On Nov 19, 2007 9:53 AM, Anish Mistry <[EMAIL PROTECTED]> wrote: > On Wednesday 07 November 2007, Anish Mistry wrote: > > On Monday 05 November 2007, [LoN]Kamikaze wrote: > > > Marc Fonvieille wrote: > > > > On Thu, Oct 18, 2007 at 05:53:47PM +0200, [LoN]Kamikaze wrote: > > > >> Anish Mistry wrote: > > > >>> On Thursday 18 October 2007, Marc Fonvieille wrote: > > > >>>> On Wed, Oct 17, 2007 at 12:28:30PM -0400, Anish Mistry wrote: > > > >>>>> I just updated to RELENG_7 from 6.2 and I'm running into > > > >>>>> some really annoying issues with jerky mouse movement and > > > >>>>> skipping sound. This seems to be similar to: > > > >>>>> Re: SCHED_4BSD in RELENG_7 disturbs workflow > > > >>>>> This happens both with 4BSD and ULE. > > > >>>>> > > > >>>>> I seems to happen when I'm compiling ports and a new > > > >>>>> cc/bzip2/sh process fires off (I'm just watching top), I'll > > > >>>>> get the skip/freezeup. > > > >>>> > > > >>>> [...] > > > >>>> > > > >>>> Using ULE and UP kernel (i.e. without SMP etc.) helped a bit > > > >>>> the things but it's still very annoying to use firefox > > > >>>> during ports build. I see this lag/freeze on all boxes I > > > >>>> use with 7.0, but it's true that with a fast machine people > > > >>>> can ignore the problem, it's less obvious than with a 1GHz > > > >>>> box for example. > > > >>> > > > >>> Yeah, I'm still seeing this behavior. Does anyone have > > > >>> suggestions on debugging? > > > >>> > > > >>> Thanks, > > > >> > > > >> I did post the solution in this thread. > > > > > > > > It has nothing to do with the mouse. > > > > > > Does the problem persist for you? It's gone for me, even with > > > moused. > > > > Yes, the problem seems to have been fixed. I'm back to > > kern.hz=1000 and removed FULL_PREEMPTION. No skipping. > It looks like I spoke too soon. I've just tried to compile miro and > as it was compiling the boost-python dependency I noticed the problem > again. Switching kern.hz="100" seems to fix the problem. Can any of > the developers in this area reproduce the issue? It's pretty easy to > reproduce on my 1.33Ghz Athlon. > There is an ithread priority inversion bug that might be causing this. The fix for that should be going in shortly.
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