Problem with mirrors (rawhide) ?

[mbneto]

Hi,

I am trying to update my machine but keep geting

http://ftp.dulug.duke.edu/pub/fedora/linux/core/development/i386/repodata/primary.xml.gz:
[Errno -1] Metadatafile does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 1.0 MB    00:01
http://download.fedora.redhat.com/pub/fedora/linux/core/development/i386/repodata/primary.xml.gz:
[Errno -1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 1.0 MB    00:00
http://distro.ibiblio.org/pub/linux/distributions/fedora/linux/core/development/i386/repodata/primary.xml.gz:[Errno
-1] Metadata file does not match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 1.0 MB    00:00
http://sunsite.mff.cuni.cz/pub/fedora/development/i386/repodata/primary.xml.gz:
[Errno -1] Metadata file doesnot match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 1.0 MB    00:00
http://mirrors.kernel.org/fedora/core/development/i386/repodata/primary.xml.gz:
[Errno -1] Metadata file doesnot match checksum
Trying other mirror.
primary.xml.gz            100% |=========================| 1.0 MB    00:00
http://mirror.hiwaay.net/redhat/fedora/linux/core/development/i386/repodata/primary.xml.gz:
[Errno -1] Metadata file does not match checksum
Trying other mirror.
Error: failure: repodata/primary.xml.gz from development: [Errno 256]
No more mirrors to try.

Any ideas ?