Messages in this thread | | | Date | Tue, 4 Oct 2005 16:12:40 +0800 | From | Coywolf Qi Hunt <> | Subject | Re: halt: init exits/panic |
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On 10/4/05, Nico Schottelius <nico-kernel@schottelius.org> wrote: > Coywolf Qi Hunt [Sun, Jul 10, 2005 at 01:09:22AM +0800]: > > On 7/9/05, Nico Schottelius <nico-kernel@schottelius.org> wrote: > > > Hello! > > > > > > What's the 'correct behaviour' of an init system, if someone wants > > > to shutdown the system? > > > > > > I currently do: > > > > > > - call reboot(RB_POWER_OFF/RB_AUTOBOOT/RB_HALT_SYSTEM) > > > - _exit(0) > > > > > > Is this exit() call wrong? If I do RB_HALT_SYSTEM and _exit(0) after, > > > the kernel panics. > > > > What the panic shows? > > To be fully correct: > > "Kernel panic - not syncing: Attempted to kill init" (from the last time > I tried, 2.6.13.2) > > Perhaps _exit(0) is not correct for an init system? > This at least explains why it always looks like nothing is synced.
Right. init(8) should not call _exit() or exit(). Otherwise you'll get that panic. It's OK for *another* process, reboot(8) to call reboot(2) and then exit(). You should follow this way. -- Coywolf Qi Hunt http://sosdg.org/~coywolf/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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