Messages in this thread | | | Subject | Re: [regression, 2.6.37-rc1] 'ip link tap0 up' stuck in do_exit() | From | Eric Dumazet <> | Date | Thu, 09 Dec 2010 18:07:54 +0100 |
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Le vendredi 10 décembre 2010 à 00:47 +0800, Américo Wang a écrit :
> Yeah, there is no point that a zombie can trigger a BUG_ON in kenrel. > But it is still interesting to know why it becomes a zombie... >
A zombie is very easy to get.
Technically speaking, all processes die and become zombies, unless parent said : signal(SIGCLD, SIG_IGN) before fork()
The parent is buggy (sudo in this case ?) and doesnt call wait() to 'free' one of its children.
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