From mboxrd@z Thu Jan 1 00:00:00 1970 From: "B.G. Bruce" Subject: Re: Re: Serious performance issues Date: Mon, 07 Mar 2005 15:34:28 -0400 Message-ID: <1110224067.4730.263.camel@master.vms.security> References: <422C1D8F.9090804@tv.debian.net> <87wtsj462j.fsf@aka.i.naked.iki.fi> Reply-To: bgb@nt-nv.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit In-Reply-To: <87wtsj462j.fsf@aka.i.naked.iki.fi> Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Nuutti Kotivuori Cc: xen-devel List-Id: xen-devel@lists.xenproject.org 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 > > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/xen-devel > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click