Date: Wed, 11 May 2005 13:16:59 +0530 From: Subhro <subhro.kar@gmail.com> To: Rob <spamrefuse@yahoo.com> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: xl(4) & polling Message-ID: <4281B873.7020208@gmail.com> In-Reply-To: <20050511074309.8454.qmail@web54001.mail.yahoo.com> References: <20050511074309.8454.qmail@web54001.mail.yahoo.com>
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This is a multi-part message in MIME format. --------------020007020503090001060109 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 5/11/2005 13:13, Rob wrote: >--- Subhro <subhro.kar@gmail.com> wrote: > > > >>On 5/11/2005 8:04, Rob wrote: >> >> >> >>>All computers are running 5-Stable, as of May 10. >>>All, but PC1 with fxp, use polling, with: >>> options DEVICE_POLLING >>> options HZ=1000 >>> >>> >>> >>> >>1000 IMHO seems a bit too heavy. Try something >>lower. >> >> > >Same problem. Ssh-tunnel connection is also disrupted >with HZ=100. May I conclude that the HZ value is not >the culprit? Or should I try once again with HZ=10? > > 100 should be fine. 10 would be a bit too much overkill. >kern.ipc.nmbclusters is 4928 for this PC. >Is that good or bad? > > What is the purpose of the box? Give a description of the network traffic. >"sysctl -a | grep -i polling" gives following: >kern.polling.burst: 150 >kern.polling.each_burst: 5 >kern.polling.burst_max: 150 >kern.polling.idle_poll: 0 >kern.polling.poll_in_trap: 0 >kern.polling.user_frac: 50 >kern.polling.reg_frac: 20 >kern.polling.short_ticks: 0 >kern.polling.lost_polls: 6 >kern.polling.pending_polls: 0 >kern.polling.residual_burst: 0 >kern.polling.handlers: 0 >kern.polling.enable: 0 >kern.polling.phase: 0 >kern.polling.suspect: 6 >kern.polling.stalled: 0 >kern.polling.idlepoll_sleeping: 1 ><118>kern.polling.enable: ><118>xl0: flags=18843<UP,BROADCAST,RUNNING,SIMPLEX, > MULTICAST,POLLING> mtu 1500 ><118> options=49<RXCSUM,VLAN_MTU,POLLING> ><118>xl1: flags=18843<UP,BROADCAST,RUNNING,SIMPLEX, > MULTICAST,POLLING> mtu 1500 ><118> options=49<RXCSUM,VLAN_MTU,POLLING> > > > Did you use any strange CFLAGS like -O3 or -f* compile time options when you built the system? Regards S. --------------020007020503090001060109--
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