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.