Not the same bug but also on patterns:
981044 undoing pattern knot drags does not update knots
1208874 pattern fills do not export to ps or eps
1238314 Clones in patterns behave badly - now spiral shapes only
1246362 clones in patterns not updated when original edited
1325279 compositing bug of pattern with semitransparent bitmap
1467137 Shrinking a pattern causes lock-up
1487555 Incomplete pattern coverage with overflowing pattern
Duplicates
980785 Pattern Gaps
1481545 Renderer: Scaling Pattern - Breaks Appear
Not the same bug but also on patterns:
981044 undoing pattern knot drags does not update knots
1208874 pattern fills do not export to ps or eps
1238314 Clones in patterns behave badly - now spiral shapes only
1246362 clones in patterns not updated when original edited
1325279 compositing bug of pattern with semitransparent bitmap
1467137 Shrinking a pattern causes lock-up
1487555 Incomplete pattern coverage with overflowing pattern