Hello, I tried it on sun ultra 60 (dual sparc64) station. Unfortunately it failed to compile. AS arch/sparc64/lib/xor.o AR arch/sparc64/lib/lib.a GEN .version CHK include/linux/compile.h dnsdomainname: Unknown host UPD include/linux/compile.h CC init/version.o LD init/built-in.o LD .tmp_vmlinux1 arch/sparc64/kernel/head.o: In function `sys_call_table32': arch/sparc64/kernel/head.S:(.text+0x224e0): undefined reference to `compat_sys_timerfd' make: *** [.tmp_vmlinux1] Error 1 Any hints? Regards, Mariusz Linux sparc64 2.6.23-gentoo-r3 #4 SMP PREEMPT Sat Dec 8 00:50:12 CET 2007 sparc64 sun4u TI UltraSparc II (BlackBird) GNU/Linux Gnu C 4.1.1 Gnu make 3.81 binutils 2.17 util-linux 2.12r mount 2.12r module-init-tools 3.2.2 e2fsprogs 1.39 Linux C Library 2.5 Dynamic linker (ldd) 2.5 Procps 3.2.6 Net-tools 1.60 Kbd 1.12 Sh-utils 6.4 udev 104 Modules Loaded sr_mod cdrom sg