Squeak-dev March 2004

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179 participants
629 discussions

Squeak3.7a-nnnn image on unix?
by Peter William Lount 01 Apr '04

01 Apr '04

Hi, I'm wondering if it's possible to run a Squeak3.7a-5816 image with the 3.6g-2 Unix VM? (http://www-sor.inria.fr/~piumarta/squeak/)? When I try it a current squeak 3.7 image (plus some of my stuff): /usr/local/bin/squeak /squeak/Squeak3.7a-5816_20040330a.56.image or with a out of the box image: /usr/local/bin/squeak /squeak/Squeak3.7a-5657.image I get the following error: Segmentation fault 169947472 SystemDictionary>lowSpaceWatcher 169947852 [] in SystemDictionary>installLowSpaceWatcher 169947944 [] in BlockContext>newProcess The error seems to appear on the unix console just a moment before the squeak x-window opens. After reviewing the Smalltalk level source code it seems to install the lowSpaceWatcher but then crashes while executing it. No error log files are generated but a 1GB core dump file, squeak.core is created. For some reason Squeak is attempting to allocate a gigabyte or more of space! Maybe this is simply it's default of grabbing 1GB of memory maped space and some other error occurs that causes it to core dump, and thus it dumps it's entire virutal space. If I set memory lower it creates a smaller core dump file. There is 750MB of RAM available on the server with 1.8 GB of swap space freely available. The OS is FreeBSD 4.8. Are there any command line options that might solve this? I tried increasing the memory setting to 400m but this didn't help. (At 500m it fails to allocate memory for the heap). What is the latest image version that will work with the 3.6g-2 Unix VM? Why? What I really need is an image and vm that I can move between Unix and Windows freely to have easy development. My laptop computer where I do most of my development work is Windows. My production servers are Unix. Any ideas? Cheers, Peter ps. Has any progress been made on upgrading to a full BSD style sockets interface for squeak?

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Re: 3.7 moving to beta tomorrowish
by Bill Schwab 01 Apr '04

01 Apr '04

Ned, ====================== Anyone who sends UCS-2 (2 bytes per character) or UTF-16 over the wire is probably doing something wrong if most of the bytes are zero. ====================== Again, the device in question is quite old by computer standards, and was (arguably still is in some ways) ahead of its time, with a few staggering inefficiencies in places. ====================== UTF-8 is the preferred character encoding for this. If your characters are all in the Latin-1 set, you don't spend any extra bytes. ====================== Sounds great. ====================== You should look at Yoshiki's work. He adds new kinds of String and Character (as I recall); these carry their encoding with them. Since he's also concerned about translation and about other potential problems with Unicode and Asian languages (look up "Han Unification" for some pointers), these Strings (and Characters?) also can carry more information about desired rendering, language of origin, etc. But most of the Strings and Characters in the Squeak image should remain untouched. ====================== This is very encouraging, and suggests that Squeak will get this right. My reason for raising the concern is simply that I didn't want to back out of the _/:= hack too soon. Given Yoshiki's estimate of 3.8 or 4.0 for integration of his work, it seems wise to step back, let him give us proper back arrows, and then sort out what if anything remains to be done. If however, Squeak's unicode support was going to turn out to be bloating to images, it would find itself unused in many cases, and there would still be a need for a hack. Bill Wilhelm K. Schwab, Ph.D. University of Florida Department of Anesthesiology PO Box 100254 Gainesville, FL 32610-0254 Email: bills(a)anest4.anest.ufl.edu Tel: (352) 846-1285 FAX: (352) 392-7029

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resend of lost mail > Re: morphs and submorphs as class files
by Gary McGovern 01 Apr '04

01 Apr '04

This mail seems to have been lost from a couple of days ago with a couple of others.I hope they were lost and not moderated. >I made a bookmorph, i could save it file .morph no problem. But... >I wanted to save it as a class, with all its submorphs. I think I mentioned >this a while ago. > >So instead of filing in the morph file I could just type in the workspace >TestBook new openInWorld. > >It is a big problem the dirs. They move from object pattern. But still >there needs to be storage of objects, so the image doesn't bloat. > >What about it ? > >Just remembered, I'm surprised there hasn't been speech put into the tile >scripting. Any plans ? > >Thanks, >Gary > > > >

