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From xiaoming gu <xiaoming...@gmail.com>
Subject Re: [drlvm][jitrino] write barrier was broken
Date Sat, 16 May 2009 15:25:50 GMT
Thanks for the helpful info, Simon. I'll look into it. -Xiaoming

On Sat, May 16, 2009 at 10:56 PM, Simon Zhou <simon.harmony@gmail.com>wrote:

> Xiaoming,
>
> I am sorry that maybe my previous guesswork is wrong.
> it is not caused by global_prop, because the issue still exists after I
> remove the global_prop in config file.
> but after I revert all the modification of this patch, VM runs pretty well,
> so it maybe caused by other modification in this patch but global_prop, or
> not just global_prop. I am not sure...
> Thanks for your help!
> Thanks
> Simon
> 2009/5/16 xiaoming gu <xiaoming.gu@gmail.com>
>
> > Hi, Simon. A workaround is to replace global_prop with early_prop in the
> > used execution mode configuration file. I'll take care of this bug these
> > days. Thanks.
> >
> > Xiaoming
> >
> > On Sat, May 16, 2009 at 5:04 PM, Simon Zhou <simon.harmony@gmail.com>
> > wrote:
> >
> > > I think I found the origin of this issue by binary searching the
> previous
> > > patches, I foud that it is broken since version 747844 (747843 is OK),
> so
> > > I am guessing the patch of 5826 breaks this.
> > >
> > > To replay the error, just add -XX:gc.generate_barrier=true to command
> > line
> > > when running a Java application.
> > > I added some of my guesswork in
> > > https://issues.apache.org/jira/browse/HARMONY-5826
> > >
> > > Xiaoming, Would you like to give me advice for this issue? Or is there
> > some
> > > workaroud for it? Thank you very much!
> > >
> > > Thanks
> > > Simon
> > >
> > > 2009/5/16 Simon Zhou <simon.harmony@gmail.com>
> > >
> > > > Hi All,
> > > >
> > > >   I am doing my GSoC2009 project of implementing weak reference in
> > > > Concurrent GC. I found that as long as the gc.generate_barrier=true
> is
> > > set,
> > > > VM will crash when it startups (int vm_init2() method). I was
> following
> > > this
> > > > issue these days but did not work out.
> > > >   This issue seem to come out after milestone8, so  I guess it could
> be
> > > > caused by some patches on Jitrino after M8.
> > > >    Is there anyone else being aware of that? Or could you please
> > provide
> > > > some information about which patch could cause it?
> > > >    Thank you very much!
> > > >
> > > > Thanks
> > > > Simon
> > > >
> > > > --
> > > > From : Simon.Zhou@PPI, Fudan University
> > > >
> > >
> > >
> > >
> > > --
> > > From : Simon.Zhou@PPI, Fudan University
> > >
> >
>
>
>
> --
> From : Simon.Zhou@PPI, Fudan University
>

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