On Jul 1, 2011, at 1:58 PM, Roy Stogner wrote: > > On Fri, 1 Jul 2011, Derek Gaston wrote: > >> Yes.... periodic BCs have never worked with threading... they deadlock. > > The disgusting thing about threading bugs is that there's no such > thing as as "never worked". We do test one periodic BC example, and > it gets run with 2 threads at least 10 times a day, and I've never > seen it fail. > > Hmm... that's probably partly a Heisenbug caused by race conditions > being less likely in slow debug-mode compilations. Maybe I need to > add an opt-mode run to our tests; my own opt-mode tests are always > with one thread.
Interesting... we actually usually see the deadlock in debug mode ;-) >> We've just never got around to fixing it. Glad you tracked it down. > > Well, let's hope that that it is it. I'll ping you when there's a fix > in so you can test and see if there are any deadlocks still triggered > by your stuff. Cool - thanks! Derek ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Libmesh-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/libmesh-devel
