Archives Oct. 26, 2013
Apparently Kubuntu 13.10's version of the fglrx driver is now equivalent to the beta one I added to my 13.04 install to get it running, so I decided to do the upgrade. However, it kept failing with a cryptic error that it couldn't do the upgrade because I was either running a pre-release ubuntu (no) or upgrading to a pre-release (no) or using some unsupported package (well, sure, but which one).
Turns out this warning was generated by having "held" the xserver-xorg-video-intel package in order to get the fglrx beta to run. apt-mark unhold the package ...
Networking fun this week.
The big nasty that bit me was that a .bind( ('',port) ) on a multicast socket will get all packets sent to any local socket listening to that port, even if this socket has not registered membership in the group. So if you have two capture processes, each trying to listen to different groups on the same socket number (say two multicast video streams where all streams go out on <group>:8000), they will receive their own and each other's data, and as a result, they will get garbage.
The key issue here is that with ...
Oct. 11, 2013
Oct. 30, 2013