X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fnspawn.c;fp=src%2Fnspawn.c;h=b548b126c6e5dccae2a71abcfdc07a5659d64135;hp=b8b379d9913d1fec63ff19ee53bf63a200119bbe;hb=52af21063b365f231ee6ae8bac18d690fff85799;hpb=0716c60e37d2083325cd5316caf4310f0acc9a89

diff --git a/src/nspawn.c b/src/nspawn.c
index b8b379d99..b548b126c 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;
         }