On Mon, 2008-04-28 at 14:18 -0400, Jeremy Moles wrote: > We are having some ACPI problems with a second generation Panasonic > CF-30 laptop, (by that I mean specifically the Core2Duo version, model > number starts with CF-30F---, and not the mk1 version CoreDuo CF-30C--- > model). > > While the CoreDuo CF-30C--- models are quite fine with ACPI, the mk2 > Core2Duo version will not boot without a custom DSDT, and even then the > system contains many warnings and has been highly "unstable" (that is: > random, non-deterministic lockups). > > The BIOS and EC version are both V2.00L11. Further, there are no BIOS > options relating to how the SATA subsystem should be treated, as these > kinds of tweaks to the BIOS often help system stability in our > experience. > > Seeing as these are newly-introduced as of Mar 2008, there are no BIOS > upgrades available. We have contacted Panasonic engineers, but are > still waiting on a response--though it is unlikely they will be able to > comment at all. Also, other Panasonic Core2Duo's, like the CF-19F--- > have thus far been fine with ACPI. > > ---------------------------------------------------------------------- > > I have uploaded what I believe to be all the pertinent data for anyone > who is interested in taking a look. The file names should be pretty > self-explanatory: > > http://downloads.emperorlinux.com/research/cf-30 > > The "MODE1" boot has the following kernel options: > > acpi_osi=Linux noapic nolapic pci=nommconf > > The "MODE2" boot is just a normal boot, without any fancy options. What > we're really looking for is any advice on why we might be getting some > of these kernel errors in dmesg. The DSDT I'm using is included in both > directories (it's the same in both places), but the only change I made > was: > > OperationRegion (IGDM, SystemMemory, \ASLB, 0x2000) > > ...to... > > OperationRegion (IGDM, SystemMemory, ASLB, 0x2000) This is a BIOS bug that we can't fix in kernel. I guess there must be two variables named ASLB in your DSDT. Please refer to: http://bugzilla.kernel.org/show_bug.cgi?id=10119 http://bugzilla.kernel.org/show_bug.cgi?id=9915 thanks, rui -- 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
