Hi all, Now, v3.7-rc2 happens following build error with s3c2410_defconfig... ERROR: "read_current_timer" [fs/ext4/ext4.ko] undefined! make[2]: *** [__modpost] Error 1 make[1]: *** [modules] Error 2 make[1]: *** Waiting for unfinished jobs.... Any idea on this? Thanks. K-Gene <kgene at kernel.org>