From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Martin Subject: Re: Problems accessing passthrough PCI device Date: Thu, 13 Nov 2014 16:21:48 -0300 Message-ID: <1747475571.20141113162148@gmail.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> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20141113190338.GB11211@laptop.dumpdata.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: Konrad Rzeszutek Wilk Cc: Jan Beulich , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org 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. -- Best regards, Simon mailto:furryfuttock@gmail.com