Re: [Xen-devel] disk offline with xen4.0+pvops2.6.31.13

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Wed, Apr 28, 2010 at 09:27:30PM +0800, yingbin wang wrote:
> we found some info from xen wiki:
> 
> Enabling MSI/MSI-X for Assigned Devices
> As of Xen 3.4.0 MSI/MSI-X is always on.
>       This change was made in changeset: 18454:65dc37be0443
> In Xen 3.3.0, MSI/MSI-X could be enabled using the xen boot parameter "msi=1".
>       This change was made in changeset: 18127:89d05940cc1c
>       The following snippet from a grub configuration enables MSI/MSI-X
>               kernel xen.gz msi=1
> 
> does it mean that we should also Enable MSI Support for SAS in mptbase module?

First try the iommu option (iommu=off for example) and also the x2apic=off

Do include your serial log so we can see what kind of error you are
getting. And also include you /proc/interrupts output please.


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