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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: [drlvm] stress.Mix problems -- should it prevent committing patches?
Date Tue, 09 Jan 2007 11:27:33 GMT
On the 0x259 day of Apache Harmony Elena Semukhina wrote:
> It was me who removed stress.Mix from the exclude lists together with some
> more tests because all they passed for me even when running many times on
> Windows 2003, SUSE9 linux ia32, and SUSE9 linux em64t. It was at the end of
> November.
> 
> CC started failing intermittently on stress.Mix (SUSE9, em64t) on December,
> 18 and was excluded for that platform (HARMONY-2772).
> 
> stress.Mix still passes for me now on SUSE9 linux ia32 and em64t (both are
> 2xXeon x64 machines) while megaSpawn crashes with Segmentation fault on
> em64t and hangs on ia32 after printing a lot of messages like the following:
> java.lang.OutOfMemoryError: Failed to create new thread

Good test then.. Thanks, Weldon!

> Thanks,
> Elena
> 
> On 1/9/07, Weldon Washburn <weldonwjw@gmail.com> wrote:
> >
> > On 1/8/07, Geir Magnusson Jr. <geir@pobox.com> wrote:
> > >
> > >
> > > On Jan 8, 2007, at 1:20 PM, Weldon Washburn wrote:
> > >
> > > > On 1/8/07, Rana Dasgupta <rdasgupt@gmail.com> wrote:
> > > >>
> > > >> On 1/7/07, Geir Magnusson Jr. <geir@pobox.com> wrote:
> > > >> >
> > > >> > >What is in the backlog?
> > > >> >
> > > >> > >I was testing on em64t dual core, and it failed there too.
> > > >>
> > > >>
> > > >> Which one failed in 64 bit mode? The basic stress.Mix or Weldon's
> > > >> MegaSpawn?
> > > >> And did it hang, or run out of memory? Running out of memory on
> > > >> these 64
> > > >> bit
> > > >> systems is not easy even under the conditions of this test.
> > > >>
> > > >> >I think we broke something basic.  By just ignoring it and
> > > >> continuing
> > > >> > >with commits that are related, it seems like we're going
going
> > > >> to get
> > > >> > >in deeper trouble...
> > > >>
> > > >>
> > > >> I am a little confused too. The stress.Mix test can randomly land
> > > >> up doing
> > > >> unbounded thread creation( as in Weldon's repro case )...and I
> > > >> would think
> > > >> that it is not unreasonable to fail in such a case. The RI fails
> > > >> too. But
> > > >> I
> > > >> don't understand how it never failed before.
> > > >>
> > > >>
> > > > I attempted to determine if there ever was an old svn revision that
> > > > would
> > > > pass stress.Mix test on my rhel 2-way SMP box.  Unfortunately the
> > > > unified
> > > > classlib/vm build changed the how one gets an old revision from the
> > > > repository.  I don't know if its worth trying to resurect an old svn
> > > > revision.  I am hoping someone will confirm if stress.Mix ever ran
> > > > successfully on 2-way and 4-way boxes.  This seems way easier than
> > > > trying to
> > > > reconstruct old build.xml files.
> > >
> > > Huh?
> > >
> > > Why do you think you need to reconstruct anything?
> >
> >
> > Its a moot point.  Naveen got the answers for us already.
> >
> > geir
> > >
> > >
> >
> >
> > --
> > Weldon Washburn
> > Intel Enterprise Solutions Software Division
> >
> >
> 
> 
> -- 
> Thanks,
> Elena

-- 
Egor Pasko


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