netdev - Re: udp packet not reach application

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Message-ID: <kln9fr$25u$1@ger.gmane.org>
Date:	Tue, 30 Apr 2013 02:15:24 +0000 (UTC)
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	netdev@...r.kernel.org
Subject: Re: udp packet not reach application

On Mon, 29 Apr 2013 at 13:36 GMT, Min Wang <ser.basis@...il.com> wrote:
>
> At first, it was working as my app did get udp traffic.
>
> After a while, strace showed that my app stuck at recvfrom, no udp traffic.
>
> But tcpdump did show that the udp traffic was still coming/alive.
>

Try dropwatch to see where the packets get dropped.

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