This is Debian bug #529830. (http://bugs.debian.org/529830) There they've bisected it to commit 421085949e195596000e37ea6693489db7c075b5 which is exactly the same commit as the one you've bisected it to here.
This is Debian bug #529830. (http:// bugs.debian. org/529830) There they've bisected it to commit 421085949e19559 6000e37ea669348 9db7c075b5 which is exactly the same commit as the one you've bisected it to here.