Messages in this thread | | | Date | Sat, 13 May 2006 11:39:41 -0400 (EDT) | From | Steven Rostedt <> | Subject | Re: rt20 scheduling latency testcase and failure data |
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On Sat, 13 May 2006, Mike Galbraith wrote:
> On Sat, 2006-05-13 at 11:20 +0200, Florian Paul Schmidt wrote: > > > P.S.: I ran the test a few [20 or so] times and didn't get any failures > > of the sort you see. Even with a 1ms period: > > Something odd happened here... the first time I booted rt21, I could > reproduce the problem quite regularly. Since reboot though, poof. > > Elves and Gremlins. >
Careful, rt21 has a bug slipped in that might have funny results on SMP machines:
+ if (!cpus_equal(current->cpus_allowed, irq_affinity[irq])); + set_cpus_allowed(current, irq_affinity[irq]);
John (although he later fixed it) added a ; after the if. But the fix is not yet in Ingo's patch.
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