Since [17937], the "controlling tty hack" code has been removed from
init.c.
It added an (I think) unwanted side effect.
The kernel may be unable to open a console, and then starts init without
any fd opened. The previous code would end up opening /dev/null and set
std(in|out|err) to it for any inittab line with "terminal" field empty,
but the new code doesn't, and it took me some time to understand why
some daemons were not working.
In case it's a mistake, this (very dirty) patch restore the old
behaviour.
--- busybox-1.6.0/init/init.c.old 2007-06-11 19:28:23.000000000 +0200
+++ busybox-1.6.0/init/init.c 2007-06-11 19:28:29.000000000 +0200
@@ -265,6 +265,7 @@
{
struct serial_struct sr;
char *s;
+ int i;
s = getenv("CONSOLE");
if (!s) s = getenv("console");
@@ -290,6 +291,11 @@
#endif
} else if (!s)
putenv((char*)"TERM=linux");
+
+ for (i = 0; i < 3; i++) {
+ if (dup2(i, i))
+ dup2(i, device_open(bb_dev_null, O_RDWR));
+ }
}
static void fixup_argv(int argc, char **argv, const char *new_argv0)
--
Maxime
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