On Monday 11 February 2008 12:27, Krzysztof Oledzki wrote: > > On Sun, 10 Feb 2008, Len Brown wrote: > > > On Sunday 10 February 2008 17:09, Krzysztof Oledzki wrote: > >> Hello, > >> > >> ACPI: EC: Look up EC in DSDT > >> ACPI: BIOS _OSI(Linux) query ignored > >> ACPI: DMI System Vendor: Dell Inc. > >> ACPI: DMI Product Name: PowerEdge 1950 > >> ACPI: DMI Product Version: > >> ACPI: DMI Board Name: 0TT740 > >> ACPI: DMI BIOS Vendor: Dell Inc. > >> ACPI: DMI BIOS Date: 10/27/2007 > >> ACPI: Please send DMI info above to linux-acpi@xxxxxxxxxxxxxxx > > Thanks for the acpidiump output. acpi_osi=Linux is a NOP on this box. cheers, -Len It looks like Dell went out of their way to make Linux a recognized OS, but the code that actually accesses TOOS makes Linux a synonym for Vista, which we have w/o OSI(Linux). The exception is the PCI root bridge HID/CID exchange, where only Vista gets PCIe native. Name (TOOS, 0x00) Method (INIC, 0, NotSerialized) { If (CondRefOf (_OSI, Local0)) { If (\_OSI ("Windows 2001")) { Store (0x05, TOOS) } If (\_OSI ("Windows 2001.1")) { Store (0x06, TOOS) } If (\_OSI ("Windows 2001.1 SP1")) { Store (0x07, TOOS) } If (\_OSI ("Windows 2006")) { Store (0x08, TOOS) } If (\_OSI ("Windows 2006.1")) { Store (0x08, TOOS) } If (\_OSI ("Linux")) { Store (0x01, TOOS) # The windows compatible value of TOOS gets overwritten # to 1 on OSI(Linux) } } Else { Store (\_OS, Local0) Store (SCMP (Local0, "Microsoft Windows NT"), Local1) If (Not (Local1)) { Store (0x04, TOOS) } Else { Store (SCMP (Local0, "Microsoft Windows"), Local2) If (Not (Local2)) { Store (0x02, TOOS) } Else { Store (SCMP (Local0, "Microsoft WindowsME:Millennium Edition"), Local3) If (Not (Local3)) { Store (0x03, TOOS) } } } } } .... If (LGreaterEqual (\_SB.TOOS, 0x08)) { Store (0x080AD041, \_SB.PCI0._HID) Store (0x030AD041, \_SB.PCI0._CID) } Else { Store (0x030AD041, \_SB.PCI0._HID) Store (0x080AD041, \_SB.PCI0._CID) } - 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