Got it - Thanks !
A followup question - is there an option to manually release the queue, in case kill -9 was indeed used ? Thanks again, Moshe
A followup question - is there an option to manually release the queue, in case kill -9 was indeed used ? Thanks again, Moshe
On Jul 18, 2016 14:44, Alfredo Cardigliano wrote:
Hi Moshe
killing tcpdump with -9 prevents it from releasing the queue correctly, thus you are no more able to open it. This is an expected behaviour in zero-copy mode.
Alfredo
> On 18 Jul 2016, at 13:13, Moshe Danielli wrote:
>
>
> Hello Guys,
>
> I've been experiencing a problem where I execute the following sequence of commands:
>
> 1. nohup tcpdump -i zc:99@0 &
> 2. kill -9 tcpdump_pid
> 3. tcpdump -i zc:99@0 -> this command yields the following error: "tcpdump: zc:99@0: No such device exists"
>
> It's important to note that, killing tcpdump, without using the KILL signal (hitting CTRL-C for example or just using: "kill tcpdump_pid") will let me reuse that cluster node.
>
> I'm curious as to why that's the current behavior.
>
> Thanks in advance
>
>
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