Messages in this thread | | | Date | Mon, 14 Apr 2008 14:51:50 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [Bug #10369] The never ending BEEEEP/__smp_call_function_mask with 2.6.25-rc7 |
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On Sun, 13 Apr 2008, Chr wrote: > On Sunday 13 April 2008 22:02:08 Thomas Gleixner wrote: > > > > The problem still persists and I have no clue at all what's the root > > cause. The symptom is a stuck local apic timer interrupt as we have > > seen it on those AMD X2 systems with C1E enabled. This box does not > > advertise C1E, but the behaviour is the same. > > > > Christian, it would be great if you could bisect the git tree so we > > get an idea which patch is exposing this problem. My feeling is that > > the problem itself is there with 2.6.24 as well but not > > exposed. That's just a gut feeling and I could be wrong as usual. > > Ok! The biggest problem however is: I can only run bisects on weekends. :-( > And even then: it takes up to 2 hours until the timer gets stuck... and the > system freezes...
Oh well, that's a bad idea then.
> But, on the other hand... does ANYBODY know a way how I can see if the > apictimer drifts/(getting slower and slower)?
Well, it does not drift. It's stopped by some magic, but I do not understand why we do not see that behaviour in 2.6.24. The code logic in this area is really unchanged.
Can you disable CPUIDLE for a test please ?
Thanks, tglx
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