From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Adams Subject: Re: [Xen-users] Re: pci-passthrough in pvops causing offline raid Date: Mon, 15 Nov 2010 17:56:27 +0000 Message-ID: <20101115175626.GA31636@campbell-lange.net> References: <20101111175809.GA30825@dumpdata.com> <20101111181329.GA9058@campbell-lange.net> <20101111184723.GA10054@campbell-lange.net> <20101111190658.GC15530@dumpdata.com> <20101112171058.GA29875@campbell-lange.net> <20101112222215.GC26189@dumpdata.com> <3A9FD6B4-B741-4BAA-90C9-E3CA1143EA7A@campbell-lange.net> <20101115171543.GB7414@dumpdata.com> <20101115172309.GA30777@campbell-lange.net> <20101115174413.GA8227@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20101115174413.GA8227@dumpdata.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: Konrad Rzeszutek Wilk Cc: "xen-devel@lists.xensource.com" , "xen-users@lists.xensource.com" , "JBeulich@novell.com" List-Id: xen-devel@lists.xenproject.org On Mon, Nov 15, 2010 at 12:44:13PM -0500, Konrad Rzeszutek Wilk wrote: > On Mon, Nov 15, 2010 at 05:23:09PM +0000, Mark Adams wrote: > > On Mon, Nov 15, 2010 at 12:15:44PM -0500, Konrad Rzeszutek Wilk wrote: > > > On Sun, Nov 14, 2010 at 05:15:02PM +0000, Mark Adams wrote: > > > > > > > > On 12 Nov 2010, at 22:22, Konrad Rzeszutek Wilk wrote: > > > > > > > > > On Fri, Nov 12, 2010 at 05:10:58PM +0000, Mark Adams wrote: > > > > >> On Thu, Nov 11, 2010 at 02:06:58PM -0500, Konrad Rzeszutek Wilk wrote: > > > > >>>> I've just noticed this at the end of xm dmesg > > > > >>>> > > > > >>>> (XEN) msi.c:715: MSI is already in use on device 02:00.0 > > > > >>>> (XEN) msi.c:715: MSI is already in use on device 02:00.0 > > > > >>>> (XEN) msi.c:715: MSI is already in use on device 02:00.0 > > > > > > Looking briefly at the code it means that somebody enabled the MSI > > > already on the device and did not disable them. But I wonder how > > > you got those in the first place. Did you use xen-pciback.hide (for PVOPS kernels) > > > or pciback.hide (for older kernels) to "hide" the devices away from the > > > Linux Dom0 kernel? > > > > using xen-pciback.hide as its a pvops kernel (debian squeeze > > 2.6.32-5-27) > > Ok. Then it might be worth looking in when this happens. I think > there is an argument on the Xen hyperisor line to include the time-stamp, but > I don't remember it :-( > > > > Didn't you say that you had two servers and saw this problem on another > > > box too? > > > > > > Without more details on the Xen hypervisor line or the kernel line when > > > the failure occurs I sadly can't help you. > > > > Yes this occurs on both servers that I've tried it on. Doesn't the MSI > > log above indicate that there is a conflict - which is what ends up > > causing the device to go offline? Is there no other way to identify the > > Could be, but it is unclear - it depends on when the message pops out. The message appears immediately on boot. > > But that does not help with finding out why your RAID controller goes offline. Maybe the other user having a similar issue can help with logs if it is still happening to him. I'll ask on that thread... Regards, Mark