[Vm-dev] Trying to make systemTracer write a CogImage

[Eliot Miranda]

On Wed, Apr 25, 2012 at 4:10 AM, Guillermo Polito <guillermopolito at gmail.com
> wrote:

>
>
>
> On Wed, Apr 25, 2012 at 1:07 PM, Guillermo Polito <
> guillermopolito at gmail.com> wrote:
>
>>
>>
>> On Wed, Apr 25, 2012 at 12:04 PM, Guillermo Polito <
>> guillermopolito at gmail.com> wrote:
>>
>>> Ok, I've managed to get the cause of the process failing :).
>>>
>>> I'm having a primitive failure in
>>>
>>> VirtualMachine class>setGCBiasToGrowGCLimit: 2002796048: a(n)
>>> VirtualMachine class
>>>
>>> when trying to startup the vm, and therefore the ui process is never set
>>> up :/.  But I do not know why it should be failing :(.  I'm still debugging.
>>>
>>
>> And this is because I have to put in 0 the index of the cache in named
>> primitives literal :).
>>
>> Still not working, but better than yesterday :).
>>
>>
> And now it works! :D  I was setting wrongly the endiannes flag in the vm
> header, and the floats were not well read.
>
> Next step, polish and publish new SystemTracer :).
>

Brilliant!  Well done for pushing through.  Now you're the expert!!


>
> Guille
>
>
>>
>>
>>>
>>> Guille
>>>
>>> On Tue, Apr 24, 2012 at 11:08 PM, Eliot Miranda <eliot.miranda at gmail.com
>>> > wrote:
>>>
>>>>
>>>>
>>>>
>>>> On Tue, Apr 24, 2012 at 9:46 AM, Guillermo Polito <
>>>> guillermopolito at gmail.com> wrote:
>>>>
>>>>>
>>>>> Ok, I'm writing the image header as with the extra words.  But my
>>>>> image is kind of not living.  It seems the Display is not waking up.
>>>>>
>>>>> When I open my new image with a cog vm, I get an image that does not
>>>>> break, but comes up with a window in black. I sent a SIGUSR1 to the vm
>>>>> Process and get the following.
>>>>>
>>>>> All Smalltalk process stacks (active first):
>>>>> Process 0x776c9498 priority 10
>>>>> 0xbfc2fbf0 M ProcessorScheduler class>idleProcess 2003034484: a(n)
>>>>> ProcessorScheduler class
>>>>> 2006384288 s [] in ProcessorScheduler class>startUp
>>>>> 2008868524 s [] in BlockClosure>newProcess
>>>>>
>>>>> Process 0x77636ce8 priority 60
>>>>> 2003063132 s SmalltalkImage>lowSpaceWatcher
>>>>> 2003240984 s [] in SmalltalkImage>installLowSpaceWatcher
>>>>> 2003695368 s [] in BlockClosure>newProcess
>>>>>
>>>>> Process 0x77638668 priority 50
>>>>> 2003074716 s WeakArray class>finalizationProcess
>>>>> 2003263900 s [] in WeakArray class>restartFinalizationProcess
>>>>> 2003718900 s [] in BlockClosure>newProcess
>>>>>
>>>>> Process 0x779860e4 priority 80
>>>>> 2009271856 s Delay class>handleTimerEvent
>>>>> 2010697732 s Delay class>runTimerEventLoop
>>>>> 2011549844 s [] in Delay class>startTimerEventLoop
>>>>> 2012016284 s [] in BlockClosure>newProcess
>>>>>
>>>>> Process 0x78809050 priority 40
>>>>> 0xbfc2eac4 M [] in Semaphore>critical: 2006475044: a(n) Semaphore
>>>>> 0xbfc2eae4 M BlockClosure>ensure: 2021697252: a(n) BlockClosure
>>>>> 0xbfc2eb04 M Semaphore>critical: 2006475044: a(n) Semaphore
>>>>> 0xbfc2eb28 I Delay>schedule 2021697000: a(n) Delay
>>>>> 0xbfc2eb48 I Delay>wait 2021697000: a(n) Delay
>>>>> 0xbfc2eb70 I WorldState>interCyclePause: 2004530692: a(n) WorldState
>>>>> 0xbfc2eb94 I WorldState>doOneCycleFor: 2004530692: a(n) WorldState
>>>>> 0xbfc2ebb8 I PasteUpMorph>doOneCycle 2003571264: a(n) PasteUpMorph
>>>>> 0xbfc2ebd0 M [] in MorphicUIManager>spawnNewProcess 2006644196: a(n)
>>>>> MorphicUIManager
>>>>> 0xbfc2ebf0 I [] in BlockClosure>newProcess 2021691252: a(n)
>>>>> BlockClosure
>>>>>
>>>>> Most recent primitives
>>>>> relinquishProcessorForMicroseconds:
>>>>> relinquishProcessorForMicroseconds:
>>>>> ...
>>>>> (more relinquishProcessorForMicroseconds:)
>>>>>
>>>>>
>>>>> Now, looking at the primitives called, It seems the idle process is
>>>>> living but not giving any place to the other processes...  any ideas?  Does
>>>>> cog do something different with processes at system startup?
>>>>>
>>>>
>>>> Of course not :)  It's a Squeak VM with a JIT.
>>>>
>>>>
>>>>
>>>>>
>>>>> Thanks!
>>>>> Guille
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> best,
>>>> Eliot
>>>>
>>>>
>>>>
>>>
>>
>
>


-- 
best,
Eliot
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