silently) in mysterious ways. "
- "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
+ if (dir_is_empty("/usr") <= 0)
+ return;
+
+ log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
+ "Some things will probably break (sometimes even silently) in mysterious ways. "
+ "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
+}
+
+static void test_cgroups(void) {
+
+ if (access("/proc/cgroups", F_OK) >= 0)
+ return;
+
+ log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
+ "Systems without control groups are not supported. "
+ "We will now sleep for 10s, and then continue boot-up. "
+ "Expect breakage and please do not file bugs. "
+ "Instead fix your kernel and enable CONFIG_CGROUPS." );
+
+ sleep(10);
}
int main(int argc, char *argv[]) {
@@ -1171,6 +1187,7 @@ int main(int argc, char *argv[]) {
test_mtab();
test_usr();
+ test_cgroups();
}
if ((r = manager_new(arg_running_as, &m)) < 0) {