From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Zeffertt Subject: Re: pciback bug "secondary bus reset failed" Date: Tue, 25 May 2010 09:42:37 +0100 Message-ID: <4BFB8D7D.5080507@eu.citrix.com> References: <4BFAA0DD.3060900@eu.citrix.com> <20100524163023.GZ17817@reaktio.net> <4BFAAEED.3050606@eu.citrix.com> <4BFB21E5.5040905@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4BFB21E5.5040905@intel.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Weidong Han Cc: "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org Weidong Han wrote: > Alex Zeffertt wrote: >> Also, what if you reboot the domU - does the fact that you can't do an FLR on >> the card mean that there will be unpredictable results the 2nd time domU tries >> to initialise it? >> > Yes. FLR is required by pci passthrough. your NIC only can be > co-assigned (#1). #2 is just a temporary workaround for your try. > Is there a way of finding out from a running system whether a PCI card supports Feature Level Reset? Thanks, Alex