Re: [2.6] system is very slow during disk access

Frank Van Damme
2003-08-06T19:29:16Z

On Wednesday 06 August 2003 20:51, Michael Buesch wrote:
> Hi.
>
> I have massive problems with linux-2.6.0-test2.
> When some process writes something to disk, it's very hard
> to go on working with the system.
>
> Some test-szenario:
> $ dd if=/dev/zero of=./test.file
>
> While dd is running, xmms skips playing every now and then
> and the mouse is near to be unusable. The Mouse-cursor
> behaves some kind of very lazy and some times it jumps
> from one point on the display to another.
> When I stop disk-access, it works again quite fine.
>
> Would be cool, if you could give me some point to start
> for tracking this down.
>
> Please CC me, as I'm not subscribed to linux-ide. Thanks.

Maybe you just didn't enable DMA on them. Use hdparm -v /dev/foo to find out.

--
Frank Van Damme http://www.openstandaarden.be
~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"Je pense, donc je suis breveté."