Date: Wed, 11 May 2005 00:43:09 -0700 (PDT) From: Rob <spamrefuse@yahoo.com> To: Subhro <subhro.kar@gmail.com> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: xl(4) & polling Message-ID: <20050511074309.8454.qmail@web54001.mail.yahoo.com> In-Reply-To: <42817E93.1030204@gmail.com>
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--- 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?
kern.ipc.nmbclusters is 4928 for this PC.
Is that good or bad?
"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>
I actually doubt whether the default values of
these sysctl variables would cause the problem.
Regards,
Rob.
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