[clug] Odd Problem

[Duncan Roe]

It might be as simple as using near 100% of CPU to scroll.

To verify, run xcpustate and watch what happens.

I can use 70% of an Opteron just scrolling a file::/ url.

Cheers ... Duncan.

On Sun, May 29, 2005 at 08:39:48PM +1000, Paul Matthews wrote:
> G'Day All,
>
> Now this odd problem has been bothering me for quite some time, but I
> cannot seem to resove it.
>
> Let's say I am copying files off (or to) a DVD, and reading a web page
> at the same time. If I scroll the web page (either via the mouse wheel,
> the keyboard or the scroll bars), the file reading/writting on the DVD
> will fail.
>
> If there is no CD in the drive and I do the same thing the light, on the
> DVD will flash. This also seems to cause a slight lockup with the machine.
>
> This is the most repeatable way to cause the problem the occur. But it
> also happens if I am playing Enemy Territory.
>
> /var/log/messages has the following occasionally:
>   hdc: lost interrupt
>
> I have tried the following
> * changed mouse protocol (I thought it was just the mouse wheel at first)
> * moved the DVD to its own IDE channel
> * updated the video drivers (nvidia)
> * turned DMA off on the DVD
>
> But all to no avail. Anyone have any suggestions where to look next?
>
> SuSE9.3Pro 2.6.11.4-20a-default AMD
>
> --
> PM
> --
> linux mailing list
> linux at lists.samba.org
> https://lists.samba.org/mailman/listinfo/linux

--
 Please avoid sending me Word or PowerPoint attachments.
 See http://www.gnu.org/philosophy/no-word-attachments.html