Review needed

[Warner Losh]

On May 5, 2012, at 12:10 PM, John-Mark Gurney wrote:

> Warner Losh wrote this message on Sat, May 05, 2012 at 00:45 -0600:
>> I just tried to bring up an old Gateworks AVILA board that I'd acquired a long time ago....
> 
> Hmm... weird...  Late last year I brought my AVILA board back up on
> 9.0-RC1 and since I decided to try to boot from CF, I did have to
> update sys/boot/arm/ixp425/boot2/boot2.c to support the new ada devices
> instead of the old ad...  but that's the only major change I made...

This is with the G2348 config file.  Maybe that's the difference...

>> After fighting through a few bugs in the nanobsd build, I managed to get an image.
>> 
>> That image failed to boot.  When it harvested entropy, it just started printing pmap_mincore() over and over again until I hit ^T enough to let the rest of the boot process continue.  Sure enough, arm's pmap_mincore() returns 0 after printing this.
>> 
>> So, I cobbled together the following after looking at mips and amd64's pmap_mincore() functions.
>> 
>> I've just cut and pasted it here since I think that might be easier to review than a diff, but I've also uploaded that as well to http://people.freebsd.org/~imp/arm-pmap_mincore.diff
>> 
>> Comments?
> 
> Must be a head only thing...

No, it was a nanobsd-built stable/9 from yesterday

Warner