Coywolf Qi Hunt [Tue, Oct 04, 2005 at 04:12:40PM +0800]: > On 10/4/05, Nico Schottelius <[email protected]> wrote: > > Coywolf Qi Hunt [Sun, Jul 10, 2005 at 01:09:22AM +0800]: > > > On 7/9/05, Nico Schottelius <[email protected]> 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. Ok, as far as I understood my init simply returns to its normal state and hopes that the kernel halts|reboots|powers off. Will do that' thanks for the info. Nico -- Latest project: cconfig (http://nico.schotteli.us/papers/linux/cconfig/) Open Source nutures open minds and free, creative developers.
Attachment:
signature.asc
Description: Digital signature
- References:
- Re: halt: init exits/panic
- From: Nico Schottelius <[email protected]>
- Re: halt: init exits/panic
- From: Coywolf Qi Hunt <[email protected]>
- Re: halt: init exits/panic
- Prev by Date: Re: [Alsa-devel] Re: [ALSA] snd-emu10k1: ALSA bug#1297: Fix a error recognising the SB Live Platinum.
- Next by Date: Re: [PATCH 2.6] Do not set ATTR_CTIME in do_truncate(). - was: Re: truncate(2) sometimes updates ctime and sometimes ctime and mtime!
- Previous by thread: Re: halt: init exits/panic
- Next by thread: 2.4.x: big problems with md over sata
- Index(es):