From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tommi Virtanen Subject: Re: Serious performance issues Date: Mon, 07 Mar 2005 09:11:33 +0200 Message-ID: <422BFEA5.2030003@tv.debian.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: 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: Ian Pratt Cc: xen-devel@lists.sourceforge.net, ian.pratt@cl.cam.ac.uk List-Id: xen-devel@lists.xenproject.org Ian Pratt wrote: > Just to be clear, you're not using the usb virtualization stuff, just > accessing the device in domain 0? During these tests, no domU was ever started. > Does anyone else see this interrupt storm with USB devices active? > Please can everyone check as I'll hold the 2.0.5 release (with USB > enabled in the default config) until we understand the scale of the > problem. Also, note that I can get the same problem with bridging: lots of timer interrupts ip li set dev br0 down --> timer gets 30/s ip li set dev br0 up --> timer goes crazy ------------------------------------------------------- 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