Re: periodic, short freezes

2006-11-11 Thread Kris Kennaway
On Sat, Nov 11, 2006 at 09:36:25AM +0100, Zbigniew Szalbot wrote: > Hello, > > On Sat, 11 Nov 2006, Kris Kennaway wrote: > > >The fact that swap is in use, together with your description, > >indicates that your system is overloaded; those transient loads are > >causing it to periodically demand m

Re: periodic, short freezes

2006-11-11 Thread Kris Kennaway
On Sat, Nov 11, 2006 at 07:40:43AM -0600, Jonathan Horne wrote: > On Saturday 11 November 2006 02:36, Zbigniew Szalbot wrote: > > Hello, > > > > > > > Jonathan - what is your swap use? Cause you also experience this kind of > > problem... > > > > Thanks! > > i have all my apps open that i typeica

Re: periodic, short freezes

2006-11-11 Thread Jonathan Horne
On Saturday 11 November 2006 02:36, Zbigniew Szalbot wrote: > Hello, > > > Jonathan - what is your swap use? Cause you also experience this kind of > problem... > > Thanks! i have all my apps open that i typeically run, and i have 108K of swap in use (so not even 1 MB). my system is a p4 3.2HT

Re: periodic, short freezes

2006-11-11 Thread Zbigniew Szalbot
Hello, On Sat, 11 Nov 2006, Kris Kennaway wrote: The fact that swap is in use, together with your description, indicates that your system is overloaded; those transient loads are causing it to periodically demand more working memory than is backed by RAM, so the system goes into a frenzy of swa

Re: periodic, short freezes

2006-11-10 Thread Kris Kennaway
On Fri, Nov 10, 2006 at 10:18:59AM +0100, Zbigniew Szalbot wrote: > Dear Kris and others, > > On Thu, 9 Nov 2006, Kris Kennaway wrote: > > >OK, you'll need to do some more diagnosis along the lines of my previous > >email then. > > Here's my typical load: > > last pid: 96934; load averages:

Re: periodic, short freezes

2006-11-10 Thread Karol Kwiatkowski
On 10/11/2006 14:29, Zbigniew Szalbot wrote: > Hello, > > On Fri, 10 Nov 2006, Karol Kwiatkowski wrote: > >> Just a shot in the dark, but I haven't seen it mentioned yet: >> >> have you used any variables affecting kernel compilation, especially >> CPUTYPE, CFLAGS, COPTFLAGS? I remember seeing so

Re: periodic, short freezes

2006-11-10 Thread Zbigniew Szalbot
Hello Andy, On Fri, 10 Nov 2006, Andy Greenwood wrote: the CPUTYPE, CFLAGS and COPTFLAGS are make.conf variables, not kernel config options. Well, thank you. Shame but I wasn't even remotely aware of it! And for this reason these are all commented out. Thanks again! -- Zbigniew Szalbot __

Re: periodic, short freezes

2006-11-10 Thread Andy Greenwood
On 11/10/06, Zbigniew Szalbot <[EMAIL PROTECTED]> wrote: Hello, On Fri, 10 Nov 2006, Karol Kwiatkowski wrote: > Just a shot in the dark, but I haven't seen it mentioned yet: > > have you used any variables affecting kernel compilation, especially > CPUTYPE, CFLAGS, COPTFLAGS? I remember seeing

Re: periodic, short freezes

2006-11-10 Thread Zbigniew Szalbot
Hello, On Fri, 10 Nov 2006, Karol Kwiatkowski wrote: Just a shot in the dark, but I haven't seen it mentioned yet: have you used any variables affecting kernel compilation, especially CPUTYPE, CFLAGS, COPTFLAGS? I remember seeing some strange effects when I messed with them too much (we've all

Re: periodic, short freezes

2006-11-10 Thread Karol Kwiatkowski
On 09/11/2006 09:12, Zbigniew Szalbot wrote: > Hello, > > I am running FBSD 6-1 stable with custom kernel. Occasionally I > experience short freezes - that is the machine stops to respond for a > few seconds and then happily starts to work again. > > My general question is what log should I inspe

Re: periodic, short freezes

2006-11-10 Thread Zbigniew Szalbot
Hello, On Thu, 9 Nov 2006, Jonathan Horne wrote: any update on your freezing? i have the same problem from time to time, and ive considered changing to the other scheduler, but i never have. did you do it yet, and is there any difference? I checked some logs and see this: E 20061110 032156

Re: periodic, short freezes

2006-11-10 Thread Zbigniew Szalbot
Dear Kris and others, On Thu, 9 Nov 2006, Kris Kennaway wrote: OK, you'll need to do some more diagnosis along the lines of my previous email then. Here's my typical load: last pid: 96934; load averages: 0.03, 0.06, 0.05 up 29+20:47:07 10:16:09 68 processes: 1 running, 67 sleeping

Re: periodic, short freezes

2006-11-09 Thread Kris Kennaway
On Thu, Nov 09, 2006 at 11:29:51PM +0100, Zbigniew Szalbot wrote: > Hello, > > On Thu, 9 Nov 2006, Kris Kennaway wrote: > > >How do you know the entire system is freezing instead of just the tty? > >:) If you have e.g. heavy disk write activity then the syncer will > >grab Giant while flushing pe

Re: periodic, short freezes

2006-11-09 Thread Zbigniew Szalbot
Hello, On Thu, 9 Nov 2006, Kris Kennaway wrote: How do you know the entire system is freezing instead of just the tty? :) If you have e.g. heavy disk write activity then the syncer will grab Giant while flushing periodically and delay other things that require Giant, like serial terminals. I

Re: periodic, short freezes

2006-11-09 Thread Kris Kennaway
On Thu, Nov 09, 2006 at 10:56:53PM +0100, Zbigniew Szalbot wrote: > Hello, > > On Thu, 9 Nov 2006, Kris Kennaway wrote: > > >Is your system swapping? Monitor with top, swapinfo, etc. > > I will take a more careful look in the course of next few days. The > problem is that I access this box onl

Re: periodic, short freezes

2006-11-09 Thread Zbigniew Szalbot
Hello, On Thu, 9 Nov 2006, Kris Kennaway wrote: Is your system swapping? Monitor with top, swapinfo, etc. I will take a more careful look in the course of next few days. The problem is that I access this box only via tty so when it does freeze I have no way to determine what really happens

Re: periodic, short freezes

2006-11-09 Thread Kris Kennaway
On Thu, Nov 09, 2006 at 09:12:06AM +0100, Zbigniew Szalbot wrote: > Hello, > > I am running FBSD 6-1 stable with custom kernel. Occasionally I experience > short freezes - that is the machine stops to respond for a few seconds and > then happily starts to work again. > > My general question is

Re: periodic, short freezes

2006-11-09 Thread Zbigniew Szalbot
Hello, On Thu, 9 Nov 2006, [EMAIL PROTECTED] wrote: On 11/9/06, Zbigniew Szalbot <[EMAIL PROTECTED]> wrote: I am running FBSD 6-1 stable with custom kernel. Occasionally I experience short freezes - that is the machine stops to respond for a few seconds and then happily starts to work again.

Re: periodic, short freezes

2006-11-09 Thread [EMAIL PROTECTED]
On 11/9/06, Zbigniew Szalbot <[EMAIL PROTECTED]> wrote: > I am running FBSD 6-1 stable with custom kernel. Occasionally I experience short freezes - that is the machine stops to respond for a few seconds and then happily starts to work again. kernels built with optionsSCHED_ULE Behave l