I am running kernel 2.4.1 with bttv 0.7.56. My tuner card is an ixMicro TurboTV; video card is an original Matrox Millennium 2MB PCI. Whenever I run 'vcr', the entire machine hangs forcing a cold boot. I can run xawtv for long periods without a hint of trouble. As I have never diagnosed a bttv problem before, I am not sure which information to provide. If anybody can offer any assistance as to how to pinpoint this problem, I'd be happy to do whatever I can to help. Thanks, Mike.