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Re: [Xen-devel] (XEN) platform.c:994:d11 Unaligned ioport access:e15c229

To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] (XEN) platform.c:994:d11 Unaligned ioport access:e15c2292, 4
From: Ralph Passgang <rp@xxxxxxxxxxx>
Date: Mon, 12 Nov 2007 16:01:53 +0100
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Am Montag, 12. November 2007 12:13:36 schrieb James Harper:
> Bah! My bad. I still had version a 3.0.4 of the hypervisor in /boot, and
> for some reason 'update-grub' thinks that 3.0.4 is a later version that
> 3.1.1 and put it first in menu.lst... Funny thing is, I think I actually
> submitted some updates to the Debian 'update-grub' xen-aware routines,
> so it probably really is my bad :)

Hi James,

I have the same problem with debian's "update-grub". Also on my system it 
orders my xen/kernel listing wrong. I don't think it's your mistake.

But as you said "2.6.18-5-xen...", this kernel is compiled against a xen 
3.0.3 patch, so it is maybe not what you want if you are using xen 3.1.x.

I patched my own kernel against a more recent xen 3.1.1 patch and this fixed 
some bugs for me. For example 32Bit-PV Guest on a 64Bit Kernel runs now 
like charm.

--Ralph

P.s.: I am very interessted in your PV Drivers, but I am not a windows 
developer at all. If your driver is available as binary for win xp or vista 
(32bit), I would really like to test it.

I tested the drivers from XenSource and Novell in the past (on a opensource 
xen hypervisor/kernel) and it never worked like expected. After installaing 
the novell driver my hvm-windows just stared directly into a bluescreen and 
with the xensource drivers there were actually some drivers installed, but 
the block-device didn't seem to work and my hvm guest always had 100% cpu 
utilisation after installing the driver (observerd with xm top), so these 
both drivers doesn't seem to work on an opensource xen installation.

> James
>
> > -----Original Message-----
> > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> > bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of James Harper
> > Sent: Monday, 12 November 2007 22:03
> > To: xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-devel] (XEN) platform.c:994:d11 Unaligned ioport
> > access:e15c2292, 4
> >
> > Suddenly my Windows PV drivers aren't working... I get this in 'xm
> > dmesg':
> >
> > "
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c2292, 4
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c1dbe, 4
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c1ffe, 4
> > (XEN) platform.c:1010:d11 Single io request in a movs crossing page
> > boundary.
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c2002, 4
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c18ea, 4
> > (XEN) platform.c:994:d11 Unaligned ioport access: e15c1416, 4
> > "
> >
> > I can't see anything that I've changed in the code I've written, but I
> > have upgraded to Debian kernel 2.6.18-5 on Dom0 from 2.6.18-4.
> >
> > Any suggestions? A few other strange things are happening too, like
>
> the
>
> > vnc port incrementing every time I start a new domain...
> >
> > I'll roll back the kernel and see what happens... but it just seems
> > strange!
> >
> > Thanks
> >
> > James
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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