Messages in this thread | | | Date | Fri, 17 Jun 2005 10:33:51 -0500 | From | "K.R. Foley" <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00 |
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Ingo Molnar wrote: > * 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. > > Ingo >
-48-36 has been up and running for about 45 minutes now and everything seems much better. I held off because the soft lock ups didn't seem to manifest themselves right away.
thanks,
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