mark, actually, the idea is to get my jack running with --realtime capabilities w/o a system freeze due to kernel 2.4.20 + ext3 problems. this will hopefully fix my xrun difficulties. but what you said makes sense, so i changed the fs of my root partition from ext3 to ext2 in the /etc/fstab and rebooted. guess what? it still mounted as ext3! why is that?!? just to make sure, i issued a "jackstart --realtime -d alsa -d hw", and guess what else? the system froze, just like it should. is there another way to mount my root partition as ext2? ...last chance before everything gets converted! :-) and... how would one change the journalling commit time, anyway? another thing you mention in the 'xruns vs disk activity thread' is turning off chrond... can you elaborate on that as well, pls? best, d. Mark Knecht wrote: >If the idea here is that the xruns are caused by the ext3 journaling >operations, wouldn't a simple test be to mount the ext3 partition as ext2 >and prove it before doing all the work to move to reiserfs only to find out >it's something else? Or possibly change the journaling commit time to reduce >or increase the xruns? > >