It is a VM/MM/block/latency problem.
> > - How much memory do you have?
> 128 MB
Your machine is swapping and paging like crazy. Bits of your X server get
paged out to disk and take ages to come back because the heavy write streams
are starving reads from disk.
> > - Try setting /proc/sys/vm/swappiness to zero
> i will try.
>
> > - Try decreasing /proc/sys/vm/dirty_ratio to 15
> will try that too.
>
These things should help - possibly the defaults are wrong.
Also the anticipatory IO scheduler in -mm kernels might help reduce the disk
read latency.
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