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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: [drlvm] current tests - can we focus on getting everything to pass?
Date Thu, 28 Sep 2006 12:45:26 GMT
On the 0x1F2 day of Apache Harmony Elena Semukhina wrote:
> On 28 Sep 2006 18:25:58 +0700, Egor Pasko <egor.pasko@gmail.com> wrote:
> >
> > On the 0x1F2 day of Apache Harmony Alexey Varlamov wrote:
> > > 28 Sep 2006 17:50:57 +0700, Egor Pasko <egor.pasko@gmail.com>:
> > > > On the 0x1F2 day of Apache Harmony Elena Semukhina wrote:
> > > > > On 9/28/06, Alexey Varlamov <alexey.v.varlamov@gmail.com> wrote:
> > > > > >
> > > > > > Apparently there are some threading issues, which affect almost
> > all
> > > > > > suites (except may be smoke tests). I observe quite many sporadic
> > > > > > crashes in c-unit, kernel and classlib tests. For example, the
> > > > > > following assert fails often:
> > > > > > drlvm/vm/thread/src/thread_native_suspend.c:351:
> > > > > > hythread_set_safepoint_callback: Assertion `status == (0)' failed.
> > > > > > Another incomprehensible error is described in HARMONY-1614.
> > > > > > These defects most probably point to races in TM or VM internals,
> > and
> > > > > > are hard enough to insulate and root-cause.
> > > > > >
> > > > > > Aside from that, there are "known" stable failures, like kernel
> > > > > > ThreadTest and ClassLoaderTest, or classlib's
> > > > >
> > > > >
> > > > > ThreadTest is a kind of "always failing test" unfortunately. Now
its
> > failure
> > > > > is related to launcher related issue mentioned in another thread
as
> > well as
> > > > > the HARMONY-1537 issue. All these issues are fixed with HARMONY-1582
> > patch.
> > > > > On the other hand, HARMONY-1582 reports that ThreadTest fails
> > showing up new
> > > > > problems possibly related to H-1519 patch. So ThreadTest is very
> > helpful in
> > > > > catching regressions and should be paid a special attention to each
> > time it
> > > > > fails :)
> > > > >
> > > > > As for general statistics of kernel test failures, ThreadTest fails
> > now on
> > > > > all platforms in all modes (jet, opt, int) and ClassLoaderTest and
> > > > > ClassAnnotationTest fail on opt (win, linux), which is under Egor's
> > > > > investigation.
> > > >
> > > > ClassLoaderTest, to be precise..
> > > > ClassAnnotatationsTest passes for me on linux
> > >
> > > It crashes sometimes (not very often) on OPT with the same trace as
> > > ClassLoaderTest which actually tells nothing...
> >
> > hmm.. ten times in a row it passed for me. If you reproduced the
> > failure with memopt OFF, that would be valuable. If you cannot
> > reproduce with memopt OFF, knowing that would be valuable too :)
> 
> 
> With memopt OFF, both tests pass on both linux and windows.

that makes me more optimistic :) thanks!

-- 
Egor Pasko, Intel Managed Runtime Division


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