+make menuconfig
+
+bug: buffer resize to 0 convinces comedi that buffer doesn't exist
+
+doc: how to use kcomedilib
+
+comedi_rt_timer segfaults when the lower-level driver disappears
+and reappears. This is a problem with the Comedi core, not the
+driver. I don't really know how to fix this. Actually, I do.
+kcomedilib needs an implementation of comedi_open() and comedi_close().
+