Date: Thu, 25 Mar 2004 00:40:16 -0800 (PST) From: Artis Caune <artis@fbsd.lv> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/64690: rl device with polling enabled generates ~600000 outgoing "hidden" packets Message-ID: <200403250840.i2P8eGpO004072@www.freebsd.org> Resent-Message-ID: <200403250850.i2P8oJrk012829@freefall.freebsd.org>
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>Number: 64690 >Category: misc >Synopsis: rl device with polling enabled generates ~600000 outgoing "hidden" packets >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Mar 25 00:50:19 PST 2004 >Closed-Date: >Last-Modified: >Originator: Artis Caune >Release: 5.2.1, 4.9 >Organization: >Environment: FreeBSD fbsd.lv 5.2.1-RELEASE-p3 FreeBSD 5.2.1-RELEASE-p3 #0: Thu Mar 18 13:01:46 EET 2004 root@fbsd.lv:/usr/obj/usr/src/sys/KERNEL i386 >Description: with polling enabled: ~16% interupts 'netstat -w1' show about 600000 outgoing packets tcpdump is quiet with polling disabled: CPU is idle 'netstat -w1' show only some outgoing packets tcpdump is also quiet ;-) this is only for outgoing packets, incoming packets works as expected. same problem on 5.2.1 and 4.9 >How-To-Repeat: get rl nic, recompile kernel with polling enabled, and watch: top -u netstat -w1 netstat -in tcpdump -n -i rl0 >Fix: disable polling: sysctl kern.polling.enable=0 >Release-Note: >Audit-Trail: >Unformatted:
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