init/main.c: improve usability in case of init binary failure

- new Documentation/init.txt file describing various forms of failure
  trying to load the init binary after kernel bootup

- extend the init/main.c init failure message to direct to
  Documentation/init.txt

Signed-off-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andreas Mohr 2010-03-05 13:42:39 -08:00 committed by Linus Torvalds
parent 87d5e0236d
commit 9a85b8d604
2 changed files with 51 additions and 1 deletions

View file

@ -847,7 +847,8 @@ static noinline int init_post(void)
run_init_process("/bin/init");
run_init_process("/bin/sh");
panic("No init found. Try passing init= option to kernel.");
panic("No init found. Try passing init= option to kernel. "
"See Linux Documentation/init.txt for guidance.");
}
static int __init kernel_init(void * unused)