Please update to latest bzr. Something similar was applied quite some
time ago.
On 31.05.2012 10:46, Christer Weinigel wrote:

> Hi,
> 
> Modern Intel chipsets have multiple EHCI controllers but the EHCI code
> will only detect the first one.  I noticed this because on a test
> laptop all external USB ports are connected to the second EHCI
> controller so none of them would show up in grub.
> 
> The reason is that the PCI code will stop if the PCI iterator function
> returns a nonzero value.  Change the return value to zero on success so
> that the PCI iterator continues with the next controller.
> 
> diff --git a/grub-core/bus/usb/ehci.c b/grub-core/bus/usb/ehci.c
> index d8ecf26..240c0d5 100644
> --- a/grub-core/bus/usb/ehci.c
> +++ b/grub-core/bus/usb/ehci.c
> @@ -839,7 +839,7 @@ grub_ehci_pci_iter (grub_pci_device_t dev,
>    grub_dprintf ("ehci", "EHCI grub_ehci_pci_iter: CONFIG_FLAG: %08x\n",
>                 grub_ehci_oper_read32 (e, GRUB_EHCI_CONFIG_FLAG));
> 
> -  return 1;
> +  return 0;
> 
>  fail:
>    if (e)
> 
> _______________________________________________
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> https://lists.gnu.org/mailman/listinfo/grub-devel
> 



-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko