Messages in this thread Patch in this message | | | Date | Sun, 16 Mar 2008 18:54:53 +0300 | From | Oleg Nesterov <> | Subject | [PATCH 4/5] don't panic if /sbin/init exits or killed |
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If the buggy init exits, the kernel panics. I see no point for this. It is very possible that the system is still usable enough, at least to read the logs and prepare the bug report.
Change exit_child_reaper() to do BUG() instead of panic().
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
--- 25/kernel/exit.c~4_EXIT_DONT_PANIC 2008-03-16 16:49:30.000000000 +0300 +++ 25/kernel/exit.c 2008-03-16 16:49:35.000000000 +0300 @@ -861,8 +861,10 @@ static inline void exit_child_reaper(str if (likely(tsk->group_leader != task_child_reaper(tsk))) return; - if (tsk->nsproxy->pid_ns == &init_pid_ns) - panic("Attempted to kill init!"); + if (unlikely(tsk->nsproxy->pid_ns == &init_pid_ns)) { + printk(KERN_EMERG "Kernel panic - init is killed!\n"); + BUG(); + } /* * @tsk is the last thread in the 'cgroup-init' and is exiting.
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