git a linux's xen kernel
when I install xen on my computer, the step to get the linux kernel with xen seem to fail:
#sudo git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen

remote:Counting objects:2275852,done.

remote:Compressing objects:100%(362867/362867) done.

Receiving objects:100%(2275852/2275852), 453.53MB | 37kiB/s, done

remote:Total 2275852 (delta 1901047),reused 2265649 (delta 1891419)

Resolving deltas:100% (1901047/1901047)done.

error:unable to write sha1 filename /usr/src/linux-2.6-xen/.git/objects/pack/pck-176ee0822d6d3afed83c05b32f2125e49ede7f7c.pack: No such file or directory

fatal :cannot store pack file

fatal :index-pack failed

PS. my git version is 1.7.9
what's the problem?
git a linux's xen kernel
===

when I install xen on my computer, the step to get the linux kernel with xen seem to fail:
#sudo git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen

remote:Counting objects:2275852,done.

remote:Compressing objects:100%(362867/362867) done.

Receiving objects:100%(2275852/2275852), 453.53MB | 37kiB/s, done

remote:Total 2275852 (delta 1901047),reused 2265649 (delta 1891419)

Resolving deltas:100% (1901047/1901047)done.

error:unable to write sha1 filename /usr/src/linux-2.6-xen/.git/objects/pack/pck-176ee0822d6d3afed83c05b32f2125e49ede7f7c.pack: No such file or directory

fatal :cannot store pack file

fatal :index-pack failed

PS. my git version is 1.7.9
what's the problem?