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    SubjectRe: [PATCH] 2.4 and 2.5: remove Alt-Sysrq-L
    On Tue, Mar 19, 2002 at 09:00:21AM +0100, Kasper Dupont wrote:
    > Russell King wrote:
    > >
    > > With all recent kernels, init exiting causes the last of these to trigger:
    > >
    > > NORET_TYPE void do_exit(long code)
    > > {
    > > struct task_struct *tsk = current;
    > >
    > > if (in_interrupt())
    > > panic("Aiee, killing interrupt handler!");
    > > if (!tsk->pid)
    > > panic("Attempted to kill the idle task!");
    > > if (tsk->pid == 1)
    > > panic("Attempted to kill init!");
    >
    > Why actually panic because of an attempt to kill init?
    >
    > Of course a message should be printed, but after that
    > couldn't do_exit enter a loop where it just handles
    > signals and zombies?

    Examine the LKML archive around 23rd December 2001, where Alan Cox wrote:

    | pid1 ends up trying to kill pid1 and it goes deeply down the toilet from
    | that point onwards. The Unix traditional world reboots when pid 1 dies.

    --
    Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
    http://www.arm.linux.org.uk/personal/aboutme.html

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