On 24.02.2009, Len Brown wrote: > Please attach the output of acpidump here: > http://bugzilla.kernel.org/show_bug.cgi?id=12758 Did just upload the attachment. > Also, if this system has both pic and IOAPIC mode, > it would be interesting to try booting it in both, > eg with "noapic". Booting with the "noapic" option, the logfile shows: [....] <7>bus: 00 index 3 mmio: [d0000000, efffffff] <7>bus: 00 index 4 mmio: [230000000, fcffffffff] <6>ACPI: bus type pci registered <5>PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 127 <5>PCI: MCFG area at f0000000 reserved in E820 <6>PCI: Using MMCONFIG at f0000000 - f7ffffff <6>PCI: Using configuration type 1 for base access <4>bio: create slab <bio-0> at 0 <7>ACPI: EC: Look up EC in DSDT <3>ACPI: Denied BIOS AML access to invalid port 0x4d0+0x2 (ELCR) <4>ACPI Exception (dsopcode-0419): AE_AML_ILLEGAL_ADDRESS, During address validation of OpRegion [ELCR] [20081204] <6>ACPI: Interpreter enabled <6>ACPI: (supports S0 S1 S5) <6>ACPI: Using PIC for interrupt routing <6>ACPI: No dock devices found. <6>ACPI: PCI Root Bridge [PCI0] (0000:00) <7>pci 0000:00:01.1: reg 10 io port: [0xe800-0xe83f] [....] Greetings, Heinz. -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html