Hi, This patch fixes the ARI gripe about the use of %llx in aarch64-linux-nat. I'll commit this as obvious shortly. /Marcus 2013-02-13 Marcus Shawcroft * aarch64-linux-nat.c (debug_reg_change_callback) (aarch64_linux_get_debug_reg_capacity): ARI fix: Replace %llx with %s and phex().