Re: Strange load issues with 2.5.69/70 in both -mm and -bk trees.

[Tom Sightler]

On Mon, 2003-06-02 at 03:36, Ingo Molnar wrote:
> On Sat, 31 May 2003, Andrew Morton wrote:
> 
> > >                               [...] Upon looking a little further it
> > >  seemed that the kernel was dynamically boosting the priority of the
> > >  process much higher than it probably should be, in the end, not leaving
> > >  enough CPU for playing the sounds without skipping.
> > 
> > Yes, it seems that too many real-world applications are accidentally
> > triggering this problem.
> 
> no, the problem is exactly the opposite. Here's the key observation:
> 
> > the problem seemed to be caused by the fact that the pluginserver (wine)  
> > was using 100% of the CPU. I simply reniced this process to -10 and
> > everything started working fine.
> 
> the kernel has detected this process to be a CPU-hog - and indeed the
> traces and the above description all say that it really is a CPU hog.
> 
> by renicing it to -10 it gets super-attention from the scheduler, so it
> can be a CPU hog _and_ create sound.

Sorry, this is my fault, I'm actually renicing the process to '10' not
'-10' that's a typo.  I tested this again this morning to make sure. 
I'm renicing this as a regular user, I don't think that a regular user
is allowed to renice to a negative value.

Later,
Tom