Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)

Freddie Cash fcash at
Tue May 24 09:56:39 PDT 2005

On May 24, 2005 09:32 am, you wrote:
> Freddie Cash wrote:
> > The laptop has an ATI IXP chipset, which means the HD is detected and
> > run as a generic UDMA33 device.  The kernel is using the 4BSD
> > scheduler with PREEMPTION enabled, all debugging hints disabled, and
> > all the mpsafe sysctls enabled.

> Hmm.. maybe the disk (interface) is just too slow to trigger this when
> running in UDMA33 (and a slow notebook disk).. I have observed it on a
> SATA Seagate setup (on ICH6 chipset).  Just a wild guess.

That is a possibility, yes.  Next time I upgrade Firefox or Thunderbird, 
I'll have to watch the processor and disk usage to see if that's the case.

Freddie Cash
fcash at

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