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Re: high cpu load with tcpdump



On Sat, 27 Feb 2016, 6bone%6bone.informatik.uni-leipzig.de@localhost wrote:

Date: Sat, 27 Feb 2016 23:52:24 +0100 (CET)
From: 6bone%6bone.informatik.uni-leipzig.de@localhost
To: Joerg Sonnenberger <joerg%britannica.bec.de@localhost>
Cc: current-users%netbsd.org@localhost
Subject: Re: high cpu load with tcpdump

On Sat, 27 Feb 2016, Joerg Sonnenberger wrote:

fstat should tell you what the file descriptor is, I just want to
identify what device seems to have the trouble.

Hello,

the problem occurs only on one of my servers. I tried to find the difference. It is the bind9 (bind-9.10.3pl3). If I stop the bind9, tcpdump works without problems. When I restart the bind9, the CPU load goes back to 100%.

Is it a problem of the kernel, tcpdump or bind9?


Thank you for your efforts


Regards
Uwe


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