Re: [Xen-devel] xen 4.0.1 w/2.6.32.47 hangs at boot

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Sat, Dec 17, 2011 at 12:34:02PM +0100, Quartexx wrote:
> 2011/12/14 Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx> wrote:
> > Ok, but you have a serial console, so you should be able to trigger
> > Alt-SysRQ using the serial console. I think it is something like 'send
> > break'. You should Google for it thought.
> 
> I can successfully trigger Alt-SysRQ using the serial console with a
> non xen environment.
> But I was not able to trigger Alt-SysRQ with xen using the serial
> console.  Probably something related to hvc0?  Would be great to make
> it work.

You could just have the serial console be passed in the dom0 and
not have the Xen hypervisor use it. That would allow you to trigger the
dom0 Alt-SysRQ
> 
> 
> >  I would hazzard a guess that it is something with the 3ware driver.
> 
> I moved the box from datacenter to the office.  I did reboot a lot of
> times and no issue anymore.
> I noticed that when the box was in datacenter, 3ware battery
> temperature state flapping from normal to high (there are three
> states: normal, high and very high).  Just guessing: if reboot happen

Wow. You might want to get a refund from your datacenter if they are
running at those temperatures.
> when in high temperature state then it hangs. Probably with a poweroff
> battery state resets and this explain why never hang at first boot.
> Just a guess... or maybe an electrical contact gone away moving the
> box.
> Maybe you have a better explanation for this strange behaviour
> Thanks
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel