Well, it seems that I only need noapic in my kernel options. Also I guess this is a motherboard or BIOS bug right? Thanks in advance. On Monday 23 of April 2012 15:18:48 Panagiotis Papadakos wrote: > Hello. > > I have been using a cr21/z laptop which probably has > acpi related problems that introduce latency. I noticed > it because a recent update in my Ubuntu precise > makes my system's clock stay behind, and freezes > my laptop when there are no mouse or keyboard actions. > > Somehow it looks related to > https://bugzilla.kernel.org/show_bug.cgi?id=20172 > > If I boot my kernel with noapictimer clocksource=jiffies irqpoll > options the system reacts to my actions instantly. It is the first > time that I have exprerience lag free reactions from my system. > Unfortunately there are spikes of 100% CPU usage, due to irq polling I > assume, which makes my system less power efficient. > > Is there any case that we can somehow fix this problem? > > I am using latest git kernel. The same problem also exists > in current Ubuntu precise 3.2 kernel. > > Thank you in advance. > > Panagiotis Papadakos -- 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
