[plt-scheme] new bug test results for the intermittent file explorer hanging problem previously reported

Hi,

You are not alone ;)
I have exactly the same problem on a HP laptop with Vista SP1 (french) and
whatever version of DrScheme.
On my XP SP2 or SP3 though, there is no problem.

Laurent

On Wed, Dec 9, 2009 at 05:01, Benjamin L.Russell <DekuDekuplex at yahoo.com>wrote:

> This is just a polite, but detailed, bug report reporting the results
> of trying out DrScheme v4.2.3 on a different computer than before (a
> laptop this time), with a different set of drivers installed, running
> the same version of the same OS on which the intermittent file
> explorer hanging problem had appeared before.
>
> (For those new to this issue, the "intermittent file explorer hanging
> problem" mentioned above (first reported in the thread "annoying
> hanging behavior when saving files on DrScheme version
> 3.99.0.13-svn26feb2008, english" [1] (see
> http://list.cs.brown.edu/pipermail/plt-scheme/2008-March/023922.html),
> and subsequently reported in the threads "Any tips for avoiding
> intermittent freezing when navigating file system directories with
> mounted network volumes in DrScheme?" [2] (see
> http://list.cs.brown.edu/pipermail/plt-scheme/2008-August/026608.html),
> "hint for debugging file navigator freezing bug in DrScheme 4.1.1,
> english, on Windows XP Professional, Service Pack 2" [3] (see
> http://list.cs.brown.edu/pipermail/plt-scheme/2008-October/027717.html),
> and "a possibility for the intermittent file explorer hanging problem
> in DrScheme" [4] (see
> http://list.cs.brown.edu/pipermail/plt-scheme/2009-March/031373.html))
> refers to a bug that had previously appeared when running DrScheme
> v372 and later on my desktop Wintel computer (at work) running the
> Japanese version of Windows XP Professional, Service Pack 3, in which
> the "Select a file" dialog box would periodically freeze for a few
> seconds every eight to fourteen seconds or so while navigating through
> folders in a hierarchical directory.  It had also previously appeared
> in the same dialog box when running DrScheme on another Wintel
> computer at a previous job, also running the Japanese version of the
> same OS (with Service Pack 2 then).  This bug cannot be replicated on
> the English version of the same OS, and there had been some
> controversy on this mailing list and on the comp.lang.scheme newsgroup
> about whether this bug only occurred on my computer (the opinion of
> one member of this mailing list), or whether it only occurred when
> running the Japanese version of Windows XP Professional, Service Pack
> 2 or later (my opinion).)
>
> This time, I borrowed a laptop (a different computer from my desktop
> last time) set up by my employer (the same employer as last time) for
> work use at home, but running the same OS (the Japanese version of
> Windows XP Professional, Service Pack 2 (which I immediately upgraded
> to Service Pack 3)), which, according to the "System" control panel
> applet, has the following software and hardware specifications:
>
> System:
>  Microsoft Windows XP
>  Professional
>  Version 2002
>  Service Pack 3
>
> (Hardware:)
>  Lenovo Intel(R) Core(TM)2 CPU
>    T5500 @ 1.66 GHz
>  980 MHz, 504 MB RAM
>
> This computer had no mapped network drives and no shared network
> folders, and only had a cable Internet connection.
>
> Then I downloaded and installed DrScheme, version 4.2.3, english.
>
> However, the same bug appeared after navigating through several layers
> of folders in the "Select a file" dialog box that appears when
> clicking on the "File -> Open..." menu item.
>
> As an aside, the only other software added to all three computers that
> I can remember was Adobe Reader, Microsoft Office (Japanese version)
> (Office 2003 in the case of this laptop), Cygwin, Tweak UI (a Windows
> tweaking utility) (available among the "Powertoys for Windows XP"),
> and PLT Scheme (at least one of the versions from among v371 or later)
> itself.
>
> Therefore, it seems likely that this bug occurs on a given Wintel PC
> with this set of applications installed, running the Japanese version
> of Windows XP Professional, Service Pack 2 or above, when running
> DrScheme, English, version 371 or above, but not when running the
> English version of the same OS (and not just on "my computer" as has
> been claimed before).
>
> That's the only additional information that I have to offer right now,
> only because I had the occasion to borrow a company laptop.  If I have
> the occasion to use a different computer, then I could try out
> DrScheme on that computer at that time as well.
>
> Has anybody else tried out the file explorer in DrScheme on a
> different computer also running the Japanese version of Windows XP
> Professional, Service Pack 2 or above?  I'm the only person who uses
> DrScheme in my company, and my home computer is a Macintosh G4
> PowerBook (currently inoperative due to defective RAM), not a Wintel
> machine, so I am unable to diagnose this bug on any additional
> computers at the present time.  This bug is significant because the
> intermittent difficulty in navigating through directories on all three
> machines interrupts the flow of concentration when trying to program
> in Scheme in DrScheme.
>
> -- Benjamin L. Russell
>
> [1] Russell, Benjamin L. "annoying hanging behavior when saving files
> on DrScheme version 3.99.0.13-svn26feb2008, english." Online posting.
> 28 Mar. 2008. 9 Dec. 2009.
> <http://list.cs.brown.edu/pipermail/plt-scheme/2008-March/023922.html>.
>
> [2] Russell, Benjamin L. "Any tips for avoiding intermittent freezing
> when navigating file system directories with mounted network volumes
> in DrScheme?" Online posting.  18 Aug. 2008. 9 Dec. 2009.
> <http://list.cs.brown.edu/pipermail/plt-scheme/2008-August/026608.html>.
>
> [3] Russell, Benjamin L. "hint for debugging file navigator freezing
> bug in DrScheme 4.1.1, english, on Windows XP Professional, Service
> Pack 2." Online posting.  9 Oct. 2008. 9 Dec. 2009.
> <http://list.cs.brown.edu/pipermail/plt-scheme/2008-October/027717.html>.
>
> [4] Russell, Benjamin L. "a possibility for the intermittent file
> explorer hanging problem in DrScheme." Online posting.  17 Mar. 2009.
> 9 Dec. 2009.
> <http://list.cs.brown.edu/pipermail/plt-scheme/2009-March/031373.html>.
>
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