RE: [Xen-ia64-devel] crash while initializing balloon driver

[Alex Williamson <alex.williamson@xxxxxx>]

On Thu, 2007-01-04 at 21:02 -0700, Alex Williamson wrote:
> On Fri, 2007-01-05 at 11:31 +0800, Zhang, Jingke wrote:
> > Hi Alex,
> >     With the new Cset#13122, I met the xen0's crash even
> > dom0_mem=512M. My elilo.conf and the serial port information are in
> > the attachments. Thank you.
> 
>    Can you verify that it works with Isaku's patch here:
> 
> http://lists.xensource.com/archives/html/xen-devel/2007-01/msg00102.html
> 
> It works on HP systems as long as I don't specify a dom0_mem= that
> leaves gaps in the memory map, I was hoping it would be true in the
> interim for other systems as well.  Thanks,

  Actually, looking more closely at your attached log, this cset may be
the culprit:

http://xenbits.xensource.com/ext/xen-ia64-unstable.hg?cs=2d4807ed1056

Does reverting this cset allow you to boot (hg export 13117 | patch -p1
-R)?  The balloon driver crash occurs much later in dom0 bootup.  Looks
like we should probably only set the noncache flag if the WB attribute
is not present since a range can have both WB and UC set.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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