Bug#498328: linux-image-2.6.26-1-amd64: nice is not "fair": mouse jumps and chars repeated in terminal
On Tue, Sep 23, 2008 at 12:24:46PM +0200, Sandro Tosi wrote:
> On Tue, Sep 23, 2008 at 12:18, Havis <juraj.kvasnica@gmail.com> wrote:
> > Hi, I have same problems like you.
> > I have Debian Lenny with 2.6.26-1-686 kernel
> > I have been running boinc for a long time
> > and these issues appeard on my PC after
> > I started using kernels with CFS scheduler (2.6.24+)
So the problem exists with .24, .25 and .26? The Debian packages changed
the behavour of the scheduler decisions several times with the group
scheduler.
> > A solution for me was to turn off HyperThreading in BIOS.
If it is a real problem in the HT scheduler then we are off luck.
> > I think that -nice 19 processes have too high priority
> > and that -nice 19 behavior should be changed
> > so that these tasks get only _free_ (not used) CPU clocks.
No, the behaviour of niceness 19 is unchanged in years. You speak about
idle priority which also exists but is not accessible by the normal user
because of possible priority inversions.
Bastian
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