И дома и на работе попытался обновить мир. В обоих случаях получил ошибку:
[blocks B     ] >=sys-fs/udev-126 (">=sys-fs/udev-126" is blocking
sys-fs/cryptsetup-1.0.5-r1)

Total: 8 packages (8 upgrades), Size of downloads: 21,429 kB
Conflict: 1 block (1 unsatisfied)

 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  ('installed', '/', 'sys-fs/cryptsetup-1.0.5-r1', 'nomerge') pulled in by
    >=sys-fs/cryptsetup-1.0.5 required by ('installed', '/',
'sys-apps/hal-0.5.11-r9', 'nomerge')

  ('ebuild', '/', 'sys-fs/udev-141', 'merge') pulled in by
    >=sys-fs/udev-117 required by ('installed', '/',
'sys-apps/hal-0.5.11-r9', 'nomerge')
    virtual/dev-manager required by @world
    sys-fs/udev required by ('installed', '/',
'sys-kernel/gentoo-sources-2.6.29-r5', 'nomerge')
    (and 2 more)


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked

Удаление udev не помогло. Более того, теперь не определяется привод.
Помогите решить эту проблему правильно. Спасибо. В приложении emerge --info