From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Problems accessing passthrough PCI device Date: Thu, 13 Nov 2014 14:29:15 -0500 Message-ID: <20141113192915.GA12502@laptop.dumpdata.com> References: <198478230.20141113102921@gmail.com> <5464C971020000780004739B@mail.emea.novell.com> <196307380.20141113120732@gmail.com> <5464E1D9020000780004746B@mail.emea.novell.com> <429773295.20141113144907@gmail.com> <20141113190338.GB11211@laptop.dumpdata.com> <1747475571.20141113162148@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1747475571.20141113162148@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Simon Martin Cc: Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Thu, Nov 13, 2014 at 04:21:48PM -0300, Simon Martin wrote: > Thanks Konrad, > > Thursday, November 13, 2014, 4:03:38 PM, you wrote: > > >> Yes I do verify the write. How do I check this from Dom0? > > > You can crank up the debug volume in xen-pciback. Recompile the kernel > > and put '#define DEBUG 1' at the start of the .c files. > > > Interestingly enough I saw this issue as well - and it looked to me > > that Xen pciback was stuck in '7' state (Reconfiguring) and never > > excited it. > > > But I hadn't had a chance to dig in this. > > This might be related to something that I reported a while ago, that > when I shutdown the PV it takes a long time for the corresponding > Dom0 processes to stop. > > I'll set the debug level and see what's going on. That'll be on Monday > now. Sure thing. Thank you for reporting it! > > > -- > Best regards, > Simon mailto:furryfuttock@gmail.com >