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-rw-r--r--src/nspawn.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/nspawn.c b/src/nspawn.c
index b8b379d991..b548b126c6 100644
--- a/src/nspawn.c
+++ b/src/nspawn.c
@@ -706,8 +706,13 @@ int main(int argc, char *argv[]) {
sigset_add_many(&mask, SIGCHLD, SIGWINCH, SIGTERM, SIGINT, -1);
assert_se(sigprocmask(SIG_BLOCK, &mask, NULL) == 0);
- if ((pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL)) < 0) {
- log_error("clone() failed: %m");
+ pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL);
+ if (pid < 0) {
+ if (errno == EINVAL)
+ log_error("clone() failed, do you have namespace support enabled in your kernel? (You need UTS, IPC, PID and NET namespacing built in): %m");
+ else
+ log_error("clone() failed: %m");
+
goto finish;
}