From owner-freebsd-hackers@FreeBSD.ORG  Wed May 10 13:22:12 2006
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From: Iasen Kostov <tbyte@otel.net>
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Date: Wed, 10 May 2006 16:22:10 +0300
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Subject: Re: Heavy system load by pagedaemon
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On Wed, 2006-05-10 at 16:15 +0300, Vasil Dimov wrote:
> On Wed, May 10, 2006 at 03:43:58PM +0300, Iasen Kostov wrote:
> > On Wed, 2006-05-10 at 15:32 +0300, Iasen Kostov wrote:
> > > On Wed, 2006-05-10 at 15:28 +0300, Iasen Kostov wrote:
> > > > 	Hello
> > > > I (probably) have some problem with a hosting server machine halting
> > > > about once a 30 to minute (probably when the free memory falls under
> > > > some threshold). At that moment the machine totally halts for about 5 sec
> > > > then resumes normal work with load average around 9-15 (depends on
> > > > system load) from about 2-3. The system is:
> > > > (nice try :()
> > >  FreeBSD 6.1-PRERELEASE #7: Wed Mar 15 17:35:21 EET 2006
> > > 
> > >  ACPI APIC Table: <PTLTD          APIC  >
> > >  Timecounter "i8254" frequency 1193182 Hz quality 0
> > >  CPU: Dual Core AMD Opteron(tm) Processor 270 (2004.56-MHz K8-class CPU)
> > >    Origin = "AuthenticAMD"  Id = 0x20f12  Stepping = 2
> > > 
> > > Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
> > >    Features2=0x1<SSE3>
> > >    AMD Features=0xe2500800<SYSCALL,NX,MMX+,<b25>,LM,3DNow+,3DNow>
> > >  real memory  = 8724152320 (8320 MB)
> > >  avail memory = 8315379712 (7930 MB)
> > >  FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> > > 
> > 	Hum, I was probably wrong about the free memory threshold - it
> > currently has ~1600MB of free and it is doing it again. When the free
> > memory falls under ~30MB it is just doing it more frequently.
> > 
> If you are absolutely sure there is a problem with the OS the first
> thing you should (probably) do is to upgrade to 6.1-STABLE
> 
> Good luck!
	Yep but first I'm not sure ... and second - it's using CPanel and I'm
not sure what will happen if I do a "make world" :). And someting else -
it's a heavy loaded production machine and I can't just stop it for
upgrade :).

Regards.