Did you submit your patches to the rat folks? I encourage you to do so if you haven't already. I've seen the mbus thing also when ctl-z'ing rat. --bob At 11:45 PM 4/6/2000 -0500, Stuart Levy wrote: >I've just built a linux-glibc2 (Red Hat 6.1) rat 4.2.1 with some audio >driver mods which might help, maybe, for both Karen's and Richard's cases.