Messages in this thread | | | Date | Fri, 17 Jun 2005 13:18:22 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00 |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > There doesn't seem to be any actual lockups, just messages. I will try > > disabling the above when I get home this evening. Can't get to the > > system right now. > > i tweaked the softlockup detector in the last patch a bit (to fix > false positives under very high loads), might have broken it on SMP.
yeah - found a bug that could explain the symptoms on your system. Called softlockup_tick() from the global timer interrupt, instead of the per-CPU timer interrupt. So on SMP the other CPUs would not see any softlockup ticks at all, and would incorrectly report soft lockups. This bug is fixed in the -48-36 patch i just uploaded.
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