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VM for FreeBSD?
by Colin Putney 01 Apr '04

01 Apr '04

Hi folks, I'm trying to install Squeak on a headless FreeBSD box and I'm not sure what voodoo is currently required, if any. The key thing is that I want to be able to run a 3.7 image, which is problematic with the current Unix VM. So as far as I can see, my options are: 1) Install the stock 3.4 VM Ian's site and do without the improvements he's made since then - in theory I shouldn't need ephemerons etc. 2) Use the current VMMaker to generate a source tree, patch it as necessary to run the 3.7 image, copy it over to the FreeBSD box and build a VM from scratch. I've been unsuccessful when trying to do this on my Mac OS X box, but FreeBSD might be easier. My gut says #2 is the better option, but is likely to be tricky. Any hints from the VM gurus out there? Colin

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[BUG][FIX] EyedropperEventFix-nk ( [er][sm][et] fixes paints eyedropper )
by frank＠crystal-objects.com 01 Apr '04

01 Apr '04

does fix the hang in paint when using the eyedroppe.

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[BUG][FIX] EyedropperEventFix-nk
by ned＠squeakland.org 31 Mar '04

31 Mar '04

"Change Set: EyedropperEventFix-nk Date: 31 March 2004 Author: Ned Konz With the changes to the EventSensor, the eyedropper in the PaintBoxMorph would cause the system to hang. Even with the MVCSensorFixes-nk changeset loaded, the Hand position was not getting updated while the mouse button was down. This changeset fixes both problems, and makes the colors update in realtime. I'm not sure that this is what's desired, though; it could slow down response. "

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[BUG] Selecting Color Dropper in Paint Project freezes image
by Frank Caggiano 31 Mar '04

31 Mar '04

Note: this will freeze the image and force you to exit without saving (for me at least). In a 5816 image - open a paint project by dragging out from the widgets flap or clicking on the paintbrush in the Navigator flap. - select the dropper. - click either in the color selector box or anywhere else in the image. Image freezes. I'm unable to interrupt it. Works ok in 5764. Did I miss a fix? regards -- Frank Caggiano "The best education for the best caggiano(a)crystal-objects.com is the best education for all." http://www.crystal-objects.com/ Robert M. Hutchins Logo Users Ring http://www.crystal-objects.com/logo/logoring.html

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[ENH] WAHtmlRenderer new parameters
by sam＠rfc1149.net 31 Mar '04

31 Mar '04

Those changes add extra 'text:' or 'label:' arguments to existing methods of WAHtmlRenderer. I use them when I write my code in english and my user interface is in French; I need to use alternate text or labels in the WWW interface. For example, I want "Supprimer" to show up instead of "Delete" in buttons. Avi, please tell me whether those changes are OK to you. If they aren't, I'll put them in my own subclass of WAHtmlRenderer. However, they may be beneficial to others.

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[SVI] update to update: 2.0beta1.1
by Steven Swerling 31 Mar '04

31 Mar '04

Sorry about this, I made a mistake with the 2.0beta1.sar. If you have already filed it in, and are using Squeak3.7, please file in the attached changeset (just a few methods). A new SqueakMap release has been added with the change.

1 0

Re: resend > Re: Hello Squeakers
by Bill Schwab 31 Mar '04

31 Mar '04

Gary, =============================== >I forgot to mention: >the windows dream to be like the mac and the mac dream to be like the alto >:)) (hint) > >It wasn't directed at you personally Bill. This just bits and pieces I've >picked up during the last couple of years. This thread just reminded me of >it. So yes, you didn't write what I read. =============================== I wasn't ignoring you - I assumed we had finished the conversation. That is, as long as we can agree that asking for more user-friendly widgets does not necessary imply that they need to be native, running off of the server in Redmond Washington :) Bill Wilhelm K. Schwab, Ph.D. University of Florida Department of Anesthesiology PO Box 100254 Gainesville, FL 32610-0254 Email: bills(a)anest4.anest.ufl.edu Tel: (352) 846-1285 FAX: (352) 392-7029

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