[NTLUG:Discuss] sluggish mouse when burning dvd
Jack Snodgrass
mylinuxguy at gmail.com
Mon Apr 11 17:24:42 CDT 2005
ok... I'll try that on the next DVD I burn.
If that's it... how do you make the change
permanant? Do you have to add that to your
/etc/rc.d/rc.local script ( redhat/fedora ) or
is there a better place to add that?
jack
On Apr 11, 2005 4:49 PM, Chris Cox <cjcox at acm.org> wrote:
> Jack Snodgrass wrote:
> > My mouse starts to crawl ( and jump around the screen to catch up ) when I
> > burn a DVD and try and use my mouse at the same time. The CPU load and CPU usage
> > are low, the browsing performance is fine, nothing seems 'slow' but
> > the mouse. As soon
> > as the DVD is done, mouse response is back to normal? This is a
> > optical mouse connected
> > via a PS2 type port.
> >
> > Anyone have any ideas?
>
> You do not have DMA on the DVD device. In PIO mode the CPU is doing
> a lot of work.
>
> Is the device IDE?
>
> Then try (as root):
>
> hdparm /dev/hdc (replace with your device)
>
> and see if it says that DMA is enabled.
>
> To try to enable it...
>
> hdparm -d 1 /dev/hdc (replace with your device)
>
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