[Crash (Un)Reproducibility] [Was: Re: [ANN] 7061 = Squeak 3.9 final]

Milan Zimmermann milan.zimmermann at sympatico.ca
Tue Sep 26 00:13:49 UTC 2006


On 2006 September 25 17:26, Giovanni Corriga wrote:
> Il giorno lun, 25/09/2006 alle 13.42 -0700, Brad Fuller ha scritto:
> > stephane ducasse wrote:
<<snip>>
> >
> > The code is in the mantis defect that is 100% reproducible on my PC. I
> > think it's easy to duplicate or make other PCs crash.
>
> I can reproduce it on my system, (Fedora Core 5, 3.9-7 vm, 3.8 image).

Guys,

Could you paste the exact output of "squeak -version"? - The reason I am 
saying it is that this _does_ work on my SuSE 9.3. I think there are multiple 
3.9-7 VMs, and we already saw significant performance difference between 3.9 
VM version built on RedHat (i think) and Ian's version (on another thread 
this week named something like Squeak is slooow):

My VM version:
$ squeak -version
3.9-7 #5 Mon Apr 24 20:07:28 PDT 2006 gcc 3.3.5
Squeak3.9alpha of 4 July 2005 [latest update: #7021]
Linux vps.piumarta.com 2.4.20-021stab028.18.777-enterprise #1 SMP Wed Sep 14 
19:34:46 MSD 2005 i686 GNU/Linux
default plugin location: /usr/local/lib/squeak/3.9-7/*.so

| a b |
 a := FloatArray new: (16 * 1024*1024).
 b := FloatArray new: (16 * 1024*1024).
 [a += b] timeToRun. "runs OK in 270 ms"

So it may be completely reproducible on one system, but not all - I have no 
idea, but maybe the exact VM version will give some clue,

Milan

>
> > > So we can stop 3.9 and postpone it but
> > > I'm pretty sure it will not help.
> >
> > I think what you are saying is that 3.9 should be pushed forward because
> > there are few people to look at this problem. If this is the case, a
> > couple of comments to that:
> >
> > * Tim's been assigned the defect.
> > * John said he'd look at the Mac version of it.
> > * what is the acceptance criteria for releasing a major version?
> >
> > We don't know when Tim and John will be looking at the problem. But,
> > certainly a crash should be enough to stop and consider the release. No?
>
> How common is this single bug? Can't we just add a remark in a "known
> problems" section, and say it will be fixed as soon as possible?
>
> 	Giovanni



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