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Re: x86 changes

On Thu, Sep 20, 2007 at 11:41:46PM +0100, Andrew Doran wrote:
> Hi,
> I just realised that I am not subscribed to this list.. Is anyone willing to
> try a Xen kernel with this patch?
>       http://www.netbsd.org/~ad/x86.diff
> Among other things, it:
> - makes the i386 kernel compile with pcc (well almost, a number of files
>   are problematic)
> - reduces amd64 GENERIC.MP kernel by ~130kb, similar for the others I guess
> - makes x86 bus_space and bus_dma more LKM friendly
> - shares a few more files between the x86 ports

there is a missing
#include "opt_xen.h" in i386/cpufunc.S
without it the kenrel doesn't build

A XEN3_DOM0 kernel fails with:
Loaded initial symtab at 0xc09875e0, strtab at 0xc09ea82c, # entries 23879
panic: kernel diagnostic assertion "doing_shutdown || curlwp != NULL || 
(map->flags & VM_MAP_INTRSAFE)" failed: file 
"/dsk/l1/misc/bouyer/current/src/sys/uvm/uvm_map.c", line 1078
Stopped at      netbsd:breakpoint+0x1:  ret

This is before the copyright string is printed; I never get the db> prompt
(maybe it's too early at this point to have a full ddb working).

A XEN3_DOMU kernel doesn't start, it seems to be looping before console
is working.

A XEN2_DOM0 fails in the same way a XEN3_DOM0 kernel.

Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference

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