[squeak-dev] Re: Cog on linux

Frank Shearar frank.shearar at angband.za.org
Wed Jul 14 12:20:08 UTC 2010


On 2010/07/13 23:04, Levente Uzonyi wrote:
> On Tue, 13 Jul 2010, Rob Withers wrote:
>
>> Thanks Levente. Unfortunately it did not work:
>>
>> ./lib/squeak/3.9-7/squeak: /lib/libc.so.6: version `GLIBC_2.11' not
>> found (required by ./lib/squeak/3.9-7/squeak)
>
> Seems like you have to build it yourself. Fortunately it's very easy,
> since Eliot commits the generated sources to the svn repo. So you can
> build a CogVM/StackVM without VMMaker. Here is how:
>
> "How to build the Cog Croquet VM on Unix
> -------------------------------
> 1. Install the tools (gcc, X11-devel, etc (e.g. libpng, libX11 & libxt
> source))
> 2. Check out the following sources from svn (if you haven't already - if
> you're
> reading this in unixbuild its likely you've already got the sources)
> svn co http://www.squeakvm.org/svn/squeak/branches/Cog/platforms
> svn co http://www.squeakvm.org/svn/squeak/branches/Cog/src
> svn co http://www.squeakvm.org/svn/squeak/branches/Cog/unixbuild
> 3. Open a shell, cd into the unixbuild/bld directory and execute
> ../../platforms/unix/config/configure CFLAGS="-g -O2 -msse2
> -D_GNU_SOURCE -DNDEBUG -DITIMER_HEARTBEAT=1 -DNO_VM_PROFILE=1
> -DCOGMTVM=0" LIBS=-lpthread
> make install prefix=WhereYouWantTheVmToGo
> 4. At the end of it you'll get a new VM in the path provided via -prefix"

Are there any additional requirements like gcc version, for instance?

I ask because I get errors on the above instructions, on FreeBSD 6.4, 
running gcc 3.4.6. I can attach configure's output and whatnot, if 
you're interested.

frank

> Levente
>
>>
>> Rob
>>
>>
>>
>> ________________________________
>> From: Levente Uzonyi <leves at elte.hu>
>> To: The general-purpose Squeak developers list
>> <squeak-dev at lists.squeakfoundation.org>
>> Sent: Tue, July 13, 2010 3:21:43 PM
>> Subject: Re: Cog on linux (was: Re: [squeak-dev] Re: UI lockup in
>> Squeak 4.1)
>>
>> On Tue, 13 Jul 2010, Rob Withers wrote:
>>
>>> --------------------------------------------------
>>> From: "Levente Uzonyi" <leves at elte.hu>
>>> Sent: Tuesday, July 13, 2010 12:46 PM
>>> To: "The general-purpose Squeak developers list"
>>> <squeak-dev at lists.squeakfoundation.org>
>>> Subject: Cog on linux (was: Re: [squeak-dev] Re: UI lockup in Squeak
>>> 4.1)
>>>
>>>> On Tue, 13 Jul 2010, Rob Withers wrote:
>>>>
>>>>>
>>>>> --------------------------------------------------
>>>>> From: "Andreas Raab" <andreas.raab at gmx.de>
>>>>> Sent: Tuesday, July 13, 2010 11:29 AM
>>>>> To: "The general-purpose Squeak developers list"
>>>>> <squeak-dev at lists.squeakfoundation.org>
>>>>> Subject: [squeak-dev] Re: UI lockup in Squeak 4.1
>>>>>
>>>>>> On 7/13/2010 6:39 AM, Rob Withers wrote:
>>>>>>> The low-space watcher is running, at least before the problem
>>>>>>> starts. I
>>>>>>> do eventually run out of memory, but the uninterruptable state
>>>>>>> happens
>>>>>>> before this.
>>>>>>
>>>>>> In which case you want to do the following:
>>>>>> * Launch your app and wait until it's in the "growing state"
>>>>>> * Hit F2 and from the VM's preference menu choose "Debug" and then
>>>>>> "Print all processes"
>>>>>>
>>>>>> This will dump a list of all the call stacks of all processes. One
>>>>>> of them is the culprit consuming memory and you'll probably be
>>>>>> able to tell quickly from just looking at it (if not, you can
>>>>>> email the output here but it typically takes a domain expert to
>>>>>> understand what's going wrong).
>>>>>>
>>>>>
>>>>> Thanks for this pointer, Andreas.
>>>>>
>>>>> This time it was a Cog VM which spasmed, which I use for my client
>>>>> (Squeak 4.1 for server for use with linux vm - I have no ability to
>>>>> compile a linux Cog vm: would love if someone posted one that could
>>>>> be launched headless for my webhost).
>>>>
>>>> Cog works, but i think you're trying to use the -headless switch,
>>>> which (is deprecated) and tells the vm to use the X11 display, but
>>>> with no window. Servers usually don't have X11, so it won't work.
>>>> You better use -vm-display-null (and -vm-sound-null). Try squeak
>>>> --help for further useful options (like tuning Cog).
>>>>
>>>
>>> I am trying to use the -headless switch. Good to know it is
>>> deprecated. So you happen to have a Cog for linux binary (version 17
>>> - 20), which I could use?
>>
>> I have one, but I'm not sure it will work on your server. You can find
>> it here: http://leves.web.elte.hu/squeak/cog17.tar.gz . It's built on
>> ubuntu 10.04 and is optimized for core2.
>>
>>
>> Levente
>>
>>>
>>> Thanks,
>>> Rob
>>>
>>>>
>>>> Levente
>>>>
>>>>>
>>>>> It started running at 100% and I did your F2 -> Debug Options ->
>>>>> Print all processes. It started dumping a LOT to the Debug Console,
>>>>> then it froze, still at 100%, but no increase in memory now and it
>>>>> went (Not Responding) and greyed out the window.
>>>>>
>>>>> Luckily, I was able to see enough of the stack that was causing
>>>>> problems. It is infinitely looping in this method:
>>>>>
>>>>> LanguageEnvironment class>>#localeID: localeID
>>>>> ^self knownEnvironments at: localeID ifAbsent: [self localeID:
>>>>> (LocaleID isoLanguage: 'en')]
>>>>>
>>>>> This has nothing to do with my code, except I must be calling
>>>>> something that enters this loop. It happens in both Cog (Windows)
>>>>> and Squeak4.1 (Linux <headless> and Windows).
>>>>>
>>>>> Not sure how to fix this.
>>>>>
>>>>> Rob
>>>>>
>>>>>> Cheers,
>>>>>> - Andreas
>>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>
>
>




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