2011/12/1 Stéphane Ducasse <[email protected]>: > > On Dec 1, 2011, at 10:16 PM, Nicolas Cellier wrote: > >> I only had a look in Pharo 1.4 >> It sounds like a subtle bug related to introduction of >> SubclassResponsibility in Pharo. >> If you revert Object>>subclassResponsibility to its previous version >> you get a more reliable error. > > What would be your hypothesis? Because I'm stuck. > error: is also signaling an exception > > error: aString > "Throw a generic Error exception." > > ^Error new signal: aString > > So I wonder why one is more robust. >
I'm stuck too, and the Debugger is currently unusable in Pharo 1.4 (I just can't step over...) I give up. I only had time for an easy task... Nicolas > > >> >> Nicolas >> >> 2011/12/1 Larry White <[email protected]>: >>> I was able to replicate with a clean version of the Seaside 3.0.6 One Click >>> download by executing Stream #basicNew in a workspace. It did work a couple >>> times ok using "do it" from the menu, but seems to lock pretty regularly >>> using print or explore keyboard shortcuts. >>> >>> thanks. >>> >>> >>> >>> On Thu, Dec 1, 2011 at 1:33 PM, Larry White <[email protected]> wrote: >>>> >>>> I can do it with control-P (print) in the Workspace. I just did it with a >>>> single try, though sometimes it takes more than one. Speed isn't an issue, >>>> I can wait 10 minutes and see it happen sometimes.. >>>> >>>> I have to take a break now, but when I get a few minutes, I'll try again >>>> with a fresh install of the latest Seaside one-click for the mac. >>>> >>>> thanks. >>>> >>>> On Thu, Dec 1, 2011 at 1:20 PM, Schwab,Wilhelm K <[email protected]> >>>> wrote: >>>>> >>>>> I just tried to hang 1.1.1 (using a traditional linux vm) and a 1.4 image >>>>> with a Cog vm (also linux). No problems, but I do have questions that >>>>> might >>>>> be important to others trying to reproduce it: >>>>> >>>>> (1) how fast do you do this? >>>>> (2) do you inspect the instances, or just let them get gc'd immediately? >>>>> >>>>> Bill >>>>> >>>>> >>>>> >>>>> ________________________________ >>>>> From: [email protected] >>>>> [[email protected]] on behalf of Larry White >>>>> [[email protected]] >>>>> Sent: Thursday, December 01, 2011 12:56 PM >>>>> To: [email protected] >>>>> Subject: Re: [Pharo-project] VM freezes sending #basicNew to Stream >>>>> subclass >>>>> >>>>> I can do it with >>>>> >>>>> Stream basicNew. >>>>> >>>>> but I have to invoke it twice. The first time it works ok. >>>>> >>>>> >>>>> >>>>> On Thu, Dec 1, 2011 at 12:48 PM, Stéphane Ducasse >>>>> <[email protected]> wrote: >>>>>> >>>>>> gary >>>>>> >>>>>> can you post the smallest code that makes the system hangs? >>>>>> >>>>>> Stef >>>>>> >>>>>> On Dec 1, 2011, at 4:48 PM, Larry White wrote: >>>>>> >>>>>>> Hi, >>>>>>> >>>>>>> Throwing this out there because it may be a bug. >>>>>>> >>>>>>> I'm running the Seaside one-click install on OS X Lion. >>>>>>> Pharo1.3 >>>>>>> Latest update: #13302 >>>>>>> >>>>>>> I can reliably cause my VM to freeze up and need to Force-Quit it from >>>>>>> the OS. >>>>>>> >>>>>>> I'm implementing (copying) the probability logic from the blue book. >>>>>>> When I tried to create an instance of the Binomial class, the system >>>>>>> hung. I >>>>>>> can replicate the problem by sending the message #basicNew to >>>>>>> ProbabilityDistribution. ProbabilityDistribution is a direct subclass of >>>>>>> Stream and I haven't overridden or modified #basicNew. >>>>>>> >>>>>>> What's happening is that it fails in the BlockClosure [anObject doit], >>>>>>> but only when I instantiate a member of this particular class >>>>>>> hierarchy. In >>>>>>> the probability classes, a #doIt in a Workspace hits the line "self >>>>>>> suspend" >>>>>>> in the #terminate method of Process and the VM hangs there. >>>>>>> >>>>>>> I believe they had ProbabilityDistribution subclass from Stream >>>>>>> because sampling from a distribution is like reading from a Stream, but >>>>>>> I >>>>>>> don't think any there's any actual shared code, so I switched the >>>>>>> superclass >>>>>>> of ProbabilityDistribution to Object and the code works fine now. >>>>>>> >>>>>>> Thanks. >>>>>>> >>>>>>> Larry >>>>>> >>>>>> >>>>> >>>> >>> >> > >
