From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Gardner Subject: Re: help with horrible network failures Date: Wed, 02 Mar 2005 16:34:18 -0700 Message-ID: <42264D7A.8050303@hp.com> References: <422607F4.4040105@us.ibm.com> <422643B9.6030902@hp.com> <200503021713.31421.jdmason@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit In-Reply-To: <200503021713.31421.jdmason@us.ibm.com> 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: Cc: xen-devel@lists.sourceforge.net List-Id: xen-devel@lists.xenproject.org Jon Mason wrote: > On Wednesday 02 March 2005 04:52 pm, Rob Gardner wrote: > >>Nivedita Singhvi wrote: >> >>>Rob Gardner wrote: >>> >>>>The machine with the problem: >>>>Intel e100 nic >>>>1.7 Ghz Xeon >>> >>>Yep, practically all instances of this problem were >>>with the e100. Unfortunately, the current version >>>of the driver no longer has NAPI as a dynamically >>>tunable parameter via ethtool. It can be disabled >>>via a kernel config parameter (CONFIG_E100_NAPI). >>>You could recompile and see if the problem disappears. >>>(Not a real fix). >> >>My current configuration has: >># CONFIG_E100_NAPI is not set >> >>Isn't that the same as it being disabled? Or should I change it to: >>CONFIG_E100_NAPI=n > > > Yes, that is disabled, but from my previous statement that does nothing in > e100 (as it is enabled regardless of that compile flag). I think there have > been a few driver fixes that were dropped in the newly released 2.6.11. If > you can't change the adapter, it might be worth trying. So... the answer is to try linux kernel 2.6.11? The latest xen-unstable still looks like it's using 2.6.10, and so does xen-2.04. So I don't understand what exactly I should try next. > > NAPI is a compile time option, not a runtime option. so, it must be enabled > during kernel compilation. But you just said that it does nothing in e100. Or do you mean I need to modify the e100 driver directly? Rob ------------------------------------------------------- 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