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

From: Mark Adams <mark@campbell-lange.net>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, au@hcsd.de
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
	"JBeulich@novell.com" <JBeulich@novell.com>,
	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Re: pci-passthrough in pvops causing offline raid
Date: Tue, 16 Nov 2010 16:47:20 +0000	[thread overview]
Message-ID: <20101116164720.GA19717@campbell-lange.net> (raw)
In-Reply-To: <20101116160422.GC6535@dumpdata.com>

Hi Stephan, please see debugging instructions from Konrad below.

Regards,
Mark

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?:
> 
> 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).