Subject: Re: port-amd64/33927: -current/amd64 kernel reboots early in boot process
To: Matthias Drochner <M.Drochner@fz-juelich.de>
From: Nicolas Joly <njoly@pasteur.fr>
List: netbsd-bugs
Date: 07/13/2006 13:23:23
On Thu, Jul 13, 2006 at 12:42:00AM +0200, Matthias Drochner wrote:
>
> fvdl@NetBSD.org said:
> > Ok, that narrows it down to changes that only affect the
> > MULTIPROCESSOR case.
>
> Didn't follow the thread from the beginning, but there was a change
> by me which unfortunately affects multiprocessor systems: I changed
> the kernel memory allocator to respect the execute permission bit.
> (This used to work all the time for alpha.)
> I don't understand all the details yet, but MP systems need some
> pieces of memory mapped with execute permission; see the appended
> patch.
Thanks a lot.
I can report that all the MULTIPROCESSOR kernels are fine on my Tyan
s2885 (GENERIC.MP and GENERIC_ACPI+MULTIPROCESSOR).
--
Nicolas Joly
Biological Software and Databanks.
Institut Pasteur, Paris.