On Wed, 18 Jun 2008, Thomas Gleixner wrote: > On Wed, 18 Jun 2008, Rafael J. Wysocki wrote: > > On Wednesday, 18 of June 2008, Rafael J. Wysocki wrote: > > > On Tuesday, 17 of June 2008, Rafael J. Wysocki wrote: > > > > On Tuesday, 17 of June 2008, Thomas Gleixner wrote: > > > > > On Tue, 17 Jun 2008, Rafael J. Wysocki wrote: > > > > > > > > > > > > BTW, with the C1E patches reverted I don't get the > > > > > > WARNING: at /home/rafael/src/linux-next/kernel/smp.c:215 smp_call_function_single+0x3d/0xa2 > > > > > > in the log. Thomas? > > > > > > > > > > Yeah, my bad. Fix below. > > > > > > > > Thanks, it eliminates the WARNING, but still the box doesn't work with > > > > the "x86: add C1E aware idle function" patch applied, even with 'highres=off'. > > > > > > > > The main symptom is that CPU loads are computed incorrectly (I got X using 126% > > > > of CPU time from 'top', for example). Apart from this, some processes (like > > > > gkrellm) seem to be 'frozen' and only change their state in 'jumps', as though > > > > they only got CPU from time to time at random. > > > > > > > > Reverting the above-mentioned patch fixes those problems. > > > > > > Ah. If your fix is replaced with the appended one, the system happily works > > > with C1E and highres. > > > > Scratch that. The symptoms appeared later this time, that's all. I've just got > > b43 consuming 90+ % of the CPU time. :-( > > I would have been pretty surprised if it had helped :) > > Does the box boot when you disable the local apic timer on the kernel > command line with the patch applied ? > > Also does forcing hpet change anything ? I just checked that the original c1e series and the affected code in tip are not different. IIRC you confirmed that the C1E patches would work on your box. So I wonder what else got changed which causes these problems. Thanks, tglx -- 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