who is writing to disk

Hello, I found a process constantly writing to disk when I run gnome as desktop and while the whole system is idle. I don't find anything in the log file, and I don't see anything updated in my home dir or in /tmp. Does it sound like bdflush is writing? But I don't hear the disk access when

Question on bdflush

Hello, Why does bdflush (kupdated and kflushed) writes to disk periodically even though the system is apparently idle. I think if no more new buffers becomes dirty, kflushed show not write anything to disk. I'm working on a notebook, and I found the periodic disk access is very annoying and c