System unresponsive during HDD activity

[Arthur Pemberton]

On Tue, Sep 14, 2010 at 5:11 PM, Konstantin Svist <fry.kun at gmail.com> wrote:
>  For some reason, while running HDD-intensive tasks (e.g. svn update on
> a large tree), system becomes extremely unresponsive.
> And I don't mean tasks that require any disk access - I'm trying to type
> inside an ssh session in a terminal, and the remote machine is getting
> my keystrokes after a pretty long delay.
>
> Just now, composing this email, thunderbird got stuck at the previous
> sentence for a second while it was downloading new messages.
>
> What's going on??

Supposedly there are kernel scheduler fixes in to fix that problem.

For now, try to reduce your swapping. Are you using RAID?

-- 
Fedora 13
(www.pembo13.com)