On Sun, 2011-10-02 at 16:53 +0000, Peter Slegg wrote: > It lasted until I started Texel. See the screenshot. This is not a Thing-problem. It's Texel. It (or rather it's author!) doesn't care about proper implementation of the AV-protocol and allocates the AV-buffer in private memory. Set the mem-flags to "Readable" and your problem should be fixed. Jo Even