On Tuesday 12 February 2008 15:32, Jan-Simon Möller wrote: > Am Dienstag 12 Februar 2008 21:00:25 schrieb Len Brown: > [...] > > > > thanks for the acpidump in http://bugzilla.kernel.org/show_bug.cgi?id=9939 > > > > This BIOS makes heavy use of TRAP's into SMM, Windows version-specific > > hooks, and WMI -- all bad news for Linux. > Its a Phoenix BIOS btw. > For the WMI: Could acer_wmi be extended for this as Alex suggested ? > Another FSC model is listed in their hw-db. yes, but rather than extending acer_wmi, it would probably be more appropriate to fork it into fsc_wmi... > Atm this is fine for me - being able to adjust the brightness in "some" way. > But this is not good for user/newbie xyz. How should he know the > kernel-cmdline. I saw your comments in bugzilla 9939. One possibility is that we could add a DMI entry that automatically does acpi_osi="!Windows 2006" for you. > Sidenote: > I don't like this BIOS - there are just no features in it. I'm also struggling > with vmx being disabled by the bios - and no menu to enable it. > > > But OSI(Linux) itself is a NOP on this box, since LINX is set and never > > referenced, per below. > > > > -Len > > > > Method (_INI, 0, NotSerialized) > > { > > If (DTSE) > > { > > TRAP (0x47) > > } > > > > Store (0x07D0, OSYS) > > If (CondRefOf (_OSI, Local0)) > > { > > If (_OSI ("Linux")) > > { > > Store (0x01, LINX) > > } > > > > If (_OSI ("Windows 2001")) > > { > > Store (0x07D1, OSYS) > > } > > > > If (_OSI ("Windows 2001 SP1")) > > { > > Store (0x07D1, OSYS) > > } > > > > If (_OSI ("Windows 2001 SP2")) > > { > > Store (0x07D2, OSYS) > > } > > > > If (_OSI ("Windows 2006")) > > { > > Store (0x07D6, OSYS) > > } > > } > > > > If (LAnd (MPEN, LEqual (OSYS, 0x07D1))) > > { > > TRAP (0x3D) > > } > TRAP 0x3D is the Windows WMI code then ? only "Windows 2001 SP1" -- so it must be a pretty targeted SMM entry point... > > > > TRAP (0x2B) > > TRAP (0x32) > I wonder what these two are ;) There is no way to tell. The code (that I didn't show) is littered with TRAPs... cheers, -Len - 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