[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Current HVM acpi support is broken
Hi Christian, Ian and Kair, I think current hvm acpi support is broken. We noticed qemu to 0.82 with acpi support is introduced on changset 10957, it is conflict with xen hvm acpi code, in ../ioemu/hw/cp.c start from ln 860: cmos_init(ram_size, boot_device, bs_table, timeoffset); /* using PIIX4 acpi model */ if (pci_enabled && acpi_enabled) pci_piix4_acpi_init(pci_bus, piix3_devfn + 3); if (pci_enabled && usb_enabled) { usb_uhci_init(pci_bus, piix3_devfn + 2); } if (pci_enabled && acpi_enabled && 0) { piix4_pm_init(pci_bus, piix3_devfn + 3); } ... /* XXX: should be done in the Bochs BIOS */ if (pci_enabled) { pci_bios_init(); if (acpi_enabled) acpi_bios_init(); } } The above code generate two acpi tables and acpi pci piix func3 device when acpi=1 in hvm guest platform. Two sets of acpi can not co-exist:) What acpi set do we need to keep? What is the advatage for that? We are cureent have to use changset 10955 puls acpi_init_fix.patch for acpi related development. Regards, Winston, _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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