I got the following compile error in 2.5.56: <-- snip --> ... 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-default/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/math-emu/built-in.o arch/i386/pci/built-in.o arch/i386/oprofile/built-in.o net/built-in.o --end-group -o .tmp_vmlinux1 sound/built-in.o(.data+0x7b30): multiple definition of `io' drivers/built-in.o(.data+0x738a0): ... ld: Warning: size of symbol `io' changed from 68 to 4 in sound/built-in.o ... make: *** [.tmp_vmlinux1] Error 1 <-- snip --> The offending files are: sound/oss/awe_wave.c drivers/net/wan/cosa.c cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html