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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: Problems about the harmony
Date Thu, 29 Nov 2007 16:36:18 GMT
On the 0x39D day of Apache Harmony Gregory Shimansky wrote:
> Egor Pasko wrote:
> > On the 0x39D day of Apache Harmony Yang Paulex wrote:
> >>> 3.The most important thing is we can't debug our program, which is a
> >>>> magnificent and complex program, although you can debug a small
> >>> smoothly.
> >>
> >> Not sure what VM you were using, but I believe there are many guys here
> >> happy to help fixing the problems :).
> > probably, Junguo meant that debugging is very slow with DRLVM?
> > In fact, DRLVM should be slower when debugging because many tricky
> > JIT optimizations are turned off in this mode (for stability reasons).
> 
> There were two (two on Linux, one on all platforms) regressions in
> debugging code that could easily deadlock debugged process. These are
> HARMONY-1575 and HARMONY-5213. The 2nd one I fixed just an hour ago.
> 
> These two bugs happened after introducing additional synchronization
> (HARMONY-4862, revision 594177) to protect necessary data in
> multithreaded programs and generally improve debugging stability. But
> new synchronization code happened to have bugs and therefore caused
> deadlocks.
> 
> Now that known regressions are fixed I hope debugging quality is
> better and I would really like if Junguo tries it again. The revision
> with both bugs fixed is 599381.

wow! impressing! thanks, Gregory!

-- 
Egor Pasko


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