Problems with linux-2.6.16.28-xen compilation

[wylde]

if [ -r System.map -a -x /sbin/depmod ]; then /sbin/depmod -ae -F System.map 2.6.16.28-xen; fi
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_get_baud_rate
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_resume_port
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_register_driver
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_suspend_port
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_remove_one_port
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_update_timeout
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_unregister_driver
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_get_divisor
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_match_port
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_add_one_port
WARNING: /lib/modules/2.6.16.28-xen/kernel/drivers/serial/8250.ko needs unknown symbol uart_write_wakeup

Linux localhost 2.6.17-gentoo-r7 #1 SMP Wed Sep 20 14:24:14 UTC 2006 i686 Intel(R) Pentium(R) 4 CPU 3.00GHz GNU/Linux

I get that when i try and make module_install. Im following the xen howto wiki but genkernel also fails any help would be great.

[wylde]

I notice people are viewing my post but not responding perhaps you require more information ?