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Re: [Qemu-devel] [PATCH v4 00/23] ACPI reorganization for hardware-reduc
From: |
Samuel Ortiz |
Subject: |
Re: [Qemu-devel] [PATCH v4 00/23] ACPI reorganization for hardware-reduced support |
Date: |
Mon, 5 Nov 2018 17:16:19 +0100 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Hi Andrew,
On Mon, Nov 05, 2018 at 05:07:53PM +0100, Andrew Jones wrote:
> > > QEMU already has hw reduced implementation, specifically in arm/virt board
> > Back in May, I tried booting a virt machine type with "acpi=force" with
> > no success, and today's HEAD still fails. With "acpi=on":
> >
> > [ 0.000000] ACPI: Early table checksum verification disabled
> > [ 0.000000] ACPI: Failed to init ACPI tables
> >
> > So this code has been broken for several months and I suspect it's not
> > really run by anyone.
>
> Hi Samuel,
>
> We use it all the time. To see if there had been an upstream regression I
> just tried latest qemu (v3.0.0-1763-gb2f7a038bb4c) with a latest kernel
> (v4.20-rc1) in my guest. It worked just fine, and there was no need for
> any kernel command line parameters.
>
> What guest kernel version did you try?
This is my bad, apologies for jumping the gun. I was not using the right
pflash options and thus the ACPI tables were simply not passed to the
kernel. Philippe and Eric helped me fix that, and now I can boot
arm/virt on top of ACPI. Sorry for the bad noise.
Cheers,
Samuel.
- [Qemu-devel] [PATCH v4 21/23] hw: pci-host: piix: Return PCI host pointer instead of PCI bus, (continued)
- [Qemu-devel] [PATCH v4 21/23] hw: pci-host: piix: Return PCI host pointer instead of PCI bus, Samuel Ortiz, 2018/11/01
- [Qemu-devel] [PATCH v4 18/23] hw: acpi: Retrieve the PCI bus from AcpiPciHpState, Samuel Ortiz, 2018/11/01
- [Qemu-devel] [PATCH v4 20/23] hw: i386: Implement the ACPI builder interface for PC, Samuel Ortiz, 2018/11/01
- [Qemu-devel] [PATCH v4 22/23] hw: i386: Set ACPI configuration PCI host pointer, Samuel Ortiz, 2018/11/01
- [Qemu-devel] [PATCH v4 19/23] hw: acpi: Define ACPI tables builder interface, Samuel Ortiz, 2018/11/01
- [Qemu-devel] [PATCH v4 23/23] hw: i386: Refactor PCI host getter, Samuel Ortiz, 2018/11/01
- Re: [Qemu-devel] [PATCH v4 00/23] ACPI reorganization for hardware-reduced support, Igor Mammedov, 2018/11/02