make git/* hung

[CAI Qian]

On the latest kernel/devel tree.

$ cat git-branches.mk 
GIT_DIR = /home/caiqian/linux-2.6-utrace/.git
head-utrace = utrace-ptrace
branch-utrace-ptrace = utrace
branch-utrace = tracehook

$ make git/utrace/prep
<it hung here witout any output>

Checkout 2009-11-01 works fine.

$ make git/utrace/prep
make[1]: Entering directory `/home/caiqian/kernel/devel'
./gen-patches < kernel.spec > kernel.t.utrace.spec --name utrace v2.6.31    v2.6.32-rc5-git3 refs/remotes/upstream/master tracehook utrace utrace-ptrace
make[2]: Entering directory `/home/caiqian/kernel/devel'
Downloading linux-2.6.31.tar.bz2...

Thanks,
CAI Qian