Sorry I was referring to hardware watchpoints when making this comment. The breakpoint.c kludge I did as far as I remember is probably unwanted, I just found that the hardware breakpoints in 4-18 were in absolutely terrible shape staying in when not wanted & disappearing for no reason, has this code improved ?, my clueless kludge improved the situation a tiny bit in the test cases I was playing with. I haven't had a chance to see whether the 5.0 code has improved substantially in my opinion this code needs a lot of attention by someone who knows it, if this code has improved recently please leave this out. D.J. Barrow Linux for S/390 kernel developer eMail: djbarrow@de.ibm.com,barrow_dj@yahoo.com Phone: +49-(0)7031-16-2583 IBM Germany Lab, Schönaicherstr. 220, 71032 Böblingen