FreeBSD kernel init slower than linux

illoai at gmail.com illoai at gmail.com
Sat Mar 5 03:56:38 UTC 2011


On 4 March 2011 17:10, David Demelier <demelier.david at gmail.com> wrote:
> Hello,
>
> I know this is a awful subject, but I recently tried a Gentoo on my laptop
> and I was surprised to see Linux booting about 2-3 times faster than
> FreeBSD.
>
> I don't talk about the init/rc script but only kernel initialisation. For
> linux kernel it's around 5-6 seconds vs 15-18 seconds for FreeBSD.
>
> Why FreeBSD is so slower than Linux to boot the kernel?
>

USB probe times for FreeBSD are extremely
long.  I'm not sure of Linux parallelizes this
or just waits until rc time.

Wireless seems to be a similar issue here.

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