Subject: Re: SMP increasing in stability...
To: Bill Sommerfeld <>
From: Greg Lehey <>
List: tech-smp
Date: 08/19/2000 13:25:54
On Friday, 18 August 2000 at 23:12:03 -0400, Bill Sommerfeld wrote:
> An update on the SMP work..
> After some debugging, the "big lock" and i386-specific SMP code is
> starting to stabilize.  Staying up for a "make -j4" of the kernel, or
> through an amanda backup of the system, is no longer remarkable,
> though there are still a few occasional pesky system-crashing bugs
> lurking here and there.
> Jason is in the process of merging the largest set of changes into
> -current -- namely, a change to how the scheduler and run queues are
> locked; once that's in, we'll then work on committing the
> machine-independant parts of the "big kernel lock", at which point all
> the relevant MI code will be in -current.

I don't suppose that it's really attractive right now, but as you
know, we're in the process of integrating the BSD/OS SMPng code into
FreeBSD, and those sources are open source.  Take a look at another
Jason's SMP page for an overview:

Finger for PGP public key
See complete headers for address and phone numbers