dl of drupal project not working - Source directory /tmp/drush_tmp_1298986465/drupal is not readable or does not exist.

Hello.

Seems with Drush All-versions-4.2 it's not possible anymore to 'dl drupal 7.0'. (nor 'dl drupal 6.20')
No problems with installing other projects f.e. Views but when I try to "dl drupal 7.0" I get the error below.

Also tried drush-All-Versions-HEAD.tar.gz (5.0-dev) but without success.

[root@localhost ~]# drush dl drupal-7.0 -v
Executing: wget --version
Downloading release history from http://updates.drupal.org/release-history/drupal/7.x                                                                 [notice]
Executing: mkdir '/tmp/drush_tmp_1298986465'
Downloading project drupal to /tmp/drush_tmp_1298986465 ...                                                                                           [notice]
Calling chdir(/tmp/drush_tmp_1298986465)
Executing: wget -P . 'http://ftp.drupal.org/files/projects/drupal-7.0.tar.gz'
Downloading drupal-7.0.tar.gz was successful.                                                                                                         [notice]
Calling md5_file(drupal-7.0.tar.gz)
Md5 checksum of drupal-7.0.tar.gz verified.                                                                                                           [notice]
Executing: gzip -d 'drupal-7.0.tar.gz'
Executing: tar -xf 'drupal-7.0.tar'
Calling unlink(drupal-7.0.tar)
Calling chdir(/root)
Executing: svn info '/root'
Executing: bzr root '/root'
Calling is_readable(/tmp/drush_tmp_1298986465/drupal)
Source directory /tmp/drush_tmp_1298986465/drupal is not readable or does not exist.                                                               [error]
Project drupal (7.0) could not be downloaded to /root/drupal.                                                                                      [error]
Command dispatch complete    

Regards.