Re: About Xen bridged pci devices and suspend/resume for the X10SAE motherboard (SuperMicro)

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Mon, Aug 10, 2015 at 09:21:35PM +0300, M. Ivanov wrote:
> On Mon, 2015-08-10 at 10:47 -0400, Konrad Rzeszutek Wilk wrote:
> > On Mon, Aug 10, 2015 at 05:14:28PM +0300, M. Ivanov wrote:
> > > On Mon, 2015-08-10 at 09:58 -0400, Konrad Rzeszutek Wilk wrote:
> > > > On Mon, Aug 10, 2015 at 02:11:38AM +0300, M. Ivanov wrote:
> > > > > Hello,
> > > > > 
> > > > > excuse me for bothering you, but I've read an old thread on a mailing
> > > > > list about X10SAE compatibility. 
> > > > > http://lists.xen.org/archives/html/xen-devel/2014-02/msg02111.html
> > > > 
> > > > CC-ing Xen devel.
> > > > > 
> > > > > Currently I own this board and am trying to use it with Xen and be able
> > > > > to suspend and resume.
> > > > > 
> > > > > But I am getting errors from the USB 3 Renesas controller about parity
> > > > > in my bios event log, and my system hangs on resume,
> > > > > so I was wondering if that is connected to the bridge(tundra) you've
> > > > > mentioned.
> > > > 
> > > > Did you update the BIOS to the latest version?
> > > Will updating to version 3 solve my issue?
> > > Can you do a suspend/resume on your X10SAE?
> > 
> > It did work at some point. I will find out when I am at home later today.
> > 
> Looking forward to your reply and am really thankful for your time,
> so far I've tried changing many of the settings in the bios,
> fiddling with Xen's kernel params,
> blacklisting the xhci driver, doing a xl detach.
> 
> The only thing I haven't done yet is updating the bios,
> but Supermicro's support couldn't give me a changelog:
> 
> "The primary objective for ver3.0 BIOS release is to support Intel
> Broadwell CPUs"
> "We do not know if BIOS update will fix the issue you are seeing as we
> never tested it with Xen."

I did test it remotely and it did something very odd. It suspended and then
immediately resumed with tons of VT-d errors!?

I will try again but be actually right by it.
> > > > > 
> > > > > I will be very glad if you could share any information regarding this
> > > > > matter. 
> > > > > 
> > > > > Best regards,
> > > > > M. Ivanov
> > > > 
> > > > 
> > > 
> > 
> > 
>