@xamarin, We really don't want to rewrite the whole app in java, so please give us some assistance. Is somebody on this problem? Cheers, -- henon
Dipl. Ing. Meinrad Recheis eqqon GmbH Friedmanngasse 32/20 1160 Wien, Österreich Tel.: +43 (0) 680-31-800-37 Fax: +43 (0) 1-25-330-339-356 meinrad.rech...@eqqon.com Firma: eqqon GmbH Rechtsform: Gesellschaft mit beschränkter Haftung Firmensitz: Wien Firmenbuchnummer: FN 327919 i Firmenbuchgericht: Handelsgericht Wien -- eqqon Disclaimer / Legal notice: http://www.eqqon.com/index.php/Disclaimer On 12.07.2012 16:51, henon wrote: > Hi folks, > I am working on an app that needs to do heavy work in the background. I use > RunOnGuiThread to update the UI with progress and results. The problem is, > that I am experiencing non-deterministic hangups. When hanging I pause the > debugger and I always see that the executing thread (mostly my code on the > GUI thread) hangs in some random method (like view.GetChildAt(i) or > view.LayoutParameters=) or sometimes also not in my code. The stacktrace of > the hanging thread always looks like this > > System.Threading.Monitor.TryEnter ... > System.Threading.Monitor.Enter ... > Java.Lang.Object.GetObject ... > Java.Lang.Object._GetObject > Java.Lang.Object.GetObject ... > ... > > and another thread is waiting in System.Threading.Waithandle.WaitOne but I > have no code location. > > This happens even though I got no locks in my code but the deadlock happens > more likely if I do some locking of my own. To run the background worker I > tried System.Threading.ThreadPool, System.Threading.Thread and also > AsyncTask. It seemed to hang slightly more often with AsyncTask. > > Because of the random nature of the deadlock and the absense of locks in my > code I suspect that the reason must be some synchronization in the > transition from c# to java and vice-versa. > > What do you think about that theory? Is there a way of proving/refuting > this? What can be done to eliminate such a deadlock? > > If you need more info, please tell me what exactly I should provide. > > Best regards, > -- henon > > -- > View this message in context: > http://mono-for-android.1047100.n5.nabble.com/Random-Deadlock-tp5710849.html > Sent from the Mono for Android mailing list archive at Nabble.com. > _______________________________________________ > Monodroid mailing list > Monodroid@lists.ximian.com > > UNSUBSCRIBE INFORMATION: > http://lists.ximian.com/mailman/listinfo/monodroid > _______________________________________________ Monodroid mailing list Monodroid@lists.ximian.com UNSUBSCRIBE INFORMATION: http://lists.ximian.com/mailman/listinfo/monodroid
