build of xen(cs:20320) failed for i386

[mike xiao <mike.xiao@oracle.com>]

Hi,
  Build failed for xen(cs:20320) of i386,
  details as below:

.....

make -C tools ioemu-dir-find
get-path: will use #!/usr/bin/python2.4 for python programs
make[1]: Entering directory `/builddir/build/BUILD/xen-unstable/tools'
....
+ git clone http://xenbits.xensource.com/git-http/qemu-xen-unstable.git ioemu-remote.tmp
Initialize ioemu-remote.tmp/.git
got 71324566f3b95bb88105659439adaef1d5bd155c
....
error: transfer closed with 1112 bytes remaining to read (curl_result = 18, http_code = 200, sha1 = 3a67ada9a1b4c14d776f2ac61687bafb823370c2)
error: Unable to find 3a67ada9a1b4c14d776f2ac61687bafb823370c2 under http://xenbits.xensource.com/git-http/qemu-xen-unstable.git
Cannot obtain needed blob 3a67ada9a1b4c14d776f2ac61687bafb823370c2
while processing commit 9850d1e82c3712f5ab2b4f1c40e452570a4a21e5.
fatal: Fetch failed.
Initialized empty Git repository in /builddir/build/BUILD/xen-unstable/tools/ioemu-remote.tmp/.git/
make[1]: *** [ioemu-dir-find] Error 128
make[1]: Leaving directory `/builddir/build/BUILD/xen-unstable/tools'
make: *** [tools/ioemu-dir] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.73506 (%build)

....

Thanks
Mike.xiao