From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Dunlap Subject: Re: xl pci-detach vs xm pci-detach in Xen 4.3 (one works, the other does not) Date: Mon, 10 Jun 2013 14:28:11 +0100 Message-ID: <51B5D46B.4010200@eu.citrix.com> References: <20130607154553.GC24882@phenom.dumpdata.com> <20130610132056.GC4504@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130610132056.GC4504@phenom.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: "xen-devel@lists.xensource.com" , Jan Beulich , xenbugs List-Id: xen-devel@lists.xenproject.org On 10/06/13 14:20, Konrad Rzeszutek Wilk wrote: > On Mon, Jun 10, 2013 at 12:12:47PM +0100, George Dunlap wrote: >> create ^ >> title it xl pci-detach failure >> thanks >> >> On Fri, Jun 7, 2013 at 4:45 PM, Konrad Rzeszutek Wilk >> wrote: >>> any thoughts? I don't know if this is a regression or not, but the >>> libxl errors are pointing me to the recent XSA issue - which I thought >>> was fixed? >> I think the recent issue was with xend not working. Did we fix send >> and break xl? > Could be. It might also be that that 'xl' never did it the same way > as 'xend' (meaning this might be a XenBus teardown change). > > Note also that this is PV guests - and I think most of the testing > had been with the HVM guests with PCI passthrough. So it might be a > seperate issue altogether. Or that nobody tried doing PCI plug/unplug > in the past :-( I certainly did before my February FOSDEM talk that included driver domains. > >> In any case, this is a pretty important feature; I think we need to >> sort it out before release, so I'm giving it a bug id to track. >> >> Is "pci permissive" set in the global xl.conf file? > No. Let me of course try that. That really should have to do with getting it working in the first place, not detaching it; but still... >> Have you tried this with say, a stock Debian Wheezy kernel? > No. A v3.10-rc4 with Xen 4.3 latest. > > Is Debian Wheezy a 2.6.32 kernel? No, 3.2. -George