Sleep modes - compile error

Hello,

if try to compile the kernel 2.5.47 with the newest acpi patch
(acpi-20021111-2.5.47.diff.gz) and the option "Sleep states" enabled, i
get the follwing error message:
drivers/built-in.o: In function `acpi_system_suspend':
drivers/built-in.o(.text+0x35def): undefined reference to
`do_suspend_lowlevel'

This happens when the linker tries to link vmlinuz:
        ld -m elf_i386 -e stext -T arch/i386/vmlinux.lds.s
arch/i386/kernel/head.o arch/i386/kernel/init_task.o 
init/built-in.o --start-group  usr/built-in.o
arch/i386/kernel/built-in.o  arch/i386/mm/built-in.o 
arch/i386/mach-generic/built-in.o  kernel/built-in.o  mm/built-in.o 
fs/built-in.o  ipc/built-in.o  security/built-in.o  crypto/built-in.o 
lib/lib.a  arch/i386/lib/lib.a  drivers/built-in.o  sound/built-in.o 
arch/i386/pci/built-in.o  net/built-in.o --end-group  -o vmlinux

What did i wrong?

Jerry




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