Thanks Pasi. I will take a look at the FC13 wiki.
This is a T410 system. There is no serial port but my guess is it has SOL. Do
you know of a good wiki on getting SOL working?
Allen
-----Original Message-----
From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
Sent: Tuesday, September 28, 2010 11:05 PM
To: Kay, Allen M
Cc: Konrad Rzeszutek Wilk; Dietmar Hahn; Han, Weidong;
xen-devel@xxxxxxxxxxxxxxxxxxx; Jean Guyader
Subject: Re: [Xen-devel] Problem: Pattern with vertical colored lines on the
dom0 screen
On Tue, Sep 28, 2010 at 04:54:05PM -0700, Kay, Allen M wrote:
> Thanks Konrad. I got hold of a T410 and able to duplicate the problem with
> the 2.6.36-rc5 kernel.
>
> Currently, I'm encountering a problem with the latest xen/pvops kernel. I'm
> getting "No root device found ... Boot has failed, sleep forever."
>
> If anyone knows how to fix this (i.e. which config to turn on), please let me
> know. My base OS is FC13.
>
Does your initrd image have/load the proper driver for your disk controller?
Did you see: http://wiki.xensource.com/xenwiki/Fedora13Xen4Tutorial ?
Does that system have a serial port, or SOL (on a management chip) ?
-- Pasi
> Allen
>
> -----Original Message-----
> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@xxxxxxxxxx]
> Sent: Monday, September 27, 2010 9:47 AM
> To: Dietmar Hahn; Han, Weidong; Kay, Allen M
> Cc: Jean Guyader; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] Problem: Pattern with vertical colored lines on the
> dom0 screen
>
> On Mon, Sep 27, 2010 at 02:06:26PM +0200, Dietmar Hahn wrote:
> > Hi Jean,
> >
> > many thanks for this hint! This saved me a lot of time searching through
> > the specs.
> >
> > Am 24.09.2010 schrieb Jean Guyader:
> > > The problem we saw with that the bit 10 of the GCC (offset 0x52 on the
> > > PCH config space)
> > > wasn't set after the bios. This bit probably enable the shadow GTT
> > > (created with the GTT + vt-d).
> >
> > Yes, the same problem here!
> > I found the following patch, maybe something similar would help here too?
> > https://patchwork.kernel.org/patch/132771
>
> There looks to be another in the upstream kernels:
>
> check_tylersburg_isoch
> >
> > So I have to hit the bios development :-(
>
> Well, we should probably provide a quirk check in the Xen code.
>
> Copying the Intel folks to see if they any ideas on adding this in the Intel
> VT-d
> code paths. Or they might have already a patch ready for this?
> >
> > > The vertical stripes means GTT fault.
> > >
> > > Jean
> >
> > Many thanks!
> > Dietmar.
> >
> > --
> > Company details: http://ts.fujitsu.com/imprint.html
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
>
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