From: "B.G. Bruce" <bgb@nt-nv.com>
To: Nuutti Kotivuori <naked@iki.fi>
Cc: xen-devel <xen-devel@lists.sourceforge.net>
Subject: Re: Re: Serious performance issues
Date: Mon, 07 Mar 2005 15:34:28 -0400 [thread overview]
Message-ID: <1110224067.4730.263.camel@master.vms.security> (raw)
In-Reply-To: <87wtsj462j.fsf@aka.i.naked.iki.fi>
Can you do a "lspci -v" as root and see if there is any correlation
between your network adapters and your usb devices? (same interrupt) or
something.
Thanks,
B.
On Mon, 2005-03-07 at 15:19, Nuutti Kotivuori wrote:
> Tommi Virtanen wrote:
> > Problem #2: bridge setfd/sethello 0 causes timer interrupt storm,
> > but does not degrade performance significantly. Workaround is to not
> > set such low numbers. Will talk to brctl/bridging maintainers to
> > make it more foolproof.
>
> This is really odd. We run a lot of bridges with such settings. Or, to
> be specific, for us, 'setfd' is always 0, 'setageing' is either 0 or
> 300, depending if we want the bridge to act as a 'hub' or not. STP is
> always off.
>
> Under these circumstances, we have never seen a timer interrupt
> storm. But perhaps it is particular to having STP on.
>
> -- Naked
>
>
>
>
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prev parent reply other threads:[~2005-03-07 19:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-07 8:19 Serious performance issues Ian Pratt
2005-03-07 9:23 ` Tommi Virtanen
2005-03-07 19:19 ` Nuutti Kotivuori
2005-03-07 19:34 ` B.G. Bruce [this message]
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