Re: Help tracking down a Bug
- To: mathgroup at smc.vnet.net
- Subject: [mg21245] Re: [mg18955] Help tracking down a Bug
- From: king at dircon.co.uk (Nigel King)
- Date: Mon, 20 Dec 1999 02:28:05 -0500 (EST)
- References: <7o76nk$r3r$2@dragonfly.wolfram.com>
- Sender: owner-wri-mathgroup at wolfram.com
This seems to be fixed by Preferences DoubleBuffer->False see http://support.wolfram.com/Systems/Macintosh/DoubleBuffer.html Andrzej Kozlowski <andrzej at tuins.ac.jp> wrote: > I can only report that I came across this behaviour soon after I upgraded > to Mathematica 4.0. (PowerBook G3 233 mhghz, 160 Meg RAM, MacOS 8.6) and a > few times after that. I intended to report it but could not find a way to > reproduce it (and still can't). I had the impression that the bug tended > to happen after clicking on the zoom box in a notebook window but of > course only under some very special circumstances, which I could not > isolate. Curiously I have not experienced it for at least a week now. > -- Andrzej Kozlowski Toyama International University JAPAN > http://sigma.tuins.ac.jp http://eri2.tuins.ac.jp > > > ---------- >From: dreiss at --NOSPAMscientificarts.com (David Reiss) >To: > mathgroup at smc.vnet.net >Subject: [mg21245] [mg18955] Help tracking down a Bug >Date: > Fri, Jul 30, 1999, 6:33 AM > > > > [Moderator: this doesn't seem to have made it oo to the > > comp.soft-sys.math.mathematic after having posted it several days ago so > > I am reposting it. Thanks-- David] > > > > > > I have run into the following bug quite often with Mathematica V4 on the > > Mac. I am having a hard time finding a deterministically reproducible > > way of making it happen. I have reported it to WRI bugs, but in order to > > help them reproduce it and then diagnose and fix it I need to be able to > > make it happen. There is already a problem report number assigned to > > this bug at WRI, so if you have a reproducible example please send it on > > to me and I will report it under the same problem number. > > > > > > What happens is this: When running Mathemaica with one or several > > windows open (and perhaps with an evaluation running in one window) if I > > click from one window to another (perhaps a window in another > > application) I will get an alert dialogue box saying that there was not > > enough memory to display a cell in the notebook, that the cell has been > > closed and can be opened when memory has been freed by closing other > > windows. The dialogue box has an "OK" checkbox. When the checkbox is > > clicked on the dialogue box is redisplayed, ad infinitum. > > > > However, in all cases that this has occured I clearly do have enough > > memory assigned to both the front end and the kernel. I have run into > > this problem a number of times (at least once every a day) and on > > occasion it has caused the notebook in question to be severely > > corrupted. When Mathematica is quit and restarted the notebook in > > question will open correctly without the dialogue box being generated > > (if of course the notebook was not corrupted in the prior quitting > > process). > > > > My question is whether anyone else has run across this behavior and if > > so are you able to reproduce it at will? > > > > This is quite a serious bug -- but it is even not clear if it is a Mac > > OS or a Mathematica bug, though I do suspect that, if a Mathematica bug, > > it is a FrontEnd bug. > > > > Just for the record I am using V 4.0.0 on a 333 MHZ powerbook G3 with > > 192 Meg of physical ram with VM turned off and using OS 8.6. The > > FrontEnd has 25 Meg and the Kernel has between 50 and 100 Meg assigned > > to it (depending on the calculation that I am performing). The problem > > has occured with many different configurations of FronteEnd and Kernel > > memory assignments and in all cases when the problem occurs plenty of > > the FrontEnd memory and the Kernel memopry is still avaliable. > > > > --David > > > > -- > > > > > > )------------------------------------( Scientific Arts: ( > > )Creative Services and Consultation ( for the Applied and Pure Sciences > > )( ( --------------------------------------- > > )http://www.scientificarts.com > > ) > > ) David Reiss Email: dreiss at !Spamscientificarts.com > > )--------------------------------------- > > > > -- Nigel King - Radio Systems Consultant, KingComm Ltd email: mailto://king at dircon.co.uk web: http://www.king.dircon.co.uk/ Office: +44 1364 642454 Mobile: +44 7713 080166 Home: +44 1364 642265 Fax: +44 1364 642454