nvidia-drivers-295.40 failed (unpack phase): Unknown filetype "" ?

Проблема только на одной из нескольхих машин с одинаковыми профилями:

ebuild nvidia-drivers-295.40.ebuild unpack
>>> Existing ${T}/environment for 'nvidia-drivers-295.40' will be sourced.
>>> Run 'clean' to start with a fresh environment.
>>> Not marked as unpacked; recreating WORKDIR...
>>> Downloading 'http://distfiles.gentoo.org/distfiles/NVIDIA-Linux-x86_64-295.40.run'
--2012-05-01 23:36:20--  http://distfiles.gentoo.org/distfiles/NVIDIA-Linux-x86_64-295.40.run
Resolving distfiles.gentoo.org... 140.211.166.134, 156.56.247.195, 216.165.129.135, ...
Connecting to distfiles.gentoo.org|140.211.166.134|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 58446405 (56M) [text/plain]
Saving to: `/usr/portage/distfiles/NVIDIA-Linux-x86_64-295.40.run'

100%[===================================================================================================================>] 58,446,405  1.55M/s   in 39s     

2012-05-01 23:37:04 (1.44 MB/s) - `/usr/portage/distfiles/NVIDIA-Linux-x86_64-295.40.run' saved [58446405/58446405]

 * NVIDIA-Linux-x86_64-295.40.run RMD160 SHA1 SHA256 size ;-) ...                                                                                     [ ok ]
 * checking ebuild checksums ;-) ...                                                                                                                  [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                 [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                [ ok ]
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found sources for kernel version:
 *     3.0.29-gentoo
 * Checking for MTRR support ...                                                                                                                      [ ok ]
>>> Unpacking source...
>>> Unpacking NVIDIA-Linux-x86_64-295.40.run to /var/tmp/portage/x11-drivers/nvidia-drivers-295.40/work
 * Unknown filetype "" ?
 * ERROR: x11-drivers/nvidia-drivers-295.40 failed (unpack phase):
 *   failure unpacking () makeself NVIDIA-Linux-x86_64-295.40.run ('1.6.0-nv' +907)
 * 
 * Call stack:
 *               ebuild.sh, line   85:  Called src_unpack
 *             environment, line 3888:  Called unpack_makeself
 *             environment, line 4540:  Called assert 'failure unpacking () makeself NVIDIA-Linux-x86_64-295.40.run ('1.6.0-nv' +907)'
 *   isolated-functions.sh, line   14:  Called die
 * The specific snippet of code:
 *              [[ $x -eq 0 ]] || die "$@"
 * 
 * If you need support, post the output of 'emerge --info =x11-drivers/nvidia-drivers-295.40',
 * the complete build log and the output of 'emerge -pqv =x11-drivers/nvidia-drivers-295.40'.
 * The complete build log is located at '/var/log/portage/x11-drivers:nvidia-drivers-295.40:20120501-193620.log'.
 * The ebuild environment file is located at '/var/tmp/portage/x11-drivers/nvidia-drivers-295.40/temp/environment'.
 * S: '/var/tmp/portage/x11-drivers/nvidia-drivers-295.40/work/'

Аналогичная проблема с драйверами 295.20-r1 и 290.10.
По советам гугла уже пересобирал sys-apps/file.

emerge --info =x11-drivers/nvidia-drivers-295.40

Куда копать?