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high cpu load with tcpdump
On my router tcpdump uses always 100% CPU.
PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND
3403 _tcpdump 38 0 19M 3016K RUN/6 0:24 98.08% 70.02% tcpdump
0 root 0 0 0K 1182M CPU/7 49:35 0.00% 3.76% [system]
The problem also occurs when tcpdump is listening on an interface
with no network traffic. Therefore, it can not be a load problem.
The problem does not occur on all interfaces.
ixg(0|1), bnx(0|1) and tap(0|1) are affected.
lo0, stf0 and vlan* are not affected.
System is: NetBSD 7.0_STABLE
Any idea what could be the problem?
Thank you for your efforts.
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