> > I'm told by the hardware guys that BM_STS is _not_ always > > a NOP, and so we're not supposed to simply ignore it on C3 -- > > though it should be extremely rare that we see it set. > > If it is ever set, it should go on and off depending on > > activity on some latency sensitive device, like out on the LPC. > > It may be possible for the BIOS writer to configure the chipset > > so that BM_STS is enabled always, presumably to accomodate > > some latency sensitve device -- or maybe by mistake. > > On some hardware we've seen BM_STS be enabled approximately 50% of the > time without any obvious cause. Assuming it is modern hardware, please get the acpidump and lspci -vv output from that harware to this bug report: https://bugzilla.kernel.org/show_bug.cgi?id=15886 thanks, -Len Brown, Intel Open Source Technology Center -- 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