From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: disk offline with xen4.0+pvops2.6.31.13 Date: Wed, 28 Apr 2010 09:50:21 -0400 Message-ID: <20100428135021.GA29504@phenom.dumpdata.com> References: <4BD5F8E2.1050105@goop.org> <4BD73BD8.7090509@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: yingbin wang Cc: Jeremy Fitzhardinge , Xen-devel List-Id: xen-devel@lists.xenproject.org On Wed, Apr 28, 2010 at 09:27:30PM +0800, yingbin wang wrote: > we found some info from xen wiki: > > Enabling MSI/MSI-X for Assigned Devices > As of Xen 3.4.0 MSI/MSI-X is always on. > This change was made in changeset: 18454:65dc37be0443 > In Xen 3.3.0, MSI/MSI-X could be enabled using the xen boot parameter "msi=1". > This change was made in changeset: 18127:89d05940cc1c > The following snippet from a grub configuration enables MSI/MSI-X > kernel xen.gz msi=1 > > does it mean that we should also Enable MSI Support for SAS in mptbase module? First try the iommu option (iommu=off for example) and also the x2apic=off Do include your serial log so we can see what kind of error you are getting. And also include you /proc/interrupts output please.