[Tinwarble]

Updated from 12.1 to 12.2 and got the same error message as Davem.

Unpacking xbian-package-cec (from .../xbian-package-cec_1.0_armhf.deb) ...
dpkg: error processing /var/cache/apt/archives/xbian-package-cec_1.0_armhf.deb (--unpack):
trying to overwrite '/opt/cec/usr/local/bin/cec-client', which is also in package xbian-package-xbmc 2.1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Preparing to replace xbian-package-xbmc 2.1 (using .../xbian-package-xbmc_2.2_armhf.deb) ...
Unpacking replacement xbian-package-xbmc ...
Errors were encountered while processing:
/var/cache/apt/archives/xbian-package-cec_1.0_armhf.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

I tried to rollback to 12.1 without any luck. So wiped my SD card, re-installed Alpha 5 (in Windows) then updated and everything went fine then.