Date: Mon, 20 Dec 2010 14:25:29 GMT From: Yusuf Ozbilgin <yusuf@gunes.net> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/153308: em interface use 100% cpu Message-ID: <201012201425.oBKEPTdE067411@red.freebsd.org> Resent-Message-ID: <201012201430.oBKEUB8F043308@freefall.freebsd.org>
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>Number: 153308
>Category: misc
>Synopsis: em interface use 100% cpu
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Dec 20 14:30:11 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Yusuf Ozbilgin
>Release: Freebsd 7.3
>Organization:
Gunes Bilg. A.S
>Environment:
FreeBSD firewall.test.local 7.3-RELEASE-p2 FreeBSD 7.3-RELEASE-p2 #0: Wed Sep 22 17:41:32 EEST 2010 root@firewall.test.local:/usr/obj/usr/src/sys/GATEWAY-FW i386
>Description:
After installing freebsd as a gateway, natd use 100% cpu without any network load, I am using em interfaces. I updated kernel and recompiled but nothing changed.
em0@pci0:1:0:0: class=0x020000 card=0x00008086 chip=0x10d38086 rev=0x00 hdr=0x00
vendor = 'Intel Corporation'
class = network
subclass = ethernet
cap 01[c8] = powerspec 2 supports D0 D3 current D0
cap 05[d0] = MSI supports 1 message, 64 bit enabled with 1 message
cap 10[e0] = PCI-Express 1 endpoint max data 128(256) link x1(x1)
cap 11[a0] = MSI-X supports 5 messages in map 0x1c
top
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
1592 root 1 112 0 3348K 1316K RUN 0 0:38 85.09% natd
1899 postfix 1 4 0 24600K 21336K kqread 0 0:06 0.00% qmgr
1762 root 1 44 0 39132K 36772K select 0 0:03 0.00% perl
>How-To-Repeat:
Always
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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