Re: [PATCH v4 4/7] hw/riscv: Use pre-built bios image of generic platform for virt & sifive_u

[Alistair Francis]

On Wed, Jul 15, 2020 at 9:55 PM Bin Meng <bmeng.cn@gmail.com> wrote:
>
> Hi Alistair,
>
> On Mon, Jul 13, 2020 at 9:53 AM Bin Meng <bmeng.cn@gmail.com> wrote:
> >
> > On Sun, Jul 12, 2020 at 1:34 AM Alistair Francis <alistair23@gmail.com> 
> > wrote:
> > >
> > > On Thu, Jul 9, 2020 at 10:07 PM Bin Meng <bmeng.cn@gmail.com> wrote:
> > > >
> > > > From: Bin Meng <bin.meng@windriver.com>
> > > >
> > > > Update virt and sifive_u machines to use the opensbi fw_dynamic bios
> > > > image built for the generic FDT platform.
> > > >
> > > > Remove the out-of-date no longer used bios images.
> > > >
> > > > Signed-off-by: Bin Meng <bin.meng@windriver.com>
> > > > Reviewed-by: Anup Patel <anup@brainfault.org>
> > > > Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
> > >
> > > This patch seems to break 32-bit Linux boots on the sifive_u and virt 
> > > machines.
> > >
> >
> > It looks only Linux boot on sifive_u is broken. On our side, we have
> > been using VxWorks to test 32-bit OpenSBI on sifive_u so this issue
> > gets unnoticed. I will take a look.
>
> I've figured out the issue of 32-bit Linux booting failure on
> sifive_u. A patch has been sent to Linux upstream:
> http://lists.infradead.org/pipermail/linux-riscv/2020-July/001213.html

Thanks for that. What change in QEMU causes this failure though?

There are lots of people not running the latest Linux from master that
this will cause breakages for.

Alistair

>
> Regards,
> Bin