The -daemonize option is too restrictive when using with SDL. It also switches the working directory to / too early which causes block devices with a relative path to fail.
The -daemonize option is needed for my regression testing so I've included this patch in the series. This patch hasn't changed since v1. diff --git a/vl.c b/vl.c index 7dcddf3..28d6f6c 100644 --- a/vl.c +++ b/vl.c @@ -8757,11 +8757,6 @@ int main(int argc, char **argv) } #ifndef _WIN32 - if (daemonize && !nographic && vnc_display == NULL) { - fprintf(stderr, "Can only daemonize if using -nographic or -vnc\n"); - daemonize = 0; - } - if (daemonize) { pid_t pid; @@ -8799,7 +8794,6 @@ int main(int argc, char **argv) exit(1); umask(027); - chdir("/"); signal(SIGTSTP, SIG_IGN); signal(SIGTTOU, SIG_IGN); @@ -9065,6 +9059,7 @@ int main(int argc, char **argv) if (len != 1) exit(1); + chdir("/"); TFR(fd = open("/dev/null", O_RDWR)); if (fd == -1) exit(1);