On Wednesday 13 February 2002 02:50 pm, christophe barbé wrote:
> I see the same problem with a USB mouse.
> It occurs only when I am using the mouse and when the CPU is occupied.
> I can restore the mouse by switching to the console and then back to X
> or by unpluging and re-pluging the mouse.
>
> I am not sure but I have the impression that it occurs less since I've
> enabled IRQ during BIOS APM call in my kernel config.
>
> I believe it's a timeout somewhere which is triggered when the CPU can't
> process an event soon enough.
> I'm not sure where it is. What I found stranger is that X said nothing
> about it (all logs are empty of mouse related messages).
> Until today I was thinking it was USB related but we got two reports of
> this problem in the same day with PS/2 mouse.

I had some similar problems after installing a new motherboard and video 
card.  I spent quite a lot of time working with the video card and nothing 
helped.  I also noticed that it happened when the hard drive was busy.  I 
finally ran hdparm and found that the new motherboard didn't set dma on the 
hard drive.  I ran this command:

hdparm -X66 -d1 -u1 /dev/hda

and my transfer rates went from 2.44 to 19.69 and my problems were over.  
Perhaps that will help you, as well.


-- 
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Dan Owens       [EMAIL PROTECTED]               Bigfork, MT.
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