Re: scheduling problems in X with 2.6.0

[Nick Piggin]

martin f krafft wrote:

> Hi all,
>
> Ever since I moved to 2.6.0, I have been experiencing something I'd
> like to call scheduling problems while working in X. I have tried
> using preemptive mode, and turning it off, but the symptoms are the
> same:
>
> whenever there is continuous disk access (e.g. tar, rsync, dd),
> X will not respond for a couple of seconds every couple of seconds.
> With that I mean that the mouse will freeze as well as all screen
> output, and then resume after a couple of seconds.
>
> I wonder if I am the only one with that problem. The machine in
> question is a dual AMD 2400+ with 2Gb of RAM and a Maxtor DiamondMax
> drive spinning at 7200 RPM. The drive is configured as follows
> (hdparm):

Can you post 20 or so lines of 'vmstat 1' captured while the problem is
happening? See if you can see which lines correspond to X freezing (ie.
watch the xterm), but that might be impossible if everything freezes.


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