eix linux-sabayon
[D] sys-kernel/linux-sabayon [1]
     Available versions:
        (2.6.22)        2.6.22
        (2.6.23)        ~2.6.23-r1
        {dmraid grub no_sources only_sources source splash}
     Installed versions:  2.6.23-r1(2.6.23)(02:09:07 AM 01/13/2008)(build splash symlink -dmraid -grub -no_sources -only_sources)
     Homepage:            http://www.sabayonlinux.org
     Description:         Official Sabayon Linux kernel images and sources

[I] sys-kernel/linux-sabayon-modules [1]
     Available versions:  2.6.23-r1
     Installed versions:  2.6.23-r1(02:09:07 AM 01/13/2008)
     Homepage:            http://www.sabayonlinux.org/
     Description:         Sabayon Linux kernel modules meta package

[1] "sabayon" /usr/portage/local/layman/sabayon

Found 2 matches.
bobs-laptop geos # emerge -v  linux-sabayon

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] sys-kernel/linux-sabayon-2.6.23-r1  USE="splash symlink -build* -dmraid -grub -no_sources -only_sources" 127 kB [1]

Total: 1 package (1 reinstall), Size of downloads: 127 kB
Portage tree and overlays:
 [0] /usr/portage
 [1] /usr/portage/local/layman/sabayon

>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) sys-kernel/linux-sabayon-2.6.23-r1 to /
 * tuxonice-2.2.10.4-for-2.6.23-rc9.patch.bz2 RMD160 SHA1 SHA256 size ;-) ...                                                                                             [ ok ]
 * linux-2.6.23.tar.bz2 RMD160 SHA1 SHA256 size ;-) ...                                                                                                                   [ ok ]
>>> Downloading 'http://distfiles.gentoo.org/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--06:54:13--  http://distfiles.gentoo.org/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving distfiles.gentoo.org... 216.165.129.135, 140.211.166.134, 156.56.247.195, ...
Connecting to distfiles.gentoo.org|216.165.129.135|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
06:54:13 ERROR 404: Not Found.

>>> Downloading 'http://distro.ibiblio.org/pub/linux/distributions/gentoo/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--06:54:13--  http://distro.ibiblio.org/pub/linux/distributions/gentoo/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving distro.ibiblio.org... 152.46.7.109
Connecting to distro.ibiblio.org|152.46.7.109|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
06:54:14 ERROR 404: Not Found.

>>> Downloading 'http://download.filesystems.org/unionfs/unionfs-2.1/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
--06:54:14--  http://download.filesystems.org/unionfs/unionfs-2.1/unionfs-2.1.6_for_2.6.23-rc8.diff.gz
           => `/usr/portage/distfiles/unionfs-2.1.6_for_2.6.23-rc8.diff.gz'
Resolving download.filesystems.org... 130.245.126.1
Connecting to download.filesystems.org|130.245.126.1|:80... connected.
HTTP request sent, awaiting response... 404 Not Found
06:54:14 ERROR 404: Not Found.

!!! Couldn't download 'unionfs-2.1.6_for_2.6.23-rc8.diff.gz'. Aborting.
 * Fetch failed for 'sys-kernel/linux-sabayon-2.6.23-r1'
!!! can't process invalid log file: merge.ERROR