linux-kernel - Re: [Xen-devel] [PATCH 0/2] Xen PV on HVM multiple PV consoles

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Message-ID: <alpine.DEB.2.00.1012071026430.2390@kaball-desktop>
Date:	Tue, 7 Dec 2010 10:30:59 +0000
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Vasiliy G Tolstov <v.tolstov@...fip.ru>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>
Subject: Re: [Xen-devel] [PATCH 0/2] Xen PV on HVM multiple PV consoles

On Mon, 6 Dec 2010, Vasiliy G Tolstov wrote:
> On Mon, 2010-12-06 at 10:36 +0000, Stefano Stabellini wrote:
> 
> > 
> > Could you please add CONFIG_DEBUG_INFO=y to your kernel config, so that
> > we can see the name of the functions in the stack trace?
> > 
> 
> After add debug kernel not crushed. I'm test more expensive it now. Can
> You provide ps auxwww | grep qemu-dm after creating domain with two
> serial consoles? (sles does not have libxl, i want to write now wrapper
> to qemu-dm, after that try to compile rpm from spec to support libxl).
> 

There is no need for any special command line arguments to qemu-dm, it
is going to create as many PV serials as configured on xenstored by
libxl, give a look at tools/libxl/libxl.c:libxl_device_console_add.
The output of the serial is the one specified on the node "output" on
xenstore.
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