From ligges at statistik.uni-dortmund.de  Wed May 14 10:26:04 2003
From: ligges at statistik.uni-dortmund.de (Uwe Ligges)
Date: Wed May 14 09:26:27 2003
Subject: [Rd] R crashes when resizing windows (PR#2992)
In-Reply-To: <c8o2cv0ofs1oq2g2d4phcelsk8e672bpre@4ax.com>
References: <200305131453.h4DErI2b000409@pubhealth.ku.dk>
	<c8o2cv0ofs1oq2g2d4phcelsk8e672bpre@4ax.com>
Message-ID: <3EC1EF8C.1000005@statistik.uni-dortmund.de>

Duncan Murdoch wrote:
> I've now committed changes to R-patched which appear to fix this
> crash, at least on my system.
> 
> The problem was as follows:
> 
> During resizing, R allocates multiple bitmaps, then deletes them all
> at the end.  If resources are tight (or if you do a lot of resizing),
> you can run out of something (not sure what) and then the bitmap
> allocation will fail.  This is supposed to give you an error message,
> but it was leading to a crash.
> 
> To make the problem worse, intermediate allocations weren't always
> being freed.
> 
> I've fixed both problems now, and am uploading a binary Windows build
> to <http://www.stats.uwo.ca/faculty/murdoch/software/r-devel>.  Please
> download and install rw1070pat.exe (22,183,871 bytes) and see if you
> can get it to crash or act badly now.
> 
> I'm heading out of town for a few days, so I'm not likely to respond
> to reports immediately, but I'll do so as soon as I can.

I cannot (re)produce a crash anymore, instead the message "Insufficient 
memory. Please close the console." appears.
Is there any reason for closing the console?

Uwe


[Rd] R crashes when resizing windows (PR#2992)
Uwe Ligges