On 02/27/10 04:56, Adam Hamsik wrote:
Hi Manual, On Feb,Friday 26 2010, at 12:14 PM, Manuel Bouyer wrote:On Fri, Feb 26, 2010 at 04:44:21AM -0600, Sam Fourman Jr. wrote:If possible, boot with a xen-debug kernel, and post the xm dmesg. Failing to create DMA memory is likely to be due to an error returned by hypervisor.[snip]
>
Do you have any ideas how can it be debug more ? Regards Adam.
decrease_reservation fails for one page when the page does not belong to the guest, or that the args passed to the decrease_reservation() are invalid (wrong order, wrong extent). Which is unlikely here.
Please try with rev 1.18 of xen/x86/xen_bus_dma.c; hopefully the error message will be more meaningful.
-- Jean-Yves Migeon jeanyves.migeon%free.fr@localhost