SMP performance on drgonfly

Kris Kennaway kkenn at
Sat May 19 10:44:03 PDT 2007

On 2007-05-19, Gergo Szakal <bastyaelvtars at> wrote:
> On Fri, 18 May 2007 19:58:24 -0400
> Kris Kennaway <kris at> wrote:
>> >     You may be able to get DragonFly to run on the machines you
>> >     were having problems with by compiling it with SMP but 
>> >     without APIC_IO.  With that combination DragonFly will use
>> >     the PIC in SMP mode, which usually works.
>> The issue is that I cannot even install with a UP kernel, so I can't
>> recompile to test this.  I posted with more details about this problem
>> a few months ago.
> You can install 1.8, fetch the Preview sources via cvsup and upgrade.

No, that is what I tried.  As I understand the problem, it is
unfortunately not a simple bug or regression, rather a missing
capability that will require a reasonable amount of work to add.


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