SMP and networking under FreeBSD 5.3

Dmitry Mityugov dmitry.mityugov at
Tue Jun 14 19:37:27 GMT 2005

On 6/14/05, Joe <josepha48 at> wrote:
> Hello,
>     Not sure if this is the place to ask this.  But this is a
> freebsd question.
>     I've been running FreeBSD since about 4.6.  I have 2
> machines running FreeBSD.  One is used as a router, its an SMP
> machine, and the other is used to build the source code.
>     I'm having a problem with the SMP machine.  When the machine
> boots, dmesg shows two messages, that the UP does not show.
> WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant
> WARNING: MPSAFE network stack disabled, expect reduced
> performance.
>    In v52a I did not get these messages.  After doing some
> research, I understand that this has to do with the kernel
> locking.
>    It seems that now my networking is not working on the SMP
> machine.  I know others have asked about this, and saw the
> release notes, about setting debug.mpsafenet=0, but my
> networking is still not working right.
>    Also /dev/kmem and /dev/mem are missing so netstat -ar does
> not work either.
>    Where do I start to find a solution to this?

Does FreeBSD 5.4 exhibit the same behavior?


"We live less by imagination than despite it" - Rockwell Kent, "N by E"

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