On Tue, May 18, 2010 at 10:32:13AM +0200, Bastian Blank wrote:
> On Tue, May 18, 2010 at 03:47:58AM +0300, Faidon Liambotis wrote:
> > It seems that on consecutive runs of the test case[1] in question, it aborts
> > at different points each time and even succeeds in one in five runs or so.
> > Moreover, while the combined assert() condition fails, separate assert() 
> > calls
> > for each of the condition succeed while their combination still fail(!)
> 
> Does tokyocabinet use multi-threading or some other means of
> concurrency?

Yes it does heavily in the test-suite.

> For me this looks like race conditions.

I agree with this.

> They may live in the glibc, as there were some fixes in this area
> lately.

The fact that no other architecture has ever shown the same failures
indeed points towards multithreading issues on 390 in the kernel or
glibc.

-- 
·O·  Pierre Habouzit
··O                                                madco...@debian.org
OOO                                                http://www.madism.org


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