[plt-scheme] Re: Any tips for avoiding intermittent freezing when navigating file system directories with mounted network volumes in DrScheme?

From: Todd O'Bryan (toddobryan at gmail.com)
Date: Sun Aug 24 09:18:30 EDT 2008

I don't think so, because the freeze happens after clicking the Add
teachpack to list... button, but before the file browser appears. The
rest of the system is responsive and when I look in the system
monitor, mred is marked as sleeping without using lots of CPU or

Let me know if I can provide more info that would be helpful,

On Fri, Aug 22, 2008 at 10:14 AM, Robby Findler <robby at cs.uchicago.edu> wrote:
> This is the lab with one central computer and all of the students
> running DrScheme on it, right? Adding a teachpack can be a
> computationally intensive task (since it compiles the teachpack) so it
> may be that these freezes you're seeing are just the result of
> thrashing.
> Robby
> On Thu, Aug 21, 2008 at 7:56 PM, Todd O'Bryan <toddobryan at gmail.com> wrote:
>> Just another data point. I have a Linux lab running DrScheme 4.1 and
>> several students had freeze issues when they tried to add a user
>> teachpack right after they clicked the "Add teachpack to list..."
>> button.
>> The OS kept working and they were able to kill MrEd, but DrScheme was
>> completely frozen.
>> It happened to probably 5 or 6 people in each class of 25 or so.
>> Todd
>> On Wed, Aug 20, 2008 at 1:22 AM, Benjamin L. Russell
>> <DekuDekuplex at yahoo.com> wrote:
>>> On Mon, 18 Aug 2008 14:20:27 -0500, "Grant Rettke"
>>> <grettke at acm.org> wrote:
>>>>> Does anybody have any tips on avoiding this intermittent freezing when
>>>>> navigating local file system directories on a system with mounted
>>>>> network volumes?
>>>>Just wondering, is this a general Windows issue or a DrScheme specific issue?
>>>>My machine at work has horrible, terrible hanging issues whenever I
>>>>use Explorer.
>>> Since I can navigate those same directories in Windows Explorer and
>>> other applications without any problems, but the intemittent freezing
>>> always occurs in DrScheme, this issue appears to be DrScheme-specific.
>>> -- Benjamin L. Russell
>>> _________________________________________________
>>>  For list-related administrative tasks:
>>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>> _________________________________________________
>>  For list-related administrative tasks:
>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme

Posted on the users mailing list.