Re: [Xen-devel] HVM crash system on AMD APU A8-6600K

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 02/03/2014 10:18 AM, Vitaliy Tomin wrote:
> > You might want to add 'sync_console' on your Xen line. That should
> give you a bit more of data (I hope?)
>
> Here is  log captured with sync_console and empty hvm config.
> (XEN) SR-IOV device 0000:00:11.0 has its virtual functions already 
enabled (01ab)
11.0 is the SATA controller on FCH and I don't believe it's an SR-IOV 
device. I dont' think it even has extended config space.
-boris

> On Mon, Feb 3, 2014 at 11:55 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@xxxxxxxxxx> wrote:
> > On Mon, Feb 03, 2014 at 11:36:23PM +0900, Vitaliy Tomin wrote:
> > > > What about without PCI passthrough?  In all cases you appear to be
> > > passing the embedded graphics through to an HVM domain
> > >
> > > Next log captured with following hvm domain config:
> > >
> > > name = 'blank'
> > > builder = 'hvm'
> > > memory = 1024
> > >
> > > Only 3 lines. It takes longer to crash, about 5-10 minutes, with OS in
> > > hvm it takes less than a minute.
> > You might want to add 'sync_console' on your Xen line. That should
> > give you a bit more of data (I hope?)
> > > Now trying to make log with watchdog added
> > >
> > > On Mon, Feb 3, 2014 at 11:32 PM, Andrew Cooper
> > > <andrew.cooper3@xxxxxxxxxx> wrote:
> > > > Can you please reply-to-all to keep this on the list.
> > > >
> > > > On 03/02/14 14:21, Vitaliy Tomin wrote:
> > > > > > Does it start with debug=n, but without trying to passthrough the pci device 
> > > > > > (the graphics core of the apu?) to the hvm ?
> > > > > No it crashes even with empty HVM domain (no os, no disk images no network)
> > > > What about without PCI passthrough?  In all cases you appear to be
> > > > passing the embedded graphics through to an HVM domain
> > > >
> > > > > > Can you explain "=== whole system crashed ===" a little more.
> > > > > II means system instantly rebooted. Black screen, no messages, no
> > > > > image on screen next what I see is POST of my real hardware.
> > > > >
> > > > > Log of xen runned with debug=y attached,hvm dom runned and no crash.
> > > > Ok - so something forced a system reset.  Even more curious that debug
> > > > mode is fine while non-debug is fatal.
> > > >
> > > > ~Andrew

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