> I actually get very very well latency in the 2.6.3-rc3 kernel... its the > only 2.6 kernel i have used so far... and on the 2.4.23 kernel that is > patched with low-latency has xrun saying 400+- ms which is crazy... Have you double-checked your hdparm -v settings (if you're using IDE)? 400ms is pathological for a 2.4.2x kernel with lowlat+preemptible kernel. I never see more than 2ms on my setups with the Con Kolivas-patched 2.4 kernel, even with HZ=1000 and 64-bit jiffies. =MB= -- A focus on Quality.