On Thu, 2003-10-30 at 17:20, Soeren Sonnenburg wrote: > On Wed, 2003-10-29 at 23:39, Benjamin Herrenschmidt wrote: > > > It is not synthetic. It feels really sluggish in the shell compared to > > > 2.4... Also I have CONFIG_PREEMPT enabled and now I do wonder that I did > > > not yet see a random crash - hmmhhh well except for a try to get > > > cryptoloop working. That was reliably crashing. > > > > > > Should I go for the old radeon driver ?! > > > > No, same problem I'm sure. Just disable CONFIG_PREEMPT, and make sure > > you are using the kernel's AGP and DRI drivers (they do help for 2D on > > ATIs) > > with single head, agp+dri it is acceptable... but still 1m slower than > 2.4 (also noticable on the 100% filled sysload applet). > > real 5m10.619s > user 0m1.367s > sys 0m13.029s > > (btw these are 254665 files) > > I really wonder what changed from 2.4 to 2.6 to make the same X config 8 > times slower... w.r.t. terminal speed.
Did you measure without CONFIG_PREEMPT ? It has bugs that could explain it Ben.
