Version: 2.4.2 (using KDE 4.4.2) OS: Linux I have a program generating lots of stdout output. After a while, konsole became extremely slow scrolling. I tested it in xterm, it's much much more faster. Reproducible: Didn't try OS: Linux (i686) release 2.6.32-22-generic-pae Compiler: cc
Uhm, any special font settings? Generally stdout output is _much_ slower than any computation.
*** This bug has been marked as a duplicate of bug 230184 ***