On Wed, Aug 3, 2011 at 3:17 PM, Len Brown <lenb@xxxxxxxxxx> wrote: >> >> What machine has this BIOS bug, and are you running >> >> the latest version of the BIOS? >> > >> > Intel DQ67SW, version SWQ6710H.86A.0051.2011.0413.1154. This is not >> > quite up-to-date -- I'll test a newer BIOS. >> >> SWQ6710H.86A.0053.2011.0615.1535 has the same problem. It fixed ASPM, though :) >> >> Should I redo the patch with a printk to warn about the firmware bug? > > I would hope that a patch that _only_ prints [Firmware bug] > should be enough. This isn't the kind of workaround > that we should really have to carry in the kernel. > > This is still a very new platform, and my guess is that > they are actively updating the BIOS as we speak. > I'll see if I can figure out who to talk to > in order to make sure of that:-) I can add a strange data point: with TXT enabled in BIOS, fast strings are disabled (on all CPUs, I think) and monitor/mwait is disabled on the boot CPU. With TXT disabled, both features are enabled. I'll see if my laptop does the same thing. --Andy -- 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
