Re: modload & xen and -current 9.99.60

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Fri, 8 May 2020, Manuel Bouyer wrote:

> On Fri, May 08, 2020 at 02:55:10PM +0200, Frank Kardel wrote:
> > I checked to same kernel in an instance with memory=2048 and it just works.
> >
> > Using todays kernel also works woth memory=2048.
> >
> > Using memory=65536 for the xen instance gives a surprising familiar
> >
> > TEST-A# modload bpfjit
> > [  97.4727034] kobj_load, 444: [%M/bpfjit/bpfjit.kmod]: linker error: out of
> > memory
> > modload: bpfjit: Cannot allocate memory
> > TEST-A#
> >
> > So it seems to be linked to available memory.
> >
> > The more you have the less you get for modload.
>
> It could be a variable overflow somewhere but I can't see how it relates to
> 64Gb. Does it work with 16Gb ?

This sounds similar to the problem I reported a couple of weeks ago with 
exactly 16GB:

http://mail-index.netbsd.org/port-xen/2020/04/17/msg009654.html

> Also could you try with a PVH or HVM guest ? These ones would use modules
> from /stand/amd64/ and not /stand/amd64-xen/ and should be close to native.
>
> I don't have a box with that much RAM to test ...
>
> --
> Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>     NetBSD: 26 ans d'experience feront toujours la difference
> --