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From "Alexey Varlamov" <alexey.v.varla...@gmail.com>
Subject Re: [drlvm] current tests - can we focus on getting everything to pass?
Date Thu, 28 Sep 2006 09:56:35 GMT
2006/9/28, Vladimir Ivanov <ivavladimir@gmail.com>:
> May be we start from failed test exclusion to run CC over these tests and
> will enable these tests one by one? Now, the CC is useless for drlvm due to
> "known" stable failures.

I'm afraid CC is useless for flickering failures as well.

>
>  Thanks, Vladimir
>
>
> 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
> > org.apache.harmony.archive.tests.java.util.jar.JarOutputStreamTest and
> > org.apache.harmony.luni.tests.java.lang.ThreadGroupTest. These are
> > good candidates to fix first - especially Thread related - maybe this
> > would help to get closer to more subtle defects.
> >
> >
> > 28 Sep 2006 14:47:27 +0700, Egor Pasko <egor.pasko@gmail.com>:
> > > On the 0x1F2 day of Apache Harmony Geir Magnusson, Jr. wrote:
> > > > Right now, we have lots of tests that are skipped in smoke tests, and
> > > > some that fail in kernel, and I believe that we're still failing the
> > > > classlib test suite.
> > > >
> > > > We should drive this to goodness and health.  How shall we start?  :)
> > >
> > > I am working on the ClassLoaderTest :)
> > > "memopt" optimization pass makes it fail, it even removes some
> > > array-bounds-checks (surprize, surprize), which looks like, ehm,
> > > unfair. For now I could not reduce the test to a small one. On small
> > > pieces of code "memopt" works less dangerously.
> > >
> > > Disabling "memopt" helps, but that would drop performance down. You
> > > can disable it temporarily if stability is very critical. Just edit
> > > the opt.emconf file (and server.emconf, etc.)
> > >
> > > --
> > > Egor Pasko, Intel Managed Runtime Division
> > >
> > >
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> > >
> >
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> >
>
>

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