I have the same problem too. Using git bisect, I get the same commit:
319767b85c2b16d80c235195329470c46d4547b3 is the first bad commit commit 319767b85c2b16d80c235195329470c46d4547b3 Author: NeilBrown <ne...@suse.de> Date: Mon Feb 8 14:33:31 2010 +1100 mapfile: use ALT_RUN as alternate place to store mapfile This gives better consistency and fewer hidden '.' files. Signed-off-by: NeilBrown <ne...@suse.de> :100644 100644 5444452df2914f3fc0b0fc128512d92e818e6627 366ebe332299c92fceaa4d3c9fa2e8c644b27801 M mapfile.c -- David