Starting hal daemon incredibly decrease my hard drive performance

[Sjoerd Simons]

On Mon, Nov 01, 2004 at 11:47:34PM +0100, Kay Sievers wrote:
> On Mon, 2004-11-01 at 22:37 +0100, Alexis Muller wrote:
> > On Mon, 2004-11-01 at 19:08 +0100, Kay Sievers wrote:
> > [...]
> > > No idea. I can't believe as well that this is caused by hald.
> > > Please look with:
> > > 
> > >   [root at pim ~]# lsof -p 29989
> > [...]
> > >   [root at pim ~]# strace -s 1000 -p 29989
> > [...]
> 
> > open("/dev/hdb", O_RDONLY|O_NONBLOCK|O_EXCL|O_LARGEFILE) = 3
> 
> > 
> > Do you see something wrong ?
> 
> It's probably caused by the fact that your cdrom and your harddisk are
> sharing one ide bus. The polling of hdb may affect the hdparm
> measurement. You may try this with the udi for your cdrom:

Just talked to someone on IRC with basically the same problem. Turning off
polling on the cdrom drive did indeed fix the problem. 

Why do media checks degrade performance so much ?

  Sjoerd
-- 
In the next world, you're on your own.
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