On Tue, Aug 19, 2014 at 5:59 PM, Milian Wolff <m...@milianw.de> wrote: > On Tuesday 19 August 2014 14:23:26 Jan Včelák wrote: >> OK. Then it is likely that there is a bug in our software. > > <snip> > >> I run the test case several times without Valgrind with address sanitizer. >> But I didn't hit the problem. > > If you think it's a race, then the address sanitizer won't find it, I guess. > Rather, try the thread sanitizer. > > http://clang.llvm.org/docs/ThreadSanitizer.html > > Cheers ThreadSanitizer won't comprehend the fence instructions inserted by urcu. I believe even Helgrind won't, because these instructions do not imply any happens-before relation.
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