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Date: Sun, 21 Aug 2011 00:03:27 +0200
From: Dimitry Andric <dim@FreeBSD.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: gptzfsboot error  using HP Smart Array P410i Controller
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On 2011-08-18 18:30, Christoph Hoffmann wrote:
=2E..
> Changing the order of execution in zfsboot.c main() function to
>
> [=85]
> int
> main(void)
> {
> [=85]
>      bios_getmem();
>
>      if (high_heap_size>  0) {
> [=85]
>      bootinfo.bi_version =3D BOOTINFO_VERSION;
>      bootinfo.bi_size =3D sizeof(bootinfo);
>      bootinfo.bi_basemem =3D bios_basemem / 1024;
>      bootinfo.bi_extmem =3D bios_extmem / 1024;
>      bootinfo.bi_memsizes_valid++;
> /*  bootinfo.bi_bios_dev =3D dsk->drive; */
>      bootinfo.bi_bios_dev =3D *(uint8_t *)PTOV(ARGS);
>
>      dsk =3D malloc(sizeof(struct dsk));
>      dsk->drive =3D *(uint8_t *)PTOV(ARGS);
>      dsk->type =3D dsk->drive&  DRV_HARD ? TYPE_AD : TYPE_FD;
>      dsk->unit =3D dsk->drive&  DRV_MASK;
>      dsk->slice =3D *(uint8_t *)PTOV(ARGS + 1) + 1;
>      dsk->part =3D 0;
>      dsk->start =3D 0;
>      dsk->init =3D 0;
>
>      bootdev =3D MAKEBOOTDEV(dev_maj[dsk->type],
>                            dsk->slice, dsk->unit, dsk->part),
> [=85]
>
>
> fixes the problem.

Can you please use -save-temps to save the intermediate zfsboot.s files,
both before and after you change this order, then post them here?  It's
easiest to just do:

DEBUG_FLAGS=3D-save-temps make -C /usr/src/sys/boot/i386/gptzfsboot clean=
 all

then save /usr/obj/usr/src/sys/boot/i386/gptzfsboot/zfsboot.s somewhere.