This maybe related... Maybe not. I am not an X expert. However the problem seems familiar.
I am running Debian Unstable. My current xserver-xfree86 package is as follows: iU xserver-xfree8 4.3.0.dfsg.1-1 the XFree86 X server However when I try to upgrade it fails with the following message: Reading Package Lists... Done Building Dependency Tree... Done The following packages will be upgraded: xserver-xfree86 1 upgraded, 0 newly installed, 0 to remove and 94 not upgraded. 162 not fully installed or removed. Need to get 0B/5626kB of archives. After unpacking 545kB of additional disk space will be used. Preconfiguring packages ... xserver-xfree86 failed to preconfigure, with exit status 127 (Reading database ... 75979 files and directories currently installed.) Preparing to replace xserver-xfree86 4.3.0.dfsg.1-1 (using .../xserver-xfree86_4.3.0.dfsg.1-4_i386.deb) ... dpkg: error processing /var/cache/apt/archives/xserver-xfree86_4.3.0.dfsg.1-4_i386.deb (--unpack): subprocess pre-installation script returned error exit status 127 Errors were encountered while processing: /var/cache/apt/archives/xserver-xfree86_4.3.0.dfsg.1-4_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Let me know if there is more information I can provide.

