On Wed, Sep 13, 2023 at 12:55:50PM +0200, Laszlo Ersek wrote: > "acpi=off" is arguably unusual with UEFI guest OSes; add a note to explain > it. Original explanation by Drew Jones. > > Cc: Andrei Warkentin <andrei.warken...@intel.com> > Cc: Andrew Jones <ajo...@ventanamicro.com> > Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> > Cc: Gerd Hoffmann <kra...@redhat.com> > Cc: Jiewen Yao <jiewen....@intel.com> > Cc: Jordan Justen <jordan.l.jus...@intel.com> > Cc: Sunil V L <suni...@ventanamicro.com> > Signed-off-by: Laszlo Ersek <ler...@redhat.com> > --- > OvmfPkg/RiscVVirt/README.md | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/OvmfPkg/RiscVVirt/README.md b/OvmfPkg/RiscVVirt/README.md > index 193e4afe8dee..1dba1a26af2d 100644 > --- a/OvmfPkg/RiscVVirt/README.md > +++ b/OvmfPkg/RiscVVirt/README.md > @@ -70,6 +70,11 @@ Below example shows how to boot openSUSE Tumbleweed E20. > -device virtio-blk-device,drive=hd0 \ > -drive > file=openSUSE-Tumbleweed-RISC-V-E20-efi.riscv64.raw,format=raw,id=hd0 > > + Note: the `acpi=off` machine property is specified because Linux guest > + support for ACPI (that is, the ACPI consumer side) is a work in progress. > + Currently, `acpi=off` is recommended unless you are developing ACPI > support > + yourself. > + > ## Test with your own OpenSBI binary > Using the above QEMU command line, **RISCV_VIRT_CODE.fd** is launched by the > OpenSBI binary that is bundled with QEMU. You can build your own OpenSBI > binary >
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