On Wed, Aug 3, 2011 at 12:22 PM, Andrew Lutomirski <luto@xxxxxxx> wrote: > On Wed, Aug 3, 2011 at 12:15 PM, Len Brown <lenb@xxxxxxxxxx> wrote: >> On Wed, 3 Aug 2011, Andy Lutomirski wrote: >> >>> I have a Sandy Bridge machine with an Intel BIOS that enables >>> monitor/mwait on all but the boot CPU. With this patch, intel_idle >>> works. >> >> 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? --Andy > > (Enabling monitor/mwait on some but not all CPUs is obnoxious, too. I > think it's just dumb luck that Linux notices at all and doesn't > crash.) > > --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