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Re: [Xen-users] Re: [Xen-devel] pci-passthrough in pvops causing offline

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] pci-passthrough in pvops causing offline raid
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Tue, 16 Nov 2010 23:19:24 +0200
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>, "JBeulich@xxxxxxxxxx" <JBeulich@xxxxxxxxxx>, Mark Adams <mark@xxxxxxxxxxxxxxxxxx>
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On Tue, Nov 16, 2010 at 11:04:22AM -0500, Konrad Rzeszutek Wilk wrote:
> > > Could be, but it is unclear - it depends on when the message pops out.
> > > 
> > > But that does not help with finding out why your RAID controller goes 
> > > offline.
> > 
> > Stephan Austermuhle advises that nothing is logged via remote syslog
> > when this hang occurs. I'll reply on that thread to see if he can add
> He can also look at http://wiki.xensource.com/xenwiki/XenSerialConsole
> > the additional logging
> Pasi, is there a Wiki with this?:

I don't think we have this in the wiki.. at least I haven't seen one.. 

-- Pasi
> When the hang happens, he needs to do two things:
>  1) In the Linux kernel, hit SysRq-L, SysRQ-T
>  2). Then  go in the hypervisor, hit Ctrl-A three times.  He should see a 
>      prompt saying (XEN) ** Serial ...
>      and hit '*' - that will collect all of the relevant information.
>  3). Send the full serial log from the start of the machine to us (or in this
>      case, to you Mark - or you can just CC him on this thread).

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