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Re: [Xen-devel] Re: Massive problems with 'PCI-DMA: Out of SW-IOMMU space for XXX bytes [..]' with 3Ware controller
- To: Markus Schuster <ma.schuster@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
- From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
- Date: Sun, 25 Nov 2007 21:21:04 +0000
- Delivery-date: Sun, 25 Nov 2007 13:15:30 -0800
- List-id: Xen developer discussion <xen-devel.lists.xensource.com>
- Thread-index: AcgvqRWxU/8KFJucEdyPIwAWy6hiGQ==
- Thread-topic: [Xen-devel] Re: Massive problems with 'PCI-DMA: Out of SW-IOMMU space for XXX bytes [..]' with 3Ware controller
You have to run old Xen with old tools, and new Xen with new tools. However,
the dom0 kernels should be interchangeable (with the exception that old
64-bit Xen cannot run a 32-bit dom0).
On 25/11/07 21:08, "Markus Schuster" <ma.schuster@xxxxxx> wrote:
> Keir Fraser wrote:
> Before I start testing, I have some questions:
>> What happens if you run the old kernel (32-bit 2.6.16) on new Xen?
> I could simply exchange the Xen hypervisor on my old system, but
> 1. Will the old xend work with the new hypervisor? I don't want to further
> touch the old (stable) system. An exchange of the hypervisor is not the
> problem, as it's just one file, but the complete Xen userland...
> 2. Will a 32bit xend work with a 64bit hypervisor?
>> What happens if you run a new (2.6.18) 32-bit kernel on new Xen?
> Ok, I'll have to do some compiling before I can say anything on this (I only
> have 64bit packages (Xen and kernel)).
> And I have to install a test-32bit-dom0.
>> Or what about new 2.6.18 kernel on old Xen?
> You mean the 32bit version of 2.6.18? Have to do some compiling...
> Markus Schuster
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