Re: [Xen-devel] Xen 4.2 with EFI on IBM x3650 ACPI Bug

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 11.10.12 at 06:09, Allan Scheid <avs.009@xxxxxxxxx> wrote:
> Hellow all, i need help to fix this bug:
> 
> ACPI BIOS Bug: Error: A valid RSDP was not found (20120711/tbxfroot-219)
> 
> Because of this first errors i get this after, and it causes don't work USB
> ports and some PCI cards on the system:
> 
> can't find IRQ for PCI INT A; please try using pci=biosirq
> 
> Kernel: 3.6.1-xen self compiled (work perfect without xen multiboot)
> Xen Version: 4.2
> Grub2 EFI: 1.99-23

If you really boot vie grub2, then that is your problem - you
ought to boot directly from EFI. Please check the available
documentation (http://xenbits.xen.org/docs/unstable/misc/efi.html).

Jan


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